Ducane Hvac 2Hp13 14 Users Manual

2HP1314 to the manual 71ec1283-6f2f-448c-916c-3a18cb6b9cde

2015-02-04

: Ducane-Hvac Ducane-Hvac-2Hp13-14-Users-Manual-515023 ducane-hvac-2hp13-14-users-manual-515023 ducane-hvac pdf

Open the PDF directly: View PDF .
Page Count: 14

Download
Open PDF In Browser	View PDF

2HP13/14 & 4HP13 SPLIT SYSTEM HEAT PUMP
INSTALLATION / START-UP INSTRUCTIONS
/HOMEOWNERS INFORMATION MANUAL
These instructions m ust be read and understood com pletely before attem pting installation.

TABLE OF CONTENTS
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit Location & Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rooftop Installation & Recommendations . . . . . . . . . . . . . . . . . . . .

Start-Up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Indoor Coil Piston Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjusting charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Refrigeration Line Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Defrost System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation of Line Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Single Phase Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Leak Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Phase Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Evacuating & Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Homeowner's Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Opening Service Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

These units are designed for use in residential and light commercial type buildings. Heat Pumps may only be
installed with indoor combinations listed in the Air-Conditioning and Refrigeration Institute (ARI) Directory of
Certified Products.
Inspect the unit for any damage before installation. If damage is found, notify the transportation company
immediately and file a concealed damage claim.

Installation or repairs made by unqualified persons can result in hazards to you and others. Installation
MUST conform with local building codes and with the National Electrical Code NFPA 70/ANSI C1-1993 or
current edition and Canadian Electrical Code Part 1 CSA C22.1.

Im proper installation, adjustm ent, alteration, service or m aintenance will void the warranty. The qualified installer or
agency m ust use factory-authorized kits or accessories when added to this products. Refer to the individual instructions
included with the specific accessory kit.

NOTE
These instructions are intended as a general guide and do not supersede national, state or local codes in any way.
These instructions must be left with the property owner.

506162-02

Issue 0847

Page 1 of 14

UNIT LOCATION & INSTALLATION

NOTE TO INSTALLING DEALER
These instructions and warranty are to be given
to the owner or prominently displayed near the
indoor air handler unit.

NOTE: In som e cases noise in the living area has been
traced to gas pulsations from im proper installation
of equipm ent.
1. Locate unit away form windows, patios, decks, etc.
where unit operation sounds m ay disturb custom er.

This product and/or the indoor unit that is m atched
with m ay contain fiberglass wool.

2. Ensure that vapor and liquid tube diam eters are
appropriate to capacity of unit.

Disturbing the insulation during installation,
m aintenance, or repair will expose you to fiberglass
wool dust. (Fiberglass wool is known to the State of
California to cause cancer.)

3. Run refrigerant tubes as directly as possible by
avoiding unnecessary turns and bends.
4. Leave som e slack between structure and unit to
absorb vibration.

Fiberglass wool m ay also cause respiratory, skin,
and eye irritation.

5. W hen passing refrigerant tubes through the wall, seal
opening with RTV or other silicon-based caulk.

To reduce exposure to this substance or for further
inform ation, consult m aterial safety data sheets
available from your distributor.

6. Avoid direct tubing contact with water pipes, duct work,
floor joists, wall studs, floors, walls, and any structure.
7. Do not suspend refrigerant tubing from joists and studs
with a rigid wire or strap which com es in direct contact
with tubing.
8. Ensure that tubing insulation is pliable and com pletely
surrounds vapor tube.

Before installing, m odifying, or servicing system ,
m ain electrical disconnect switch m ust be in the OFF
position. There m ay be m ore than 1 disconnect
switch. Lock out and tag switch with a suitable
warning label. Electrical shock can cause personal
injury or death.

W hen outdoor unit is connected to factory-approved
indoor unit, outdoor unit contains system refrigerant charge
for operation with indoor unit of the sam e size when
connected by 15 ft. of field-supplied tubing. For proper unit
operation, check refrigerant charge using charging
inform ation located on control box cover.
IM PORTANT:

Safety Precautions
Follow all safety codes. W ear safety glasses and work
gloves. Use quenching cloth for brazing operations. Have
fire extinguisher available.
Read these instructions
thoroughly and follow all warning or cautions attached to
the unit.
1.

Always wear proper personal protection equipm ent.

Always disconnect electrical power before rem oving
panel or servicing equipm ent.

Keep hands and clothing away from m oving parts.

Handle refrigerant with caution, refer to proper MSDS
from refrigerant supplier.

Use care when lifting, avoid contact with sharp edges.

506162-02

Maxim um liquid-line size is 3/8 in. O.D. for
all residential applications including long
lines.

Outdoor Section
Zoning ordinances m ay govern the m inim um distance
the condensing unit can be installed from the property line.

Install on a Solid, Level M ounting Pad
The outdoor section is to be installed on a solid
foundation. This foundation should extend a m inim um of
2" (inches) beyond the sides of the outdoor section. To
reduce the possibility of noise transm ission, the foundation
slab should NOT be in contact with or be an integral part of
the building foundation.

Issue 0847

Page 2 of 14

Elevate Unit

DO LOCATE THE UNIT:
! W ith proper clearances on sides and top of unit
! On a solid, level foundation or pad
! To m inim ize refrigerant line lengths

Accum ulation of water and ice in base pan m ay
cause equipm ent dam age.
Elevate unit per local clim ate and code requirem ents to
provide clearance above estim ated snowfall level and
ensure adequate drainage of unit. Use snow stand in
areas where prolonged freezing tem peratures are
encountered.
If conditions or local codes require the unit be attached
to pad or m ounting fram e, tie down bolts should be used
and fastened through knockouts provided in unit base pan.

Roof Top Installations
Mount on level platform or fram e 6 inches above roof
surface. Place unit above a load-bearing wall and isolate
unit and tubing set from structure. Arrange supporting
m em bers to adequately support unit and m inim ize
transm ission of vibration to building. Ensure roof structure
and anchoring m ethod is adequate for location. Consult
local codes governing rooftop applications.
Roof m ounted units exposed to winds above 5 m ph
m ay require wind baffles to achieve adequate defrost. A
sheet m etal baffle should be spaced 6-1/2" from the fall of
the coil. The height should cover the face of the coil and
the length should be 6" from the access panel.
NOTE: Unit m ust be level to within ± 2/ (± 3/8 in./ft) per
com pressor m anufacturer specifications.

Clearance Requirements
W hen installing, allow sufficient space for airflow
clearance, wiring, refrigerant piping, and service. For
proper airflow, quiet operation and m axim um efficiency.
Position so water, snow, or ice from roof or eaves cannot
fall directly on unit.

DO NOT LOCATE THE UNIT:
! On brick, concrete blocks or unstable surfaces
! Near clothes dryer exhaust vents
! Near sleeping area or near windows
! Under eaves where water, snow or ice can fall
directly on the unit
! with clearance less than 2 ft. from a second unit
! with clearance less than 4 ft. on top of unit

Operating Ambient
The m inim um outdoor operating am bient in cooling
m ode is 55/F, and the m axim um outdoor operating
am bient in cooling m ode is 125/F. The m axim um outdoor
operating am bient in heating m ode is 66/F.

Indoor Coil Piston Selection
The outdoor heat pum p section m ust be m atched to a
factory approved indoor section. It is m andatory that the
installer ensure that the correct piston is installed in the
indoor section. If necessary rem ove the existing piston and
replace it with the correct piston
See
indoor unit
instructions for details of changing the piston. Contact
your distributor for accessory piston kits.
Indoor (Cooling) Piston Size
13 SEER Heat Pum p Indoor Piston Sizes
Unit Size
2HP13
4HP13
18
.055
.051
24
.063
.055
30
.068
.059
36
.076
.070
42
.076
.070
48
.082
.082
60
.098
.082
The evaporator coil may use an expansion valve (TXV) in place of piston.

NOTE: If a TXV is installed a hard start kit is required on
all m odels with reciprocating com pressors. See spec
sheet for proper kit selection.
14 SEER Heat Pump M odels
All 14 SEER heat pum p m odels are only rated with TXV on
the indoor side.
14 SEER Heat Pump Indoor TXV
Unit Size
TXV Kit
18 thru 36
TXV3
42 thru 48
TXV5

Refrigeration Line Sets
Use only refrigerant grade copper tubes. Split
system s m ay be installed with up to 50 feet of line set (no
m ore than 20 feet vertical) without special consideration
(see long line set guidelines).
506162-02

Issue 0847

Page 3 of 14

Recommended Liquid & Vapor Tube Diameters (In.)
U nit
LIQ U ID
V AP O R
S ize
C onnection D ia. T ube D ia. C onnection D ia. T ube D ia.
018
3/8"
3/8"
3/4
3/4
024
3/8"
3/8"
3/4
3/4
030
3/8"
3/8"
3/4
3/4
036
3/8"
3/8"
3/4
3/4
042
3/8"
3/8"
7/8
7/8
048
3/8"
3/8"
7/8
7/8
060
3/8"
3/8"
7/8
*1-1/8
*FIE LD S U P P LIE D 7/8 X 1 -1 /8 C O N N E C T O R R E Q U IR E D O N B O T H
E N D S O F V A P O R T U B IN G .

It is im portant that no tubing be cut or seals broken
until you are ready to actually m ake connections to the
evaporator and to the condenser section. DO NOT rem ove
rubber plugs or copper caps from the tube ends until ready
to m ake connections at evaporator and condenser. Under
no circum stances leave the lines open to the atm osphere
for any period of tim e, if so unit requires additional
evacuation to rem ove m oisture.
Be extra careful with sharp bends. Tubing can "kink"
very easily, and if this occurs, the entire tube length will
have to be replaced. Extra care at this tim e will elim inate
future service problem s.
It is recom m ended that vertical suction risers not be
up-sized. Proper oil return to the com pressor should be
m aintained with suction gas velocity.

Installation of Line Sets
DO NOT fasten liquid or suction lines in direct contact
with the floor or ceiling joist.
Use an insulated or
suspension type of hanger. Keep both lines separate, and
always insulate the suction line. Long liquid line runs (30
feet or m ore) in an attic will require insulation. Route
refrigeration line sets to m inim ize length.
DO NOT let refrigerant lines com e in direct contact with
foundation. W hen running refrigerant lines through the
foundation or wall, openings should allow for a sound and
vibration absorbing m aterial to be placed or installed
between tubing and foundation.
Any gap between
foundation or wall and refrigerant lines should be filled with
a vibration dam ping m aterial.

The following is the recom m ended m ethod for m aking
braze connections at the refrigerant line connections:
1. Debur and clean refrigerant tube end with em ery
cloth or steel brush.
2. Insert tubing into swage fitting connection.
3. W rap wet rags over valves to protect from heat.
4. Allow dry nitrogen to flow through refrigerant lines.
5. Braze joint, using a suitable brazing alloy for copper
to copper joints.
6. Quench the joint and tubing with water using a wet
rag. Leave rag on fitting body and re-wet with water
to help cool area.

Leak Check
Refrigeration lines and indoor coil m ust be checked for
leaks after brazing and before evacuation.
The
recom m ended procedure is to apply a trace am ount of
vapor refrigerant (approxim ately two ounces or 3 psig) into
the line set and indoor coil, then pressurize with 150 psig
of dry nitrogen. Use a refrigerant leak detector to check all
joints. The system m ay also be checked for leaks using a
halide torch or pressure and soapy solution.
After
com pletion of leak check, relieve all pressure from system
before evacuation.

Evacuating And Charging Instructions
NOTE: Intentional release of CFC or HCFC refrigerant
to the atmosphere violates Federal Law . It may
also violate State and Local Codes. Check all
Federal, State and Local Codes before
proceeding.
These outdoor units are pre-charged at the factory with
adequate refrigerant to handle 15 feet of refrigerant tubing.
NOTE: DO NOT use any portion of the charge for purging
or leak testing. It is m andatory that a thorough
evacuation of the refrigeration lines and indoor coil
be perform ed.
The liquid line and suction line service valves have been
closed after final testing at the factory. DO NOT disturb
these valves until the lines have been leak checked and
evacuated or the charge in the unit may be lost.

If ANY refrigerant tubing is buried, provide a 6 inch
vertical rise at service valve. Refrigerant tubing
lengths up to 36 inches m ay be buried without further
special consideration. For lengths above 36 inches,
consult your local distributor.

Before m aking braze connections, be sure all joints are
clean. Before heat is applied for brazing, dry nitrogen
should be flowing through the tubing to prevent oxidation
and scale form ation on the inside of the tubing.

506162-02

Connect the vacuum pum p to the center hose of the
m anifold gauge set, the low-pressure m anifold
gauge to the vapor service valve and the high
pressure m anifold gauge to the liquid service valve.

NOTE: Unnecessary switching of hoses can be avoided
and com plete evacuation of all lines can be
achieved by also connecting a branch hose from
the m anifold gauge center port to a cylinder of the
proper refrigerant. Provide a separate shut-off
valve to vacuum pum p to avoid contam inating
vacuum pum p oil with refrigerant.

Issue 0847

Page 4 of 14

The valves should be kept in the "front seated"
(closed) position. This will allow evacuation of the
refrigeration lines and the indoor coil, without
disturbing the factory charge in the outdoor unit.
Follow
the
vacuum
pum p
m anufacturer's
instructions. Allow the pum p to operate until the
system has been evacuated down to 300 m icrons.
Allow the pum p to continue running for an additional
15 m inutes. Turn OFF the pum p and leave the
connections secured to the two (2) service valves.
After 5 m inutes, if the system fails to hold 500
m icrons or less, check all connections for tight fit and
repeat the evacuation procedure.
Isolate the vacuum pum p from the system by closing
the shutoff valves on the gauge-set. Disconnect the
vacuum pum p.

Opening Service Valves
After evacuation of the connecting lines, rem ove the
service valve cap and fully insert the hex wrench into the
stem . A back-up wrench is required on the valve body to
open the valve stem . Back-out counterclockwise until the
valve stem just touches the coined edge.

Provide line voltage power supply to unit from a properly
sized disconnect switch. Route power and ground wires
from disconnect switch to unit. Line voltage connections
are m ade at the line side of the contactor in the control box
of the outdoor unit. Follow the appropriate wiring diagram
attached to inside of the access panel.
Proper circuit protection recom m endations are indicated
on Unit Rating Plate. Tim e delay fuses are required to
prevent blowing due to starting current (the current in rush
when equipm ent starts is referred to as the Locked Rotor
Am ps or (LRA). A fuse of this kind properly sized will give
m axim um equipm ent protection.
Use copper wire only between disconnect switch and
unit.
Rem ove access panel to gain access to unit wiring.
Extend wires from disconnect through power wiring hole
provided and into unit control box. Flexible conduit is
required for the swing out control box feature.

The unit cabinet m ust have an uninterrupted or
unbroken ground to m inim ize personal injury if an
electrical fault should occur. The ground m ay consist
of electrical wire or m etal conduit when installed in
accordance with existing electrical codes. Failure to
follow this warning can result in an electric shock,
fire, or death.

W rench sizes:
3/8 service valve: 3/16" Hex wrench
3/4 service valve: 5/16" Hex wrench
7/8 service valve: 5/16" Hex wrench
Replace service valve cap and torque to 8-11 ft-lb on 3/8"
valves; 12-15 ft-lb on 3/4" valves; 15-20 ft-lb on 7/8" valves.
Use backup wrench on valve body when torqueing valve
cap.

Connect ground wire to ground connection in control box
for safety. Connect power wiring to contactor.

Install Electrical Accessories
Refer to the instructions packaged with the accessories.

High voltage power connections to 3-phase m odels is
m ade to "Pig Tail" leads with field supplied splice
connectors.

Control W iring
The control voltage is 24 Vac. NEC Class I insulated 18
AW G is required for control wiring. For lengths longer than
150 feet, contact your local distributor for technical service.

Electrical Connections

....
ELECTRICAL SHOCK HAZARD!
Turn OFF electric power before connecting unit,
performing any maintenance or removing
panels or doors. More than one disconnect
may be required to turn off all power.

Ensure the room therm ostat is properly installed per
instructions shipped with room therm ostat. Generally the
therm ostat should not be exposed to sunlight, drafts or
vibration and should not be m ounted on exterior walls.
Low voltage control wire connections should be m ade to
the screw connection term inal board m ounted on the
defrost control as shown. All low voltage control wiring
m ust be separated from incom ing power leads.

FAILURE TO DO SO COULD RESULT IN BODILY
INJURY OR DEATH.
Be sure to check all local codes to determ ine that the unit
is installed accordance with local requirem ents. Consult
the National Electric Code for wire size requirem ents. Use
60/ C wire or higher. Always provide ground connections
to the outdoor unit. Power supply m ust agree with rating
on unit nam eplate.

506162-02

Issue 0847

Page 5 of 14

Adjusting Charge
Factory charge is shown on the rating label located on
the access panel.
All split system heat pumps are factory charged for
15 feet of connecting line set and m atched indoor fan
coil. Nam eplate refrigerant charge should initially be
adjusted for line set lengths other than 15 feet. For line
sets shorter than 15 feet in length, rem ove charge. For line
sets longer than 15 feet, add charge. Oil charge is
sufficient for all line lengths.
Refrigeration Charge Adjustment
Liquid Line Diam eter
Oz. Per Linear Foot *
3/8"
.6
* Factory charge for series is for 15' (ft.) line sets and matched fan
coil.

Heat Pump Application with Electric Heat
Emergency Heat (heating heat pump)
If selector switch on therm ostat is set to the em ergency
heat position, the heat pum p will be locked out of the
heating circuit, and all heating will be electric heat ( if
applicable). A jum per should be placed between W and E
on the therm ostat so that the electric heat control will
transfer to the first stage heat on the therm ostat. This will
allow the indoor blower to cycle on and off with the electric
heat when the fan switch is in the AUTO position.
* Add Jum per on Subbase (Optional)

Start-Up Procedure
1. Check to ensure:
! Service valve and gage port caps are installed and
tightened.
! Voltage supply at unit agrees with nam eplate
rating.
! Field wiring connections are tight and factory
wiring has not been disturbed and are tight.
! Indoor fan m otor is on correct speed tap.
2. Set therm ostat selector switch to OFF and fan control
switch to "Auto" is so equipped.
3. Close electrical disconnects to energize system .
4. Set room therm ostat at desired tem perature. Be sure
set point is below indoor am bient tem perature.
5. Set the system switch of the therm ostat on COOL (or
HEAT if applicable) and fan switch for continuous
operation (ON) or AUTO, as desired. There will be a
5 m inute short cycle com pressor delay on startup.
Operate unit for 15-20 m inutes, then check the system
refrigerant charge.
6. Adjust refrigerant charge per "Adjusting Charge"
section.

506162-02

Before final adjustm ent is m ade to the refrigerant charge,
it is im perative that proper indoor airflow be established.
Airflow will be higher across a dry coil versus a wet coil.
Blower charts are calculated with a dry or wet coil basis.
Recom m ended airflow is 350-450 CFM per ton (12,000
Btuh) through a w et coil. Refer to indoor unit instructions
for m ethods of determ ining air flow and blower
perform ance.

Cooling Cycle Charge Adjustment
The optimum method for checking the charge is by
w eight. How ever the follow ing methods may be used
to confirm the proper charge:
Units with Indoor Pistons
Units installed with indoor pistons require charging with
the superheat m ethod.
The following procedure is valid when indoor airflow is
within ± 20% of its rated CFM.

Issue 0847

Operate unit a m inim um of 10 m inutes before
checking charge.
2. Measure suction pressure by attaching a gage to
suction valve service port. Do not use com pressor
suction port. Determ ine saturation tem p from T/P
chart.
3. Measure suction tem perature by attaching an
accurate therm istor type or electronic therm om eter
to suction line at service valve.
4. Calculate superheat (m easured tem p. — saturation
tem p.).
5. Measure outdoor air dry-bulb tem perature with
therm om eter.
6. Measure indoor air (entering indoor coil) wet-bulb
tem perature with a sling psychrom eter.
7. Com pare superheat reading at service valve with the
chart located on control box cover.
8. If unit has a higher suction line tem perature than
charted tem perature, add refrigerant until charted
tem perature is reached.
9. If unit has a lower suction line tem perature than
charted tem perature, reclaim refrigerant until charted
tem perature is reached.
Page 6 of 14

10. Rem ove charge if superheat is low and add charge
if superheat is high.

The outdoor unit and indoor blower cycle on dem and
from the room therm ostat. W hen the therm ostat blower
switch is in the ON position, the indoor blower operates
continuously.

R equired Subcooling
(± I / F)
M odel

2H P 13

2H P 14

4H P 13

Filter Drier
The outdoor unit is equipped with a bi-flow filter drier. If
replacem ent is necessary, order new dryer according to the
service parts m anual.

NOTE: If a TXV is installed on indoor unit, a hard start kit
is required on all m odels with reciprocating com pressors.
Refer to the specification sheet for details. Hard start kits
are also recom m ended for areas with utility power lower
than 208 Vac.
Units w ith Indoor TXV
Units installed with TXV on indoor side, require charging
with the subcooling m ethod.
1.
2.

4.
5.

Operate unit a m inim um of 10 m inutes before
checking charge.
M easure liquid service valve pressure by attaching
an accurate gage to service port.
Determ ine
saturation tem p. from T/P chart.
Measure liquid line tem perature by attaching an
accurate therm istor type or electronic therm om eter
to liquid line near outdoor coil.
Calculate subcooling (saturation tem p.— m easured
tem p.).
Find the point where required subcooling
tem perature intersects measured liquid service valve
pressure.
Add refrigerant if subcooling is lower than table
below. Recover refrigerant if subcooling is high.

Heating Check Chart Procedure
To check system operation during heating cycle, refer to
the Heating Check Chart located on back of control box
cover. This chart indicates whether a correct relationship
exists between system operating pressure and air
tem perature entering indoor and outdoor units. If pressure
and tem perature do not m atch on chart, system refrigerant
charge m ay not be correct. Do not use chart to adjust
refrigerant charge.
Charge m ust be rechecked again during the cooling
season.

Cold W eather Application
A cold weather accessory kit m ay be required for heat
pum ps operating at am bient conditions below 25/ F.
Supplem ental heat should be provided for these conditions
due to the expected perform ance degeneration.

506162-02

SYSTEM OPERATION

Emergency Heat Function (Room Thermostat)
An em ergency heat function is designed into som e room
therm ostats. This feature is applicable when isolation of
outdoor unit is required or when auxiliary electric heat is
staged by outdoor therm ostats. W hen the room therm ostat
is placed in the em ergency heat position, the outdoor unit
control circuit is isolated from power and field-provided
relays bypass the outdoor therm ostats.
An am ber
indicating light sim ultaneously com es on to rem ind the
hom eowner that he is operating in the em ergency heat
m ode.
Em ergency heat is usually used during an outdoor unit
shutdown, but it should also be used following a power
outage. If power has been off for over an hour and the
outdoor tem perature is below 50/F (10/C). System should
be left in the em ergency heat m ode at least six hours to
allow the crankcase heater sufficient tim e to prevent
com pressor slugging. This applies only to system s with
crank case heaters.

Defrost System
The defrost system includes two (2) com ponents:
defrost therm ostat and a defrost control.

Defrost Thermostat
The defrost therm ostat is located on the outdoor coil of
m ost m odels and on the liquid line between the
check/expansion valve and the distributor on R-4110A TXV
equipped m odels. W hen defrost therm ostat senses 29/F
(42/ on R-410A TXV’s) or cooler, the therm ostat contacts
close and send a signal to the defrost control board to start
the defrost tim ing. It also term inates defrost when the
liquid line warm s up to 60/F.

Defrost Control
The defrost control board includes the com bined
functions of a tim e/tem perature defrost control, defrost
relay, diagnostic LEDs and term inal strip for field wiring
connections.
The control provides autom atic switching from norm al
heating operation to defrost m ode and back. During
com pressor cycle, the control accum ulates com pressor
run tim es at 30-, 60-, or 90-m inute field-adjustable

Issue 0847

Page 7 of 14

intervals. If the defrost therm ostat is closed when the
selected com pressor run tim e interval ends (call for
defrost), the defrost relay is energized and defrost begins.
The factory setting is 60 m inutes. However, if frost

defrost m ode when the com pressor delay jum per is
rem oved.
NOTE: The 30 second "off" cycle is not functional when
jum pering the TEST pins.

Time Delay
The tim ed-off delay is 5 m inutes long. The delay help to
protect the com pressor from short-cycling in case the
power to the unit is interrupted or a pressure switch opens.
The delay is bypassed by placing the tim er select jum per
across the TEST pins for 0.5 seconds.

Pressure Sw itch Circuit
The defrost control incorporates 2 pressure switch
circuits. The optional high pressure switch connects to the
boards HI PS term inals. The low pressure switch is factory
installed.

accum ulation is easily cleared, the optim um efficiency
setting is 90 m inutes.
Outdoor Unit Defrost Control Board

Defrost Control Timing Pins
Each tim ing pin selection provides a different
accum ulated com pressor run tim e period for one defrost
cycle. This tim e period m ust occur before a defrost cycle
is initiated. The defrost interval can be adjusted to 30
(/T1), 60 (T2), or 90 (T3) m inutes. The defrost tim ing
jum per is factory-installed to provided a 90-m inute defrost
interval. If the tim ing selector jum per is not in place the
control defaults to a 90-m inute defrost interval. The
m axim um defrost period is 14 m inutes and cannot be
adjusted.
A TEST option is provided for troubleshooting. The
TEST mode may be started any time the unit is in the
heating mode and the defrost thermostat is closed or
jumpered. If the jum per is in the TEST position at powerup, the control will ignore the test pins. W hen the jum per
is placed across the TEST pins for 2 seconds, the control
will enter the defrost m ode. If the jum per is rem oved
before an additional 5 second period has elapsed ( 7
seconds total), the unit will rem ain in defrost m ode until the
defrost therm ostat opens or 14 m inutes have passed. If
the jum per is not rem oved until after the additional 5
second period has elapsed, the defrost will term inate and
the test option will not function again until the jum per is
rem oved and re-applied.
Com pressor Delay
The defrost board has a field-selectable function to
reduce occasional sounds that m ay occur while the unit is
cycling in and out of the defrost m ode. T he com pressor
will be cycled "off" for 30 seconds going in and out of the
506162-02

During a single dem and cycle, the defrost control will lock
out the unit after the fifth tim e that the circuit is interrupted
by any pressure switch wired to the control board. In
addition, the diagnostic LEDs will indicate a locked-out
pressure switch after the fifth occurrence of an open
pressure switch. The unit will rem ain locked out until
power to the board is interrupted, then re-established or
until the jum per is applied to the T EST pins for 0.5
seconds.
NOTE: The defrost control board ignores input from the
low-pressure switch term inals as follows:
! During the TEST m ode,
! During the defrost cycle,
! During the 90 second start-up period,
! and for the first 90 seconds each tim e the reversing
valve switches heat/cool m odes. If the TEST pins
are jumpered and the 5 minute delay is being bypassed, the LO PS terminal signal is not ignored
during the 90 second start-up period.

Diagnostic LEDS
The defrost board uses 2 LEDs for diagnostics. The
LEDs flash a specific sequence according to the condition.
Defrost Control board Diagnostic LED
Mode
No power to control
Normal operation/
power to control
Anti-short cycle
lockout
Low pressure switch
fault (Optional)
Low pressure switch
lockout (Optional)
High pressure switch
fault (Optional)
High pressure Switch
lockout (Optional)

Issue 0847

Green LED (DS2)
OFF

Red LED (DS1)
OFF

Simultaneous Slow FLASH
Alternating Slow FLASH
OFF

Slow FLASH

OFF

Slow FLASH

OFF

Page 8 of 14

H/P SINGLE PHASE WIRING DIAGRAM

506162-02

Issue 0847

Page 9 of 14

H/P 3 PHASE WIRING DIAGRAM

506162-02

Issue 0847

Page 10 of 14

Homeowner's Information
inform ation below is typical for m ost therm ostats. Ask your
dealer for specific inform ation regarding the m odel of
therm ostat installed.
ELECTRICAL SHOCK HAZARD!
Turn OFF electric power to unit before perform ing
any m aintenance or rem oving panels or doors.
FAILURE TO DO SO COULD RESULT IN BODILY
INJURY OR DEATH.

Heat Pump Operation
Your new heat pum p has several characteristics that you
should be aware of:
! Heat pum ps satisfy heating dem and by delivering
large am ounts of warm air into the living space. This
is quite different from gas-or oil-fired furnaces or an
electric furnace which deliver lower volum es of
considerably hotter air to heat the space.
! Do Not be alarm ed if you notice frost on the outdoor
coil in the winter m onths. Frost develops on the
outdoor coil during the heating cycle when
tem peratures are below 45/F. An electronic control
activates a defrost cycle lasting 5 to 15 m inutes at
preset intervals to clear the outdoor coil of the frost.
! During the defrost cycle, you m ay notice steam rising
from the outdoor unit. This is a norm al occurrence.
The therm ostat m ay engage auxiliary heat during the
defrost cycle to satisfy a heating dem and; however.,
the unit will run to norm al operation at the conclusion
of the defrost cycle.

In case of extended pow er outage...
If the outdoor tem perature is below 50/F and power to
your outdoor unit has been interrupted for 6 hours or
longer, observe the following when restoring power to your
heat pum p system .
! Set the room therm ostat selector to the "Em ergency
Heat" setting to obtain tem porary heat for a m inim um
of 6 hours. This will allow system refrigerant
pressures and tem peratures enough tim e to return
to a stabilized condition.
! In Em ergency Heat m ode, all heating dem and is
satisfied by auxiliary heat; heat pum p operation is
locked out. After a 6 hour "warm -up" period, the
therm ostat can then be switched to the "Heat" setting
and norm al heat pum p operation m y resum e.
! Heat pum ps (in the cooling m ode) rem ove hum idity
from your hom e. Depending on the am ount of
m oisture in the air inside your hom e, water will trickle
from the condensate drain of the cooling coil.

Thermostat Operation
The wall-m ounted therm ostat controls your air
conditioner.
The therm ostat is available in various
configurations from different m anufacturers. The
506162-02

Temperature Setting Levers
Most heat pum p therm ostats have 2 tem perature
selector levers: one for heating and one for cooling. Set
the levers or dials to the desired tem perature set points for
both heating and cooling. Avoid frequent tem perature
adjustm ent; turning the unit off and back on before
pressures equalize puts stress on the unit com pressor.
On heat pum p system s, increasing your therm ostat
setting by m ore than 2 degrees m ay cause supplem ental
heaters to turn on, reducing potential energy savings.

Fan Sw itch
In AUTO or INT (interm ittent ) m ode, the blower operates
only when the therm ostat calls for heating or cooling. This
m ode is generally preferred when hum idity control is a
priority. The ON or CONT m ode provides continuous
indoor blower operation, regardless of whether the
com pressor or auxiliary heat are operating. This m ode is
required when constant air circulation or filtering is desired.

System Sw itch
Set the system switch for heating, cooling or auto
operation. The auto m ode allows the heat pum p to
autom atically switch from heating m ode to cooling m ode to
m aintain predeterm ined com fort settings. Many heat pum p
therm ostats are also equipped with an em ergency heat
m ode which locks out heat pum p operation and provides
tem porary heat supplied by the auxiliary heat.

Indicating Light
Most heat pum p therm ostats have an am ber light which
indicates when the heat pum p is operating in the
em ergency heat m ode.

Temperature Indicator
The tem perature indicator displays the actual room
tem perature.

Fan Control
For fan control your therm ostat m ay have a Fan
Selection Switch that allows you to run the fan continuously
or cycle it autom atically with the heating or cooling system .
Switch the lever to ON for continuous operation and to
AUTO for autom atic cycling.
For m axim um com fort satisfaction and continual air
cleaning/filtering, constant fan operation is recom m ended.

Issue 0847

Page 11 of 14

On m odels without a fan Selection Switch, the fan will
cycle with the outdoor unit.

Periodically, debris should be brushed from the condenser
coils.

Important System Information
! Your system should never be operated without a
clean air filter properly installed.
! Return air and supply air registers should be free
from restrictions or obstructions to allow full flow of
air.
Regular M aintenance Requirements
Your system should be regularly inspected by a qualified
service technician. These regular visits m ay include
(am ong other things) checks for:
! Motor operation
! Ductwork air leaks
! Coil & drainpan cleanliness (indoor & outdoor)
! Electrical com ponent operation & wiring check
! Proper refrigerant level & refrigerant leaks
! Proper airflow
! Drainage of condensate
! Air filter(s) perform ance
! Blower wheel alignm ent, balance & cleaning
! Prim ary & secondary drain line cleanliness
! Proper defrost operation (heat pum ps)
There is som e routine m aintenance procedures you can
do to help keep your system operating at peak
perform ance between visits.
Air Filter
Inspect air filters at least m onthly and replace or clean as
required. Disposable filters should be replaced. W ashable
filters m ay be cleaned by soaking in m ild detergent and
rinsing with cold water. Replace filters with the arrows
pointing in the direction of airflow. Dirty filters are the m ost
com m on cause of poor heating / cooling perform ance and
com pressor failures.
Indoor Coil
If the system has been operated with a clean filter in
place, it should require m inim al cleaning. Use a vacuum
cleaner and soft brush attachm ent to rem ove any
accum ulation of dust from the top and underside of the
finned coil surface. However, perform this m aintenance
only when the coil is com pletely dry.

.....
SHARP OBJECT HAZARD!
Condenser coils have sharp edges. W ear adequate
body protection on body extrem ities (e.g. gloves).
FAILURE TO FOLLOW THIS W ARNING COULD
RESULT IN BODILY INJURY.
Use a soft bristle brush with light pressure only. DO NOT
dam age or bend condenser coil fins. Dam aged or bent fins
m ay affect unit operation.
Painted Surfaces
For m axim um protection of the unit's finish, a good grade
of autom obile wax should be applied every year. In
geographical areas where water has a high concentration
of m inerals (calcium , iron, sulfur, etc.). It is recom m ended
that lawn sprinklers not be allowed to spray the unit. In
such applications, the sprinklers should be directed away
from the unit. Failure to follow this precaution m ay result
in prem ature deterioration of the unit finish and m etal
com ponents.
In sea coast areas, special m aintenance is required due
to the corrosive atm osphere provided by the high salt
concentration in ocean m ists and the air. Periodic washing
of all exposed surfaces and coil will add additional life to
your unit. Please consult your installing dealer for proper
procedures in your geographic area.

IF YOUR SYSTEM DOES NOT WORK,
BEFORE REQUESTING A SERVICE CALL:
1.

4.
If the coil cannot be cleaned by this m ethod, call your
dealer for service. It m ay need a detergent solution and
rinsing with water for cleaning, which m ay require coil
rem oval. You should not attem pt this yourself.

Ensure therm ostat is set below (cooling) or above
(heating) room tem perature and that the system lever
is in the "COOL", "HEAT" or "AUTO" position.
Inspect your return air filter: If it is dirty your air
conditioner m ay not function properly.
Check indoor and outdoor disconnect switches.
Confirm circuit breakers are ON or that fuses have not
blown. Reset breakers/replace fuses as necessary.
Inspect the outdoor unit for clogged condenser coils,
(grass cuttings, leaves, dirt, dust or lint). Ensure that
branches, twigs or other debris are not obstructing the
condenser fan.

IF YOUR SYSTEM STILL DOES NOT OPERATE,
CONTACT YOU SERVICING DEALER.
Condensate Drain
During cooling season check at least m onthly for free
flow of drainage and clean if necessary.
Condenser Coils
Grass cuttings, leaves, dirt, dust, lint from clothes dryers,
and fall off from trees can be drawn into coils by m ovem ent
of the air. Clogged condenser coils will lower the efficiency
of your unit and could cause dam age to the condenser.
506162-02

Be sure to describe the problem , and have the m odel
and serial num bers of the equipm ent available.
If warranted replacements parts are required, the
warranty must be processed through a qualified distribution
location.

Issue 0847

Page 12 of 14

ALLIED AIR ENTERPRISES
EQUIPMENT LIMITED WARRANTY
APPLIES IN U.S.A. AND CANADA ONLY
FAILURE TO MAINTAIN YOUR EQUIPMENT W ILL VOID THIS W ARRANTY
C O V E R ED E Q U IP M E N T
The following Allied Air Enterprises heating and cooling equipment is covered by the Limited Warranty:
Condensing Units: 2SCU13, 4SCU13, 4SCU14, 4SCU16, 4SCU18, 2AC13, 2AC14,4AC13
Heat Pumps: 2SHP13, 4SHP13, 2SHP14, 4SHP14, 4SHP16, 4SHP18, 2HP13, 2HP14, 4HP13
Gas Furnaces: G1N80, G1D80, G2D80, G1D91,G1D93, G2D93, G2D95, FPBB, CG80, CG90, CG93, CG90UA
Oil Furnaces: LBR80, LBF80, LHF80, LUF80, RULF, RLBR, RLBU, RLHF, RLHR
Electric Furnaces: EFC, EFV
Evaporator Coils: EC, EU, EH, EM
Air Handlers: BCS2, RBCS2
Package Equipment:: 2PCE13, 4PCE13, 4PCE15, 2PGE13, 4PGE13, 4PGE15, 2PHP13, 4PHP13, 4PHP15, 2SG13, 2SH13, 2SA13
P AR TS and C O M P R E S S O R C O V E R AG E
The covered equipment and covered parts and compressor are warranted by Allied Air for a period of five (5) years from the date of the original installation, when installed in a residential application
(which includes homes, duplexes, apartments and condominiums). The covered equipment and covered parts and compressor are warranted by Allied Air for a period of one (1) year from the date
of the original installation, when installed in non-residential applications. If during this period, a covered component fails because of a manufacturing defect, Allied Air will provide a free replacement
part to the owner through a licensed service contractor utilizing an Allied Air distributor. You must pay shipping charges and all other costs of warranty service. Allied Air will not pay labor involved
in diagnostic calls or in removing, repairing, servicing or replacing parts. Such cost may be covered by a separate warranty provided by the installer.
H E AT E X C H AN G E R E X TE N D E D C O V E R AG E
All covered heat exchangers are warranted by Allied Air for a period of twenty (20) years from the date of original installation.
Heat Exchanger Availability: If a replacement heat exchanger is no longer available for a unit covered by this warranty, Allied Air will allow a credit toward the purchase of an equivalent Allied
Air furnace (at the current suggested distributor’s cost).
NOTE: If the date of original installation cannot be verified, the warranty period will be deemed to begin ninety (90) days after the date of manufacture.
E X C LU D E D C O M P O N E N TS
The following components are not covered by this warranty: cabinets, cabinet pieces, air filters, driers, refrigerant, refrigerant line sets, belts, wiring, fuses, oil nozzles, unit accessories and any parts
not affecting unit operation.
C AR E O F E Q U IP M E N T
Your new Allied Air unit must be properly installed, operated and maintained in accordance with the unit installation, operation and maintenance instructions provided with each Allied Air unit. Failure
to provide maintenance per Allied Air instructions will void this warranty.
W AR R AN TY P R O C E D U R E
When service or warranty parts are required:
1. Call your local licensed service dealer or contractor
2. If the installing dealer is unable to provide warranty service, check online at www.alliedair.com.
3. Be prepared to furnish the following information:
a. complete model and serial number
b. proof of required periodic maintenance, installation date and location
c. an accurate description of the problem
W AR R AN TY LIM ITATIO N S
1. This warranty is void if the covered equipment is removed from the original installation site.
2. This warranty does not cover damage or defect resulting from:
a. flood, wind, fire, lightning, mold, or installation and operation in a corrosive atmosphere, or otherwise in contact with corrosive material (chlorine, fluorine, salt, recycled waste water, urine,
fertilizers, or other damaging substances or chemicals); accident, or neglect or unreasonable use or operation of the equipment including operation of electrical equipment at voltages
other than the range specified on the unit nameplate (includes damages caused by brownouts)
b. modification, change or alteration of the equipment, except as directed in writing by Allied Air
c. operation with system components (indoor unit. outdoor unit and refrigerant control devices) which are not an ARI match or meet the specifications recommended by Allied Air
d. operation of furnaces with return air temperatures of less than 60/ F (16/ C) or operation of a furnace field installed downstream from a cooling coil
e. use of contaminated or refrigerant not compatible with the unit
The installation of replacement parts under the terms of this warranty does not extend the original warranty period.
Allied Air makes no express warranties other than the warranty specified above. All implied warranties, including the implied warranties of merchantability and fitness for a particular
purpose, are excluded to the extent to a period legally permissible. Should such exclusion or limitation of the warranty be unenforceable, such implied warranties are in any event limited
to a period of one (1) year. Liability for incidental and consequential damages is excluded. Some states do not allow limitation of incidental damages, so the limitations or exclusions
may not apply to you. Allied Air will not pay electricity or fuel costs, or increases in electricity or fuel costs, for any reason whatsoever, including additional or unusual use of
supplemental electric heat. This warranty does not cover lodging expenses or labor charges.
Allied Air shall not be liable for any default or delay in performance under this warranty caused by any contingency beyond its control.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
NOTE TO CUSTOMER
Please complete information below and retain this warranty for your records and future reference.
O utside U nit Model N um ber: __________________________________________ Serial N um ber: ___________________________ Installed D ate: ______________
Furnace / Air H andler: _______________________________________________ Serial N um ber: ___________________________ Installed D ate: ______________
Indoor C oil Model N um ber: ___________________________________________ S erial N um ber: ___________________________ Installed D ate: ______________
Installing C om pany N am e: _________________________________________________________________________ P hone: ______________________________
Installing C om pany Address: ___________________________________________ S tate / Province: ________________________ Zip / Postal C ode: ___________

215 Metropolitan Drive, West Columbia, SC 29170

506162-02

Issue 0847

Page 13 of 14

NOTES

506162-02

Issue 0847

Page 14 of 14

Source Exif Data:

File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.5
Linearized                      : Yes
XMP Toolkit                     : 3.1-701
Create Date                     : 2008:11:25 14:09:15Z
Creator Tool                    : Print Server 110
Modify Date                     : 2008:12:08 09:29:57-05:00
Metadata Date                   : 2008:12:08 09:29:57-05:00
Producer                        : Corel PDF Engine Version 11.245
Format                          : application/pdf
Title                           : 
Document ID                     : uuid:a565d778-c534-11dd-b0e4-000d9347fcc0
Instance ID                     : uuid:b003a351-c534-11dd-b0e4-000d9347fcc0
Page Count                      : 14
Page Layout                     : SinglePage
Creator                         : Print Server 110

EXIF Metadata provided by EXIF.tools

Ducane Hvac 2Hp13 14 Users Manual

2HP1314 to the manual 71ec1283-6f2f-448c-916c-3a18cb6b9cde

Navigation menu

Versions of this User Manual:

Views

Navigation