GOETTL Air Conditioner/heat Pump(outside Unit) Manual 98090202

User Manual: GOETTL GOETTL Air conditioner/heat pump(outside unit) Manual GOETTL Air conditioner/heat pump(outside unit) Owner's Manual, GOETTL Air conditioner/heat pump(outside unit) installation guides

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CONGRATULATIONS!
DEAR HOMEOWNER:

Please retain this manual

for

future reference, for you own today
the machine of TOMORROW !

Installation

& Operating Instructions
for

High Efficiency
Heat Pump Outdoor Unit
RHP SERIES

LR 102 110
NR_C_

EPA POLLUTION PREVENTER

Manufactured

GOETTL AIR CONDITIONING,
P.O. BOX 52029, PHOENIX,

ARIZONA

INC.

85072-2029

INSTALLATION

AND_OPERATING INSTRUCTION MANUAL

HEAT PUMP RHP MODELS

2-5 TONS

Please take a few minutes to read these instructionsbefore you install and/or use your heat pump.
This will help you obtain the full value from your unit. It will also help you avoid any needless
service costs that may result from installing, or operating the unit incorrectly.
PRECAUTIONS FOR INSTALLATION
1. Read these instructions carefully. Failure to
follow these instructions could cause a malfunction of the heat pump unit resulting in
injury, death and/or property damage.
e

Check your local codes and utility standan:Is. The installation must comply with
these codes.
Shut off electrical power before making connections on the unit or removing panels for
servicing. (There may be more than one
disconnect.)

AND SAFE OPERATION

4. Refer to page 8 for maintenance procedures.
5. Do not operate this unitat outdoor temperatures below 60 degrees F on cooling nor
above 75 degrees on heating.
.

The components of the cabinet may have
sharp edges or protrusions which can cut
you. The tubing and compressor contain
high pressure refrigerant. They must not be
exposed to high temperature or be punctured, as serious injury may result.

The importance of a proper installation cannot be overemphasized. The best designed unit may
operate poorly if installed improperly. Unlike portable appliances where the quality of operation can
usually be determined as it leaves the factory, the performance of an heat pump depends, to a large
extent, on its installation.
Problems are likely to occur if the installer does not follow the procedures outlined.
Wire Size

Duct Sizes

- Inadequate duct size, elbows, distributorsor registers can restrict air flow.

Inadequate wire sizes can cause an excessive voltage drop (and highcurrent)
resulting in damage to the compressor and fan motors.

Duct OI)_ings .... , Improperly sealed duct sections can cause considerable loss in cooling
• _ ...
capacity due to air leakages, resulting in high operating costs.Duct In$olatroil- _'_
-- - __-- ....
._B_Cbarga:

Inadequate duct insulation in attic space will cause heat gain or loss in the
system.
=.Improper charge or introductionof air, moisture or foreign matter can
sedously affect the system performance and reliability and is the primary
cause of premature compressor failure.

Heat pumps have proven their reliability over several decades. Years of research, engineering
and only the highest quality component parts and workmanship have gone into the Goettl units to
make them the most reliable in the industry. Before a model is released for production, it undergoes comprehensive testing in environmental test rooms with temperatures ranging from subfreezing 0° F to 120° F desert temperatures.

TABLE 1
MODEL NO.

PART NO.

RHP241H

103132

RHP3OIH

103133

RHP361H

103134

RHP421H

103137

RHP481H

103140

RHP6OIH

103143

RGURE 1

Page 11 shows a _
wiring diagram. However, each unit will have its own appropriate wiring
diagram attached to the access panel of the wiring control section on the unit. ALL WIRING
AND FUSING MUST COMPLY WITH LOCAL AND NATIONAL ELECTRICAL CODE REQUIREMENTS.
The 24 volt control circuit connections are made at the left side of the panel (see fig. 1)'_:l'he main
power connections are made at the "L"terminals of contactor; through a knockout at the bottom of
the control panel. These connections must be tight and electrically secure. An appropriate fused
disconnect must be weather tight, and must be installed at the unit location. The fuse(s) should be
dual element type. Fuse and ampacity ratings are listed in the table on page 3 and also on the
rating plate of the unit.
CAUTION:
• '

The unit must always be grounded with a suitable ground connection.
(Refer to local codes).

_z_-ELECTRiCALDATA

AT 230V

TABL E 2
241H

301H

361H

421H

481H

601H

1 Ph

62.5

76.0

90.5

107.0

129

169.0

3 Ph

Rated Load

1 Ph

11.6

Amps

3 Ph

Full Load

1 Ph

Amps

3 Ph

Full Load

1 Ph

12.4

Amps

3 Ph

Locked Rotor
Compressor

Outdoor
Motor
Unit
Total

1 Ph
Max. Fuse Size, Amps

13.5

18.0

1.0

1.7

19.9

23.7

28.9

mDm

1.7

1.9

m_o_

14.5

19.7

21.6

25.6

15.3

17.9

24.2

26.6

31.6

38.1

30.8

3 Ph
1 Ph

Min. Circuit Ampacity

3 Ph

Based on UL operating conditions
Unit operates at 208/230V

MATCHING INDOOR SECTION
AIR HANDLER/COIL NO.

0.8

Data appliesto 230V
460V unitsavailableon spedai order
Specificationssubjectto changewithoutnotice
=.

I GAH241H1/H

Typical Central Air Conditioning System
With RHP Remote
Heat Pump and GAH
AirHandler

RGURE 2

Concrete

Pad

SPMT SYSTEM INSTALLATION
The outdOo__s"-ection
of the system is factory wired and ready to locate and be con_e_ted, through
refrigerant piping, to an Indoor unit. The indoor unit may be a vertical or horizontal air handler, with
or without supplemental resistance heaters.
It is very Important to correctly size the outdoor and indoor unitsto the application to assure satisfactory operation. Contact your local distn'butorwith specification questions.
LOCAL CODES AND REQUIREMENTS

GOVERNING INSTALLATION AND WIRING MU_;T BF

Take special note of grounding requirements for your locale.

LOCATION

OF OUTDOOR

UNIT

The outdoor section should be in a location which will:

1. Not restrict the air flowto or from the outdoor coil.
2. Minimize the collection of dirt, leaves, and debris.
3. Be shaded if at all possible.
4. Provide the shortest distance for refrigerant piping.
5. Offer convenient electrical service.
6. Be no closer than 18 inches from a solid wall.
7. Have a solid base, such as a concrete slab, not connected to the building foundation.

....See table 3 for recommended refrigerant line sizes and refrigerant charges based on the following
'specifications:
1. R-22 at 50 degree evaporating and 100 degree liquid temperatures.
2. Liquid lines not to exceed 3 PSI pressure drop.
3. Suction lines not to exceed 3 PSI pressure drop at 1500 ft./min, minimum velocity.
.

For vertical rises, the suction line sizes as recommended for the _
run are to be
used. (Oil traps will not be required if this is adhered to. For risers over 20 ft., consultfactory
for guidance) .

5. Any oil used must be approved by the applicable compressor manufacturer w Suniso 3G-S or
Texaco WF-32 (Capella B) or Sontcx200 LT (Scrolls)
Note: Line sizes 40 ft. and greater may require a hard start kit.
The actual amount of total refrigerant charge for each installation may have to be adjusted to
ensure that unit performance characteristics (compressor electrical current draw and suction
and discharge pressures) are consistentwith those given in the applications tables for the
applicable ambient conditions. (Refer to product catalog for compressor data).

TABLE $
REFRIGERANT

LINE LENGTI-_

(FT)

3/4-3/8

100

3/4.3/8

3/4 - 3/8

3/4 - 1/2

+10

+17

+42

+54

+66

+78

+91

+10

+12

+14

+16

3/4- 3/8

3/4 - 3/8

3/4 - 1/2

718- 1/2

OHR-ADD (OZ)

H
(91)

+10

+30

+42

+54

+68

+80

+93

OIL-ADD (OZ)

+10

+13

+16

+18

SUCT/LIQ

7/8- 3/8

CHR-ADD (OZ)

H
. (123)

CHR-ADD (OZ)
OIUADD (OZ)

718- 1/2

718 - 1/2

718- 1/2

+18

+30

+43

+56

+68

+80

+93

,. +8

+11

+13

+16

+18

7/8- 3/8

7/8 - 1/2

718- 1/2

1 1/8 - 1/2

H
(126)

+18

+31

+43

+56

+58

+80

+98

+11

+13

+16

+21

SUOT/LIQ

7/8- 1/2

-7/8- 1/2

7/8 - 1/2

718- 1/2

1 1/8 - 1/2

1 1/8 - 5/8

OHR-ADD (OZ)

(181"12)

+19

+31

+43

+59

+110

+130

+150

OIL-ADD (OZ)

_..

+13

+17

+20

+23

1 1/8- 1/2

1 1/8 - 1/2

1 1/8- 1/2

1 1/8 - 1/2

1 1/8 - 5/8

'
CHR-ADD (OZ)

H
(182)

+19

+31

+46

+9O

+110

+130

+150

OIL-ADD (OZ)

+10

+14

+17

+20

+23

SUCT/LIQ
601

OIL-ADD (OZ)

SUCT/LIQ

481

OIL-ADD (OZ)

421

H
(77)

361

CHR-ADD (OZ)

SUOT/I.IQ
301

(STD)

SUCT JQ
241

LINE SIZES, REFRIGERANT
(R-22) & OIL CHARGE
SERIES RHPIGAH (HI/H SERIES)

Specifications subject to change without notice.

PREUMINARY

START

1. If power to the unit has been disconnected for more than 24 hours, restore power twelve (12) hours
prior to start up procedure.

COOUNG CYCLE CHECK OUT
With the thermostat calling for cooling and set 10 degrees below room temperature, engage disconnect
switch(es) to start system.

Check the voltage at the compressor motor connections. If the voltage is 10% above or below the
rated voltage or there is a difference greater than 3% between phases, shut down the system and call
the power company. A failure to do so may cause damage to the equipment.

After the unit is in operation, it will take about 30 minutes runningtime to stabilize the system.

In order to check for a properly working system, it is recommended that a thermometer be placed beth
in the retum air and in the air supply. After all insulating of ductwork and adjustments of air registers are
complete, a temperature difference of 15 to 20 degrees is satisfactory.

When the above steps are completed, a check of voltage and amperage draw should be made of all
motors. The readings should be within 10% of the performance ratings given for the specific ambients.
Refer to the performance tables Included with the catalog.

Suction and discharge pressures should also be checked to ensure that they are consistent with the
pressures shown in the catalog for the prevailing ambient cohditions. Also, a suction superheat temperature of 15 degrees F plus or minus 5 degrees F is common for these units when the outdoor ambient is approximately.95 degrees F. This could be used as a gauge in verifying that the system is not
overcharged or that it has not lost some of its charge.

Finally,the thermostat shouldbe checked out to assureproperoperation. Uteraturepeckedwith the
thermostat will provideInformationfor this check.

HEATING CYCLE CHECK OUT
With the thermostat callingfor heat and set 10 degreesabove roomtemperature,engagedisconnect
switch(es)to start system.

Check the voltage at the compressor motor connections. If the voltage is I(P/o above or below the
rated voltage or there is a difference greater than 3% between phases, shut down the system and call
the power company. A failure to do so may cause damage to the equipmenL
After the unit is in operation, it will take about 30 minutes running time to stabilize the system.

4. In orderto check for a properlyworkingsystem, it is recommendedthat a thermometer be placedboth

in the retumair and in the air supply.After allinsulatingof ductworkand adjustmentsof air registersare
complete, a temperaturedifferenceof 22 to 28 degreesis consideredsatisfactory.
When the above steps are completed, a check of voltage and amperage draw should be made of all
motors. The rea_lings should be within 10% of the performance ratings given for the specifle ambients.
Refer to the performance tables Included with the catalog.

Suction and discharge pressures should also be checked to ensure that they agree reasonably well
with the pressures shown in the catalog for the prevailing ambient conditions. ALso,a suction superheat
temperature of 5 degrees F is common for these units when the outdoor ambient is approximately 47
degrees F. This should be used as a gauge in determining that the system has not lost its charge.

Rnally, the thermostat should be checked out to assure proper operation. Uterature pecked with the
thermostat and subbase will provide Information for this check out.
___

COOUNG CYCLE
With the disconnect in the "ON" position, voltage is supplied to the pdmary of the control transformer and
crankcase heater (where applicable). The control transformer reduces the voltage from either 230 or 208 to
24 volts for the low voltage and the thermostat circuits. With a single stage cool/single stage heat thermostat
set in the cooling position, current issupplied from one side of the 24 volt secondary of the control transformer
to the "R" terminal of the thermostat. The other side of this transformer connects to the main contactor coil
through the high pressure control. When the thermostat calls for "COOUNG," current from the "R" terminal
is switched on to the "Y" terminal causing the compressor contactor to be energized. The main contactor
closes the contacts in the highvoltage circuit. The completion of this circuitwill start both the outdoor fan motor
and the compressor simultaneously.
The indoor fan relay which is internally wired from "G" to "Y" in the thermostat subbase is also energized
and starts the indoor fan motor. The system will operate normally and begin to cool.

HEATING CYCLE
With the thermostat set in the heating mode,the =B"terminal energizes the reversing valve relay. With a call
for heat the compressor contactor is energized =W" to "Y" through the jumper wire in the control panel. The
indoor and outdoor fan motors are started in the same manner as in the cooling cycle. The reversing valve
is always energized whenever the system switch on the thermostat is in the heat position. This eliminates the
=swish" at the end of the heating cycle. Only in the de-lce_cycle will the =swish"occur.

Resistance heaters areavailable as an optional field installed accessory. Heaters are recommended for areas
where winters are severe, because as the outdoor temperature falls, the amount of heat available in the air
decreases, making it more difficultto capture. This fact of nature causes the heat pump capacity to fall at a
time when the heating requirement dses. Resistance heaters can compensate for this difference in capacity.
Heat pumps with resistance heaters require a single stage cool/two stage heat thermostat, with the two stage
thermostat, the resistance heaters are energized if the thermostat istumed more than two degrees higher than
the indoor temperature, or the indoor temperature falls more than two degrees below the thermostat setting.
The heaters will also be energized during the defrost cycle.

SCROLL

COMPRESSOR:

Units equipped with scroll compressors do not have crankcase heaters and do not require hard start kits.
However, they do have a 3 minute anti-short cycle timer and an accumulator (where necessary) for added
compressor .protection.

Never use the scroll compressor to pump Itself down (create a vacuum) by closing off the suction line. The
high vacuum caused by the unit pumplng down could cause severe intemal fusite arcing resulting in a
compressor failure.
Damage resulting from.internal fusite arcing due to extremely low pressure is apparent when an "in-warranty"
compressor is disassembled and will result in denial of warranty claims by the compressor manufacturer.

ANTI-SHORT

CYCLE

TIMER:

The anti-short cycle timer is to be used for compressor protection. They are described as follows:
FUNCTION

- No delay on iniUal start up; but a momentary power failure will initiate a 3 minute delay
before the compressor contactor can be re-energized.

ELECTRONIC

DEFROST

CONTROL:

This solid state defrost control operates in conjunction with an extemal sensor located at a'cold" spot on the
outdoor coil.The control operates on a =Time/Temp" to initiate and "l'emp" to terminate the cycle. The control
will initiate a defrost cycle every 60 minutes (set by the factory) if the coil temperature at the sensor is
approximately 28 degrees F or less. As the coil is being defrosted, its temperature will rise until it reaches
approximately 65 degrees F. At this point the sensor will terminate the defrost cycle. The entire process will
take between one to three minutes. In areas where the air is generally moisture laden and frost is prevalent,
the defrost interval time may be set at 30 minutes by simply moving the jumper wire (see figure 3) from the
T2 pin to T1.

°°°

TST

HLD

24V

OUT COM (_)

I-!fl I1 [! rl

0
T2

T1
JUMPER WIRE

RGURE

Be sure the filter is dean. Inspect every 30 days
for operation; if obstructed, clean or replace
filter at once. DO NOT RUN WITHOUT A
FILTER.
Always let the thermostat control the operation
of the system. Never try to "second guess" the
thermostat, or tamper with it. Just set the thermostat at the comfort level desired AND LEAVE
IT ALONE. If it gets too chilly, just tum the
thermostat up a degree at a time until the
desired level3s'_chleved. Don't tum the thermostat back and forth, as this will cause the
equipment to cycle off.
Heat pumps cannot warm up a house as fast as
a fumace heats it. They pull the temperature up
slowly; therefore, do not tum the unit on and
immediately expect a warm environment. It
may take as long as a day orso to pull up a cold,
'moist building when the unit is first installed;

especially after it has been "soaked" in 30-40
degree ambient for days.
4.

Keep both the evaporator and condenser coil
surfaces dean. Accumulation of dirtwill restdct
the airflow and reduce the performance of your
unit (and increase your utility costs).

5. Keep condensate drain line clear and clean. All
blower fan motors are factory lubricated and
require no additional lubdcation. The COMPRESSOR is hermetically seal_d,.and HAS
NO SERVICEABLE COMPONENTS.
6. Your new heat pump is mounted outdoors. It is
good practice to treat It just as you would your
automobile if it was exposed to the elements
constantly; an occasional coat of wax will give
added protection against the elements.
7. Your new heat pump compressor is equipped
with a Permanent Split Capacitor Motor. There-

happens. Just let the pressure balance out and
then restart the unit.

fore, ALWAYS WAIT AT LEAST THREE MINUTES AFTER SHUTTING UNITOFF BEFORE
TRYING TO RESTART IT._If the unit is started
before the refrigerant pressures have a chance
to balance, the compressor motor may overload; and in very rare cases, blow a fuse (or tdp
a circuit breaker). Under normal operations,
this will not happen. This is most likely to occur
if a thermostat is chattering, or if the unit is
started too quickly. Do not be alarmed if this

IMPORTANT-

READ

It is a good practice when there is a power
outage (especially during severe thunderstorms), to switchoff your unit at the thermostat
untilthe electrical power has been permanently
restored. This could prolong the life of your
compressor.

CAREFULLY

(This item does not apply to units equipped with scroll-type compressors).
9. Your new heat pump may contain a special compressor warming circuit to keep the compressor warm
during long off periods. Do not be alarmed if this creates a slight =hum"may or not be detectable, but is
normal.
When the power has been disconnected from the unit for longer than twelve hours, be sure to turn the
power back on twelve hours before starting the unit. This will givethe compressor warming circuita chance
to operate and protect the compressor from damage.

HOW TO GET THE MAXIMUM

PLEASURE

FROM YOUR HEAT PUMP

In order that you may fully appreciate your heat pump, an outline of the basic principles involved are
shown in the following paragraphs.

HEATING LOAD
°/_o

•

The air temperature rise from a heat pump on the heating cycle is not as great as that from a fuel-firedfumace. The supply air coming into the room may be only 12 to 26 degrees warmer than the room air.
Therefore "hot or cold" spots are not evident in heat pump installations as they are in fuel-fired heating
systems.
Family living habits that aid the heating system, add load to the cooling system. The heater, fumace, or
boiler delivers heat into the rooms and the heat that is created within the house from electdc lights,
• cooking, the TV set, etc. help to heat rooms; therefore less heat is required from the boiler, fumace, or
unit heater.
The cooling equipment removes heat and humidity. Any additional heat released into the rooms from
these other sources will make the room air warmer and place an additional load upon the equipment.
In the case of cooking, for example, four top bumers of a gas range can produce more heat than a three
ton air condiUoner can remove. It is much more practical and economical to ventilate this concentrated
heat and moisture load than it is to dispose of it through your air conditioner. As a general rule:
R

Whenever you plan to have your oven or range top bumers on for more than a few minutes
during hot weather, close off the kitchen from the rest of the house, open a window or
outside door, and turn on your kitchen ventilator.

You can alsoeffectivelyreducethe load on your coolingsystemby keepingwindowshades,blinds,or
drapesdosed or by installingawningsor canopiesduringhot weather.
Somedays when the temperature is relatively high, it is comfortable because the air is dry. This is because the relative humidity is low. Other days when the temperature is about the same, it may be uncomfortable due to high relative humidity.
Indoor air should be both cool and relatively dry for comfort. Therefore, the cooling unit has been designed to remove both heat and moisture.

THERMOSTAT SETTING
For cooling, a temperature of 75 to 78 degrees is preferred by most people. You may select a lower
temperature setting if you wish and you will probably have that temperature a good portion of the time.
However, energy use increases rapidly at the very low settings, and the equipment may have difficulty
maintaining the precise temperature.
Do not be concemed if in the evening, when the outside temperature drops below the inside temperature,
your air conditioning system is still running. The entire structure of your house has been soaldng up heat
from the sun all day long. After the sun has set there is still a tremendous amount of heat in the walls,
ceiling, roof, fumishings, etc., that must be disposed of before the air conditioner stops running. Outdoor
temperatures can drop rapidly aftersundown, while the house and its fumishings continue to give off heat
for several hours.
._
Indoor Blower and Outdoor Fan Operation: To improve the efficiency of the unit, the blower is operated
on a time delay. Depending on the outside ambient temperature, the blower may delay starting up for 5 to
• 15 seconds even though the thermostat calls for cooling or heating, and when the thermostat is satisfied,
the blower may keep on running for 30 to 90 seconds longer. Do not be alarmed if you do not hear the
blower running immediately after the unit switches on. When your unit is being automatically defrosted,
the outdoor fan will stop while the unit is still running. Do not be concemed; this is a normal operation.
The fan will automatically restart after the unit has completed its defrost cycle.
Your unit is a Heat Pump. It is producing heated air on the heating cycle and cooled air on the cooling
cycle. The cooling or heating is accomplished by means of remote controls, is completely automatic, and
requires no attention after setting the thermostat to the comfort level you desire.
The heat pump is one of the most energy efficient devices for home comfort and has proven to be extremely durable and dependable through many years of use.
Your unit operates automatically by means of remote controls, and requires no attention after setting the
thermostat to the comfort level you desire.

GOETI'LAIR

CONDITIONING,

INC.

P.O. Box 52029 • Phoenix, Arizona 85072-2029
613754

- 5/95

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GOETTL Air Conditioner/heat Pump(outside Unit) Manual 98090202

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