CARRIER Evaporator Coils Manual L0211037

User Manual: CARRIER CARRIER Evaporator Coils Manual CARRIER Evaporator Coils Owner's Manual, CARRIER Evaporator Coils installation guides

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Installation

Instructions

For Cased Coils
Upflow-Downflow
Heating-Cooling

CK5A,CK5B
CK5P

_RETURN
SUPPLY

EVAPORATOR_
COIL_

-'_41

DOWNFLOW
FURNACE

UPFLOW
FURNACE

/
_SUPPLY
A_2_

Fig. 1--Typical
NOTE:

Read the entire

This symbol

--_ indicates

instruction
a change

manual

before

starting

Coil Installation

the installation.

since the last issue.

SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may
cause personal injury or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance.
The qualified installer or agency must use factory-authorized kits or accessories when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear 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. Consult local building codes and National Electrical Code
(NEC) for special requirements.
It is important to recognize safety information. This is the safety alert symbol A,, • When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies the
most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or
death. CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage. NOTE is used
to highlight suggestions which will result in enhanced installation, reliability, or operation.
WARNING:
Before installing or servicing system, always turn off main power to system. There may be more than 1
disconnect switch. Turn off accessory heater power if applicable. Electrical shock can cause personal injury or death.

Z_x CAUTION: This coil contains Nitrogen precharge of 15 PSI. Release of this pressure through the center of the rubber
plugs is required before removing the plugs.
IMPORTANT:
of the coil.

Form:

Nitrogen can leak out through the hole that the needle pierced in the plugs. This does not indicate a leaking coil nor warrant return

IM-CK5A-05

Cancels:

IM-CK5A-04

Pdnted in U.S.A.

12-01

Catalog No.

63CK-5A4

Table 1---CK5A/CK5B/CK5P
METERING

MODEL NUMBER

TONNAGE

DEVICE

Dimensions

FLUSH

FIT

CK5A/B
Piston NUMBER

CK5P
TXV NUMBER

TO FURNACE
WIDTH
(IN.)

*CK_A,B,P)XA018014

1_1/2

EA36YDI24

14-3/16

*CKS(A,B,P)XA024014

EA36YDI24

14-3/16

SHELF WIDTH
(SEE FIG. 3,
DIM A)

FITS NEXT SMALLER FURNACE
Equal
Overhang

Overhang
with
Transition

Offset
Left

12-7/8

*CKS(A,BJ')XA030014

2-1_

EA36YDI34

14-3/16

*CK5(A,B,P)XT036017

EA36YD144

17-1/2-

CKS(A,B,P)XW024017

EA36YDI24

17-1/2

EA36YDI34

17-1/2

X
X
X
X

EA36YDI44

17-1/2

3-1/2

EA36YDI44

1%1/2

-----

3-1/2

EA36YDI44

*CKS(A,B,P)XT048021

EA36YDI54

CKS(A,B..P)XW036021

EA36YDI44

2-1/2

CK5(A,B,P)XW030017

*CKS(A,B,PiXA036017
CKS(A,B,P)XE042017
*CKE(A,B,P)XT04202

*CKS(A,B.PlXA042021

3-1/2

16-3/16

1%5/8

----

*CKS(A,B,P)XA048021

EA36YDI54

*C KS(A,B,P)XT060024

EA36YDI54

24-1/2

_CKS(A,B_P)XW048024

EA36YDI54

24-1/2

*CKS(A,B,PlXA060024

EA36YDI54

24-1/2

CKS(A,B,P)XX060024

EA36YDI54

24-1/2

----

23-1/8

X
X
X

INTRODUCTION
Use this instruction manual to install indoor coils on upflow or downflow furnaces. (See Fig. 1.) Do not install coil in horizontal position. Model
CK5A is enclosed in a painted casing while CK5B is available in an embossed casing; both of these coils come with pistons and both may be used
with R-22 systems or Puron®. The CKAP coil is enclosed in a painted casing, however, it has a Puron TXV so it is only compatible with Puron
systems.
INSTALLATION
PROCEDURE

1--INSPECT

EQUIPMENT

File claim with shipper if equipment is damaged.
PROCEDURE

2---SELECT

INSTALLATION

PROCEDURE

NOTE: Installing coils rotated 90 degrees from the front of the furnace, in upflow or downflow applicadous, can cause water blow-off or coil
freeze-up due to the concentration of air on one slab of the ceil or lack of air to a slab in the coil. It is recommended that on this type of application,
a field-supplied adapter be placed between the coil and furnace to allow air to distribute properly between all slabs of the coil.
For cased coils in upflow applications, follow A. See Table I for dimensions and overhang options. Note instructions for placement of ceil casing
on fitrnace.
For cased coils in downflow applications,
For uncased coils in upflow applications,
PROCEDURE
A.

3_INSTALLATION

follow B.
follow C.
OF FURNACE COILS

Upflow Cased Coil Installation
1. Set coil in place on upflow furnace discharge air opening. (See Fig. 1.)
2. When coil front width matches furnace front width, die ceil can be placed direcdy on furnace.

NOTE: When model T036, T042, T048, or T060 is applied to same width furnace, remove block-off plates at casing base by removing 2 screws
per plate from side of casing. (See Fig. 8.)
3. Ensure coil is level for proper condensate drainage. Do not tip coil toward condensate drain. Coil enclosure need not be fastened or screwed
to furnace.
4. Following are instructions

for alternative ways of overhanging

T MODEL (6TH DIGIT) COILS APPLIED CENTERED

coil on furnace: (See Fig. 7A, B, C.)

OVER NARROW FURNACE

1. There is no transition required for this application.
2. Remove coil from packaging and place on top of furnace with 1-5/8 in. overhang on both sides. (See Fig. 7A.)
3. Continue with normal installation practices. (See Procedure 4.)
A, W, OR X MODEL (6TH DIGIT) COIL APPLIED CENTERED
1. Prepare transition, following recommended

OVER NARROW FURNACE WITH 2-1/4-1N. MINIMUM TRANSITION

transition drawing. (See Fig. 5.) Fabricate a 2-1/4-in. tall (minimum) transition.

2. Place transition on top of gas furnace. (See Fig. 7B.) Secure with sheet metal screws. Place cell on top of transition. Make sure coil rests
evenly on top of transition and gas furnace.
3. Secure ceil to transition using sheet metal screws.
--2

__ /_i'_

F__EELDuSM
uPPLIED

193/16 "

COIL
SUPPORT

[

3" MIN.

_'-FURNACE
TABLE 1

FURNACE _

"B"

A01482
Fig.

2iTransition
Except

Required

for "T" Coils

A01_3

Fig. 3---Correct

for Overhang
(See

Orientation of Coil Suppo_ on Furnace

Fig. 7)

CAUTION
AIR CONDITIONING COIL BEHIND THIS
PANEL. DO NOT DRILL OR CUT PANEL
UNTIL COIL LOCATION HAS BEEN
VERIFIED BY REMOVING ACCESS
COVER.
A96359

Fig. 4---Plenum

Caution Label

4. Continue with normal installation practices. (See Procedure4.)
NOTE: If cod (cased or uncased) is not being instaned in the standard orientation (front of coil matching front of furnace) then coil must be raised
2-I/4 in. above furnace.
A, W, OR X MODEL (6TH DIGIT) COIL APPLIED DIRECTLY ON TOP AND OFFSET TO THE LEFT ON NARROW FURNACE
1. Notch support rail on underside of coil cabinet to provide clearances for gas furnace flange. This rail is not visible from front of coil. To
locate position of notch, place coil directly on top of gas furnace with overhanging portion entirely on left side as in Fig. 7C. Mark location
of gas inmace flange on coil casing. Remove coil from top of furnace. Using tin snips, make a notch in rail large enough to allow clearance
for gas flow furnace flange.
2. Place coil on top of gas furnace. Make sure coil is shifted completely to left side, and notch is sufficient so coil rests on top of furnace
cabinet.
3. Prepare and install block-off plate. (See Fig. 7C.) Using field-supplied sheet metal, cut a block-off plate to be attached to bottom left side
of coil casing. This plate prevents air leakage from overhanging portion of coil. Attach plate using sheet metal screws.
4. Continue with normal installation practices. (See Procedure 4.)
B.

Downflow Cased Coil Installation
1. Place N-coil on supply duct opening.
2. When coil width matches furnace width, furnace can be placed directly on the cased coil.

NOTI:: In' downflow installation
Instructions.)

with a 4-way multipoise furnace,

break off perforated

3. Coils that underhang (narrower than furnace) must have a 2-l/4-in.
casing.

duct flanges on furnace. (See Furnace

long (minimum) field-fabricated

Installation

Iransition between furnace and N-coil

4. Coils that overhang (wider than furnace) do not require a a'ansition in downflow application. However, a field-supplied furnace shelf should
be constructed to fit furnace to coil opening.
5. Place furnace on top of N-coil casing, or field-supplied furnace shelf.
NOTE:

When removing a coil from its casing in the downflow position, support the coil enclosure with field supplied bracing. (See Fig. 6.)
I3I

COIL CASINO WIDTH
B
3/4_
FLANGES

REAR BRACKET

SHOWN)

19 I_(OUTSIDE)

NOTE: WELD (3) PLACES
IN (41 CORNERS

(INSIDE OPENING)
FURNACE
OUTLET

A97232

Dimensions

(In.)

17-1/2

16-U16

19-9116

24-1/2
Fig, 5_Recommended

A
12-3/4

Transition

Upflow Uncased Coil Installation

Only the coils marked with an asterisk (*) on Table 1 can be used as an uncased application. In these models the coil can be removed from the
casing and installed as an uncased coil without need to field-fabricate a coil enclosure to prevent air bypass.
1. Field fabricate coil support shelf using dimensions

given in Fig. 3. The coil support shelf is required to complete the uncased installation.

2. Locate and install the coil support shelf above furnace duct flanges, the coil support shelf is designed to accommodate upflow furnace
opening flanges.
3. Set coil in place.
4. Place plenum

enclosure

on furnace.

5. Insulate plenum enclosure.
6. Affix caution label to the right side of plenum enclosure. (See Fig. 4.) The caution label is stapled to the Installation Instructions.
7. Continue

with normal

PROCEDURE

installation

4---CONNECT

practices.

REFRIGERANT

(See

Procedure

4.)

PIPING

Use accessory tubing package or field-supplied tubing of refrigerant grade. Suction tube must be insulated. Do not use damaged, dirty, or
contaminated tubing because it may plug refrigerant flow-control device. ALWAYS evacuate the coil and field-supplied tubing before opening
outdoor unit service valves.
PROCEDURE

5--CONNECT

REFRIGERANT

LIQUID AND SUCTION

LINES

For matched and mismatched systems, use line sizes recommended in outdoor unit Installation Instructions.
The coil can be connected to outdoor units using accessory tubing packages or field-supplied tubing of refrigerant grade. Always evacuate tubing
and reclaim refrigerant when making connections or flaring tubing. Leak check connections before insulating entire suction line.
SUCTION LINE
Suction line is designed for field sweat connection.
connection.

Line is plugged to keep out moisture and dirt. Remove these plugs only when ready to make

LIQUID LINE
CAUTION: To avoid damage to the refrigerant control device while brazing, wrap tubing or fittings with a heat-sinking
material such as a wet cloth.
A. The following section applies to only CK5A and CKSB coils:
SYSTEM

REFRIGERANT

z_x CAUTION:
required.

CONTROL

If unit is to be installed on system with a thermostatic

expansion

valve, removal of indoor coil piston is

A refrigerant control device (bypass type piston) is factory supplied with coil. (See Table 1.) The piston has a refrigerant metering hole through
it, and is field replaceable.

FURNACE

\
Ag83gt

Fig. 6--Field

Supplied Bracing

o
o

2 1/4" MIN

FIE_

PLATE

ALTERNATIVE
A
MODELS:
T048,

FABRICATED
BLOCK OFF

T036,

ALTERNATIVE
B

m
ALTERNATIVE
C

WRONG

T042,

AND TO60 ONLY

A97607

Fig. 7--Alternative

Coil Mounting

Positions

The piston shipped with the indoor coil may be different from the piston shipped with the outdoor condensing unit. If this is the case, you must
replace the indoor piston. Always use the piston shipped with the outdoor condensing unit.
If piston replacement is required:
1. Check the piston size stamped into side of brass hex nut. (See Fig. 9.) If this piston number does not match required piston shown on outdoor
unit rating plate, replace indoor piston with piston shipped with outdoor unit.
2. When the piston is replaced, hand tighten the brass hex nut, then tighten with wrench 1/2 turn.
3. Remove rubber plug.
4. Li,qnid line is designed for sweat connection.
/f_

CAUTION:

PROCEDURE

Remove Teflon seal during brazing. Replace when fitting has cooled.
6--CONDENSATE

DRAIN UNE CONNECTION

The coil is designed to dispose of accumulated water through built-in condensate drain fittings. Two 3/4-in. female threaded pipe connections are
provided in each coil condensate pan.
Install a trap in condensate line for coil as close to coil as possible. Make trap at least 3 in. deep and no higher then the bottom of unit condensate
drain opening. (See Fig. 11.) Pitch condensate line 1 in. for every 10 ft of length to an open drain or sump.
m5m

PLATES

A97629

Fig. 8---Block-Off
NOTE:

If unit is located

in or above

a riving

pan should be installed underneath
entire unit,
Any condensate
in this external condensate
pan
localities may allow the atoning of a separate
be noticeable. The owner of the structure must
requires

servicing

or water

damage

space,

where

damage

Plate Removal

may result from

condensate

overflow,

a field-supplied,

external

condensate

and a secondary
condensate
line (with appropriate
trap) should be run from the unit into the pan.
should be drained to a noticeable place. As an alternative to using an external condensate
pan, some
3/4-in. condensate
line (with appropriate
trap) per local code to a place where the condensate
will
be informed that when condensate
flows from secondary
drain or external condensate
pan, the unit

will occur.

NOTE: To avoid drainage
problems,
test the primary
drain line by slowly pouring water into the pan. Check piping for leaks and proper
condensate drainage. Using the secondary drain as explained
in the above note provides future protection
against overflow due to a clogged primary
drain.

PROCEDURE

7--HUMIDIFIER

APPLICATION

When installing a humidifier in a system which contains an N-Coil, consideration

must be given to location of coil slabs. (See Fig. 12.)

I. Care must be taken to prevent damage of N-coil when attaching humidifier to coil casing or plenum•
2. The models makred with an * in Table 1 are shipped with a labet to be applied to plenum to indicate slab location• This is needed only in
cases where the humidifier is not installed with original equipment. Label will alert future service and installation technicians about coil
slab location.
3. Ensure

that humidifier

has adequate

_'!
'

airflow.

13/16--IN•
BRASS HEX
NUT
J-- PISTON

/-/

STRAINER
PISTON
/'--

,-,/

DISTRIBUTOR

PLUG_

•
HEX BODY

STAMPED INTO
SIDE OF NUT

COPPER TUBE
A96248

Fig. 9---Refrigerant

Control Device Components

for CK5A and CK5B

TXV
PLUG

DDISTRIBUTOR
A01446

Fig. 10_Refrigerant

Control Device Components

for CK5P

ENCLOSURE

DRAIN

3" MIN

f
TO OPEN DRAIN
OR SUMP

A88571

Fig. 11--Condensate

--7--

Trap

A9_01

Fig. 12_lnstallation

O 2001 CAC/BDP

7310 w. Morris St., Indianapolis, IN 46231

of Humidifier

imckSa05

--8--

in System with N-Coil

Catalog

NO. 63CK-SA4

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