Lennox CH23 User Manual

LEMV

,1,_,2008Lennox Industries Inc.

Dallas, Texas, USA

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INSTALLATION
INSTRUCTIONS

J

J

CH23 Series Coils

HORIZONTAL EVAPORATOR COILS

503,486M
04/08

Supersedes 03/00

CH23 Series Coil ............................... 1

General ....................................... 1

CH23 Coil Dimensions .......................... 2

Shipping & Packing List ......................... 2

Installation .................................... 2

CH23 Refrigeration Systems ..................... 3

Refrigerant Line Connections .................... 3

Condensate Drain Connections .................. 4

/

Evaporator Coil Air Pressure Drop ................ 4

Clean-Up ...................................... 5

_puTechnical

blications

RETAIN THESE INSTRUCTIONS

FOR FUTURE USE

The Lennox CH23 series horizontal coils are designed for
installation with a horizontal furnace and a matched remote

outdoor unit. These units are for indoor installation only.
Refer to the Lennox engineering handbook for match-up

information.

These instructions are intended as a general guide and do
not supersede local or national codes in any way. Authori-

ties having jurisdiction should be consulted before installa-
tion.

Check contents for shipping damage. If any damage is

found, contact the last carrier immediately.

WARNING

A IMPORTANT

WARNING

Page 1

4

(102)

't

12

(305)

3/4

2-1/4

(57)

SUCTION

LINE

LIQUID

LINE

23 E

(584)

_ (89)_D3"1/2

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3/4 IP

,(19)

3/4

(19)

1-1/8

(29)

4-1_ _2.1/2

(102) rq- (64)

FRONT VIEW

CONDENSATE

DRAINS

Model No.

CH23-21
CH23-31

CH23-41
CH23-51
CH23-65
CH23-68

Package 1 of 1 contains the following:

1- Coil cabinet assembly
1- Bag assembly containing the following:

1-Suction line elbow with equalizer port
1-90 <_liquid line stub

1-O-ring
1-Heat shield

1-3/8 inch x 5/16 inch reducer coupling (-21, -31 only)
1-7/8 inch x 5/8 inch reducer bushing (-21, -31 only)
1-7/8 inch x 3/4 inch reducer bushing (-41 only)

Check equipment for shipping damage. If you find any
damage, immediately contact the last carrier.

NOTE - Toremove the coil from its casing after installation,
remove the two shipping screws from the coil flange. See

figure 1.

END VIEW

A B

in. mm in. mm

27 686 22-3/4 578
31 787 26-3/4 679

31 787 26-3/4 679

35 889 30-3/4 781
41 1041 36-3/4 933
47 1194 42-3/4 1086

Remove the two shipping

screws from the coil flange. The

coil can't be removed from the

case if the screws are present

FIGURE 1

1- CH23 cabinet must be installed for horizontal air flow.

NOTE - Coils are designed for air flow from either di-
rection.

2- Use field-fabricated transitions or adaptors (recom-

mended 18 inches min. width) to connect CH23 and
blower unit.

3- Connect supply and return duct work.

Page 2