Page 1
06/03
*2P0603*
504,176M
*P504176M*
E
1998 Lennox Industries Inc.
Dallas, Texas, USA
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
Shipping & Packing List
1 − Assembled heat pump package unit
As soon as the unit is received, inspect the unit for possible
damage during transit. If damage is evident, the extent of
the damage must be noted on the carrier’s freight bill. Make
a separate request for inspection by the carrier’s agent.
If any damages are discovered and reported to the carrier
DO NOT INSTALL THE UNIT
, as claim may be denied.
Check the unit rating plate to confirm specifications are
as ordered.
WARNING
Product contains fiberglass wool.
Disturbing the insulation in this product during
installation, maintenance, or repair will expose you
to fiberglass wool dust. Breathing this may cause
lung cancer. (Fiberglass wool is known to the State
of California to cause cancer.)
Fiberglass wool may also cause respiratory, skin,
and eye irritation.
To reduce exposure to this substance or for further
information, consult material safety data sheets
available from address shown below, or contact your
supervisor.
Lennox Industries Inc.
P.O. Box 799900
Dallas, TX 75379−9900
INSTALLATION
INSTRUCTIONS
12CHP SERIES UNITS
PACKAGED HEAT PUMP UNIT
(2−5 TONS)
504,176M
06/03
Supersedes 01/00
Table of Contents
Shipping & Packing List
1
. . . . . . . . . . . . . . . . . . . . . . . . .
General
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Dimensions
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Arrangement
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Requirements
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clearances
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rigging & Setting Unit
4
. . . . . . . . . . . . . . . . . . . . . . . . . .
Condensate Drain
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filters
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply & Return Connections
5
. . . . . . . . . . . . . . . . . . . .
Outdoor Fan Clearances
5
. . . . . . . . . . . . . . . . . . . . . . . .
Compressors
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Electric Heat
5
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Performance
7
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Sequence of Operation
10
. . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Parts List
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General
These instructions explain the recommended method of
installation of the heat pump unit, and associated electri
cal wiring.
This unit is designed and approved for use as a self−con
tained air to air outdoor heat pump system.
The units are factory equipped with a transformer and
blower control for applications without auxiliary heat. Elec
tric heat accessory kits (ECH29) can be ordered for field
installation of additional heat where required.
These instructions, and any instructions packaged with
mating components and/or accessories, should be care
fully read prior to beginning installation. Note particularly
any CAUTIONS or Notes in these instructions and all la
bels on the units.
These instructions are intended as a general guide only for
use by qualified personnel and do not supersede any na
tional or local codes in any way. Compliance with all local,
state, provincial or national codes pertaining to this type of
equipment should be determined prior to installation.
Litho U.S.A.
