Lennox 12CHP060 Installation Instructions Manual
Lennox 12CHP060 Installation Instructions Manual

Lennox 12CHP060 Installation Instructions Manual

12chp series units
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E1998 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
06/03
*2P0603*
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
General
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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.
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504,176M
*P504176M*
Litho U.S.A.
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Summary of Contents for Lennox 12CHP060

  • Page 1: Table Of Contents

    INSTALLATION  INSTRUCTIONS E1998 Lennox Industries Inc. Dallas, Texas, USA 12CHP SERIES UNITS PACKAGED HEAT PUMP UNIT (2−5 TONS) 504,176M 06/03 Litho U.S.A. Supersedes 01/00 Table of Contents Shipping & Packing List ......
  • Page 2: Unit Dimensions

    26 1/2 12CHP030 12CHP036 23 3/4 31 1/4 12CHP036 12CHP042 12CHP042 23 3/4 31 1/4 12CHP048 12CHP048 23 3/4 31 1/4 12CHP060 12CHP060 23−3/4 31−1/4 BLOWER INDOOR COIL DOWN FLOW DOWN FLOW SUPPLY AIR OPTIONAL RETURN AIR OPENING ELECTRIC OPENING...
  • Page 3: Parts Arrangement

    Parts Arrangement OUTDOOR FAN OUTDOOR COIL BLOWER TRANSFORMER INDOOR BLOWER MOTOR COMPRESSOR DEFROST CONTROL BLOWER CONTROL CONTACTOR HEATER BLOCKOFF CAPACITOR (FOR OPTIONAL ELECTRIC HEAT) FIGURE 1 Requirements Clearances In the U.S., units may be installed on combustible floors made from wood or class A, B, or C roof covering material. WARNING In Canada, units may be installed on combustible floors.
  • Page 4: Rigging & Setting Unit

    Rigging & Setting Unit TYPICAL CONDENSATE DRAIN Exercise care when moving the unit. Do not remove any Minimum Pitch packaging until unit is near the place of installation. A sling 1" (25 mm) per 10’ assembly may be used to lift the unit. Spreaders which are (3 m) of line longer than the largest dimension across unit MUST be UNIT...
  • Page 5: Outdoor Fan Clearances

    Outdoor Fan Clearances OPTIONAL ELECTRIC HEAT INSTALLATION Figure 4 illustrates the critical measurements of the out door fan system. This dimension should be checked and fan adjusted accordingly anytime servicing of the outdoor fan system is required. OUTDOOR FAN CLEARANCES UNIT MODEL NO.
  • Page 6 Page 6...
  • Page 7 Page 7...
  • Page 8: System Performance

    Unit must be grounded with separate ground conductor. general guide. These tables should not be used for charg ing the unit. Minor variations in these pressures may be The unit wiring diagram is located inside the unit access expected due to differences in installations. Significant panel.
  • Page 9: Sequence Of Operation

    TABLE 4 NORMAL OPERATING PRESSURES −− COOLING MODE 80°F db / 67°F wb AIR TEMPERATURE ENTERING OUTDOOR COIL (°F) RETURN AIR MODEL PRESSURE 65° 70° 75° 80° 82° 85° 90° 95° 100° 105° 110° 115° 125° 12CHP−024 12CHP−030 12CHP−036 SUCTION SUCTION 12CHP−042 12CHP−048...
  • Page 10: Maintenance

    Adjustments − 12CHP060 Only Repair Parts List 12CHP060 units are equipped with a variable speed indoor blower motor. The blower speed is factory−set and should When ordering parts, include the complete model number not require field adjustment; however, air volume can be in and serial number which are printed on the rating plate lo creased by 5 percent, if necessary.

This manual is also suitable for:

12chp04812chp04212chp03612chp03012chp024

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