Shipping And Packing List; General - Lennox LHT180 Installation Instructions Manual

Shipping and Packing List

Package 1 of 1 contains:
1- Assembled unit
Check unit for shipping damage. Receiving party should
contact last carrier immediately if shipping damage is found.

General

These instructions are intended as a general guide and
do not supersede local codes in any way. Authorities
having jurisdiction should
installation.
LHT packaged heat pump and LDT packaged dual-fuel
units have identical refrigerant circuits with respective 15-
and 20-ton cooling capacities. Units contain two
compressors; compressor
compressor 2 is fixed speed.
Units are equipped with factory-installed fin/tube outdoor
coils.
Optional electric heat is factory- or field-installed in LHT
units.
The LDT unit is available in 169,000, 260,000,
360,000, and 480,000 Btuh heating inputs.
Units are available with multi-staged air volume.
Units use R410A, an ozone-friendly HFC refrigerant.
Refer to the Cooling Start-Up section for precautions
when installing unit.
WARNING
Electric shock hazard and danger of
explosion. Can cause injury, death or
product or property damage. Turn off
gas and electrical power to unit before
performing
servicing operations on the unit. Follow
lighting instructions attached to unit
when putting unit back into operation
and after service or maintenance.
LHT/LDT180, 240
be consulted before
1 is two-speed and
any maintenance or
Requirements
See figure 1 for unit clearances.
UNIT CLEARANCES
Optional
Outdoor
Air Hood
D
1 Unit
A
in.(mm)
Clearance
Service 60
Clearance (1524)
Clearance to
36
Combus­
(914)
tibles
Minimum
36
Operation
(914)
Clearance
Note - Entire perimeter of unit base requires support when elevated above
mounting surface.
1 Service Clearance - Required for removal of serviceable parts.
Clearance to Combustibles - Required clearance to combustible material
(dual-fuel units). On LHT units, see clearance to combustible materials
outlined on heater rating plate.
Minimum Operation Clearance - Required clearance for proper unit operation.
Page 4
C
B
A
FIGURE 1
B C D
in.(mm) in.(mm) in.(mm)
36 36 66
(914) (914) (1676)
1 (25) 1 (25) 1 (25)
36 36 41
(914) (914) (1041)
Top
Clearance
Unob­
structed
Unob­
structed
Unob­
structed