Shipping And Packing List; General; Requirements - Lennox KHC092 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.
KHC units have 7-1/2, 8-1/2, and 10-ton cooling
capacities. Optional electric heat is available.
Units are equipped with a supply air inverter. The blower
will operate at lower speeds when cooling demand is
low and increase to higher speeds when cooling
demand is high. Refer to Supply Air Start-Up sections.
Availability of units and options varies by brand.

Requirements

The KHC unit is ETL/CSA certified for outdoor
installations only at the clearances to combustible
materials listed on unit nameplate and in figure 1.
Installation of KHC heat pumps must conform with
standards in National Fire Protection Association (NFPA)
"Standard for Installation of Air Conditioning and Ventilating
Systems NFPA No. 90A," "Standard for Installation of
Residence Type Warm Air Heating and Air conditioning
Systems NFPA No. 90B," local municipal building codes
and manufacturer's installation instructions.
NOTICE
Roof Damage!
This system contains both refrigerant and oil.
Some rubber roofing material may absorb oil,
causing the rubber to swell. Bubbles in the rubber
roofing material can cause leaks. Protect the roof
surface to avoid exposure to refrigerant and oil
during service and installation. Failure to follow
this notice could result in damage to roof surface.
The National Electric Code (ANSI/NFPA No. 70-1984) is
available from:
National Fire Protection Association
1 Batterymarch Park
PO Box 9101
Quincy, MA 02269-9101
be consulted before
Page 3
UNIT CLEARANCES
Optional
Outdoor
Air Hood
D
A
FIGURE 1
1 Unit
A
in.(mm)
Clearance
Service 60
Clearance (1524)
Minimum Opera­ 36
tion Clearance (914)
Note - Entire perimeter of unit base requires support when elevated above
mounting surface.
1 Service Clearance - Required for removal of serviceable parts.
Minimum Operation Clearance - Required clearance for proper unit operation.
The KHC unit is ETL/CSA certified as a heat pump with
cooling and with or without auxiliary electric heat for
non-residential use only at the clearances to combustible
materials as listed on the unit nameplate and in figure 1.
Installation of ETL/CSA certified units must conform with
current standard C273.5 "Installation Requirements for
Heat Pumps" and applicable local codes. Authorities
having jurisdiction should
installation.
Use of this unit as a construction heater or air conditioner
is not recommended during any phase of construction.
Very low return air temperatures, harmful vapors and
operation of the unit with clogged or misplaced filters will
damage the unit.
If this unit has been used for heating or cooling of
buildings or structures under construction, the following
conditions must be met or the warranty will be void:
S A room thermostat must control the unit. The use of
fixed jumpers that will provide continuous heating or
cooling is not allowed.
S A pre-filter must be installed at the entry to the return
air duct.
S The return air duct must be provided and sealed to
the unit.
S Return air temperature range between 55°F (13°C)
and 80°F (27°C) must be maintained.
C
B
B C D
in.(mm) in.(mm) in.(mm) Clearance
36 36 60
(914) (914) (914)
36 36 36
(914) (914) (914)
be consulted
Top
Unob­
structed
Unob­
structed
before