Page 4
KG/KC 024, 030, 036, 048, 060, 072, 074, 090
CAUTION
Danger of sharp metallic edges. Can cause injury.
Take care and wear protective clothing when
servicing unit to avoid accidental contact with
sharp edges.
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 be consulted
before installation.
The KG units are available in three heating inputs. The KC
cooling packaged rooftop unit is the same basic design as
the KG unit except for the heating section. Optional
electric heat is available for KC units. KG and KC units
have identical refrigerant circuits with respective 2, 2-1/2,
3, 4, 5 and 6 ton cooling capacities. In addition, KG/KC
units are available with 7-1/2 tons of cooling.
KGA/KCA 036, 048 & 060 units are equipped with a
fin/tube condenser coil. KGA/KCA072, 090 and
KGB/KCB024, 030, 036, 048, 060, 072, 074 units are
equipped with a lightweight, all-aluminum condenser coil.
Availability of units and options varies by brand.
Requirements
See figure 1 for unit clearances.
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.
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 any maintenance or
servicing operations on the unit. Follow
lighting instructions attached to unit
when putting unit back into operation
and after service or maintenance.
IMPORTANT
The Clean Air Act of 1990 bans the intentional vent
ing of refrigerant (CFC's and HCFC's) as of July 1,
1992. Approved methods of recovery, recycling or
reclaiming must be followed. Fines and/or incar
ceration may be levied for non-compliance.
UNIT CLEARANCES
C
D
B
A
FIGURE 1
1Unit
Clearance
A
in.(mm)
B
in.(mm)
C
in.(mm)
D
in.(mm)
Top
Clearance
Service
Clearance
48*
(1219)
36
(914)
36
(914)
36
(914)
Unob
structed
Clearance to
Combustibles
36
(914)
1
(25)
1
(25)
1
(25)
Unob
structed
Minimum Opera
tion Clearance
36
(914)
36
(914)
36
(914)
36
(914)
Unob
structed
*KC 090 unit A dimension is 36” (1219mm).
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
(gas units).
Minimum Operation Clearance
- Required clearance for proper unit operation.
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:
A room thermostat must control the unit. The use of
fixed jumpers that will provide continuous heating or
cooling is not allowed.
A pre-filter must be installed at the entry to the return
air duct.
The return air duct must be provided and sealed to
the unit.
Return air temperature range between 55°F (13°C)
and 80°F (27°C) must be maintained.
Air filters must be replaced and pre-filters must be
removed upon construction completion.
The input rate and temperature rise must be set per
the unit rating plate.
