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48PD05,06
48PG03---16
Gas Heating/Electric Cooling Rooftop Units
with PURONR (R---410A) Refrigerant
User’s Information M anual
NOTE T O INSTALLER:
This manual should be left with the equipment owner.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS 1.........................
DETERMINE TYPE OF UNIT CONTROL 2...............
TO LIGHT UNIT 2....................................
Units With Electro--Mechanical Control 2.................
Units With ComfortLinkt Control 3.....................
TO SHUT UNIT OFF 6................................
Units With Electro--Mechanical Control 6.................
Units With ComfortLinkt Control 6.....................
MAINTA INING YOUR UNIT 9..........................
ROUTINE MAINTENANCE AND CARE FOR THE
EQUIPMENT OWNER 9...............................
Air Filter(s) 9.......................................
Alarm Status (Units with ComfortLink Control) 10..........
Integrated Gas Controller (IGC) 10.......................
Combustion Area and Vent System 10....................
Heat Exchanger 10...................................
Evaporator, Condenser and Combustion Fan Motors 10.......
Indoor Fan, Belt and Pulleys 10.........................
Indoor Fan Shaft Bearings (Sizes 03--14) 10................
Indoor Fan Shaft Bearings (Size 16) 10...................
Refrigerant Circuits 10................................
Evaporator and Condenser Coils 10......................
Condensate Drain 10.................................
Compressors 11.....................................
Condenser Fan 11....................................
Electrical Controls and Wiring 11........................
Unit Panels 11......................................
REGULAR DEALER MAINTENANCE 11................
BEFORE YOU CALL FOR SERVICE CHECK FOR
SEVERAL EASILY S OLVED PROBLEMS 11..............
If insufficient heating or cooling is suspected 11.............
If your unit is not operating at all 11......................
IN CASE OF TROUBLE 11.............................
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
or use can cause fire, electrical shock, or other conditions which
may cause personal injury or property damage. Consult a qualified
installer, service agency or your distributor or branch for
information or assistance. The qualified installer or agency must
use factory--authorized kits or accessories when modifying this
product. Refer to the individual instructions packaged with the kits
or accessories when installing.
Follow all safety codes. Wear safety glasses and work gloves.
Have fire extinguishers available.
Recognize safety information. This is the safety --alert symbol
.
When you see this symbol on the furnace and in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and
CAUTION. These words are used with the safety--alert symbol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death. WARNING signifies a hazard
which could result in personal injury or death. CAUTION is used
to identify unsafe practices which may result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability, or
operation.
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personal
injury, death and/or property damage.
Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
What to do if you smell gas:
1. DO NOT try to light any appliance.
2. DO NOT touch any electrical switch or use any
phone in your building.
3. Leave the building immediately.
3. IMMEDIATELY call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions.
4. If you cannot reach your gas supplier, call the fire
department.
Installation and service must be performed by a
qualified installer, service agency or the gas supplier.
!
WARNING