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Installation Instructions
PACKAGED GAS / ELECTRIC UNITS
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Printed in U.S.A.
Code: PGF3
PGF3 Series
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International Comfort Products, LLC
Lewisburg, TN. 37091
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07−29−09
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Related Manuals for International comfort products PGF3 Series
Summary of Contents for International comfort products PGF3 Series
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Page 1: Table Of Contents
....... . 20 - 21 International Comfort Products, LLC 462 01 1101 01 07−29−09... -
Page 2: Unit Dimensions
1. UNIT DIMENSIONS 2−1/2 TO 5 TON 2 TON RETURN Detail BASE PAN − CHASSIS ALL DIMENSIONS IN INCHES Connections Detail É É É É É É É É É É É É BASE RAIL BASE RAIL CONNECTION 1/2`` PIPE É... -
Page 3: Safe Installation Requirements
2. SAFE INSTALLATION REQUIREMENTS FIRE, EXPLOSION, ELECTRICAL SHOCK, AND CARBON Installation and servicing of air−conditioning equipment can MONOXIDE POISON HAZARD be hazardous due to system pressure and electrical Failure to carefully read and follow all instructions in this components. Only trained and qualified personnel should manual could result in furnace malfunction, property install, repair, or service air−conditioning equipment. -
Page 4: Locating The Unit
3. LOCATING THE UNIT Minimum Clearances FIGURE 1 ACCESS PANELS See FIGURE 1 for a general view of unit and location of access panels. 36” 30” 2” CARBON MONOXIDE POISONING HAZARD. Supply Failure to follow this warning could result in personal Air Duct Return injury and/or death. -
Page 5: Hoisting
HOISTING Heating Vent Assembly FIGURE 3 NOTE: All access panels MUST be secured in place before hoisting. Attach with 2 screws Flue Pipe The unit should be hoisted with two lifting slings. Attach the slings to rigging shackles that have been hooked through holes in the base rail. -
Page 6: Gas Supply And Piping
existing vent system may be oversized for the remaining Gas Pipe Size, Length and Btu/hr Capacity FIGURE 6 appliances. for Schedule 40 Iron Pipe (English) NATURAL GAS 5. GAS SUPPLY AND PIPING Pipe Length kW** (Includes NOTE: Because there are many types of liquified petroleum ″... -
Page 7: Orifices
7. Provide a inch (3mm) National Pipe Thread (NPT) pressure testing of that system at test pressures in excess plug for test gauge connection immediately upstream of of .5 psi (3.5kPa). the gas supply connection to the furnace if none is The unit must be isolated from the gas supply piping system supplied with the gas valve of unit. -
Page 8: Electrical Wiring
Changing Orifices 7. Remove the orifices from the manifold with a ″ box end or socket wrench. 8. Check to be sure that the size of each orifice is correct for the Btu input desired. ELECTRICAL SHOCK, FIRE AND/OR EXPLOSION HAZARD FIGURE 8 Manifold/Orifice Measurement... - Page 9 CAUTION For 2 to 3−1/2 Ton Models Only: A single stage thermostat is required for proper operation. REDUCED EQUIPMENT LIFE HAZARD Thermostat must have the following terminals: ”R”, ”W”, ”Y”, and ”G”. Some electronic thermostats use low voltage Failure to follow these precautions could result in from the unit for power for temperature display and damage to the unit being installed.
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Page 10: Ductwork
NOTE: Wiring MUST be installed so it is protected from permitted. If flexible connectors are used, they should be possible mechanical damage. protected from potential mechanical damage such as punctures and tears. 7. DUCTWORK NOTE: When connecting the supply and return plenums to Ductwork Sizing the unit, make sure that the plenums are sealed against the side casing of the unit and do not interfere with removal of... -
Page 11: Airflow Adjustment
8. AIRFLOW ADJUSTMENT ELECTRICAL SHOCK HAZARD. Failure to follow this warning could result in property damage, personal injury, and/or death. Turn off electric power supply at disconnect switch or service panel before removing access or service panels from unit. NA = Not Allowed for Heating Speed. CIRCULATING AIR BLOWER SPEEDS Factory−Shipped Blower Tap Connections FIGURE 12... -
Page 12: Start-Up Procedures
Verify that the proper blower speeds for heating and cooling 9. START−UP PROCEDURES are selected on the blower motor by removing the blower access panel and inspecting the blower motor. The motor has 4 speeds numbered ”1”, ”2”, ”3”, and ”4”. The wires for the speed selection are as follows: FIRE OR EXPLOSION HAZARD Heating... -
Page 13: Heating Start-Up Procedures
HEATING START−UP PROCEDURE FIGURE 14 Gas Pressures 1. Adjust thermostat setting above room temperature and set thermostat selector to HEAT. The combustion air Natural Gas LP Gas blower should come ON. 2. The combustion air blower wil run for 15 seconds to Minimum 4.5″W.C. -
Page 14: Operation
For this example, the nameplate input is 100,000 Btu/hr, so Refer to FIGURE 16 for proper DIP switch settings. only a minor change in manifold pressure is required. In no 2. Operate the furnace and ensure that the blower turns case should the final manifold pressure vary more than ON and OFF at the appropriate time to provide the +−... - Page 15 heating or cooling performance, and of compressor remove all access panels and the top from the unit if failures. possible . Condenser Fan Motor HEATING SEASON CHECKS (MONTHLY) Note: The condenser fan motor is permanently lubricated. Main Burner Flame No further lubrication is required. Do not attempt to Flames should be stable and solid blue, (dust may cause lubricate the condenser fan motor.
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Page 16: Inspection And Cleaning
INSPECTION AND CLEANING OF BURNER 12. Turn gas on and check for leaks. ASSEMBLY/HEAT EXCHANGERS/FLUE GAS 13. Install all access panels, turn power on and check for PASSAGES normal operation. For Qualified Service Technician Only REFRIGERANT CIRCUIT See NO TAG for identification of parts. For Qualified Service Technician Only 1. - Page 17 IGNITOR CONTROL SERVICE CODES...
- Page 18 Component Locations FIGURE 18 Secondary Limit Switch Primary Limit Switch Burners Secondary Limit Switch 4 & 5 Ton Models Secondary Limit Switch 2 to 3−1/2 Ton Models Rollout Switch Sparker Flame Sensor Primary Limit Switch IFM and Speed Selector Leads Gas Valve...
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Page 19: Rigging
11. Rigging Instructions FIGURE 19 Rigging Instructions...