Table of Contents
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Installation Instructions
PACKAGED GAS / ELECTRIC UNITS
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Printed in U.S.A.
Code: PGX3
PGX3 Series
3 Phase
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International Comfort Products, LLC
Lewisburg, TN. 37091
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Related Manuals for International comfort products PGX3 Series
Summary of Contents for International comfort products PGX3 Series
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Page 1: Table Of Contents
....... . 20 - 23 International Comfort Products, LLC Lewisburg, TN. 37091 509 01 2601 02 8−13−09... -
Page 2: Unit Dimensions
‘‘B’’ CHASSIS UNIT DIMENSIONS 1. Unit Dimensions Units in ‘‘B’’ Chassis Configuration COMBINATION GAS/ PGX336 ELECTRIC UNITS ‘‘B’’ Chassis x 47 ”B” ”C” 32−1/2 47−3/8 1203 47−3/8 1203 3−1/8 11−1/8 14−1/4 14−1/4 ”A” ”I” 3/4 & 1 19 & 25 ”E”... - Page 3 ‘‘C’’ CHASSIS UNIT DIMENSIONS ”B” ”C” ”T” ”A” COMBINATION GAS/ ELECTRIC UNITS ‘‘C’’ Chassis ”I” x 73) ”E” 47−3/8 1203 ”G” 1354 ”H” 4−5/8 ”D” ”M” 18−3/4 18−3/4 ”R” ”F” RETURN 1 & 1−1/4 25 & 31 4−1/4 5−1/4 ”J” ”S”...
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Page 4: Safe Installation Requirements
2. SAFE INSTALLATION REQUIREMENTS We require these instructions as a minimum for a safe installation. Installation and servicing of air−conditioning equipment can be hazardous due to system pressure and electrical components. Only trained and qualified personnel should FIRE, EXPLOSION, ELECTRICAL SHOCK, AND CARBON install, repair, or service air−conditioning equipment. -
Page 5: Locating The Unit
Models with a ”1” in the twelfth position of the model number Minimum Clearances and Access Panels are dedicated Low NOx units designed for California FIGURE 1 (B Chassis Shown) installations. The emissions of these models do not exceed 40 nanograms of nitrogen oxide emissions per joule of heat Blower Compartment Panel output as shipped from the factory, and must be installed in California Air Quality Management Districts or any other... -
Page 6: Hoisting
hoisting. Heating Vent Assembly FIGURE 3 The unit should be hoisted with two lifting slings. Attach the slings to rigging shackles that have been hooked through Flue Support holes in the base rail. (Shipped mounted to unit) Two spreader bars MUST be placed on top of the unit to protect the unit from damage from the pressure exerted by Flue Cover the slings. -
Page 7: Pre-Existing Common Vent Check
4. PRE−EXISTING COMMON VENT CHECK Gas Pipe Size, Length and Btu/hr Capacity FIGURE 5 for Schedule 40 Iron Pipe (English) If the installation of this new combination gas heat/electric NATURAL GAS cool unit involves removing an existing gas−fired furnace Pipe Length Btu/hr (in thousands) from a common vent system with other gas−fired (Includes... -
Page 8: Orifices
previously serviced another gas appliance. Always use a LEAK CHECK /PRESSURE TESTING OF GAS SUPPLY PIPING new listed connector. FIRE OR EXPLOSION HAZARD FIRE OR EXPLOSION HAZARD Failure to do so could result in personal injury, death Failure to follow the safety warnings could result in per- and/or property damage. -
Page 9: 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 10 CAUTION 2. Remove the electrical access panel. 3. Locate the 24V control transformer. REDUCED EQUIPMENT LIFE HAZARD 4. Remove wires from the terminal labeled “240V” on the 24V control transformer and reconnect them to the Failure to follow these cautions could result in damage 208V terminal of the 24V control transformer.
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Page 11: Ductwork
THERMOSTAT HEAT ANTICIPATOR barrier installed around it. The insulation and vapor barrier must be protected against potential damage. Caulking, Some thermostats have an adjustable heat anticipator. The flashing, and other means of providing a permanent heat anticipator prevents temperature overshoot in heating weather seal must be used. -
Page 12: Airflow Adjustment
8. AIRFLOW ADJUSTMENT NA = Not Allowed for Heating Speed. -
Page 13: Start-Up Procedures
CIRCULATING AIR BLOWER SPEEDS Factory−Shipped Blower Tap Connections FIGURE 11 NOTE: Indoor blower motor is 230v single phase, see wiring diagram for details. ELECTRICAL SHOCK HAZARD. Failure to follow this warning could result in personal injury, death and/or property damage. Turn off electric power supply at disconnect switch or service panel before removing access or service panels from unit. -
Page 14: Gas Pressures
NOTE: Adjustment screw cover MUST be placed on gas valve before reading manifold pressure and operating furnace. FIRE OR EXPLOSION HAZARD. Failure to follow this warning could result in personal injury and/or death. FIRE AND/OR EXPLOSION HAZARD Turn OFF gas at shut off before connecting U-tube manometer. Failure to follow this warning could result in personal injury, death and/or property damage. - Page 15 will normally be obtained when the unit is operating at rated input with the recommended blower speed. FIRE AND/OR EXPLOSION HAZARD The temperature rise must be within the specifications marked on the unit rating plate. Failure to follow this warning could result in personal To check the temperature rise through the unit, place ther- injury, death, and/or property damage.
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Page 16: Operation
10. OPERATION directly into the heat exchanger tubes and the turbulators should glow orange (after about five minutes of operation). Main burner flame should be inspected monthly. Normal Flame FIGURE 16 ELECTRICAL SHOCK HAZARD. Failure to follow this warning could result in personal injury, death and/or property damage. -
Page 17: Inspection And Cleaning
VENT ASSEMBLY INSPECTION AND CLEANING OF BURNER ASSEMBLY/HEAT EXCHANGERS/FLUE GAS CAUTION PASSAGES For Qualified Service Technician Only BURN HAZARD. See FIGURE 17 for identification of parts. Failure to follow this caution may result in personal 1. Disconnect electrical power to unit. injury or property damage. -
Page 18: Component Location
Component Locations FIGURE 17 Remote Sparker Unit Control Low Voltage Connections Burners Flame Sensor Gas Valve Sparker Rollout Switch IFM and Speed Primary Limit Selector Leads Switch... -
Page 19: Rigging
12. Rigging Instructions FIGURE 18 Rigging Instructions... -
Page 20: Wiring Diagrams
ALL 208/230 Volt Models Wiring Diagram... - Page 21 All 208/230 Volt Models Wiring Diagram...
- Page 22 ALL 460 Volt Models Wiring Diagram...
- Page 23 All 460 Volt Models Wiring Diagram...