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INSTALLATION INSTRUCTIONS
RPGE/RGE Series
Gas Heating/Electric Cooling Package Unit
Save these instructions for future reference
WARNING
Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage.
Refer to this manual. For assistance or additional information, consult a qualified installer, service agency,
or the gas supplier.
TABLE OF CONTENTS
WARNING
Do not store combustible materials, including gasoline
INSTALLATION .........................
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Inspection INSTALLATION As soon as the unit is received, it should be inspected for These instructions must be hung on or near the furnace in a possible damage during transit. If damage is evident, the conspicuous place. extent of the damage should be noted on the carrier’s freight bill. A separate request for inspection by the carrier’s agent These furnace units are single package air conditioners with should be made in writing. gas heat designed for outdoor installation on a rooftop or a slab
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Clearances All units require certain clearances for proper operation and CAUTION service. Refer to Table 2 for the minimum clearances to Before lifting a unit, make sure that the weight is distributed combustibles required for construction, servicing, and proper equally on the cables so that it will lift evenly. unit operation. Clearance to combustibles below the unit flue is 10" since Exercise care when moving the unit. Do not remove any the flue points down. packaging until the unit is near
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Minimum horizontal clearance of 4' from electric meters, gas NOTE: meters, regulator, and relief equipment is required. If a gas furnace that’s connected to a common venting system is being removed when this package unit is installed, then read and follow the instructions in the “Removal of Unit from In addition to the above requirements, consideration must Common Venting System” section that follows. Otherwise, you be given to prevent unwanted ice buildup from the vent may skip this section. c
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Ductwork Ductwork should be designed and sized according to the Minimum Required Surface Area methods in Manual Q of the Air Conditioning Contractors of for Disposable Filters America (ACCA). A closed return duct system shall be used. This shall not preclude use of economizers or outdoor fresh air intake. It is recommended that supply and return duct connections at the unit be made with flexible joints. The supply and return air duct systems should be designed for the CFM and static requiremen
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Gas piping recommendations: WARNING • A drip leg and a ground joint union must be installed in Never use a flame to check for gas leaks. Explosion the gas piping. A ground joint union is recommended by causing injury or death may occur. the manifold/valve. • The furnace and its individual manual shutoff valve must • When required by local codes, a manual shutoff valve be disconnected from the gas supply piping system may have to be installed outside of the unit. during any pressure testing of
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LPG/Propane Units, Tanks, and Piping comply with all applicable codes. A fused disconnect switch Units are shipped equipped for natural gas, but can be should be field provided for the unit. The switch must be converted to LPG/propane in the field by an approved separate from all other circuits. If any of the wire supplied licensed technician. If conversion is required, use the with the unit must be replaced, replacement wire must be of approved conversion kit. the type shown on the wiring di
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To Light Main Burners: START-UP 1. Turn off electrical power to unit. For Your Safety Read Before Lighting 2. Turn the thermostat to lowest setting. CAUTION 3. Turn the gas valve knob to the “ON” position (see Figure 7). Furnace is equipped with a direct ignition control. Do not attempt to manually light the burners. 4. Turn on electrical power to the unit. 5. Set the room thermostat to the desired temperature. (If the thermostat “set” temperature is above room Pre-Start Check List temperature
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Manifold Gas Pressure Adjustment Regulator – Natural To check this pressure: Gas 1. Turn off gas valve. For purpose of input adjustment, the minimum permissible gas supply pressure is 5" w.c. for natural gas. 2. Remove plug on valve marked “OUTLET PRESSURE.” Gas input must never exceed the input capacity shown on 3. Install a water manometer. the rating plate. The furnace is equipped for natural gas rated inputs with manifold pressure of 3.5" w.c. 4. Turn on gas valve and initiate a call for he
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7. After reassembly of all parts is complete and all wires For maximum performance of the cooling system, operating are reconnected, open the main manual gas shutoff valve; temperatures and pressure should be checked. Superheat check for and correct any gas leaks. Turn electrical power should be determined at Standard ARI test conditions of 82°F on, initiate a call for heat, and check for proper burner outdoor and 80°F indoor dry bulb/67°F wet bulb. If superheat operation. measured deviates fr
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10-second interval, then the ignition control will de- High Altitude energize the gas valve. The input rate shown on the rating plate is for elevations up to 2000 feet. For elevations from 2001 to 4500 feet, the 6. The ignition control is designed to repeat this “trial for input rate is reduced by 5%. For elevations above 4500 feet, ignition” a total of three times. If, at the end of the third refer to the National Fuel Gas Code Z223.1 (latest edition) trial, flame still has not been establis
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Burners CONTROL SYSTEM DIAGNOSTICS To clean the burners, first remove them from the furnace as explained in Burner Instructions on page 9. Vacuum and/or Fault Codes brush as required. Fault LED Status Flashing Rate Description One flash Normal operaton: Vent Outlet Slow Flash per second No call for heat Visually inspect vent outlet periodically to make sure that there Two flashes Normal operation: is no buildup of soot or dirt. If necessary, clean to maintain Fast Flash per second Call f
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Wiring Diagram – Single Phase Figure 8 506271-01 Issue 0921 Page 13 of 14
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NOTES Page 14 of 14 Issue 0921 506271-01
