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INSTALLATION AND MAINTENANCE INSTRUCTIONS
4PGE/SG(13,15) 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
SAFETY ...............................................................2
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SAFETY INSTALLATION These instructions must be hung on or near the furnace The following is a list of safety rules and precautions that in a conspicuous place. must be followed when installing this furnace. These units are single package air conditioners with gas heat 1. Use only with the type of gas approved for this furnace. designed for outdoor installation on a rooftop or a slab. Refer to the furnace rating plate. The units are completely assembled. All piping, refrigerant 2. Install this f
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Location • Air filters must be replaced upon construction completion. Use the following guidelines to select a suitable location for the unit. • The input rate and temperature rise must be set per the unit rating plate. 1. Unit is designed for outdoor installation only. Unit must be installed so all electrical components are protected • 100% outdoor air must be provided for combustion air from water. requirements during construction. Installation of this unit in its intended outdoor location w
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Roof Curb Installation Minimum Clearance to Combustibles If a roof curb is used, follow the manufacturer’s Installation Above and Below the Vent Hood Instructions and be sure that all required clearances are observed (see following Clearances section). Minimum Clearance Above Vent Hood: Distance from Top Roof Curb Assembly of Vent Hood to Top of Unit Minimum Clearance Below Vent Hood: Distance from Bottom of Vent Hood to Base of Unit Figure 2 Clearances All units require certain clearances for p
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a sidewalk, patio, or other walkway where the condensate could cause the surface to become slippery. WARNING The products of combustion must not be allowed to CARBON MONOXIDE POISONING HAZARD accumulate within a confined space and recirculate. Failure to follow the steps outlined below for each Vent Hood appliance connected to the venting system being The unit is shipped with the vent hood, screen, and sheet placed into operation could result in carbon monoxide metal screws packed in the plasti
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Condensate Drain 3. Slide duct cover out the side duct opening. The PGE/SG package unit is equipped with a 3/4" FPT coupling for condensate line connection. Plumbing must Filters conform to local codes. Use a sealing compound on male Air filters are to be used with this heating/cooling unit. Filters pipe threads. are not factory supplied in the unit. However, a filter frame accessory is available from the manufacturer that allows The condensate drain line must be properly trapped and routed to a
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The furnace must be isolated from the gas supply piping Minimum Required Surface Area system by closing the individual manual shutoff valve during for Disposable Filters any pressure testing of the gas supply piping system at test pressure equal to or less than 1/2 psig (3.5 kPa) or 14" W.C. Filter Area If the piping system is to be tested at pressures in excess of Nominal Cooling (sq. ft.) 1/2 psig (3.5 kPa), the furnace and its appliance main gas valve must be disconnected from the gas supply
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WARNING CAUTION Any conversion of a natural gas unit to propane gas must When connecting electrical power and control wiring to be done by qualified personnel using a conversion kit the unit, waterproof type connectors must be used so that available from the manufacturer, following the instructions water or moisture cannot be drawn into the unit during in the conversion kit. If done improperly, overfiring of the normal operation. burners and improper burner operation can result. This can crea
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Typical Wiring Connections WITHOUT ECONOMIZER WITH ECONOMIZER THERMOSTAT OUTDOOR UNIT THERMOSTAT OUTDOOR UNIT ECONOMIZER RR R R C C C BLUE Y1 YELLOW Y Y Y YELLOW W W W W G G G G GREEN BLACK Y2 ORANGE (Not Used) SINGLE PHASE THREE PHASE L2 L1 L3 L2 L1 GROUND GROUND SCREW SCREW POWER WIRING POWER WIRING 208/230-1-60 200/230-3-60, 460/575-3-60 (75°C MIN. WIRE) (75°C MIN. WIRE) POWER WIRING POWER WIRING 24V CONTROL WIRING 24V CONTROL WIRING (NEC CLASS 2) (NEC CLASS 2) CAUTION C Do not connect
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START-UP Gas Valves For Your Safety Read Before Lighting Regulator Gas Adjustment Control Cap Knob CAUTION Furnace is equipped with a direct ignition control. Do not attempt to manually light the burners. Pre-Start Check List Inlet Pressure Tap Outlet Pressure Tap 1/8" NPT (Manifold Pressure) Complete the following checks before starting the unit: 1/8" NPT 1. Check the type of gas being supplied. Be sure it is the same as listed on the unit nameplate. Regulator Gas Control Switch Adjustment 2.
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For Natural Gas: Check the gas input rate by observing OPERATION the gas meter, when available, making sure all other gas appliances are turned off. The test hand on the meter should Cooling System be timed for at least one revolution. Note the number of The cooling system is a complete factory package seconds for one revolution. utilizing an air-cooled condenser. The compressor is hermetically sealed and base mounted with rubber- insulated hold-down bolts. BTU/HR Cubic Feet Per Revolutio
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Insure unit is installed per manufacturer’s instructions and in the 10-second interval, then the ignition control will that line voltage and air flows are correct. Refer to Table 3 de-energize the gas valve. for proper superheat or subcooling values. Check superheat settings by measuring pressure at the suction line service 4. The ignition control is designed to repeat this “trial for port. For TXV systems, measure pressure at the liquid ignition” a total of three times. If, at the end of th
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Variable Speed Motor MAINTENANCE Units equipped with a variable speed circulation air blower motor will deliver a constant airflow within a wide range of external static pressures. Other features of this variable WARNING speed motor include: ELECTRICAL SHOCK, FIRE, Soft Start/Stop – The variable speed motor will slowly ramp OR EXPLOSION HAZARD up to normal operating speed. This minimizes noise and Failure to follow the safety warnings exactly could result increases comfort by eliminating the
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Burners CONTROL SYSTEM DIAGNOSTICS Light the burners and allow to operate for a few minutes to establish normal burning conditions. Observe the burner flames. Compare this observation to Figure 10 on page 14 to Fault Codes determine if proper flame adjustment is present. Flame should be predominantly blue in color and strong in appearance. LED Flashing Fault Check that all burners are lit, and that the flame does not Status Rate Description impinge on the sides of the heat exchanger. One flash N
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Figure 11 506488-01 Issue 1008 Page 15 Connection Diagram Single Phase – PSC Motor
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PRESSURE SWITCH Figure 12 Page 16 Issue 1008 506488-01 BLK HIGH PRESSURE SWITCH THERMOSTAT (IF USED) YEL BLU Y W1 G R C S1 S4 YEL IGNITION CONTROL CMB A3 CONTACTOR A132 L1 A3 BLWR IGNITION CONTROL YEL Y BLK 24VAC BLU RED R YEL C SPARK FUSE RED K1 R G L1 GROUND YEL E1 W L1 K1-1 LED C A54 HUM COMPRESSOR Y ICM BOARD CONTACTOR RED R TRANSFORMER BLK BLU T1 FLAME C1 SEE 1 625 4 3 B3 5 T1 BLOWER SPEED DUAL 4 EM 3 CHART CAPACITOR A132 W1 C12 BRN MAIN ADJUST HEAT COOL 208/230V-1-60 F INDOOR B6 O LIMIT N
