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12

3. Place blue wire on the HIGH, MED or LOW motor speed tap, 

as desired.

4. Place red wire on any of the other motor speed taps.

5. Reconnect power.

At the Furnace Control Board

1. Place red wire on the UNUSED terminal.

2. Place blue wire (with piggyback terminal) on the COOL 

terminal.

3. Place the factory supplied violet jumper wire from the COOL 

terminal to the HEAT terminal.

To Select Different Speeds for COOL and HEAT

At the Blower Motor Connector

1. Disconnect power.

2. Remove blower access panel.

3. Place blue wire on the HIGH, MED or LOW motor speed tap, 

as desired for COOLING.

4. Place red wire on any of the other motor speed taps for 

HEATING.

At the Unit Control Board

1. Remove and discard the violet jumper wire from the COOL 

terminal to the HEAT terminal.

2. Place blue wire on the COOL terminal.

3. Place red wire on the HEAT terminal.

4. Replace blower access panel.

5. Reconnect power.

Shut Down the Furnace

1. Set the room thermostat to the lowest setting.

2. Disconnect power.

3. Remove burner access panel.

4. Shut off the gas by moving the gas control knob to the OFF 

position.

5. Replace the burner access panel.

Gas Control Valve

Sequence of Operation

Heating

Upon call for heat, the fan control energizes the combustion 
blower. Once the pressure switch closes, the ignition sequence 
begins. The fan control will sense when the main operator of gas 
valve has been energized thereby firing the burners and starting 
the “delay on” timing sequence of the indoor blower. If the control 
senses that one of the safety limits has opened, the combustion 
and indoor circulating air blowers will operate until the limit(s) 
resets.

Cooling

The compressor and condenser fan will start immediately. The 
indoor blower will start after a delay of 5 seconds. After the 
thermostat is satisfied, the fan control will operate the blower for 
30 seconds after the compressor and condenser fan turn OFF.

Factory Setting Heat/Cool Speeds

Unit

Heat

Cool

WPG124, 130, 136, 148, 230, 236

MED

MED

WPG248A125

MED

MED

WPG142, 160, 242

MED

HIGH

WPG260A125

MED

HIGH

WPG224

LOW

MED

WPG248A100

MED

LOW

1. Gas control knob
2. 

¹⁄₈

in. NPT Outlet pressure tap

3. 

¹⁄₈

in. NPT Inlet pressure tap

4. Regulator adjusting cap

NPT Inlet

NPT Outlet

3

4

2

1

Summary of Contents for WPG

Page 1: ... Accessories 16 20462103 Whirlpool Home Cooling and Heating 7901 S W 6th Court Plantation Florida 33324 Model WPG You can be killed or seriously injured if you don t immediately follow instructions You can be killed or seriously injured if you don t follow instructions All safety messages will tell you what the potential hazard is tell you how to reduce the chance of injury and tell you what can h...

Page 2: ...nly in a location and position as specified in the Location Requirements section of these instructions Never test for gas leaks with an open flame Use a commercially available soap solution made specifically for the detection of leaks to check all connections as specified in the Make Gas Connections section of these instructions Always install furnace to operate within the furnace s intended tempe...

Page 3: ...ired if the furnace is placed near certain rooms Minimum Clearances High Altitude Installations This furnace is approved for operation at altitudes from 0 to 2 000 ft above sea level without any required modifications For installations above 2 000 ft the furnace input rate is to be reduced per the requirements of the National Fuel Gas Code ANSI Z223 1 NFPA 54 latest edition at the rate of 4 percen...

Page 4: ...nace is shipped in one package completely assembled and wired The indoor thermostat and accessories are shipped in a separate carton when ordered 1 Check the unit rating plate to confirm specifications are as ordered 2 Upon receipt of equipment carefully inspect it for possible shipping damage Take special care to examine the unit inside the carton if the carton is damaged If damage is found it sh...

Page 5: ...ns and may also be field converted for downflow use To convert to downflow use 1 Remove blower access panel and heat exchanger access panel 2 Remove the 2 downflow duct cover plates 2 screws found in the return and supply air compartments 3 Using the 2 screws from each duct cover plate and the 8 screws in the provided literature bag install the previously removed duct cover plates on the horizonta...

Page 6: ...se of flexible non combustible connectors between the main trunk ducts and the supply and return air plenums is recommended to minimize vibration transmission Plenums must be individually sealed to unit casing with ducts terminating inside the structure Flashing used to cover ductwork must permit removal of access panels and top See Minimum Clearances in the Locations Requirements section Large ch...

Page 7: ...e burner and control compartment See Bottom Electrical Entry graphic Plug unused side entry holes with field supplied plugs to prevent moisture from entering the unit Low voltage wiring must be separated from line voltage wiring Line Voltage Connections 1 Disconnect power 2 Remove the burner access panel 3 Remove the 3 screws that attach the electrical connection box cover and remove the box 4 Rou...

Page 8: ...out any required modifications For installations above 2 000 ft the furnace input rate is to be reduced per the requirements of the National Fuel Gas Code ANSI Z223 1 NFPA 54 latest edition at the rate of 4 percent for each 1 000 ft above sea level Do not adjust manifold pressure An orifice change is required to adjust input rate For the correct orifice size refer to the table following At altitud...

Page 9: ...own in Side Gas Pipe Entry and Bottom Gas Pipe Entry sections 2 Provide a sediment trap on the outside of the furnace section 3 Install a manual gas shutoff valve in the gas line outside the unit in accordance with any local codes 4 Install a test gauge connection with a in NPT plugged tapping immediately upstream of the manual gas shutoff valve as shown 5 Connect the gas pipe to the furnace contr...

Page 10: ...or natural gas and 13 in W C for propane gas IMPORTANT If the inlet gas supply pressure is not within the minimum and maximum range as shown on the rating plate contact your gas supplier 9 Turn off the electrical power to the furnace 10 Turn off the gas supply at the manual gas shutoff valve Remove the pressure gauge tube and the in hose connector 11 Replace the inlet pressure tap plug on the gas ...

Page 11: ...not be adjusted to the value on the unit rating plate contact your gas supplier 10 Move the gas control knob to the OFF position 11 Disconnect the pressure gauge from the in NPT outlet pressure tap 12 Replace outlet pressure tap plug and the regulator adjusting cap on the gas valve 13 Move the gas control knob to the ON position 14 Replace the burner access panel 15 Set the room thermostat to the ...

Page 12: ...access panel 4 Shut off the gas by moving the gas control knob to the OFF position 5 Replace the burner access panel Gas Control Valve SequenceofOperation Heating Upon call for heat the fan control energizes the combustion blower Once the pressure switch closes the ignition sequence begins The fan control will sense when the main operator of gas valve has been energized thereby firing the burners ...

Page 13: ...s the circulating air blower the combustion blower the compressor contactor and any accessories connected to it Gas Control Valve The gas control valve regulates the manifold gas pressure and turns the gas flow on and off TROUBLESHOOTING Furnace Fails to Operate Properly Review Sequence of Operation and visually inspect the following before troubleshooting Is the power to the furnace on Is the man...

Page 14: ...14 Wiring Diagram Single Phase ...

Page 15: ...15 Wiring Diagram Three Phase ...

Page 16: ...sories ask for the appropriate part number listed below or contact your Whirlpool Home Cooling and Heating dealer Part Number Accessory Model s 20490601 Propane Conversion Kit All 20490701 High Altitude Kit with propane conversion All 20462103 2003 All rights reserved Honeywell and SmartValve are trademarks of Honeywell International Inc TM Whirlpool and all other trademarks are owned by Whirlpool...

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