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ADDITIONAL SAFETY INFORMATION

INSTALLATION REQUIREMENTS

These instructions are intended as a general guide only for use by 
qualified persons. Compliance with all local, state, or national 
codes pertaining to this type of equipment should be determined 
prior to installation.

Read this entire instruction manual, as well as the instructions 
supplied in separate equipment, before starting the installation.

The installation of the furnace, wiring, warm air ducts, venting, 
etc., must conform to the requirements of the National Fire 
Protection Association; the National Fuel Gas Code, ANSI 
Z223.1/NFPA No. 54 (latest edition) and the National Electrical 
Code, ANSI/NFPA No. 70 (latest edition) in the United States, and 
any state laws, local ordinances (including plumbing or 
wastewater codes), or local gas utility requirements. Local 
authorities having jurisdiction should be consulted before 
installation is made. Such applicable regulations or requirements 
take precedence over the general instructions in this manual.

Tools and Parts

Gather the required tools before starting installation. Read and 
follow the instructions provided with any tools listed here.

Tools needed

Parts needed

Check local codes and with gas supplier. Check existing gas 
supply, electrical supply, and venting, and read “Electrical 
Requirements,” “Gas Supply Requirements,” and “Ductwork 
Requirements” before purchasing parts.

SAVE THESE INSTRUCTIONS

IMPORTANT SAFETY INSTRUCTIONS

■  

Use only with type of gas approved for this furnace.  
Refer to the furnace rating plate. 

■  

Install this furnace only 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 temperature-rise range with a duct system 
which has an external static pressure within the 
allowable range, as specified in the “Complete 
Installation” section of these instructions. 
See furnace rating plate.

■  

The furnace is not to be used for temporary heating of 
buildings or structures under construction.

The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to publish a list of substances 
known to the State of California to cause cancer, birth defects, or other reproductive harm, and requires businesses to warn of 
potential exposure to such substances.

WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects, or other 
reproductive harm.

This appliance can cause low-level exposure to some of the substances listed, including benzene, formaldehyde, carbon 
monoxide, toluene, and soot.  

In the State of Massachusetts, the following installation instructions apply:

■  

Installations and repairs must be performed by a qualified or licensed contractor, plumber, or gasfitter qualified or licensed by 

the State of Massachusetts.

■  

If using a ball valve, it shall be a T-handle type.

■  

A flexible gas connector, when used, must not exceed 3 feet.

Pipe wrenches

Screwdriver

Tape measure

Thread sealant

Noncorrosive leak detection solution

Test gauge with 

¹⁄₈

" NPT connection

(for measuring gas supply pressure)

Summary of Contents for W2PG

Page 1: ...11 Adjust Blower Speed Variable Speed Motor Only 12 Measure Temperature Rise 13 Shut Down 13 SEQUENCE OF OPERATION 14 Cooling System 14 Heating System 14 Circulating Air Blower 14 Controls 15 TROUBLESHOOTING 15 ASSISTANCE OR SERVICE 19 Accessories 19 You can be killed or seriously injured if you don t immediately You can be killed or seriously injured if you don t follow All safety messages will t...

Page 2: ...n 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 temperature rise rang...

Page 3: ...eezing and snowfall the furnace should be elevated above the average snow line If the furnace is to be installed on a flat roof it should be on a platform or other support which will raise the base a minimum of 8 above the surface of the flat roof This furnace can be installed on combustible Class A Class B or Class C roof covering material Avoid placing a furnace near areas such as sleeping quart...

Page 4: ...nt protection minimum service ampacity and operating voltage See the wiring connection diagrams in Troubleshooting This furnace must be electrically grounded in accordance with National Electric Code ANSI NFPA 70 requirements applicable requirements of UL or local codes where applicable GasSupplyRequirements This furnace is equipped for use with Natural gas A conversion kit is required for use wit...

Page 5: ...cess panels must be secured in place before hoisting The furnace should be hoisted with 2 lifting slings Attach the slings to rigging shackles that have been hooked through holes in the lifting brackets Place 2 spreaders on top of the furnace to protect the furnace from damage from the pressure exerted by the slings Make sure that all equipment is rated to handle at least 750 lbs and that the slin...

Page 6: ...pplications to avoid accumulation of condensate under or around the furnace Install Condensate Trap 1 Construct the condensate trap from PVC tubing as shown in Condensate Trap Construction NOTES The condensate trap allows a standing column of water of at least 2 50 mm The top of the drain trap inlet must be at least least 1 25 mm above the top of the drain trap outlet The trap should be installed ...

Page 7: ... 99 1 m per min for disposable filters and 525 ft 160 m per min for cleanable filters MakeElectricalConnections IMPORTANT Electrical wiring disconnect means and over current protection are to be supplied by the installer Refer to the rating plate for the maximum over current protection minimum circuit ampacity and operating voltage See the wiring connection diagrams in Troubleshooting Install an a...

Page 8: ...e and Low Voltage Connections 1 Route the low voltage supply wires through the low voltage entry opening to the low voltage connection area providing sufficient length to connect to the low voltage pigtail leads 2 Using UL listed wire nuts connect the low voltage supply wires to the matching colors of the low voltage leads 3 Replace the burner access panel 4 Replace the blower access panel WARNING...

Page 9: ...close to the controls as possible to facilitate removal of controls and manifold Pipe joint compounds suitable for use with Natural and LP gas must be used Do not use Teflon tape Side entry is the usual method of routing the gas supply to the unit Use the factory provided grommet to seal the opening around the gas pipe preventing rain and moisture from entering the unit around the gas pipe and red...

Page 10: ...At altitudes above 4 500 ft the furnace input rate must not exceed that on the furnace rating plate reduced by 4 percent for each 1 000 ft above sea level 1 For Natural gas check the furnace rate by observing the gas meter making sure all other gas appliances are turned off The test hand on the meter should be timed for at least one revolution 2 The actual heating value of your gas can be obtained...

Page 11: ...n Be sure the exhaust vent is not blocked AdjustBlowerSpeedMulti SpeedMotorOnly You can choose the same speed or different speeds for COOL or HEAT NOTE See the wiring connection diagrams in Troubleshooting 1 If the temperature rise is too high change the speed tap to one step higher 2 If the temperature rise is too low change the speed tap to one step lower Blower Speed Tap Change Manifold Pressur...

Page 12: ...flow changes can be made by moving the position of the HEAT and COOL taps See Adjusting Airflow for Variable Speed Motor chart Continuous Blower The comfort level of the living space can be enhanced when using this feature by allowing continuous circulation of air between calls for cooling or heating The continuous circulation of air occurs at half the full cooling airflow rate To use this feature...

Page 13: ...er access panel 4 Turn off the gas supply at the manual gas shutoff valve 5 Replace the burner access panel Gas Control Valve Adjusting Airflow for Variable Speed Motor Model Motor HP ADJUST Setting HEAT Setting Cooling CFM 50 Static Nominal Cooling kBTU Heating Input kBTU COOL Setting A COOL Setting B COOL Setting C COOL Setting D 24 30 68 NORM A 1 000 800 600 900 36 68 NORM B 1 200 1 000 800 1 1...

Page 14: ...ition control 2 When the speed of the combustion blower reaches proper RPM the pressure switch closes initiating the pre purge timing 30 seconds nominal 3 When pre purge has expired the ignition control energizes the gas control valve the spark electrode and the flame sensor The igniter sparks for 10 seconds and the flame sensor senses that flame has been established If the flame sensor does not s...

Page 15: ...trol to close the gas control valve To reset push the button on top of the switch Auxiliary Limit 42 48 and 60 units only This control is located in the side of the circulation air blower housing The switch causes the ignition control to close the gas control valve should the circulation blower fail to operate This control resets automatically TROUBLESHOOTING Furnace Fails to Operate Properly Revi...

Page 16: ... Dual Capacitor Compressor Transformer C S R L1 CMB BLWR Spark Comb Air Blower Ignition Control BK W L2 L1 BK BR PR R R BK 208V 240V 24V Indoor Blower Motor BK S4 S1 K1 A3 GV1 S21 S18 S47 S10 T1 B3 B6 B4 K1 2 C12 B1 K1 1 A3 Ground BU Y LED Y E1 C4 Capacitor H M L C ACB Cool ACB Heat BK BU Jumper installed on some models See Blower Speed Chart For Wiring 208 230V 1 60 Wiring Connection Diagram Sing...

Page 17: ...BK BR PR R R BK 208V 240V 24V Indoor Blower Motor 5 4 3 See Blower Speed Chart BK S4 S1 K1 A3 GV1 S21 S18 S47 S10 T1 B3 B6 B4 K1 2 C12 B1 K1 1 A3 A54 B3 Ground BU Y A132 ADJUST HEAT COOL NORM TEST A B C D A B C D DIAGNOSTICS The following ignition control board LED codes will indicate normal or abnormal operations SLOW FLASH Normal operation no call for heat FAST FLASH Normal operation call for he...

Page 18: ...18 Typical Low Voltage Connections R R C C Y Y W THERMOSTAT OUTDOOR UNIT G G WITH ECONOMIZER C R R Y1 Y1 THERMOSTAT OUTDOOR UNIT ECONOMIZER Y W G G G Y2 BK C BU G Y2 W W OR Not Used WITHOUT ECONOMIZER ...

Page 19: ...nclude a daytime phone number in your correspondence Accessories To order accessories ask for the appropriate part number listed below or contact your Whirlpool Home Cooling and Heating dealer Part Number Accessory Model s 48193 004 ALPKT804 1 LP Conversion Kit W2PG324A068 through W2PG336A090 48193 005 ALPKT805 1 LP Conversion Kit W2PG342A083 through W2PG360B110 48193 001 ALIFT801 1 Lifting Bracke...

Page 20: ... Honeywell and SmartValve are trademarks of Honeywell International Inc Registered Trademark TM Trademark of Whirlpool U S A Manufactured under license by Tradewinds Distributing Company LLC Coconut Grove Florida 11 05 Printed in U S A ...

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