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Instructions for Installation of Oil 

Furnace Circulating Fan Upgrade Kits 

 

For Furnace Models: 

CHB68-112 

   

 

CHC68-96 

  

 

CLBF68-112   
CLBR68-112

 

 

Failure to follow these instructions exactly may result in a fire or 

explosion causing property damage, personal injury or loss of life.

 

DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity of 
this or any other appliance. 
 
What to do if you find an oil leak: 
 

• 

DO NOT try to operate this appliance. 

• 

If possible, close the manual fuel shutoff valve on the oil supply tank. 

• 

Immediately call your oil supplier. Follow the oil supplier’s instructions. 

• 

If you cannot reach your oil supplier, call the fire department. 

 
A qualified installer, service agency, or the oil supplier must perform installation and 
service.

  

 

These instructions should be:  

• 

read prior to installation. 

• 

retained for qualified service personnel 

• 

reviewed before performing any service or maintenance.

 

 

Crown Boiler Company 

3633 “I” Street 

Philadelphia, Pennsylvania 19134

 

 

 
XX-XXX     

ECNXXXX  

Содержание CHB68-112

Страница 1: ...if you find an oil leak DO NOT try to operate this appliance If possible close the manual fuel shutoff valve on the oil supply tank Immediately call your oil supplier Follow the oil supplier s instructions If you cannot reach your oil supplier call the fire department A qualified installer service agency or the oil supplier must perform installation and service These instructions should be read pr...

Страница 2: ...Blower Motor Assembly WARNING If the heating system was recently operating allow the furnace to cool to room temperature before proceeding with disassembly WARNING BEFORE disconnecting the furnace wiring harness at the blower terminal block use a voltmeter or equivalent device to measure the electrical potential across the red and white wires and the orange and white wires at the terminal block No...

Страница 3: ...nel Then remove two 2 sheet metal screws located about seven 7 inches back from the front surface of the furnace driven downward through the blower support panel and into the support angles refer to Figure 1 Show depiction here of highboy blower compartment blower assy retaining screws and mounting angles and rails ID components Figure 1 Blower Assembly Retaining Screw Locations on the Highboy Oil...

Страница 4: ...tat ID components Figure 3 Blower Assembly Retaining Screw Locations on the Horizontal Counterflow Oil Furnace 5 Remove the entire blower motor assembly from the furnace Set it aside On highboy models pull forward and slide the blower out of the furnace On lowboy models lift up slightly and pull the blower out of the rear of the furnace o On horizontal counterflow models lift and pull the blower o...

Страница 5: ...counterflow models set the blower down in the furnace and center it over the blower support panel opening 2 Reinstall the fasteners fixing the blower mounting angles or legs in place On highboy models align the holes in the support angles with the holes in the blower support panel Drive two 2 sheet metal screws downward through the blower support panel holes and into the holes in the support angle...

Страница 6: ... ON 6 Adjust the room thermostat to cause the furnace to operate through at least one 1 complete heating or cooling cycle to test operation of the blower Setting the thermostat to the FAN or FAN ON position should cause the blower to run continuously on high speed 7 The blower should accelerate from rest to full speed within about ten 10 seconds or less Blower operation should be smooth without cl...

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