Lennox International Inc. T-CLASS TM SEPARATED COMBUSTION UNIT HEATERS 사용자 설명서

 

Page 15 

1-  STOP! Read the safety information at the beginning 

of this section. 

2-  Set thermostat to lowest setting. 

3-  Turn off all electrical power to appliance. 

4-  This appliance is equipped with an ignition device 

which automatically lights burner. DO NOT attempt 
to light the burners manually.     

 

FIGURE 12 

 

 

 

 

 

 

5-  Turn knob on gas valve 180° either way to OFF.    

6-  Wait five minutes to clear out any gas. If you then 

smell gas, STOP! Immediately call your gas 
supplier from a neighbor's phone. Follow the gas 
supplier's instructions. If you do not smell gas go to 
next step.  

7-  Turn knob on gas valve 180° either way to ON. 

8-  Close unit door. 

9-  Turn on electrical power to unit. 

10- Set thermostat to desired setting. 

11-  The combustion air blower will start. The burners 

will light within 40 seconds. 

12- 

If unit does not light first time (gas line not fully 

purged) it will attempt up to two more ignitions 
before locking out. 

13- If lockout occurs, repeat steps 1 through 10. 

14- 

If appliance still will not operate, follow the 

instructions “To Turn Off Gas to Unit" and call 
your service technician or gas supplier. 

1- STOP! Read the safety information at the beginning 

of this section. 

2-  Set the thermostat to lowest setting. 

3- Turn off all electrical power to appliance. 

4- This appliance is equipped with an ignition device 

which automatically lights burner.  DO NOT 
attempt to light the burners manually. 

5- Depress knob on gas valve; knob will snap to OFF. 

6- Wait five minutes to clear out any gas. If you then 

smell gas, STOP! Immediately call your gas 
supplier from a neighbor’s phone. Follow the gas 
supplier’s instructions. If you do not smell gas go 
to next step. 

7- Turn knob on gas valve 90° counterclockwise to 

ON. 

8- Close unit door. 

9- Turn on electrical power to unit.  

10- Set the thermostat to desired setting. 

11- The combustion air blower will start. The burners 

will light within 40 seconds. 

12- If unit does not light first time (gas line not fully 

purged) it will attempt up to two more ignitions 
before locking out. 

13- If lockout occurs, repeat steps 1 through 10. 

14- 

If appliance still will not operate, follow the 

instructions “To Turn Off Gas to Unit" and call 
your service technician or gas supplier.