Справочник Пользователя для Vermont Casting DV360

37

 

 1.  Spark ignitor will not light 

A. Defective or misaligned  

Using a match, light pilot. If pilot lights, turn off    

     

  electrode at pilot. 

pilot and push the red button again.  If pilot will not  

     

   

light - check gap at electrode and pilot-   

 

     

   

should be 1/8” to have a strong spark.

     

B. Defective ignitor  

Push Piezo Ignitor Button. Check for spark at    

     

  (Push button) 

electrode and pilot. If no spark to pilot, and elec-  

     

   

trode wire is properly connected, replace ignitor.

 2.  Pilot will not stay lit after 

A.  Defective pilot generator 

Check pilot flame.  Must impinge on thermo- 

 

    carefully following  

  (thermocouple), remote wall   couple/thermopile.  Note: this pilot burner  

 

    lighting instructions. 

  switch 

assembly utilizes both-a thermocouple and a ther- 

     

   

mopile. The thermocouple operates the main valve  

     

   

operation (On and Off). Clean and or adjust pilot for  

     

   

maximum flame impingement on thermopile and  

     

   

thermocouple.

     

B. Defective automatic valve 

Turn valve knob to “Pilot”.  Maintain flow to pilot;   

     

   

milivolt meter should read greater than 10 mV.     

     

   

If the reading is okay and the pilot does not stay  on,  

     

   

replace the gas valve.  Note:  An interrupter block 

     

   

(not supplied) must be used to conduct this test.

 3.  Pilot burning, no gas to 

A. Wall switch or wires  

Check wall switch and wires for proper connections 

    main burner 

  defective 

Jumper wire accross terminals at wall switch, if    

     

   

burner comes on, replace defective wall switch. If  

     

   

okay, jumper wires across wall switch wires at valve,  

     

   

if burner comes on, wires are faulty or connections  

     

   

are bad.

     

B. Thermopile may not be 

1. Be sure wire connections from thermopile at gas  

     

  generating sufficient 

  valve terminals are tight and thermopile is fully  

     

  millivoltage 

  inserted into pilot bracket.

     

   

2. One of the wall switch wires may be grounded.  

     

   

  Remove wall switch wires from valve terminals if  

     

   

  pilot now stays lit, trace wall switch wiring for    

     

   

  ground. May be grounded to fireplace or gas    

     

   

  supply.

     

   

3. Check thermopile with millivolt meter. Take    

     

   

  reading at thermopile terminals of gas valve.    

     

   

  Should read 250-300 millivolts (minimum 150)  

     

   

  while holding valve knob depressed in pilot    

     

   

  position and wall switch “Off”.  Replace faulty   

     

   

  thermopile if reading is below specified minimum.

     

C. Plugged burner orifice. 

Check burner orifices for debris and remove.

     

D. Defective automatic valve  

Turn valve knob to “On”, place wall switch to “On”  

     

  operator. 

millivolt meter should read greater than 100 mV.  If  

     

   

the reading is okay and the burner does not come   

     

   

on, replace the gas valve.

 4.  Frequent pilot outage 

A. Pilot flame may be too low 

Clean and/or adjust pilot flame for maximum flame 

    problem. 

  or blowing (high) causing the  impingement on thermopile and thermocouple.

     

  pilot safety to drop out.

     

B. Possible blockage of the  

Check the vent terminal for blockage (recycling the  

     

  vent terminal. 

flue gases)