Louisville Tin and Stove VCR702A-H ユーザーズマニュアル

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  Not enough heat
1.  Heater undersized.
1.  This is especially true when a dwelling or  room is
     enlarged.  Have the heat loss calculated and compare
     to the heater output (70% of input).  Your gas company
     or installer can supply you with this information.  If
     heater is undersized, replace with correct size unit.
2.  Temperature dial set too low.
2.  Raise setting of temperature dial.  See “Lighting and
     Shutting Down Instructions”.
3.  Incorrect gas supply pressure.
3.  Check gas supply pressure and regulator pressure as
     outlined above.
  Too much heat
1.  Temperature dial set too high.
1.  Lower setting of temperature dial.  See “Lighting and
     Shutting Down Instructions”.
2.  Combination control valve sticks open.
2.  Replace combination control  valve.
    SYMPTOM
      POSSIBLE CAUSES
                       CORRECTIVE ACTION
TROUBLE SHOOTING CHART  - POOR HEATING RESULTS - Cont’d.
  Burner won’t light
1.  Pilot flame too large or too small.
1.  Re-adjust pilot flame using adjustment on combination
     control valves (See Fig. 1 & 1A).
2.  Defective combination control valve.
2.  Replace valve.
  Pilot outage
1.  Dirt in pilot orifice.
1.  Clean pilot orifice with air or solvent, do not ream.
2.  Pilot lighter door open.
2.  Close pilot lighter door.
3.  Defective automatic pilot section in
3.  Replace combination control valve.
     combination control valve.
4.  Defective thermocouple.
4.  Replace thermocouple.
5.    Vent  safety  shut  off  system.
5.  See “Venting” section.
  Pilot will not stay lit
1.  Pilot flame too large or too small.
1.  Re-adjust pilot flame using adjustment on combination
  when control knob
     control valves (See Fig. 1 & 1A).
  is released
2.  Defective thermocouple.
2.  Replace thermocouple.
3.  Defective gas valve.
3.  Replace gas valve.
4.  Loosen connections at spill switch or
4.  Tighten connections.
     ECO on gas valve.
TROUBLE SHOOTING CHART - AUTOMATIC PILOT & VALVE
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