Справочник Пользователя для State Industries GS675YRVLT

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Please check guidelines below.  For your safety, water heater service should be performed only by a qualified service technician.  
Read the GENERAL SAFETY INFORMATION section first.
INTELLI-VENT TROUBLESHOOTING CHART - RESIDENTIAL CONTROL
 
 
 
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solutIon
 
 
Inadequate or no earth ground  
1. Ensure the wall outlet is properly grounded.
 
sensed by the Intelli-Vent™
 
 
control. 
2. Ensure all ground connections/wires on the 
 
 
 
  water heater are secure.
 
 
 
 
 
 
Power supply to Intelli-Vent™ 
1. Ensure the wall outlet is properly wired.
 
control has reversed polarity or a
 
 
high resistance to earth ground. 
2. Ensure all internal 120 VAC wiring connections and 
 
 
 
  wiring harness have no reversed wires. 120 VAC
 
 
 
  “hot” wire must connect to the on/off switch.
 
 
 
3. Ensure the wall outlet is properly grounded.
 
4. Ensure all ground connections/wires on the water
 
 
  heater are secure.
 
 
Pressure switch circuit remaining 
1. Ensure air pressure switch circuit wiring is correct
 
closed for more than 5 seconds 
  and the air pressure switch is not jumpered.
 
 
after heating cycle begins.
 
 
Blower does not start. 
2. Secure power to water heater, check continuity of air
 
 
 
  pressure switch contacts with wires disconnected.
 
 
service note: 
 
 
Disconnect power - disconnect one 
  A  If pressure switch contacts show continuity (closed
 
 
wire from the air pressure switch 
    circuit) replace the pressure switch.
 
 
or the vent temperature limit
 
 
switch. Turn power back on - 
  B  If pressure switch contacts are open and all wiring
 
 
blower should start. 
    is correct - turn the power off for 10-20 seconds
 
 
 
    then on again to clear the error code - if the error
 
 
 
    code persists replace the Intelli-Vent™ control.
 
 
 
 
 
Pressure switch circuit remains open 
1. Ensure the blower is running - check for 120 VAC to
 
longer than 5 seconds after the blower 
  the blower when the heating cycle begins, check the
 
 
is energized. 
  wiring. If the control does not energize the blower -
 
 
 
  replace the Intelli-Vent™ control. If the blower fails to
 
 
Blower may run continuously in  
  start when energized - replace the blower assembly.
 
 
this condition. 
 
 
 
2. Ensure the air pressure switch sensing tube is properly 
 
 
 
  connected - not kinked or damaged.
 
 
 
3. Check continuity of vent temperature limit switch - replace
 
 
 
  switch if contacts remain open under 160ºF (71°C).
 
 
 
 
 
 
4. Ensure the correct size of vent pipe (2”, 3”, 4”) was used
 
 
service note: 
  per installation manual for vent length. Ensure maximum
 
 
To learn more about performing Air 
  number of elbows or equivalent feet of vent pipe has not
 
 
Pressure Switch tests visit our web 
  exceeded maximum limits.
 
 
site www.hotwater.com to download
 
 
technical bulletin A-023-06 Air Pressure 
5. Ensure there are no obstructions in the vent pipe.
 
 
Switches. 
 
 
 
6. Check air pressure switch performance - check pressure
 
 
 
  with a digital manometer - check continuity of contacts.
 
 
 
  (see service note in left column) If the switch proves  
 
 
 
  defective - replace the air pressure switch and or the
 
 
 
  blower assembly as required.
 
 
 
7. If air pressure switch performance test results prove
 
 
 
  the air pressure switch is working properly and error
 
 
 
  code 4 persists - replace the Intelli-Vent™ control.
 
 
The Intelli-Vent™ control has detected 
1. Check wiring to the hot surface ignitor - replace ignitor
 
an open ignitor circuit. 
  assembly if wiring is damaged or worn.
 
 
 
 
 
service note: 
2. Check ignitor assembly plug and the socket on the
 
 
The resistance (ohms) of a hot surface 
  Intelli-Vent™ body for good connection. Replace
 
 
ignitor will increase over time. If the 
  ignitor assembly and/or control if necessary.
 
 
resistance at room temperature is near 
 
 
 
18.8 ohms - consider replacing the ignitor  3. Check resistance of ignitor at room temperature 77ºF 
 
 
as a preventative measure. 
  (25°C) at the plug end. Replace ignitor if resistance
 
 
 
  is not within 11.5 and 18.8 ohms at room temperature.
 
 
 
 
 
 
4. If results from the above tests were good and error
 
 
 
  code 5 persists - replace the Intelli-Vent™ control.
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