61
Normal
ORG – ORG DC 90 – 120 V
Normal
WHT – WHT 1 – 2.5 k
Ω
Normal
ORG – ORG 1 – 2.5 k
Ω
In case of abnormality
➞
Replace heating electromagnetic valve.
➁
Disconnect heating gas valve (GV1, CN08) connector, and measure resistance at connector.
In case of abnormality
➞
Replace outdoor unit PCB.
3) Check electromagnetic valve (GV2) of the combination gas valve.
➀
Measure DC voltage at electromagnetic valve connector (CN08) (under heating operation, during combustion).
In case of abnormality
➞
Replace heating electromagnetic valve.
➁
Disconnect heating electromagnetic valve connector (CN08), and measure resistance at connector.
Normal
AC 104 – 126 V
In case of abnormality
➞
Replace outdoor unit PCB.
4) Check proportional control valve (PV).
➀
Measure DC voltage at proportional valve connector (CN11) (under heating operation, during combustion).
In case of abnormality
➞
Replace flame rod.
5) Check flame rod.
➀
Check if flame rod connector (CN17, 1P) is connected properly.
➁
Measure AC voltage between flame rod connector and ground.
*
Use a circuit tester (set to
Ω
range).
*
Use a circuit tester (set to
Ω
range).
Normal
BLU – BLU DC 5 – 30 V
*
Use a circuit tester (set to DC range).
*
Use a circuit tester (set to AC range).
*
Use a circuit tester (set to DC range).
In case of abnormality
➞
Replace flame rod.
➂
Disconnect flame rod connector (CN17) and measure direct current at connector.
Normal
DC 2µA or more
*
Use a circuit tester (set to DC range).
12-6-6. Erroneous Flame-Out Condition
Failure Display on Outdoor Unit PCB:
●
●
● ●
● ●
●
➀
Check in same manner as “Failure Display
●
●
● ● ●
.”
Содержание CG1411
Страница 73: ...1 INSTRUCTION MANUAL KGS 1411 CG1411 APPENDIX ...