69
3) Sail switch is fluttering ...
a) Lint screen is dirty or is not being cleaned often enough.
b) Restriction in the exhaust.
4) Failed burner hi-limit...opens at incorrect temperature.
5) Gas supply may have too low a heating value.
ELECTRIC MODELS ...
1) Not enough make-up air.
2) Restriction in the exhaust ...
3) Lint screen is dirty or is not being cleaned often enough.
4) Impellor (fan/blower) is rotating in the wrong direction only
(for 3ø Models ONLY)
.
5) Failed electric element(s).
6) Sail switch is fluttering ...
a) Restriction in the exhaust.
b) Sail switch is not adjusted properly.
STEAM MODELS ...
1) Low steam pressure.
2) Insufficient make-up air.
3) Lint screen is dirty or is not being cleaned often enough.
4) Restriction in the exhaust.
5) Dirty steam coil ...
a) Fins are clogged with lint.
6) Steam damper system is not functioning properly.
a) Steam damper is sticking closed.
b) Leak in the pneumatic (air) system.
7. Extractors (water) are not functioning properly.
8. Failed lint chamber hi-heat switch (thermostat)...opens at incorrect temperature.
Содержание Gas/Electric/Steam AD-75HS
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