34
For Service Technicians
START BOILER
RENRUB TOLIP FISTHGIL RENRUB TOLIP FI
THGIL TON SEODTON OD SRENRUB NIAM TUB
ELPUOCOMREHT KCEHCV 42 ROF KCEHC
AT GAS VALVE
IF NO 24 V IF 24 V: IF O.K. IF DEFECTIVE
CHECK TRANSFORMER OUPUT REPLACE
ECALPER ECALPER EVLAV SAGV 42 ROF
GAS VALVE THERMOCOUPLE
IF NO IF 24 V:
24V:
REPLACEPROBLEM IN
TRANSFORMER LIMIT
CIRCUITS
70.?=4.,7H$?,9/492!47:?
(#H ' % For qualified
t
echnicians ONLY.