User guide

18
MAIN POWER ON
CONTINUE CHECK FOR ALL AS
LONG AS BOILER IS POWERED
RUN TO ON
PUMP ON AND PRE-HEAT ON
THEN WAIT FOR 1 - 1.5 MINUTES
CALL LED RED
ALARM LED FLASHING
IS TEMP
SWITCH OPEN
I.E. FAULTY OR
BOILER OVER
TEMP
DO BOTH
THERMISTOR BEADS
READ SAME VALUE I.E.
TEMPERATURE
CONTINUE CHECK FOR A
FURTHER 2 MINUTES
SWITCH OFF PRE-HEAT ,POWER
UP AND MODULATE BOILER
RUN TO OFF
BOILER POWERS DOWN
IS WATER IN
BOILER BELOW
70ºC/75ºC
KEEP PUMP RUNNING
OR PUMP ON
ALARM LED FLASHING
(NO WATER OR INSUFFICIENT
WATER FLOW)
PUMP OFF
YES
NO
NO
YES
NO
YES
FIGURE FOURTEEN: OPERATION OF THE C SERIES ISSUE 5 BOILER