Functional Flow - Glow-worm Economy Plus 41 319 04 Installation & Servicing Instructions Manual

ELECTRICAL continued
Continued
NO
Turn ON thermostat;
Is there 240V between 7 and N ?
YES
Does pump run ?
YES
With thermostat set to MAX. allow appliance
temperature to reach max.
When appliance cuts out on temp. is there
240V between 7 and N ?
YES
With Remote Controls NOT Calling for Duty
does pump stop when the appliance has
cooled down ?
YES
CONTROLS IN ORDER
11.8 Electrical
IMPORTANT. On completion of the service/fault
finding task which has required the breaking and
remaking of electrical connections then the checks, earth
continuity, polarity and resistance to earth must be
repeated, using suitable multimeter.
To check the boiler thermostat and multifunctional
control (gas valve) see diagram 11.3 and functional flow
wiring diagram 11.4.
PERMANENT
LIVE BRN
L 9
240V
50 Hz
FUSED
AT 3A
RED LINK
(If no switch
control is used)
MAIN TERMINAL
STRIP
THERMOSTAT
TERMINALS

FUNCTIONAL FLOW

Supplied By www.heating spares.co Tel. 0161 620 6677
11 Fault Finding
Continued
NO
NO
NO
NO
YES
BROWN
SL
SWITCH
CONTROL
(If used)
3
COMBINED
THERMOSTAT
AND PUMP
OVERRUN
Faulty Cable (PURPLE) between thermostat
and terminal block, repair or renew.
Faulty pump, inform customer
Faulty thermostat, renew.
MAIN TERMINAL STRIP
THERMOSTAT TERMINALS
To check thermostat pump over run circuit see
diagram 11.3 and functional flow wiring diagram 11.4.
11.9 Pilot
Refer to fault finding for pilot, see diagram 11.5.
Solenoid
RED
BRN
GAS
VALVE
PURPLE
6 9 8
7
7
BLUE
8
BLUE
23
Diagram 11.3 continued
2415
BLUE
L
TO
PUMP
N
N
BLUE
N
Diagram 11.4
220459C