9 replacement of parts, 10 fault finding - electrical – Glow-worm Hideaway 40CF User Manual

Page 20

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20

221807B

9 Replacement of Parts

PHIAL ASSEMBLY REMOVAL

Diagram 9.8

LOCATION STUD

SECURING NUT

6298

PHIAL

PHIAL ASSEMBLY

9.10 Flue Blockage Safety Device

Gain access as Section 8.1.

Remove the electrical connections, see diagram 9.6

Remove capillary from cable clips, see diagram 9.7.

To remove the phial assembly, first gain access through flue
cleaning door as Section 8.1.

Unscrew securing nut and withdraw the phial assembly from the
location stud, see diagram 9.8.

Remove the safety device securing locknut complete with phial
assembly, see diagram 9.6.

10.1 Electrical

Refer to functional flow diagram 10.1, electrical fault finding
chart, diagram 10.2 and wiring diagram 9.2.

IMPORTANT. The preliminary electrical system checks
contained in a multimeter instruction book are the first checks
to be carried out during and fault finding procedure. On
completion of the service fault finding task which has required
the breaking and remaking of electrical connections then checks.
earth continuity, polarity and resistance to earth must be
repeated.

10.2 Thermocouple

To test the thermocouple a meter with a range 0 to 30mV is
required together with a thermocouple interrupter test unit
similar to the British Gas Multimeter and interrupter.

Refer to thermocouple fault finding chart, diagram 10.3 and
diagnosis graph, diagram 10.4.

10.3 Pilot and Ignition

Refer to pilot and ignition fault finding chart, see diagram 10.6
and 10.3.

10.4 Flue Blockage Safety Device

If the device operates it indicates there is a problem with the
chimney. Make sure that the air vents are free from obstruction.
Carry out spillage checks as BS5440 Part 1 and put right as
necessary.

FUNCTIONAL FLOW WIRING

Diagram 10.1

0900

C

N/C

L

N

RED

BLUE

ORANGE

3

4

GAS VALVE
CONTROL
SOLENOID

THERMOSTAT

10 Fault Finding - Electrical

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