Glow-worm 45/2 Back Boiler - Manual (Page 11)

11 221780A
5 Electrical Wiring
5.4 Testing - Electrical
Checks to ensure electrical safety must be carried out by a
competent person.
After installation of the system, preliminary electrical system
checks as below should be carried out,
1. Test insulation resistance to earth
of mains cable.
2. Test the earth continuity and short
circuit of all cables.
3. Test the polarity of the mains.
5.5 Control Box Refitting
Refit the control box making sure that the control thermostat
capillary is positioned so that it passes through the cutout in the
control box panel, see diagram 5.2.
Secure with screw previously removed, see diagram 5.2.
Refit the gas valve electrical plug.
5.6 Control Thermostat Phial
Unwind the capillary so that it will be well clear of any part of the
back boiler which becomes hot and insert it fully into the pocket,
see diagram 5.6.
Secure with location washer behind the split pin.
If the phial pocket is on the right hand side use the cable clips
supplied in the fittings pack. Secure the capillary, see diagram
5.1. Check that the capillary is not touching any hot surfaces.
Diagram 5.5
Diagram 5.6
1870
8021
PHIAL
POCKET
RETAINING
SPLIT PIN
LOCATION
WASHER
CONTROL
BOX
FLOOR
PROTECTION
PLATE
CONTROL
THERMOSTAT
CAPILLARY
8082
Diagram 5.4
N L
E
N
GAS VALVE
BLUE
BLACK
E N
THERMOSTAT
NC C
BROWN
BLACK
VIEW OF PLUG
WHEN REMOVED
GREEN/YELLOW
230V ~ 50Hz
MAINS SUPPLY
FUSED AT 3 AMP
GREEN/
YELLOW
L
Ls