Glow-worm Inset BBU50 - Manual (Page 14)

14 221723B
Diagram 5.5
N
E
L
6181
MAINS
SUPPLY
PLUG
CONTROL BOX
SOCKET
CONTROL
BOX
5.2 Thermostat Phial
Unwind the capillary avoid kinking. Route the capillary well clear
of any part of the back boiler which becomes hot. Use the
capillary clips, supplied. Secure the capillary and push the phial
into the pocket, see diagram 5.4. Again make sure that the
capillary is not touching the casting.
NOTE: When fitting the phial into the phial pocket use the heat
sink compound supplied in the fittings pack.
5.3 Boiler Control Box
Taking care that the POWER IS OFF, wire the incoming mains
cable to the mains plug supplied in the fittings pack. Do not
connect the mains supply plug to the control box socket, see
diagram 5.5.
NOTE: The ignition sequence is fully automatic and will
commence when mains voltage is applied.
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.
4. With the mains supply off. Plug the mains supply plug into the
control box socket, see diagram 5.5.
5 Electrical Wiring
Diagram 5.4
8031
LEFT HAND CLIPPING POSITIONS A and B
RIGHT HAND CLIPPING POSITIONS C and D
OVERHEAT
CUT-OFF
DEVICE
(sealed
systems only)
CONTROL
THERMOSTAT
PHIAL
A
B
C
D
(Left hand water connection shown)