Glow-worm Ultracom2 cxi - Manual (Page 16)

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INSTALLATION
• Only use original seals supplied with the appliance.
• Check that there are no leaks. Repair if necessary.
1
2
3
4
5
6
7
8
6
7
Key
1 Heating return isolating valve + sealing washer ¾"
2 Cold water inlet isolating valve + sealing washer ¾"
3 Gas service isolating valve with pressure test point + sealing
washer ½"
4 Domestic hot water outlet isolating valve + sealing washer ¾"
5 Heating flow isolating valve + sealing washer ¾"
6 Connection Ø O.D. 22 mm
7 Connection Ø O.D. 15 mm
8 Gas connection Ø O.D. 15 mm
• Use only the original gas cock GER/1 DN15, CE-0085 CL
0082
• Use only the olive and flat seal washer supplied with the gas
cock.
• Remove the protective caps from the boiler connections.
• Flush out the domestic hot water and the heating systems.
i Before turning on the cold mains supply to the boiler
turn off the cold water inlet to the boiler, lock the filling
loop in the closed position and close its filling taps.
8.2 Safety Discharge Valve
B
A
2
1
3
Key
1 Compression elbow
2 PRV pipe
3 Draining outlet
A PRV outlet - to outside
b Appliance drain tap
This must be extended, using not less than 15mm o.d. pipe,
to discharge, in a visible position, outside the building, facing
downwards, preferably over a drain.
To ease future servicing it is advisable to use a compression
type fitting to extend the safety discharge valve tube.
The pipe must have a continuous fall and be routed to a
position so that any discharge of water, possibly boiling,
or steam cannot create any danger to persons, damage to
property or external electrical components and wiring.