29
INSTALLATION
icos system - Installation and Servicing
FLUE OUTLET
nm8460
Piping
frame
Blue fibre washer
Compression
gas cock
(shown in the
open position)
GAS IN
The safety valve is located at the bottom RHS of the boiler.
The discharge pipe should be positioned so that the discharge of water or steam cannot create a hazard to the
occupants of the premises or damage the electrical components and wiring.
33
SAFETY VALVE DRAIN
32
GAS CONNECTION
IMPORTANT. The gas service cock is sealed with a non-metallic
blue fibre washer so must not be overheated when making capillary
connections.
Refer to Frame 2 for details of the position of the gas connection.
A boiler gas supply pipe length of 20m and not less than 15mm
O.D. can be connected to the boiler via the gas service cock union.
Ensure that the gas supply pipe does not foul the boiler casing.
Refer to Frame 42 or 'Servicing' for details of the pressure test point
position.
For additional gas supply information refer to "Gas Supply" on
Page 9.
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