20
istor system store -
Installation and Servicing
INSTALLATION
Gas cock
(shown in the
open position)
GAS IN
ist7329
Fibre washer
IMPORTANT.
The gas service cock is sealed with a
non-metallic fibre washer so must not be
overheated when making capillary
connections.
1.
Extend a gas supply pipe of not less
than 15mm O.D. copper to the
boiler.
A working gas pressure of 20mbar
(8" w.g) should be available at the
boiler inlet, with the boiler firing at
full DHW output.
17 GAS CONNECTION
16 CH WATER CONNECTIONS
Central Heating connections
Refer to the Note in Frame 14 for
guidance.
IMPORTANT
Do not subject any of the isolating
valves to heat as the seals may be
damaged.
INST
ALLA
TION
159979-7.pmd
7/14/2005, 12:44 PM
20
Summary of Contents for istor HE260
Page 2: ...2 istor system store Installation and Servicing 159979 7 pmd 7 14 2005 12 44 PM 2 ...
Page 65: ...65 istor system store Installation and Servicing NOTES 159979 7 pmd 7 14 2005 12 46 PM 65 ...
Page 66: ...66 istor system store Installation and Servicing NOTES 159979 7 pmd 7 14 2005 12 46 PM 66 ...