INSTALLATION
14
Mexico Slimline CF440 -
Installation & Servicing
Notes.
a.
Isolating valves must be fitted as close to the pump
as possible.
b.
The boiler is not suitable for use with a direct hot
water cylinder.
c.
Gravity connections MUST be at least 28 mm (1").
d.
The front top and bottom plugged connections MUST
NOT BE USED.
e.
2 spare blanking off plugs are provided in the
Hardware Pack, for use as necessary in the rear flow
or return water connections.
1.
Connect the system flow and return pipework to the
boiler as appropriate.
Refer to Frames 3 and 4 for guidance on system design.
2.
Ensure that all valves are open.
Fill and vent the system and check for water soundness.
13 WATER CONNECTIONS
1.
A MINIMUM working gas pressure of 20 mbar (8 in.w.g.)
MUST be available at the boiler inlet, with the boiler
operating.
2.
Extend a gas supply pipe NOT LESS THAN 15mm (
1/2
") OD
to the boiler and connect to the gas cock situated at the
bottom LH side of the boiler. Attachment to the gas supply
may be either left or right hand.
3.
Test the gas installation for soundness and purge in
accordance with BS.6891: 1988. Refer to Frame 24.
12 GAS CONNECTION
INST
ALLA
TION
200946-1.p65
3/9/2004, 3:30 PM
14
