12
221992D
Diagram 4.7
WATER CONNECTIONS - GRAVITY
DOMESTIC, PUMPED HEATING
ALTERNATIVE
HEATING
RETURN
With distributor
tube (not shown)
ALTERNATIVE
HEATING OR
DOMESTIC
HOT WATER
FLOW
GRAVITY
DOMESTIC
RETURN TO
ANY OF THE
3 REMAINING
LOWER CONNECTIONS
9859
4.6 Water Connections - Gravity Domestic and
Pumped Heating
Fit suitable fittings into the boiler tappings, see diagram 4.7.
Make sure that all pipes are taken backwards and will clear the
casings, see diagram 1.1.
Heating flow: Any one of the four upper connections may be
used.
Domestic flow: Any one of the three remaining upper connections
may be used.
Heating return: The water distributor tube must be fitted into
either of the front lower connections on all installations, see
diagram 4.8. This tube is in the fittings pack.
Domestic return: Any one of the three remaining lower
connections may be used for the gravity domestic hot water
return.
Fit plugs into any unused boiler tappings.
4.7 Water Connections - Fully Pumped
Systems
Fit suitable fittings into the boiler tappings as required, see
diagram 4.9. Make sure that all pipes are taken backwards and
will clear the casings.
It is important that all connections are made as shown in
diagram 4.9.
Fit the water distributor tube into the return connection, see
diagram 4.8. This tube is in the fittings pack.
Fit plugs into any unused boiler tappings.
4 Installation
Diagram 4.6
FOAM SEAL
FOAM SEAL
WALL THICKNESS-
OVER 300mm
15mm
WALL THICKNESS-
UP TO 300mm
Q-35mm
Q
Q
7102
WITH WALL LINER KIT ONLY
Diagram 4.9
WATER CONNECTIONS FULLY
PUMPED SYSTEMS
9859
ALTERNATIVE
FLOW
POSITIONS
ALTERNATIVE
RETURN
POSITIONS
With distributor
tube (not shown)
DISTRIBUTOR TUBE
Diagram 4.8
1076
UPPER
MARKER
DISTRIBUTOR
TUBE
must be in
pumped return
connection
UPPER MARKER
must lie between the
two outer NOTCHES
