12
2000225116B
Diagram 4.7
WATER CONNECTIONS - GRAVITY
DOMESTIC, PUMPED HEATING
ALTERNATIVE
HEATING RETURN
With distributor
tube (not shown)
ALTERNATIVE
HEATING OR
DOMESTIC
HOT WATER
FLOW
(Thermistor
phial & pocket
must be
adjacent to
heating flow
connection)
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.
NOTE: It is recommended that plastic pipes for primary
pipework should not be used for this boiler.
Heating flow: Any one of the two upper connections may be
used.
Domestic flow: The remaining upper connection is 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 fitting pack.
Domestic return: Any one of the 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, see diagram 1.1.
NOTE: It is recommended that plastic pipes for primary
pipework should not be used for this boiler.
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 fitting 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
DISTRIBUTOR TUBE
Diagram 4.8
1277
UPPER
MARKER
DISTRIBUTOR
TUBE
MUST BE IN
PUMPED
RETURN
CONNECTION
UPPER MARKER must lie
between the two outer
NOTCHES
Diagram 4.9
WATER CONNECTIONS FULLY
PUMPED SYSTEMS
9859
ALTERNATIVE
FLOW
POSITIONS
(must be
adjacent to
THERMOSTAT
PHIAL
POCKET)
ALTERNATIVE
RETURN
POSITIONS
With distributor
tube (not shown)
