Technical data
Page 21
BOILERMATE
A-CLASS
OV
The position of the pipework connections is
shown opposite. The connection sizes and
dimensions are listed in Section 1.2 Technical
Data.
All the connections are also labelled on the
appliance. It is essential that the pipework is
connected to the correct connection.
Connections A, B, C, E and G are plain ended
copper pipe.
Connections D, F and H are compression
fittings.
Connection I is RC½ (½ in BSPT internal).
Connection J is a blanked copper pipe.
A - Safety open vent
B - Cold feed/expansion
C - Primary flow (from boiler)
D - Primary return (to boiler)
E - Central heating return
F - Central heating flow
G - Domestic hot water
H - Incoming mains cold water
I - Drain (valve is not provided with the
appliance)
J - Primary return for pumped summer
towel rail circuit
Note: The safety open vent and cold feed/
expansion should be connected to the
F & E cistern using the pipework assembly
provided.
All factory made joints should be checked
after installation in case they have been
loosened during transit.
The fittings for the feed and expansion cistern
should be installed following the instructions
provided in a position to suit the particular
location and the cistern fitted on its supports/
base.
The cold feed/expansion and safety open vent
should be installed between the appliance and
the feed and expansion cistern.
2.0 INSTALLATION
2.2 INSTALLATION
Pipework connections