
31
INSTALLATION
Project Heat -
Installation and Servicing
34 CONNECTIONs
NOTEs.
Ensure all pipe blanking plugs are removed before connecting.
Note. The gas isolation handle is
shown in the open position.
WaTER CONNECTIONs
The boiler flow and return pipes are supplied fitted to the boiler
and ready for top connection.
note
. For heating loads in excess of 17.6kW (60,000 Btu/h)
use 28mm x 22mm connectors to connect the boiler flow and
return pipes to 28mm.
Top Connection
Connect the system pipework to the boiler flow and return
pipes.
gas CONNECTION
IMpORTaNT.
The gas service cock is sealed with a non-
metallic blue fibre washer, which must not be overheated when
making capillary connections. Refer to Frame 1 for details of
the position of the gas connection.
For additional gas supply information refer to “Gas Supply”
on page 8.
35 ELECTRICaL CONNECTIONs
Wiring should be 3 core PVC insulated cable, not less than
0.75mm
2
(24 x 0.2mm), and to BS 6500 Table 16. For IE
reference should be made to the current ETCI rules for
electrical installations.
The mains supply to the boiler and system wiring centre shall
be through one common fused double pole isolator. For
heating systems, and where practicable replacement boiler
installations, the isolator shall be situated adjacent to the
appliance.
noTe. The appliance musT be Wired WiTh a
permanenT live supply. The sysTem pump
musT be Wired To The boiler (see Frame 41).
The boiler WarranTy Will be invalid iF This
requiremenT is noT complied WiTh.
Warning
. This appliance MUST be earthed.
A mains supply of 230Vac ~ 50 Hz is required.
The fuse rating should be 3A. All external controls and wiring
must be suitable for mains voltage.
Wiring external to the boiler MUST be in accordance with the
current I.E.E. (BS.7671) Wiring Regulations and any local
regulations.
Yellow
Handle
205862-10073
Gas Supply
Flow
Return
IN
s
T
a
LL
a
TION