SP-MAN-INSTALL-01
Revision 2 21-12-21
18
9.0
Fuel Pump
The EOGB Sapphire boiler is fitted with the Danfoss BFPM 61 pump. This pump is pre-set for a two-pipe operation and
MUST NOT BE CON-
VERTED TO A ONE PIPE OPERATION UNDER ANY CIRCUMSTANCES.
1 or 2 pipe operation can only be achieved by following the advice
given in
section 9.2
Failure to adhere to this requirement will invalidate the boilers warranty
C
-
SOLENOID COIL (NC)
H - FILTER
P
-
PRESSURE GAUGE PORT G1/8
PT
-
PRESSURE TRANSDUCER
S
-
SUCTION INLET G1/4
R
-
RETURN OUTLET G1/4
V
-
VACUUM GAUGE PORT G1/4
N - NOZZLE LINE PORT
Fig. 31
9.1
Connecting the fuel supply (1 Pipe fuel supply system with standard Sapphire loop system)
When connecting a single pipe fuel line supply please use the flexible fuel lines pre-fitted and should be made in accordance with
BS5410: Part 1 (Domestic).
The fuel supply line can be routed through the boiler casing via one of the side or rear knock out sections.
(SEE FIG 32)
and connect
on to the
Single Pipe Bulk Head Isolation Valve Tee Assembly
as shown on
FIG 33.
NOTE - The fuel pump does not need to be converted to a 1 pipe system.
WARNING
Single Pipe Bulk Head Isolation Valve Tee Assembly
WARNING
Connect single pipe fuel supply into the 1/4” BSP Female isolation valve
(1/4” BSP Connection fitting not supplied)
Fig. 32
Fig. 33
Fuel Supply and Storage
