Supplied By www.heating spares.co Tel. 0161 620 6677
If the gas control valve is changed, then when the
appliance is running, the flue gas CO
2
should be
measured, refer to section 6.1, and compared to the
values stated section 2.3. If the measured value does
not correspond to the Performance Data, then
contact: Halstead Boilers Ltd. Service Help line:
0844 371 1111.
Always seal the gas valve adjustment screw with
paint after adjustment
FAN
9.4
Refer to Figures 35, 36, & 37
a)
Ensure supply voltage is isolated, and that the gas supply is isolated.
b)
Remove the gas control valve, fan & burner assembly; refer to
section 6.2.
c)
Remove the gas control valve including air inlet cowl; refer to
section 9.3.
d)
Unscrew the three screws holding the lower section of the black
plastic air inlet cowl and gas valve mounting plate, remove plate and
cowl; refer to Figures 35 and 36.
e)
Unscrew the four screws holding the fan to the burner manifold, and
remove fan; refer to Figure 37.
f)
Attach and secure the replacement fan, replace the gasket.
g)
Re-assemble in reverse order; ensure that all joints and seals are
correctly re-fitted.
37
FAN MOUNTING SCREWS
36
GAS VALVE MOUNTING PLATE
3 SCREWS
GAS VALVE
MOUNTING PLATE
4 SCREWS
GASKET
38
MANIFOLD MOUNTING SCREWS
40
BURNER GASKET
39
WITHDRAWING BURNER
3 TORX
SCREWS
LOCATING TAB
34
751030 MANUAL (NEW) 21/9/10 08:41 Page 24
