32
INITIaL LIghTINg
ThE DIspLay
blinking, alternating with a number or letter to show
blinking, alternating with a number or letter to show
Note:
Legend
a. Blank
B. DHW temperature control
C. CH temperature control
D.
E.
F.
g. CH Flow Isolating Valve
h.
J.
K.
L. DHW Inlet Valve
M. CH Return Isolating Valve
N. DHW Outlet
1.
Note.
It is important the burner is not operated before the system is fully
vented of air. If it is necessary to operate the appliance pump to
assist venting of the air this must be done with the gas service cock
turned off.
2.
3. Check that the drain cock is closed and that the CH and DHW
4.
5.
6.
7.
8.
CENTRaL hEa TINg
9.
(D) to
10. If the boiler does not light code
attempts the boiler will lock out and display fault code
.
DOMEsTIC hOT WaTER
11.
show status
12. Ensure that with the boiler operating the dynamic gas pressure is
IMpORTaNT
The gas input to the burner is regulated by the gas
valveaccordingtotheairowproducedbythefan.
It is NOTuser-adjustable.Anyinterferencetosealed
settings on the gas valve will adversely affect operation
and render our warranty void.
13.
Note. The boiler incorporates a fan overrun cycle which
MUST NOT be prematurely interrupted by isolation of the
mains electricity supply.
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