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A
B
34
Fig. 7.9
If it does not comply with the required pres-
sure check the gas supply line and governor
for faults and/or correct adjustment.
Where the boiler is connected to a gas sup-
ply which has a zero set governor then it is
necessary under the Gas Safe (Installation
and Use) Regulations 26.9. to perform a
combustion analysis test for CO/CO
limits for the boiler is given in "Technical
Data" section pag. 32 Inovia 25C ERP,
pag. 36 Inovia 30C ERP and pag. 40 Ino-
via 35C ERP: CO
contents / other flue gas
2
figures) and complete the Certificate of Ex-
emption section of the Benchmark.
Important: after the checks all of the test
points must be sealed.
7.9
Lighting the boiler
Some products incorporate an anti cycling
time delay. It is normal when first switching
the boiler on for the boiler to operate on heat-
ing for a few seconds then switch off. After
3-4 minutes has elapsed the boiler will then
re ignite and operate perfectly normally. The
ignition delay cycle does not prevent normal
COMMISSIONING
operation of the boiler to provide d.h.w.
If external controls are fitted (e.g. Timeclock,
room thermostat) ensure they "call for heat".
• Electrically power the boiler by switching
on the double pole isolation switch. The
LCD will display, the
7.10).
Fig. 7.10
• Press the 14 key for 2 seconds until both
play Fig. 7.11.
11
12
13
(The
2
Fig. 7.11
The LCD display displays the boiler tempera-
ture (primary circuit) and the
symbols Fig. 7.12.
Fig. 7.12
• Open the gas cock
• Make sure that the ambient thermostat is in
the "heat request" position".
• Check the correct functioning of the boiler
and
symbols appear on the dis-
14 15
symbol (Fig.
18
17
16
and
- 67 -
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