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Fig. 7.13
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
supply which has a zero set governor then
it is necessary under the Gas Safe (Instal-
lation and Use) Regulations 26.9. to per-
form a combustion analysis test for CO/
CO
(The limits for the boiler is given in
2
section "Technical data RINNOVA ADAP-
TIVE 30S (M300V.30 SR)" on page 26:
CO
contents / other flue gas figures) and
2
complete the Certificate of Exemption sec-
tion of the Benchmark.
Important: after the checks all of the test
points must be sealed and tested for tight-
ness.
7.8
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 heating
for a few seconds then switch off. After 3-4
minutes has elapsed the boiler will then re ig-
- 50 -
COMMISSIONING
nite and operate perfectly normally.
If external controls are fitted (e.g. Timeclock,
room thermostat) ensure they "call for heat".
• Electrically power the boiler by switching on
27
the double pole isolation switch. The LCD
will display, the
Fig. 7.14
• Press the 12 key for 5 seconds until both
25
play Fig. 7.15.
10
11
Fig. 7.15
The LCD display displays the boiler tempera-
ture (primary circuit) and the
symbols Fig. 7.16.
Fig. 7.16
• Open the gas cock.
• Make sure that the ambient thermostat is in
the "heat request" position".
• Check the correct functioning of the boiler.
• Check the gas pressures and flow rates as
symbol (Fig. 7.14).
and
symbols appear on the dis-
15
12
14
13
and
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