Absolute Boilers ABS 1500-2000-2500-3000-4000
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11.1.7 Cleaning/replacing the ignition/ionization
rod
CAUTION
Turn electrical o, then ensure gas has been shut o
at the main shut o valve. Next purge all gas in the
system as per code. The ignition/ionization rod may be
hot, allow enough time to let boiler cool before removing
the ignition/ionization rod.
To service the ignition and ame ionization rod, remove the
two retaining screws on the electrode assembly, remove
assembly and examine for wear and dirt, clean and re-gap
electrode 1/8” [3mm] re-t if in good condition (replace
gasket if necessary).
Replace electrode assembly if necessary – then discard
screws and gasket and t replacement assembly c/w new
gasket and screws making sure that the earth connection
is in good condition and in contact with the base plate and
ret safety bracket.
Ensure a gap of 1/8 inch exists (3 mm)
11.1.8 Filter maintenace and lter replacement
The lter shall be replaced under the following conditions:
1. The lter has been in service for more than one a year, or
2. The ∆p between pressure connections 1 and 2 > 2” In. W.C., or
3. The ∆p between pressure connections 1 and 2 is twice as high
compared to the last inspection.
Procedure for replacing lter
1. Interrupt upstream gas supply by closing the manual shuto
valve.
2. Remove screws 1-2.
3. Change lter insert 3
4. Tighten screws 1-2 using a small force (5Nm).
5. Open the manual shuto valve.
6. Perform leakage and function test, pmax = 5 PSI.
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