Gas Component Replacement; Replacement Of Solenoid Coils - Ak1842, Ak1843, Ak1844 - Whale Heat Air SL5511Ux How-To Manual

tel.: +44 (0)2891 270 531

4.7 Gas Component Replacement

All Whale gas products must be installed and serviced by a Whale trained Qualified
Gas Engineer in accordance with the installation instructions and BS EN 1949-2011.
Please refer to section 1.2 warnings
work on the Room Heater.
Gas isolation procedure:
- shut off gas supply
- purge system of excess gas
- disconnect gas supply at supply source
- disconnect gas supply to Heater
- attach end stop to Heater supply pipe if system is not to be reconnected immediately
CAUTION: Replacing this assembly will break the combustion room seal and once replaced a
combustion analysis test must be carried out by a competent person. Combustion Performance
Analysis (CPA1). Refer to section 1.2 Warnings.
4.7.1 Replacement of Solenoid Coils – AK1842, AK1843, AK1844
! Close gas supply/ isolate 230V supply.
! Remove cover, blown air fan and PCBs.
Note: solenoid can be tested by applying 12V DC across its terminals
- remove the 2 posi screws to remove
1
solenoid, earth tag and gasket
FINAL CHECKS: Full commissioning to include combustion analysis and gas soundness test
This data is confidential to Brunswick
Munster Simms Engineering Ltd., 2 Enterprise Road, Bangor, Co Down, BT19 7TA, U.K. – Northern Ireland
fax.: +44 (0)2891 466 421
for further details on requirements upon personnel carrying out
- ensure correct kit is used and that the
2
and earth tag are
Heat Air Room Heater
info@whalepumps.com
orange gasket
repositioned. Hand tighten only.
Page | 20 of 34
www.whalepumps.com