Testing For Gas Leaks; Testing The Ignition Safety Shut Off Device - Rinnai E75CN Installation & Servicing Instructions Manual

12.1 Testing for gas leaks

!
WARNING
!
DANGER

12.2 Testing the Ignition Safety shut off device

!
WARNING
Prior to start-up of the boiler you must check the external tightness of the gas supply
valve and confi rm this in the start-up report.
- Before leaking testing the boiler, ensure all parts of the boiler such as
electronics and wiring are properly covered and protected from the leak
testing agent.
- Do not spray the leak testing agent onto cables, plugs, electrical
connection lines or electronic circuit boards. Do not allow it to drip onto
them either.
Leaks may be caused to pipes and screw connections during commissioning
and maintenance activities.
- Carry out a proper leak test.
- Only use approved leak detection agents for leak detection.
- Disconnect the heating system from the power supply.
- Check the exterior tightness of new conduit sections up to and including the direct
sealing point on the gas burner fi tting. The maximum test pressure allowed on
the input of the gas burner fi tting is 14 inch W.C. (35mbar).
- Switch off system using the Central Heating button and the DHW button
- Disconnect the plug and socket connection of the ionization cable.
- Switch on the sytem using the Central Heating button and the DHW button.
- Press the MODE-button for 5 seconds.
- The display will show COdE followed by an arbitrary number;
- Select by means of the
- Press the Store-button to confi rm the code (code blinks 1 x);
- Press the MODE-button until SERV is shown;
- Press the STEP-button once until 1 is shown;
alternately 1 and OFF will be shown.
- Press the button once;
Check if the boiler does one start-up attempt and four restart attempts.
After the last start-up attempt, the boiler will lock out. The gas valve is shut off.
The E02 code is blinking in the display.
- Connect the plug and socket connection of the ionization cable.
- Press the reset button.
- Check if the boiler starts-up.
Do not touch the inside of the igntion cable while it is disconnected during
start up of the boiler.
or the button the code C123;
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