Measuring The Ionization Current - Rinnai E75CN Installation & Servicing Instructions Manual

High Altitude Label (example)

12.4 Measuring the ionization current

Ending the O measuring procedure:
2
- Press the - button until
With this the procedure has ended..
- Replace the black cover on the gas valve and secure it with the screw.
For high altitude installations, elevations between 2000 ft and 4500 ft (600 m
and 1350 m), in Canadian area it is required to fi ll out the High Altitude Label.
Place the fi lled out High Altitude Label on the controller supporting frame, on the left
side of the rating plate.
- Switch off the system using the Central Heating button and the DHW button
- Disconnect the
connection on the
measuring device
Select the μA direct current range on the measuring
device. The measuring device must have a resolution
of at least 1 μA.
- 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 until the maximum value (in kW) is achieved;
The boiler will burn on full load (value on display in kW)
- Measure the ionization. When the boiler is in full load the ionization current must
be > 4 μA and write down this value in the log book.
- Press the button until OFF is shown (keep button pressed).
- Switch off the system using the Central Heating button and the DHW button
- Disconnect the measuring device and restore the plug and the socket connection
on the probe.
- Switch on the sytem using the Central Heating button and the DHW button.
is shown (keep button pressed).
plug and the
probe and connect
in series. See fi gure
or the button the code C123;
socket
the
29.
Ionization test
value in BTU/hr = x3415
fi gure 29
63