Measuring The Ionization Current - Rinnai Q85SN Installation & Servicing Instructions Manual

High Altitude Label (example)
13.4 Measuring the ionization current
Ionization test figure 33
62
For high altitude installations, elevations between 2000 ft and 4500 ft (600 m
and 1350 m), in Canadian area it is required to fill out the High Altitude Label.
Place the filled 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
and connect the
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 + or the - button the code C123;
- Press the Store-button to confirm 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.
plug and the socket
measuring device
connection on the
in series. See figure
value in BTU/hr = x3415
probe
33.