Rinnai E110CP, E75CN, E110CN, E75CP user manual Checking for contamination, Notice

12.3 Checking for contamination

i NOTICE	In order to be able to check the boiler for contamination in the following running
	years it is advisable to measure the maximum air displacement in the boiler
	when putting the boiler into operation. This value can be different with each
	type of boiler.
	In order to be able to measure this value follow the next procedure:
	-	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 until 2 is shown;
		alternately 2 and OFF will be shown.
	- Turn open the upper measuring nipple on the gas valve (fig. 18);
	- Connect the hose of the digital pressure gauge to the upper measuring nipple of
		the gas valve

Installation & Servicing Instructions Rinnai E-Series

Check point contamination

		figure 18
		-		Press the	button until the maximum value is achieved;
				The fan will function to its maximum revolutions (burner stays off)
i	NOTICE		- Measure the under pressure and write down this value.
				At the next servicing visit this value may drop 20% of its original value on
				the moment of installation. When this value is dropped more than 20% the
				boiler needs maintanance.
			-	Press the	button until OFF is shown (keep button pressed)
					With this the procedure is finished.

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