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Operating instructions Rinnai Q-Series
12
Replenishing the central heating system
The central heating installation needs to be lled with potable (drinking)
water. For topping up the installation you use the lling loop according to the
following procedure:
Contact your installer if your installation is not
providedwithallingloop.
1 Switch all functions off (heating, DHW and pump);
2 Briey push the 'STEP'-button: P x.x = water pressure in PSI;
3 Slowly open the lling loop (Indication on display increases);
4 Fill up slowly to between 22 and 25 PSI;
5 STOP appears on the display;
6 Close the lling loop;
7 De-aerate the complete installation , start at the lowest point;
8 Check the water pressure and if necessary top it up;
9 Close the lling loop;
10 Activate functions required (heating , DHW and/or pump );
11 If A xx appears on the display, wait for 17 minutes;
12 Check the waterpressure and if necessary top it up to 22 to 25 PSI
13 Close the lling loop;
14 Press the ‘STEP’-button;
15 Be sure that the lling loop is closed.
After the automatic de-aeration programm (A xx) is nished the boiler will
return to the Good reading or Technical reading.
NOTICE
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