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Instructions Rinnai, Modèle Q205SN

Fabricant : Rinnai
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Onthedisplayofthe RS100 a low water pressure can be indicated. For further informationseetherelevant user manual. The installation will function optimally with a water pressure of between 22 and 25 PSI. If the water pressure drops below 14.5 PSI, the display will show FILL. During this message the boiler will remain functioning at a reduced level. After replenishing the system (see following chapter) just above 22 PSI the message FILL will disappear and the boiler will function normally again. When the water pressure drops below 10 PSI, the display will show a flashing FILL text. The boiler will shut down and will function normally again after replenishing the system to just above 22 PSI. To retreive the water pressure on the display from the Good reading: -Press the Step key once briefly. The water pressure will be shown. Press the Step key briefly to return to the Good reading. Water pressure is too high (>52.2 PSI), if HIGH indication remains continuously visible, the boiler is taken out of operation. The installation pressure needs to be decreased by draining water until the pressure is between 22 and 25 PSI. Operating Replenishing the central heating system Replenishing the central heating system The central heating installation needs to be filled with potable (drinking) water. For topping up the installation you use the filling loop according to the following procedure: i Contact your installer if your installation is not NOTICE provided with a filling loop. 1 Switch all functions off (heating, DHW and pump); 2 Briefly push the 'STEP'-button: P x.x = water pressure in PSI; 3 Slowly open the filling loop (Indication on display increases); 4 Fill up slowly to between 22 and 25 PSI; 5 STOP appears on the display; 6 Close the filling 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 filling 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 filling loop; Operating instructions Rinnai Q-Series 14 Press the ‘STEP’-button; 15 Be sure that the filling loop is closed. After the automatic de-aeration programm (A xx) is finished the boiler will return to the Good reading or Technical reading. The boiler will not function directly. The automatic de-aeration program of about 17 minutes will start after one of the three program buttons is pressed. The display will show where A stands for Automatic de-aeration program Active and the number on the right indicates the actual water temperature of the boiler. Check the water pressure regularly and top up the installation when necessary. The working pressure of the installation should be between 22 and 25 PSI It can take a while before all air has disappeared from a filled installation. Especially in the first week noises can be heard which indicate the presence of air....