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Operating instructions Rinnai Q-Series
11
Water pressure in the central heating system
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 ashing 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 briey.
The water pressure will be shown.
Press the Step key briey 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.
Message ' Water pressure
too low' on your RS100
thermostat.
On the display of the RS100
a low water pressure can
be indicated. For further
information see the relevant
user manual.