User manual

Installation & Servicing Instructions Rinnai Q-Series
44
It can take a while before all air has disappeared from a fi lled installation.
Especially in the fi rst week noises may be heard which indicate the presence
of air. The automatic air vent in the boiler will remove the air, which means
the water pressure can reduce during this period and therefore topping off
with water will have to be done.
During normal use the following messages can occur with the necessary follow up:
NOTICE
i
Water pressure is too low (<14.5 PSI),
 ashing FILL will alternate with indication
of water pressure, boiler power of 50%
is possible. The installation needs to be
topped o .
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.
Water pressure is too low (<10 PSI), FILL
indication remains continuously visible,
the boiler is taken out of operation. The
installation needs to be topped o .
10.3 Hot water supply
Apply the water pipe pressure to the tank (open main valve and/or stop valve of the
safety group).
Vent the tank and the hot water installation by opening a hot water shut off valve.
Leave the tap open for as long as required until all air has disappeared from the tank
and the pipes and only water is fl owing from the shut off valve.