State Water Heaters PRV 30 NORS G, Инструкция по установке и эксплуатации

Страница: 6 / 28

6
1.2 Technical safety
equipment
1.2.1 Gas control valve
The water heater has been fitted with a
gas control block consisting of a
thermo-electrical pilot flame safeguard,
pilot flame pressure regulator, burner
pressure regulator, a control thermostat
(adjustable between 30°C and 71°C)
and a safety thermostat (82°C). This
gas control block with its simple and
secure control respectively switches
the gas supply to the main burner on or
off.
This gas control block is suitable for
gasses from the first, second and third
gas family. The maximum inlet pressure
is 50 mbar.
1.2.2 Combustion products
discharge safety device
The water heater has been fitted with a
combustion products discharge safety
device. It is the function of the safety
device to prevent flue gasses from the
water heater entering the room where
the water heater has been placed,
instead of passing through the flue to
outside atmosphere. The gas supply is
disconnected as soon as the device is
activated by hot gasses flowing over
the sensor.
After the cause of the re-entry of flue
gasses has been traced the device can
be put back into operation by pressing
its reset button.
If this faillure occurs frequently, this
indicates that the flue suffers from
down draught conditions. It is
recommended that a competent person
carry out the necessary remendial
action.
Important
The combustion products dis-
charge safety device should never
be put out of operation. Re-entry of
flue gasses to the building could
be harmful and cause poisoning or
death.