Truma BGA 14, Инструкции по эксплуатации и монтажу

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5
Drain the water heater if there is a risk of frost! Warran-
ty claims will not be accepted if this is ignored.
Red indicator lamp “Fault“
The red indictor lamp (a) lights up if there is a fault. For possi-
ble causes please refer to page 5 – “Fault finding”. To unlock,
switch off the appliance, wait 10 minutes, and switch on again.
Electrical operation – option –
230 V ~ / 240 V ~,
1300 W / 1415 W (5.7 A / 5.9 A)
The Truma UltraRapid HWS must not be operated with
a time switch.
To operate the electric heating element, please insert the plug
into the socket and then turn it on with the switch.
The electric heating element is operational when you can see
the mark on the switch (g).
Fig. 5
Never operate the water heater without water in it!
The water temperature cannot be selected, automatic
temperature limitation at approx. 70 °C! For a faster
heating up period the appliance can be simultaneously oper-
ated with gas and electrical power.
Maintenance
Materials in the device which come into contact with
water are suitable for use with drinking water (see
manufacturer declaration: www.truma.com – Manufacturer
Declaration).
We recommend the use of suitable normal commercial
products for the cleaning, disinfection and care of the
Truma UltraRapid HWS. Products containing chlorine are
unsuitable.
In order to avoid the colonization of micro-organisms, heat up
the Truma UltraRapid HWS to 70 °C at regular intervals.
Fuses
The water heater 12 V fuse is on the PCB on the water heater.
Important note
Only replace the miniature fuse on the PCB with a fuse of the
same type: 1.6 A (slow action).
1.6 A
Fig. 6
If there is a defect in the electronics, return the PCB well
padded. If you fail to pack it correctly, the warranty shall
no longer be valid.
Only use original Truma UltraRapid HWS - PCB as spare parts!
Fault finding
Gas operation
Symptom Cause
When switching on, the heat-
er does not operate.
– No 12 V supply voltage.
Check the power supply (operation voltage min. 10.5 V).
Check the Truma UltraRapid HWS fuse (refer to maintenance
“Fuses”).
When switching on, the heat-
er does not operate and the
red lamp lights up
after approx. 30 secs.
– Cowl cover fitted.
– Air in the gas supply.
– No gas supply.
– Incorrect gas pressure.
Remove cowl cover and / or clear any obstruction.
Check gas valves and gas cylinder.
To unlock (and purge air), switch off the appliance, wait
5 minutes, and switch on again.
Heater operates for a pro-
longed time and then
the red lamp lights up.
– Excess temperature
thermostat has responded.
Check water level, refill if required (close drain valve).
To unlock, switch off the appliance, wait 5 minutes, and
switch on again.
Electrical operation
Symptom Cause
When switching on, the
heater does not operate.
– No 240 V supply voltage.
– Excess temperature
thermostat has responded.
Connect the caravan to the site supply and / or check residual
current circuit breaker.
Check water level, refill if required (close drain valve).
The electrical heating element is fitted with an excess tem-
perature cut-out. In the event of a fault, switch off at the
control panel, wait 10 minutes, then switch on again.
Water supply
Symptom Cause
Water drips from the
safety valve.
– Water pressure to high.
Check water pressure (max. 400 kPa), use a pressure reduc-
er when connected to central water supply.
When opening the cold
water tap, hot water
comes out.
– Hot water flows back
through the cold water
supply.
Fit a non-return valve in the cold water supply (refer to instal-
lation instructions “Water connection”).
If fault persists, please contact the nearest Dometic
Service.