Operating instructions Page 4
Installation instructions Page 8
To be kept in the vehicle!
Truma UltraRapid Hot Water System
LPG and 230 V / 240 V Electric Storage Water Heater
2
BGA 14 / BGEA 14 LPG (Propane) and 230 V / 240 V Electric Storage Water Heater
Fig. 1
Installation example
1 Truma UltraRapid HWS
2 Control panel
3 Drain valve
4 Cowl for combustion air intake and exhaust gas discharge
Table of contents
Symbols used ........................................................................ 2
Model .................................................................................... 2
General safety notes ......................................................... 3
Operating instructions
Filling the Truma UltraRapid HWS with water ...................... 4
Draining the water heater ..................................................... 4
Switching on gas operation .................................................. 4
Switching off gas operation .................................................. 4
Red indicator lamp “Fault“ .................................................... 5
Electrical operation – option –
230 V ~ / 240 V ~,
130 0 W / 1415 W (5.7 A / 5. 9 A) ...................................................... 5
Maintenance ....................................................................... 5
Fuses ..................................................................................... 5
Fault finding ........................................................................ 5
Technical data ..................................................................... 6
Truma warranty policy ..................................................... 7
Installation instructions
Data label .............................................................................. 8
Intended use .......................................................................... 8
Regulations ........................................................................... 8
Water heater kit ................................................................. 8
Choice of location .............................................................. 8
Installation of the water heater ....................................... 8
Water connection .............................................................. 9
Installation of the elbow water connectors ........................ 10
Installation of the drain valve .............................................. 10
Installation of the pressure reducer .................................... 10
Water pipe routing .............................................................. 10
Gas connection ................................................................. 10
Installation of the control panel .................................... 11
Electrical connection 12 V
....................................... 11
Electrical connection 230 V ~ / 240 V ~ – option – .... 12
Function check ................................................................. 12
Accessories ....................................................................... 12
Wiring Diagram ................................................................ 14
Symbols used
The device must only be installed and repaired by an
expert.
Symbol indicates a possible hazard.
Note containing information and tips.
Model
Truma UltraRapid Gas BGA 14
Truma UltraRapid Gas / Electric BGEA 14
3
General safety notes
The use of upright gas cylinders from which
gas is taken in the gas phase is mandatory
for the operation of gas regulators, gas equipment and gas systems. Gas cylinders from
which gas is taken in the liquid phase (e. g. for
fork lifts) must not be used, since they would
result in damage to the gas system.
In the event of leaks in the gas system or if
there is a smell of gas:
– extinguish all naked flames
– do not smoke
– switch off all appliances
– shut off the gas cylinder
– open the windows and doors
– do not actuate any electrical switches
– have the entire system checked by an
expert!
Repairs may only be carried out by an
expert.
– This device may be used by children aged 8
years or above and by persons with reduced
physical, sensory or mental capabilities or
lack of experience and / or knowledge, only
if they are supervised or have been given
instruction with regard to the safe use of the
device and have understood the potential
risks. Children must not use the device as a
toy.
– To avoid the risk of accidental resetting of
the over-temperature guard, the device may
not be supplied with power via an external
contactor, such as a timer, nor may it be
connected to a power circuit that is regularly
switched on or off via a device.
Danger
Failure to operate the relief valve at least once
every six months may result in the water heater splitting. Continuous leakage of water from
the valve may indicate a problem with the water heater!
– Water may drip from the discharge pipe of
the pres sure relief device and this pipe must
be left open to the atmosphere.
– The pres sure relief device is to be operated
regularly to remove lime deposits and to ensure that it is not blocked.
– Any discharge pipe connected to the safety
(pres sure relief) valve is to be installed in a
continuously downward direction and in a
frost free ambient.
– Before accessing terminals, please ensure
all supply circuits are disconnected (i.e.
230 V – 240 V and 12 V) and that the gas
supply is securely turned off.
– Any work involving connection or intercon-
necting wiring must be carried out by a licensed electrician.
– Any modifications to the unit, including ac-
cessories and cowl, or the use of spare parts
and accessories that are important to the
operation of the system that are not original
Truma parts and failure to follow the installation and operating instructions will void the
warranty and release Truma from any liability claims. It also becomes illegal to use the
appliance, and in some countries this even
makes it illegal to use the vehicle.
– The operating pressure for the gas supply is
2.75 kPa (AUS – Propane) and must correspond to the operating pressure of the appliance (see data plate).
– LPG systems and pressure regulators must
comply with the technical and administrative regulations of the country in which the
appliance is used. For your own safety it is
absolutely necessary to have the complete
gas installation regularly checked by an expert (at least every 2 years). The vehicle owner is always responsible for arranging the
gas inspection.
– Do not operate when travelling.
– Do not operate the water heater when refuel-
ling the vehicle and when it is in the garage.
– Items sensitive to heat (e. g. spray cans)
must not be stored in the installation area,
since excess temperatures may occur there
under certain circumstances.
– During the initial operation of a brand new
appliance (or after it has not been used for
some time), a slight amount of fumes and a
slight smell may be noticed for a short while.
4
Draining the water heater
If the vehicle is not used during periods of frost, it is essential that the Truma UltraRapid HWS be emptied.
Disconnect power for water pump (main switch or pump switch).
Open hot water taps in bathroom and kitchen.
Open drain valve: Lever in vertical position, position (f).
The water heater is now drained directly to the outside via
the drain valve. Check that the water has been completely
drained (14 litres).
Switching on gas operation
UltraRapid
60°
70°
b
b
a
c
Fig. 3
a = Red indicator lamp “Fault”
b = Water heater “On” 60 °C or 70 °C
c = Water heater “Off”
Never operate the water heater without water in it!
If the wall cowl is positioned close to an opening window (or
hatch) – in particular directly under it – it must remain closed
when the water heater is in use (see warning plate).
Remove cowl cover.
Open gas cylinder and open stop cock valve in the gas
supply line.
Switch on water heater at the switch on the control panel (b).
When using the vehicle switches
Refer to operating instructions of the vehicle manufacturer or
see switch labels.
If there is air in the gas supply line, it may take up to a minute
before the gas is available for combustion. If the appliance
switches to “Fault” during this time, switch off the appliance
– wait 10 minutes – and switch on again!
Switching off gas operation
Switch off the water heater to position (c).
2
1
Fig. 4
If the water heater is not to be used for a longer period,
mount cowl cover (non-observance of this point can lead to
the function of the appliance being impaired through water,
dirt or insects), close stop cock valve in the gas supply line
and close the gas cylinder.
Before setting off on any journey, fit cowl cap with the
Truma UltraRapid HWS switched off. Please ensure that
it is secure and has locked into place (risk of accident). Defective cowl caps must not be used.
Always observe the operating instructions prior to
starting! The vehicle owner is responsible for correct opera-
tion of the appliance.
Before using the product for the first time, it is essen-
tial to flush the entire water supply through with clean
warm water. Always mount the cowl cap when the water
heater is not being operated! Drain the water heater if there is
a risk of frost! Warranty claims will not be accepted for
frost damage.
Always remove the cowl cover prior to operating the
water heater!
If connecting to a central water supply (rural or city connection) or when using more powerful pumps, a pressure reducer must be used which prevents pressures of greater than
400 kPa occurring in the Truma UltraRapid HWS.
Filling the Truma UltraRapid HWS with water
Check that the drain valve in the cold water intake is closed:
Lever should be in horizontal position, position (e).
e
e
f
Fig. 2
e = Lever position “Closed”
f = Lever position “Drain”
You must operate the drain valve regularly to prevent
lime scale and to ensure that it is not blocked.
Open hot tap in bathroom or kitchen, with pre-selecting mixing taps or single-lever fittings set to “hot”.
Switch on power for water pump (main switch or pump
switch).
Leave the tap open to let air escape while the water heater is
filling. The heater is filled when water flows out of the tap.
Residues of frozen water can prevent filling if there is a frost.
The water heater can be defrosted by switching on the heater
for a short period (max. 2 minutes). Frozen pipes can be defrosted by heating the room.
If just the cold water system is being used, without
water heater, the heater tank is also filled up with water. In order to avoid damage through frost, water must be
drained by means of the drain valve, even if the heater has
not been used. As an alternative, two shut-off valves, resistant
to hot water, can be fitted in front of the cold and hot water
connection.
Operating instructions
5
Drain the water heater if there is a risk of frost! Warranty 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 possible 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 operated 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 heater 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 heater 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
5minutes, and switch on again.
Heater operates for a prolonged 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 temperature 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 reducer 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 installation instructions “Water connection”).
If fault persists, please contact the nearest Dometic
Service.
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