Truma

8
Always pay attention to connect carefully with the correct
colours!
For maintenance and repair work a disconnecting device must
be provided on the vehicle for all-pole disconnection from the
power supply, with at least 3.5 mm contact clearance.
All cables must be secured with cable clips.
Cables must be in accordance with the technical rules and
regulations of the country in which the vehicle is to be
registered for the first time.
Electrical diagram of splitting box / switch
mains cable
230 / 240 V AC
splitting box
device cable
230 / 240 V AC
switch / panel
LN
NL
brown
blue
green/yellow
PE
Fig. 20
Function check
After installation, check water system and gas supply line for
leaks in accordance with applicable local codes.
Following this, check the function of the appliance as spec-
ified in the operating instructions. In particular, check the
P&T relief valve by opening the test lever and that the water
drains properly. Warranty claims for frost damage will not be
accepted.
Never operate the water heater without water. It is, however,
possible to briefly check the electrical function without water.
Always observe the operating instructions prior to operation!
The operating instructions and completed warranty card are
to be given to the owner of the vehicle.
Accessories
Cowl extension for wall thicknesses over 35 mm
70131-00 Cowl extension VBO 2
Fig. 21
Surface-mounting frame (not illustrated)
40000-52600
The 12V electrical connection is made at the clamp (Fig.
19-35).
orange = positive 12 V
blue = negative
This is done by pressing from above with a small screwdriver
and pushing the cable in from the front.
Connect to the fuse-protected on-board power supply (central
electrical system 5–10A) using a 2x1.5mm² cable.
Connect negative line to main ground connection. For lengths
of over 6m, use a 2 x 2.5 mm² cable. If the equipment is con-
nected directly to the battery, the positive and negative lines
must be protected. Screw the cover (Fig. 19-34) back on.
If necessary, remove the outer cable sheathing at the cover
leadthrough.
No other 12V consumers must be connected to the supply
line.
The boiler fuse (Fig. 19-36), 1.6 A, (slow-acting) is on the
control board.
Fasten the electronics cover with screws (Fig. 19-34).
28a
28b
28
35
34
36
Fig. 19
When power packs or power supply units are being
used, note that the regulated output voltage is between
11V and 15V and the alternating current ripple is < 1.2Vpp.
Electrical connection 230 V / 240 V
– option –
All electrical work and permanent wiring must be car-
ried out by a qualified person and in accordance with
the standards AS/NZS 3000, AS/NZS 3001 and all local codes
and regulatory authority requirements.
The electric heating element in the water heater is supplied
with a device cable without a plug.
If any cable (mains cable or device cable) is damaged, it
must be replaced by the manufacturer, its service agent
or similarly qualified persons in order to avoid a hazard.
The electrical connection is only to be carried out by a
licensed electrician. The information given here is not
intended as information for the layman, rather it is to for as-
sisting the assigned electrician, as additional information,
when connecting the appliance!