Manual Truma B 10 (page 8 of 24) (English, German, Dutch, Danish, French, Italian, Spanish)

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Electrical connection 12 V

Always disconnect the appliance from the power supply prior

to working on electrical components. It is not sufficient to just

switch off at the control panel!

The appliance must be disconnected from the vehicle main

power supply when carrying out any electric welding work on

the vehicle body.

If the connections are transposed there is a risk of cable

burning. This also rules out any guarantee or liability

claims.

Fig. F

Unscrew cover (34) from the electronic control unit. Slide ca-

ble connector of control panel (28) onto the p.c.b.. The electri-

cal connection is made at terminal (35 – red = positive, blue =

negative), for this purpose press with a small screwdriver from

above and push in cable from the front. Connect to fused

vehicle mains (central electrical equipment 5 – 10 A) using a

2 x 1.5 mm² cable.

Negative cable to central earth. With lengths of over 6 m use

a cable 2 x 2.5 mm². If connecting directly to the battery, the

positive and negative cable must be fused. Screw cover (34)

back on. There are to be no other consumers connected to the

supply line!

The water heater fuse (1.6 A slow-acting, IEC 127/2-III) is

on the p.c.b. (36).

When power packs or power supply units are being

used, note that the output voltage is between 11 V and

15 V and the alternating current ripple is < 1.2 Vpp. We rec-

ommend the automatic chargers from Truma for the different

applications. Please ask your dealer. Other chargers may be

used only with a 12 V battery as a buffer.

Electrical connection 230 V

(B 10 EL, B 14 EL only)

The electrical connection is only to be carried out by

an expert (in accordance with VDE 0100, part 721 or

IEC 60364-7-721 in Germany). The information given here

is not intended as instructions for you to carry out. It is for

assisting the expert assigned to carry out the job, acting as

auxiliary information when connecting the appliance!

Connection to the mains supply is effected by means of ca-

bles 3 x 1.5 mm² (e.g. hose line H05W-F) to a distributor box

(not included in the scope of supply).

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 allpole disconnection from the

power supply, with at least 3.5 mm contact clearance.

Connect the cable, 230 V lead, and heating element cable as

shown in the circuit diagram.

1 = Control panel cable

2 = Supply line 3 x 1.5 mm²

3 = Heating element cable

4 = brown

5 = green

6 = blue

7 = yellow

8 = white

9 = yellow/green

Fig. G

Connect distribution socket (37) to floor of vehicle or to the

wall near the device (cable length 110 cm).

All cables must be secured with cable clips.

Gas connection

The operating pressure of the unit (30 mbar, see type

plate) must be the same as the gas supply‘s operating

pressure.

Fig. A

The 8 mm diameter gas supply pipe must be attached to the

connecting piece (38) with a cutting ring connection. Carefully

counterhold with another spanner when tightening!

Before connecting to the water heater make sure that the gas

lines are free from dirt, chips and such!

Route the pipes in such a way that the appliance can be re-

moved again for servi c ing.

In areas frequented by people, keep the number of parting

connections in the gas supply line to an technically feasible

minimum.

The gas system must comply with the technical and

administrative regulations of the respective country of use

(e.g. EN 1949 in Europe). The national regulations and

rules (e.g. DVGW work sheet G 607 in Germany) must be

complied with.

Function check

The tightness of the gas pipe must be tested using the pres-

sure drop method after installation. A test certificate must be

issued (e.g. in accordance with DVGW Work Sheet G 607 in

Germany).

Never operate the water heater without water contents!

It is, however, possible to briefly check the electrical function

without water contents. Always observe the operating instruc-

tions prior to operation!

Warning information

The installer or vehicle owner must apply the yellow sticker

with the warning information, which is enclosed with the ap-

pliance, to a place in the vehicle where it is clearly visible to

all users (e.g. on the wardrobe door)! Ask Truma to send you

stickers, if necessary.

When I open the drain valve,no water comes out,what is the problem,the valve Submitted on 22-6-2022 at 21:55
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Truma B 10 Manual

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