Manual Truma B 10 (page 7 of 24) (English, German, Dutch, Danish, French, Italian, Spanish)

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Screw the boiler securely to the floor of the vehicle with

at least two shackle plates (11) with the screws provided,

B 5.5 x 25, on a suitable base (plywood panel, laminated

wood strips, or metal base).

Water connection

All pressure and submergible pumps up to 2.8 bar are used

for operating the boiler and all mixed combination sets with

or without an electrical switch.

Fig. B

When using immersion pumps, a non-return valve (12 – not

included in the scope of supply) must be fitted between the

pump and the first branch point (arrow points in direction of

flow).

Fig. C

When using pressure pumps with high switching hysteresis,

hot water may flow back through the cold water tap. To pre-

vent the backflow, we recommend that a non-return valve

(6 – not included in the scope of supply) be fitted between the

outlet to the cold water tap and the drain valve.

Pressure and hot water-resistant hoses with an internal diam-

eter of 10 mm should be used for the boiler and the safety/

drain valve connections.

For non-flexible pipe routing (e.g. John Guest System) Truma

can supply the water connections (15 + 16), the safety/drain

valve (13) and a non-return valve (12 + 6) with a 12 mm diam-

eter inner connection as accessories.

If connecting to a central water supply (rural or city connec-

tion) or when using more powerful pumps, a pressure reducer

must be used which prevents pressures of greater than

2.8 bar occurring in the boiler.

Route the water hoses so that they are as short and

free of kinks as possible. All hose connections must be

secured using hose clamps (also for cold water)! Pressures

of up to 3.5 bar can occur in the safety/drain valve (also in

submergible pumps) because of the heat of the water and the

resulting expansion.

Hose clips (part no. 40712-01) are recommended for attaching

the hoses to the wall or the floor. If gas heating has been in-

stalled, the water hoses and the hose clips can be laid on the

hot air pipes, which prevents frost.

In order to guarantee that the boiler is completely emp-

ty, the enclosed elbow with breather valve (fig. D: 15)

must be used for the hot water connection!

All hot water pipes should be routed in a descending

manner to the safety/drain valve! Otherwise no guar-

antee of protection from frost!

Installation of safety/drain valve

Fig. B + C

Install safety/drain valve (13) at a place which is easily accessi-

ble, near the water heater. Drill hole with 18 mm diameter and

pass through discharge socket with hose (14). Fasten safety/

drain valve with 2 screws. The draining is to be directly to the

outside (apply splash guard, if necessary).

Water pipe routing

Fig. B + C

Connect cold water supply (24) to safety/drain valve (13).

Direction of flow is unimportant.

Fig. D

Screw elbow with integrated breather valve (15) to hot water

connection pipe (upper pipe) and elbow without breather

valve (16) to cold water connecting pipe (lower pipe).

Slide on nut (17), tension ring (18) and O-ring (19). Assemble

screw connector and connecting pipe and fasten together

using nut (17).

Slide ventilation hose with 11 mm outer diameter (20) onto

the breather valve hose nozzle (21) and route towards the out-

side. Do not allow the radius of the arc to be less than 40 mm.

Cut off the ventilation hose approx. 20 mm below the floor of

the vehicle at an angle of 45° to the direction of travel.

Fig. B + C

Produce hose connection (22) for cold water supply between

safety/drain valve (13) and elbow (16 – lower pipe) on boiler.

Route the hot water pipe (23) from the elbow with integrated

breather valve (15 – upper pipe) to the hot water consumers.

Installation of the control panels

When using control panels which are specific to the ve-

hicle or the manufacturer, the electrical connection must

be established in accordance with the Truma interface descrip-

tions. Any modification made to the Truma components per-

taining to this will lead to the invalidation of the guarantee, as

well as to the exclusion of any claims for liability. The installer

(manufacturer) is responsible for providing instructions for use

for the user as well as for identification printing on the control

panels!

When selecting the location, bear in mind that the control

panels must not be subjected to direct radiant heat. Length of

connection cable 2.5 m. If required, a cable extension of 5 m

can be supplied (part no. 70000-53500).

If flush mounting is not possible, Truma will supply an

on-surface frame (25 – part no. 40000-52600) as an

accessory on request.

Fig. E

The control panel for gas operation (26) and (if provided) the

control panel for electrical operation (27) should be fitted next

to one another if at all possible (distance between centres of

holes 66 mm).

In each case, drill a hole with diameter 55 mm (distance

between centres of holes 66 mm).

Plug the control panel cable (28) to the control panel for gas

operation (26) and then fit on the rear cover cap (29) as a

stress-relieving device.

Push the cable through to the rear and lay the connection

cable (28 + 30) to the boiler.

Lay the connection cable with the orange multipole con-

nector (28) to the 12 V control electronics unit (fig. F – for

connection see “Electrical connection 12 V”).

Secure both control panels with 4 screws (31) each and fit the

cover frame (32) on them.

Truma offers side parts (32) in eight different colors for

finishing the cover frames (33) in a visually pleasing way.

Please ask your dealer.

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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