Manual Trumatic S55T (page 6 of 24) (English, German, Dutch, Danish, French, Italian)

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Operating

instructions

Truma S 55 T

Liquid gas heater

Always observe the opera-

ting instructions and ”Im-

portant operating notes“

prior to starting! The

vehicle owner is responsible

for correct operation of the

appliance.

The installer or vehicle owner

must affix the yellow sticker

with warning information en-

closed with the appliance 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 a

sticker if necessary.

a = Control switch

(Thermostat)

b = Integrated control switch

for the Trumavent fan

c = Automatic ignition with

battery compartment

d = Automatic ignition

pilot light

e = Thermostat sensor

f = Name plate

(remove cover)

Short Description

The Truma S 55 T is a unit

heater with a combustion air

intake at the base and top ex-

haust gas release. Heater

output, independent of the

12 V power connection, is up

to 3 kW without the fan, and

with the 12 V fan switched on

can be adjusted for an output

of up to 5 kW as required.

When the fan is switched off

the heater automatically

drops back to the 3 kW level.

Using the Heater

without the Fan

Before using the heater for

the first time, ensure that a

battery has been inserted

(see „Changing the

Batteries”).

1. Turn on gas cylinder and

open quick-acting valve in

the gas supply line.

2. Turn the control knob (a)

through thermostat positions

1 - 10 and press down as far

it will go. The unit will ignite

automatically and the auto-

matic ignition pilot light (d)

will flash until the flame

lights.

Keep the control knob

pressed down for a further

10 seconds to allow the

safety pilot to operate.

If the flame goes out again,

re-ignition occurs immediate-

ly during the closing time

of the safety pilot (approx.

30 seconds).

Caution: If a fault occurs,

wait at least two minutes

before trying to light the

unit again.

If there is no flame, the auto-

matic ignitor continues to

operate until the control knob

is switched to ”0“.

If there is air in the gas supp-

ly line, it can take up to two

minutes until there is gas

available for combustion.

During this time hold the

control knob down until the

flame lights.

Using the Heater

with the Fan

h = Fan Off

(Heater output up to

3 kW)

j = Manual fan control

(Heater output up to

5 kW)

Turn the knob to the desired

fan setting.

Setting for summer use

(Fan, heater off)

Turn the knob to the desired

fan setting.

k = Automatic operation

with fan

(Heater output up to

5 kW)

Output is automatically adju-

sted (infinitely variable adjust-

ment) to match the desired

heater setting. Maximum out-

put can be set using the

knob if desired. Setting bet-

ween this value and the slow

running speed takes place

automatically.

Hot air is drawn in via the hot

air fan and fed via three fle-

xible hot air pipes mainly into

the floor area of the vehicle.

The extensive accessories

and parts program enables

the hot air system to be

adapted to suit all comfort

requirements.

Room Thermostat

With the fan off (Position h)

heater output is up to 3 kW,

depending on the thermostat

setting and heating require-

ments. With the fan on

(Position j or k) heater output

can be continuously adjusted

up to 5 kW as required.

When the fan is switched off

the heater automatically

drops back to the 3 kW level.

To maintain an average room

temperature of about 22° C

we recommend a thermostat

setting of 3 - 5 with the fan

off, or 4 - 8 with the fan on.

The exact thermostat setting

must be determined in each

case, depending on how

much heat is needed and the

design of your vehicle.

Note: The thermostat probe

is underneath the heater.

Please note that the ther-

mostat will be adversely

affected by cold draughts

from refrigerator vents, gaps

below doors, etc., or by a

deep-piled carpet. Always be

sure to avoid problems of this

kind, otherwise satisfactory

temperature control cannot

be guaranteed.

Switching off

Turn the control switch to ”0”

(the automatic ignition will

switch off at the same time).

Turn the fan to „off” (Position

h) on the control console.

If the unit is not used for a

relatively long period of time,

close off the quick-action

gate valve on the gas pipe

and gas bottle.

Important

operating notes

1. When using the heater

while travelling in a mobile

home be sure to follow

the „Special installation

instructions” (see Servicing,

Point 4).

2. Underfloor combustion air

intakes must be kept clear of

dirt and snow slush. The inta-

ke vent on the heater should

not be located in the spray

area of the wheels (if neces-

sary fit a spray guard).

3. Before switching on the

heater in winter, clear all

snow from the cowl.

If you fit a roof cover over

your caravan, the exhaust

cowl must always pass right

through this cover. For this

purpose use cowl extension

UEK (Art. no. 30630-04)!

4. If the heater is repeatedly

blown out in very windy par-

king spots, or when used in

winter, we recommend the

SKV cowl extension kit (Art.

no. 30690-00) which can be

screwed onto the cowl shaft

when required, but must be

dismantled before driving the

vehicle.

5. Inspect the exhaust duct

and all connections at regular

intervals, and always in the

event of blowback (misfire).

It is essential for the exhaust

duct to be installed so that

it slopes upwards over its

whole length and is secured

with several clamps. Never

place any object on the

exhaust duct, since this could

result in damage. The

exhaust duct connection to

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Trumatic S55T Manual

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