hymer BMC 550, Instruction Manual

Page: 156 / 252

9 Appliances
156
B-MC - 12/18-2 - EHG-0016-01EN
9.2.5 Wall flue
Fresh air and exhaust gases of the heater system are conducted in a two-
chamber wall flue.

Park the vehicle such that the wall flue gets enough fresh air.

The wall flue must be free at all times. Do not cover the wall flue.

When camping in winter, maintain wall flue free of snow and ice.

Check the wall flue periodically depending on the weather (snow, leaf
fall, dirt, etc.). If necessary, clean the wall flue.

When washing the vehicle do not aim the water jet directly at the wall
flue.

When disregarding this, the flawless operation of the heater can not be
guaranteed.
Fig. 172 Wall flue (hot-water heater) Fig. 173 Wall flue (hot-air heater)
The wall flue is mounted on the left side wall.
9.3 Truma Aventa air conditioning unit

The cooling circuit may only be opened by the manufacturer or an au-
thorised specialist workshop.

Do not block the air inlets and air outlets.

Do not drive on any gradients or inclines greater than 8 % when the air
conditioning unit is in operation. Otherwise the compressor could be da-
maged.

Do not operate the unit in cooling mode for extended periods when the
vehicle is on an incline. Condensation can enter the interior.

The air conditioning unit only runs if the vehicle is connected to a 230 V
power supply.

The external 230 V power supply must be protected by a fuse of at least
6 A. It is otherwise not possible to operate the air conditioning unit
properly.