17
Installation3
Hot air system
The universal installation kit includes a 0.5 m long
flexible pipe, an outlet, three supports with cable tapes
and a safety grid for the hot air system.
For further ducting parts, please refer to the additional
parts catalogue.
Danger!
Risk of burning and injuries!
• The hot air system hoses and the hot air outlet are to
be laid and fastened in such a way that they do not
pose a risk to people, animals or materials sensitive
to temperature due to radiation / contact or direct
blowing.
If necessary, a cover is to be fitted over the hot air
ducting and / or the hot air outlet.
• The outflow hood must be fitted on the hot air
outflow side.
• If no air hoses are fitted, a safety grid must be fitted
to the hot air intake side and outflow side, to prevent
injuries from the heater fan or burns from the heat
exchanger.
• High temperatures occur in the hot air system while
the heater is running and immediately afterwards.
This is why it is important to avoid working in the
vicinity of the hot air system while the heater is
running. In such cases, switch off the heater
beforehand and wait until all parts have completely
cooled down.
If necessary, wear safety gloves.
• Comply with the regulations and safety instructions
for this chapter given on page 4 – 7.
• When connecting parts which conduct air, observe
the heater code number given in the technical data
(page 10).
Please note!
Caution!
Safety instructions!
• The hot air intake openings must be positioned in
such a way that, under normal circumstances, it is
not possible for exhaust from the vehicle engine and
heater to be sucked into the system, or for the hot air
to be contaminated with dust, salt spray, etc.
• For circulating air mode, position the circulating air
intake in such a way that the outflowing hot air
cannot be directly sucked in again.
• In the event of overheating, it is possible for local lot
air temperatures of up to max. 150 °C or surface
temperatures of up to max. 90 °C to occur
immediately before the safety lock-out.
Therefore only temperature-resistant hot air hoses
approved by us must be used for the hot air system!
• When checking the functions, the mean discharge
temperature measured approx. 30 cm from the outlet
after the heater has been running for about
10 minutes should not exceed 110 °C (with an intake
temperature of approx. 20 °C).
• If there is a risk of the driver and passengers
touching the heater during normal vehicle operation,
a touch guard must be fitted.
Hot air system (example)
1 Connectors with safety grid
2 Hose clip
3 Flexible pipe
4 Safety grid
5 Outlet
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