Fault
The flame goes out
directly after ignition.
The heater makes a
humming sound.
There is unburnt fuel
on the burner dish.
Record the maintenance details in table A in
the appendix of this manual.
7
SPARE PARTS
Before use we advise you to have spare parts
in store, see table B in the appendix of this
manual.
AT 400 - 500-US series
Cause
The flue draught is too
low.
16 There is too much diesel
oil at start up.
40.020.943 - rev. 04 - 2011
Solution
Isolate the flue outside the
building.
Check the flue, see "flue".
Reduce the amount of diesel
oil.
Low temperatures for single
walled flue, for instance in
case of frost.
The sound will stop when the
temperature rises.
See faults: 2, 11, 12, 13 and
14.
8
TECHNICAL INFORMATION
•
See for technical specifications table C in
the appendix of this manual.
9
INSTALLING ACCESSORIES
9.1
Flue (fig. 12)
The heater has a flue stack connection.
1. Push a T-piece (A) directly over the
connection (B).
2. Push the flue pipe (C) on the T-piece.
3. Use three screws to screw the flue pipe
to the T-piece.
Caution
The flue must meet the following
requirements.
•
The flue must be pointed upwards.
•
The flue (or any part of it) may not be
positioned horizontally. A 45° angle is
acceptable.
•
It is not allowed to lenghten the flue
connection horizontally.
•
When a pipe is used under 45°, pipe
pieces of at least 3.2 ft must be fitted in
front of and at the back of the slanting
pipe.
English
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