5 Operating instr uctions
!
W
A
R
N
I
N
G
To avoid risk for overheating and fire, make sure that
there is full oil flow at a ll times d u ring operation.
!
C
A
U
T
I
O
N
If the safety valve opens, or the high te mp eratu re
switch trips repeatedly, the heater sho uld be op en ed
up for inspectio n and cleaning.
5.3 Operation
The Heatpac
®
electric heating system requires
no special attention during nor mal operation.
For further information on alarm functions, see
6 Alarms and Fault Finding on page 21.
5.4 Stop
1. Stop the heater via the control unit.
N
O
T
E
Where there is b ooste r heating, the temperature
setpoint must gradu ally be lowered to a
temperature su itable for the fuel used.
2. If the oil feed pump is to be stopped, wait 1
minute after the heater has been switched
off before stopping the pump.
!
C
A
U
T
I
O
N
Be sure to switch o ff the heate r system before
stopping th e oil feed pum p.
20
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