Electrical Components:
Electronic control unit, motor, metering pump, glow
plug
in
the case of HL 24/32, or pencil-type glow plug
in
the case of Air
Top
24/32, part-load resistor, digital
timer (except for TRS versions) and lamp for switch are
designed for either 12-volt or 24-volt operation.
Components such
as
temperature limiter, flame detec-
tor and switch for heater support are the same on 12-
volt and 24-volt units.
The TRS solenoid valve for combustion air is designed
for 24-volt operation only.
1.2 Permissible Diameters and Lengths of
Connecting Leads
J Fuel llne, suction side: 1)
- inside diameter
2-3mm
- maximum length
3,0m
- maximum suction height
see pos. 6.2
Fuel llne, pressure side: 1)
- inside diameter
I
2mm
- maximum length
10m
- maximum pumping head
see pos. 6.2
Combustion air Intake line:
- min. inside diameter
30mm
- maximum length
Sm
- maximum bending range
360"
- smallest bending radius
<4Smm
Exhaust pipe:
- min. inside diameter
30mm
- maximum length
Sm
- maximum bending range
360"
• smallest bending radius
<BSmm
Heating air llne:
- min. inside diameter
80mm
CAUTION:
Only materials capable of withstanding a temperature
of at least
13o•c may be used as heating tubes.
CAUTION:
Be sure to replace the
seal
located underneath the cap
(wiring harness) upon every re-installation of the wiring
harness.
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Technical Data 1
1.3 Overview of heater variants
Heater type Voltage ; Operation i Comment
HL24D.01
12 V Diesel
with 12V glow plug
HL24D.02
24 V Diesel with 12V glow plug
HL24B.61
I
12V
'
Petrol
i
with 12V glow plug
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HL24B.62
I
24 V
I
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Petrol
:
with 12V glow plug
l
Air Top
24
!
24V
Diesel j with pencll-type glow plug
I
HL32D.01
:
12V
!
Diesel with 12V glow plug
!
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HL32D.02
I
24 V
Diesel
l
with 12V glow plug
I
HL32D.04
24 V Diesel with 24V glow plug
HL320.06
24 V
Diesel
with 24V glow plug (MAN)
HL32B.61
12 V Petrol
with 12V glow plug
HL32B.62
24V
Petrol
with 12V glow plug
HL32B.64
24V
Petrol
with
24V glow plug
AlrTop32
24V
Dleael
with pencil-type glow plug
5
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