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812
8.14 Start-up after burner or heater
installation
The fuel system must be bleeded after burner installation.
The coolant circuit and the fuel system must be bleeded
after heater installation.
The vehicle manufacturer specifications must be observed.
Coolant and fuel connections must be checked for leak-
tightness and tight fit during the test run.
If a malfunction occurs during heater operation,
troubleshooting must be performed (see chapter 5).
8.14.1 Bleeding of the fuel system
If combustion does not start when the heater is started
for the first time, the heater must be switched off and
on again.
Small air bubbles in the fuel line are released via the
atomizer nozzle in the combustion chamber.
Until the fuel line is completely purged, flame extinction
may occur.
The flame will be re-ignited up to 5 times. After that the
heater will be interlocked.
For operation using a long (pre -)flow line, check valves, a
fuel filter in the fuel supply line or in case of single line
operation we recommend to fill the supply line prior to first
heater start-up.
8.14.2 Bleeding of the water circuit
The water circuit must be principally bleeded
according to manufacturer specification.
Risk of injuries for coolant with increased temperature.
The Aquavent 5000 (U4814) and Aquavent 6000S
(U4855) circulating pumps may only be switched on
for bleeding, after dry operation can be excluded.
The Aquavent 5000S (U4854) and Aquavent 6000SC
(U4856) circulating pumps may even in dry operation
be switched on for bleeding.
Adjust the vehicle heating system to "warm" and refill
coolant.
As soon as it is confirmed th at the vehicle engine is filled
with coolant, run vehicle engine with increased idle speed.
Once the cooler thermostat opens, switch the vehicle
engine off and check the coolant level.
Refill coolant as needed.
While the vehicle engine is switched off, switch on the heater
with the circulating pump and the vehicle heating fan.
After the engine motor cooled down, the heater must
automatically start and stop as soon as the upper
switching threshold is reached.
If the heater does not star t automatically, it must be
verified, whether the heater overheating protection is
triggered and the heater is interlocked.
Release the heater (see 4.6) and repeat the bleeding
process.
NOTE
WARNING
Содержание Thermo S 160
Страница 2: ......
Страница 6: ...1 Introduction Thermo S 160 230 300 350 400 4...
Страница 11: ...S o m r e h T n o i t c u d o r t n I 1 160 230 300 350 400 105...
Страница 49: ...5 Troubleshooting and error correction Thermo S 160 230 300 350 400 520...
Страница 55: ...r e h T s m a r g a i d c i t a m e h c S 6 mo S 160 230 300 350 400 606...
Страница 71: ...9 Modifications and retrofits Thermo S 160 230 300 350 400 902...
Страница 73: ...10 Packing storage shipping Thermo S 160 230 300 350 400 1002 Empty page for notes...
Страница 74: ...x i d n e p p A A 0 0 4 0 5 3 0 0 3 0 3 2 0 6 1 S o m r e h T A 1 Appendix A Periodic maintenance...
