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COMMISSIOnInG
4.7.2 Recommended cable cross sections
Line type
Cross-section Length
Electrical power supply of
the heat generator
• 230 V
min. 2.5 mm
2
with 16A fuse
unlimited m
• 400 V
min. 1.0 mm
2
with 10A fuse
unlimited m
Cables carrying mains
supply voltages
from actuators
min. 1.0 mm
2
unlimited m
Cables carrying low
voltage (sensors)
min. 0.5 mm
2
max. 50 m
Data bus lines (shielded) 2x2x0.6 mm
2
max. 100 m
5.
Commissioning
NOTICE
After filling the plant, thoroughly vent the sys
-
tem and check the water side for leaks.
NOTICE
During the first commissioning of the plant
the correct functioning of all safety and con-
trol devices must be verified.
The operator must be thoroughly instructed
on the operation and servicing of the plant.
Where the supply may be expected to con-
tain large quantities of dust (e.g. building
site) the combustion air must be filtered.
!
CAUTION
Before the boiler is commissioned, the con-
densate drain hose must be filled with water!
NOTICE
It is very important that gas flow pressure is
controlled and the CO
2
value is correctly set.
5.1
Safety notices
!
CAUTION
Risk of injury for non-expert personnel.
Initial start-up, maintenance and cleaning
work are only allowed to be performed by
trained specialist personnel or by Hoval cus-
tomer service.
Damage to the system by filling unauthorised
liquids.
The filled water must be of drinking water
quality (see chapter 5.3).
5.2
Charging with water
Only authorised persons may charge the plant with water
for operation.
§
The European Standard EN 14868 and the
Directive VDI 2035 must be observed (see
Use only chemical additives which have been
confirmed to be suitable by the chemical sup
-
plier.
Antifreeze may only be added to a maximum
of 25 % and at least to the extent specified by
the manufacturer.
The antifreeze and anti-corrosion concentra-
tion must be checked at least once per year.
When replenishing antifreeze or anti-corro-
sion agents the same product should be used.
When changing over to operation without anti-
freeze or anti-corrosion agents the plant must
be thoroughly flushed several times before
being refilled.
1.
Open stop valves in flow and return flow circuits.
2.
Connect hose to filling valve.
3.
Slowly fill the plant with water.
4.
Monitor the water level via the manometer.
Содержание CompactGas
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