Before Commissioning - REMKO KWK Series Operation,Technology,Spare Parts

Before
commissioning
Anti-freeze protection for
the medium
If a water-glycol mixture is used,
it is to be pre-mixed before being
put in the system. The desired
concentration is then to be
checked.
Bleeding the system
Air may still be in the pipe
■
lines after the leak test.
This is carried during operation
of the circulation pump to
the automatic bleeding valves
or to the cold water drain.
It is necessary to bleed again
here.
The non-circulating pressure
■
must then be adjusted to
the required system pressure.
MAG
The preliminary pressure for
■
the diaphragm expansion vessel
must be adjusted individually
to the system layout,
the volume of the medium and
the installation site.
Valves for hydronic balancing
The calculated excess pressure
■
in the pipe network layout at
the individual cold water outlets
must be adjusted on the pipe
leg regulating valves.
Safety valve
The safety valves and
■
their correct function must
be checked.
The drain line for the valves
■
is to be checked for function
and leak tightness.
Commissioning
Commissioning should only
■
be performed and documented
by specially trained personnel.
Observe the manuals
■
for the unit and all other
components when
commissioning the entire
system.
Function test for cooling operating
mode
1. Switch the power supply on
and if necessary open all shut-
off valves.
2. Switch on the chiller and
the corresponding circulation
pump. The outlet temperature
must be between +4 and
+18°C.
3. Use the controller to switch on
the unit and select the cooling
mode, maximum fan speed and
lowest target temperature.
4. Measure and record all
the required values in
the commissioning report and
check the safety functions.
5. Check the unit control system
using the functions described
in the Chapter "Operation".
6. Check that the condensate
drainage line is functioning
correctly by pouring distilled
water into the condensate tray.
Function test of heating operating
mode
1. Switch the power supply on
and if necessary open all shut-
off valves.
2. Switch on the heating system
and the corresponding
circulation pump. The outlet
temperature must be between
+35 and +70°C.
3. Use the controller to switch on
the unit and select the heating
mode, maximum fan speed and
highest target temperature.
4. Measure and record all
the required values in
the commissioning report and
check the safety functions.
5. Check the unit control system
using the functions described
in the Chapter "Operation".
Final tasks
Reassemble all disassembled
■
parts.
Familiarise the operator with
■
the system.
NOTE
During manual bleeding, any
glycol mixtures which escape
must be disposed of separately.
Do not feed them into
the condensate tray!
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