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Functional checks and test
run
Check the following points:
Tightness of the refrigerant
pipes.
Compressor and fan running
smoothly.
In cooling mode, cold air should
be output by the indoor unit,
and warm air should be output
by the outdoor component.
Functional test of the indoor
unit and all program sequences.
Check the surface temperature
of the suction pipe and deter-
mine the overheating of the
vaporiser.
Measure the temperature by
holding a thermometer against
the suction pipe and subtract-
ing the boiling point tempera-
ture indicated on the pressure
gauge.
Record the measured tem-
peratures in the commissioning
report.
Check that the stop valves
and valve caps are tight after
carrying out any work on the
refrigerant circuit. If necessary,
use appropriate sealant
products.
NOTE
open the stop valves by turning
them anti-clockwise using a
spanner. If leaks are found,
repair the faulty connection. It
is imperative that the vacuum
creation and drying steps are
repeated!
5. Switch off the main circuit
breaker or remove the fuse
(provided by the customer).
6. Use the remote control to
switch on the unit and select
the cooling mode, maximum
fan speed and lowest target
temperature.
7. Measure and record all
the required values in the
commissioning report and
check the safety functions.
8. Check the indoor unit control
system using the functions
described in the chapter
"Operation". Timer,
temperature setting, fan speeds
and switching to ventilation or
dehumidifying mode.
9. Check the correct function
of the condensation pipe by
pouring distilled water into the
condensation tray.
A bottle with a spout is
recommended for pouring the
water into the condensation
tray.
10.Switch the indoor unit to
cooling mode.
11.Check the correct function
and settings of all regulation,
control and safety devices
during the test run.
12.Check the control system in the
indoor unit using the functions
described in the manual.
Timer, temperature settings and
all mode settings.
13.Check the overheating,
outdoor, indoor, outlet and
vaporisation temperatures and
record the measured values in
the commissioning report.
14.Switch the indoor unit to
heating mode.
15.Check all the previously
described safety devices and
functions during the test run.
16.Record the measured values in
the commissioning report.
17.Remove the pressure gauge.
Check that seals have been
fitted in the sealing caps.
Final tasks
Re-fit all the dismantled parts.
Instruct the operator on how to
use the equipment.
Functional test for cooling and
heating modes
1. Remove the protective caps on
the valves.
2. Start the commissioning
procedure by briefly opening
the stop valves on the outdoor
component until the pressure
gauge
indicates a pressure of approx.
2 bar.
3. Use leak detection spray or
suitable devices to check that
all the connections are tight.4.
If no leaks are found, fully
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