Installation manual
42
0 EKCBX/H008BAV3
Unit for air to water heat pump system
4PW64602-1A – 09.2010
14. T
EST
RUN
AND
FINAL
CHECK
The installer is obliged to verify correct operation of the indoor and
outdoor unit after installation.
14.1. Final check
Before switching on the unit, read following recommendations:
■
When the complete installation and all necessary settings have
been carried out, close all panels of the outdoor unit and the
indoor unit.
■
The service panel of the outdoor unit switch box and front panel
of the indoor unit may only be opened by a licensed electrician
for maintenance purposes.
Pre-run checks
14.2. Test run operation (manual)
If required, the installer can perform a manual test run operation at
any time to check correct operation of cooling, heating and domestic
water heating.
Procedure
1
Push the
z
button 4 times so the
t
icon will be displayed.
2
Depending on the indoor unit model, heating operation, cooling
operation or both must be tested as follows (when no action is
performed, the user interface will return to normal mode after 10
seconds or by pressing the
z
button once):
•
To test the heating operation push the
h
/
c
button so the
h
icon is displayed. To start the test run operation press the
y
button.
•
To test the cooling operation push the
h
/
c
button so the
c
icon is displayed. To start the test run operation press the
y
button.
•
To test the domestic water heating operation push the
v
button. The test run operation will start without pressing the
y
button.
3
The test run operation will end automatically after 30 minutes or
when reaching the set temperature. The test run operation can
be stopped manually by pressing the
z
button once. If there are
misconnections or malfunctions, an error code will be displayed
on the user interface. Otherwise, the user interface will return to
normal operation.
4
To resolve the error codes, see "17.3. Error codes" on page 45.
15. O
PERATION
OF
THE
UNIT
Once the unit is installed and test operation of outdoor unit and
indoor units is finished, the operation of the unit can start.
For operating the indoor unit, the user interface of the indoor unit
should be switched ON. Refer to the indoor unit operation manual for
more details.
DANGER
Never leave the unit unattended during installation or
servicing. When the service panel is removed live parts
can be easily touched by accident..
NOTICE
Note that during the first running period of the unit,
required power input may be higher than stated on the
nameplate of the unit. This phenomenon originates from
the compressor that needs elapse of a 50 hours run in
period before reaching smooth operation and stable power
consumption.
Items to check
Electrical wiring
Inter-unit wiring
Earth wire
■
Is the wiring as mentioned on the wiring
diagram?
■
Make sure no wiring has been forgotten and
that there are no missing phases or reverse
phases.
■
Is the unit properly earthed?
■
Is the wiring between units connected in
series correct?
■
Are any of the wiring attachment screws
loose?
■
Is the insulation resistance at least 1 M
Ω
?
-
Use a 500 V mega-tester when measuring
insulation.
-
Do not use a mega-tester for low-voltage
circuits.
To display the last resolved error code, push the
z
button
1 time. Push the
z
button again 4 times to return to
normal mode.
NOTICE
It is not possible to perform a test run if a forced operation
from the outdoor unit is in progress. Should forced
operation be started during a test run, the test run will be
aborted.
DANGER
Never leave the unit unattended with an open front panel
during test run.
CAUTION
To protect the compressor, make sure to turn on the power
supply 6 hours before starting operation.
4PW64602-1A.book Page 42 Thursday, September 23, 2010 10:40 AM
