5 Commissioning
Installation manual
10
RZQG7 RZQG71~12 RZQG140L7Y1L
Split system air conditioners
4P473073-1 – 2017.03
5
Commissioning
NOTICE
NEVER operate the unit without thermistors and/or
pressure sensors/switches. Burning of the compressor
might result.
5.1
Checklist before commissioning
Do NOT operate the system before the following checks are OK:
You read the complete installation instructions, as
described in the
installer reference guide
.
The
indoor units
are properly mounted.
In case a wireless user interface is used: The
indoor unit
decoration panel
with infrared receiver is installed.
The
outdoor unit
is properly mounted.
The following
field wiring
has been carried out according
to this document and the applicable legislation:
▪ Between the local supply panel and the outdoor unit
▪ Between the outdoor unit and the indoor unit
There are NO
missing phases
or
reversed phases
.
The system is properly
earthed
and the earth terminals
are tightened.
The
fuses
or locally installed protection devices are
installed according to this document, and have not been
bypassed.
The
power supply voltage
matches the voltage on the
identification label of the unit.
There are NO
loose connections
or damaged electrical
components in the switch box.
The
insulation resistance
of the compressor is OK.
There are NO
damaged components
or
squeezed
pipes
on the inside of the indoor and outdoor units.
There are NO
refrigerant leaks
.
The correct pipe size is installed and the
pipes
are
properly insulated.
The
stop valves
(gas and liquid) on the outdoor unit are
fully open.
5.2
To perform a test run
This task is only applicable when using the BRC1E52 user interface.
▪ When using BRC1E51, see the installation manual of the user
interface.
▪ When using BRC1D, see the service manual of the user interface.
NOTICE
Do not interrupt the test run.
INFORMATION
Backlight.
To perform an ON/OFF action on the user
interface, the backlight does not need to be lit. For any
other action, it needs to be lit first. The backlight is lit for
±30 seconds when you press a button.
1
Perform introductory steps.
#
Action
1
Open the liquid stop valve (A) and gas stop valve (B)
by removing the stem cap and turning
counterclockwise with a hex wrench until it stops.
A
B
2
Close the service cover to prevent electric shocks.
3
Turn ON power for at least 6 hours before starting
operation to protect the compressor.
4
On the user interface, set the unit to cooling operation
mode.
2
Start the test run.
#
Action
Result
1
Go to the home menu.
Cool
Set to
28
°C
2
Press at least 4 seconds.
The Service Settings menu
is displayed.
3
Select Test Operation.
Return
Setting
Service Settings 1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address
4
Press.
Test Operation is
displayed on the home
menu.
Cool
Return
Setting
Test Operation
5
Press within 10 seconds.
Test run starts.
