18 Commissioning
Installation and operation manual
37
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600329-1A – 2020.01
[1‑40] [1‑41]
Shows:
▪ [1‑40]: The current cooling comfort setting.
▪ [1‑41]: The current heating comfort setting.
17.1.8
Mode 2: Field settings
[2‑8]
T
e
target temperature during cooling operation.
[2‑8]
T
e
target (°C)
0 (default)
Auto
2
6
3
7
4
8
5
9
6
10
7
11
[2‑9]
T
c
target temperature during heating operation.
[2‑9]
T
c
target (°C)
0 (default)
Auto
1
41
3
43
6
46
[2‑18]
Fan high static pressure setting.
If the static pressure of the the outdoor unit fan increases, the airflow
decreases and the fan motor power input increases. The unit is able
to estimate the ESP via measurements.
Via this setting, the installer can set the ESP to a fixed level or
change the moment of ESP evaluation.
Note:
For an ESP level higher than 45 Pa, level 0 is kept for
reliability of the fan motor.
[2‑18]
High ESP setting
0 (default)
Auto setting at commissioning mode and
stand-by mode
1
Auto setting at commissioning mode only
2
Level 0 (ESP between 0-20 Pa)
3
Level 1 (ESP between 20-35 Pa)
4
Level 2 (ESP between 35-45 Pa)
[2‑20]
Manual additional refrigerant charge.
[2‑20]
Description
0 (default)
Deactivated.
1
Activated.
To stop the manual additional refrigerant
charge operation (when the required additional
refrigerant amount is charged), push BS3. If
this function was not aborted by pushing BS3,
the unit will stop its operation after 30 minutes.
If 30 minutes was not sufficient to add the
needed refrigerant amount, the function can be
reactivated by changing the field setting again.
[2‑60]
Supervisor remote controller setting.
For details about the supervisor remote controller, see
9] or refer to the remote controller installation
and user reference guide.
[2‑60]
Description
0 (default)
No supervisor remote controller connected to
the system
1
Supervisor remote controller connected to
system
18
Commissioning
NOTICE
General
commissioning
checklist.
Next
to
the
commissioning instructions in this chapter, a general
commissioning checklist is also available on the Daikin
Business Portal (authentication required).
The general commissioning checklist is complementary to
the instructions in this chapter and can be used as a
guideline and reporting template during the commissioning
and hand-over to the user.
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
18.1
Precautions when commissioning
CAUTION
Do NOT perform the test operation while working on
the indoor units.
When performing the test operation, NOT only the outdoor
unit, but the connected indoor unit will operate as well.
Working on an indoor unit while performing a test operation
is dangerous.
NOTICE
Be sure to turn on the power 6 hours before operation in
order to have power running to the crankcase heater and
to protect the compressor.
During test operation, the outdoor unit and the indoor units will start
up. Make sure that the preparations of all indoor units are finished
(field piping, electrical wiring, air purge, ...). See installation manual
of the indoor units for details.
18.2
Checklist before commissioning
After the installation of the unit, first check the items listed below.
Once all checks are fulfilled, the unit must be closed. Power-up the
unit after it is closed.
You read the complete installation and operation
instructions, as described in the
installer and user
reference guide
.
Installation
Check that the unit is properly installed, to avoid abnormal
noises and vibrations when starting up the unit.
Field wiring
Be sure that the field wiring has been carried out
according to the instructions described in the chapter
31], according to the wiring
diagrams and according to the applicable legislation.
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