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7 Configuration
Installer and user reference guide
33
RXYTQ8~16U7YF
VRV IV+ heat pump for high ambient temperatures
4P561157-1 – 2018.09
7.2
Making field settings
7.2.1
About making field settings
Making settings is done via the master outdoor unit.
Next to making field settings it is also possible to confirm the current
operation parameters of the unit.
See also:
▪
"7.2.2 Field setting components" on page 33
▪
"7.2.3 To access the field setting components" on page 33
PC configurator
See also:
"7.2.9 To connect the PC configurator to the outdoor
.
Mode 1 and 2
Mode
Description
Mode 1
(monitoring
settings)
Mode 1 can be used to monitor the current
situation of the outdoor unit. Some field setting
contents can be monitored as well.
Mode 2
(field settings)
Mode 2 is used to change the field settings of
the system. Consulting the current field setting
value and changing the current field setting
value is possible.
In general, normal operation can be resumed
without special intervention after changing field
settings.
Some field settings are used for special
operation (e.g., 1 time operation, recovery/
vacuuming setting, manual adding refrigerant
setting, etc.). In such a case, it is required to
abort the special operation before normal
operation can restart. It will be indicated in
below explanations.
See also:
▪
"7.2.4 To access mode 1 or 2" on page 33
▪
"7.2.5 To use mode 1" on page 34
▪
"7.2.6 To use mode 2" on page 34
▪
"7.2.7 Mode 1: Monitoring settings" on page 34
▪
"7.2.8 Mode 2: Field settings" on page 35
7.2.2
Field setting components
Location of the 7‑segment displays, buttons and DIP switches:
a
b
BS1 BS2
DS1 DS2
BS3
X27A
BS1
MODE: For changing the set mode
BS2
SET: For field setting
BS3
RETURN: For field setting
DS1, DS2
DIP switches
a
7‑segment displays
b
Push buttons
7.2.3
To access the field setting components
It is not required to open the complete electronic component box to
access the push buttons on the PCB and read out the 7‑segment
display(s).
To access you can remove the front inspection cover of the front
plate (see figure). Now you can open the inspection cover of the
electrical component box front plate (see figure). You can see the
three push buttons and the three 7‑segment displays and DIP
switches.
2×
a
b
c
a
Front plate
b
Main PCB with 3 7‑segment displays and 3 push buttons
c
Electrical component box service cover
Operate the switches and push buttons with an insulated stick (such
as a closed ball-point pen) to avoid touching of live parts.
Make sure to re-attach the inspection cover into the electronic
component box cover and to close the front plate's inspection cover
after the job is finished. During operation of the unit the front plate of
the unit should be attached. Settings are still possible to be made
through the inspection opening.
NOTICE
Make sure that all outside panels, except for the service
cover on the electrical component box, are closed while
working.
Close the lid of the electrical component box firmly before
turning on the power.
7.2.4
To access mode 1 or 2
Initialisation: default situation
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.
Turn on the power supply of the outdoor unit and all indoor units.
When the communication between indoor units and outdoor unit(s) is
established and normal, the 7‑segment display indication state will
be as below (default situation when shipped from factory).
Stage
Display
When turning on the power supply: flashing as
indicated. First checks on power supply are
executed (1~2 min).
When no trouble occurs: lighted as indicated
(8~10 min).
Ready for operation: blank display indication as
indicated.
7‑segment display indications:
Off
Blinking
On
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