19
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Configuration
Installer and user reference guide
123
LREN8~12A7 + LRNUN5A7
CO₂ ZEAS outdoor unit and capacity up unit
4P704142-1 – 2022.08
19 Configuration
DANGER: RISK OF ELECTROCUTION
INFORMATION
It is important that all information in this chapter is read sequentially by the installer
and that the system is configured as applicable.
In this chapter
19.1 Making field settings
19.1.1 About making field settings
To configure the outdoor unit and capacity up unit, you must give input to the
main PCB (A1P) of the outdoor unit and capacity up unit. This involves the
following field setting components:
▪
Push buttons to give input to the PCB
▪
A 7-segment display to read feedback from the PCB
▪
DIP switches to set the target evaporating temperature for the refrigeration side
19.1.2 To access the field setting components
You do not have to open the complete electrical component box to access the field
setting components.
1
Open the front panel (middle front panel in case of outdoor unit). See
"14.2.2 To open the outdoor unit"
2
Open the inspection hole cover (left), and turn OFF the operation switch.
3
Open the inspection hole cover (right), and make the field settings.
a
b
c2
c1
1 2 3 4
OFF
ON
DS1
d
d e
d e
e
1 2 3 4
OFF
ON
DS2
BS1 BS2 BS3
REMOTE
OFF ON
e1
e2
e3
