19
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Configuration
Installer and user reference guide
126
LREN8~12A7 + LRNUN5A7
CO₂ ZEAS outdoor unit and capacity up unit
4P704142-1 – 2022.08
Description
Setting 8
(in mode 2)
Value 4
(in mode 2)
19.1.4 To access mode 1 or 2
After the units are turned ON, the display goes to its default situation. From there,
you can access mode 1 and mode 2.
Initialisation: default situation
NOTICE
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, capacity up unit, and all indoor
units. When the communication between the units is established and normal, the
display indication state will be as below (default situation when shipped from
factory).
1~2 min
8~10 min
b
a
a
Power ON
b
Default situation
Switching between modes
Use BS1 to switch between the default situation, mode 1 and mode 2.
BS1 [5 s]
BS1
BS1
BS1
a
b
c
a
Default situation (H1P OFF)
b
Mode 1 (H1P flashing)
c
Mode 2 (H1P ON)
BS1
Press BS1
BS1 [5 s]
Press BS1 for at least 5 s
INFORMATION
If you get confused in the middle of the process, press BS1 to return to the default
situation.
