13
|
About the units and options
Installer and user reference guide
46
LREN8~12A7 + LRNUN5A7
CO₂ ZEAS outdoor unit and capacity up unit
4P704142-1 – 2022.08
Capacity up unit: LR NU N 5 A7 Y1:
NU
Subcooler unit
N
Refrigerant: R744 (CO
2
)
5
Capacity indication in HP
A7
Model series
Y1
Power supply (3~ / 50 Hz / 380~415 V)
13.2 About the outdoor unit
This installation manual concerns the outdoor unit and the optional capacity up
unit.
These units are intended for outdoor installation and aimed for refrigeration
applications.
NOTICE
These units (LREN* and LRNUN5*) are only parts of a refrigeration system, complying
with partial unit requirements of the International Standard IEC 60335-2-40:2018. As
such, they must ONLY be connected to other units that have been confirmed as
complying to corresponding partial unit requirements of this International Standard.
General name and product name
In this manual, we use the following names:
General name
Product name
Outdoor unit
LREN8A7Y1B
LREN10A7Y1B
LREN12A7Y1B
Capacity up unit
LRNUN5A7Y1
Temperature range
Temperature type
Temperature range
Outdoor temperature
(a)
–20~43°C DB
Evaporation temperature Low temperature
–40~–20°C DB
Medium temperature
–20~5°C DB
(a)
For low load restrictions, see
"13.5.1 Constraints for refrigeration"
54].
