Daikin LREN8A7Y1B, Инструкция по установке и эксплуатации

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11 About the units and options
Installation and operation manual
14
LREN8~12A7 + LRNUN5A7
CO ₂ ZEAS outdoor unit and capacity up unit
4P704141-1B – 2022.12
a Declaration of conformity
11 About the units and options
11.1 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 'Constraints for refrigeration' in the
Installer and user reference guide.
11.1.1 Labels on outdoor unit
Label about flow directions
Label used for Text on label Translation
The first two labels:
Capacity up unit
from LRYEN10A7Y1
or LREN12A7Y1B to
Refrigeration From LRYEN10A7Y1
or LREN12A7Y1B to
Refrigeration
Label used for Text on label Translation
The third label:
Outdoor unit (left unit)
Gas from
Refrigeration Gas from
Refrigeration
Liquid to
LRNUN5A7Y1 or to
Refrigeration Liquid to
LRNUN5A7Y1 or to
Refrigeration
Label about service ports – left unit
SP3 SP7 SP10
Label about service ports – right unit
SP8 SP11
Label about safety valve
WARNING
Unit is charged and under high pressure.
Set pressure of safety valve is 90 bar g .
If refrigerant temperature is higher than 31°C
there is a possibility that the safety valve will
open during service or power shutdown.
Text on warning label Translation
Unit is charged and under high
pressure. Unit is charged and under high
pressure.
Set pressure of safety valve is 90
bar g. Set pressure of safety valve is
90 bar g .
If refrigerant temperature is
higher than 31°C there is a
possibility that the safety valve
will open during service or power
shutdown. If refrigerant temperature is
higher than
31°C there is a
possibility that the safety valve
will open during service or power
shutdown.
Check the set pressure of the safety valve at the low pressure side
of the refrigeration cabinet to verify a safe service temperature.
See also "13.4 About safety valves" [
4
27].
Label about maximum storage temperature
MAXIMUM STORAGE TEMPERATURE.
55°C
A CO 2 detector is always recommended during storage and transport.
Text on warning label Translation
MAXIMUM STORAGE
TEMPERATURE: 55°C MAXIMUM STORAGE
TEMPERATURE: 55°C
A CO
2
detector is always
recommended during storage
and transport.
A CO
2
detector is always
recommended during storage
and transport.