11 About the units and options
Installation and operation manual
12
LRYELRNUN5A7Y1
CO
₂
Conveni-Pack outdoor unit and capacity up unit
4P605461-1B – 2020.08
11.1.1
Labels on outdoor unit
Label about flow directions
Text on caution label
Translation
from LRYEN10A7Y1 to
Refrigeration
from LRYEN10A7Y1 to
Refrigeration
Gas for Airco
Gas for Airco
Liquid for Airco
Liquid for Airco
Gas from Refrigeration
Gas from Refrigeration
Liquid to LRNUN5A7Y1 or to
Refrigeration
Liquid to LRNUN5A7Y1 or to
Refrigeration
Label about safety valve
WARNING
Unit is charged and under high pressure.
Set pressure of safety valve is
86 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 86
bar g.
Set pressure of safety valve is
86 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.
"13.3.5 Guidelines to install safety valves"
Card about stop valves and service ports
WARNING
Unit is charged and under high pressure.
Text on warning card
Translation
Unit is charged and under high
pressure.
Unit is charged and under high
pressure.
"13.2 Using stop valves and service ports"
20].
Label about maximum storage temperature
MAXIMUM STORAGE TEMPERATURE
55°C
Text on warning label
Translation
MAXIMUM STORAGE
TEMPERATURE: 55°C
MAXIMUM STORAGE
TEMPERATURE: 55°C
The unit is factory charged with refrigerant. To avoid the safety relief
valve being opened, the unit must not be exposed to temperatures
above 55°C.
11.2
System layout
INFORMATION
The following illustration is an example and might NOT
match your system layout.
a
b
e
e
d
c
f
h
i
j
k
h
l
i
j
k
l
g
a
Main outdoor unit (LRYEN10*)
b
Capacity up unit (LRNUN5*)
c
Communication box (BRR9B1V1)
d
Fan (indoor unit for air conditioning)
e
Showcase (indoor unit for refrigeration)