Daikin BEV2, Руководство по установке для специалистов

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5 | About the unit
Installer reference guide
14
BEV2N-A
CO₂ Conveni-Pack: BEV2 unit
4P677928-1 – 2021.10
5 About the unit
INFORMATION
The BEV2 unit is an extension for the indoor unit containing external expansion
valves. It is mandatory for some units using CO2 refrigerant; see the Daikin catalogue
for combinations.
5.1 System layout
INFORMATION
The following illustration is an example and might NOT match your system layout.
a b
f f
d
e
c
g
i
j
k
l
i
m
j
k
l
m
h
a Main outdoor unit (LRYEN10*)
b Capacity up unit (LRNUN5*)
c Communication box (BRR9B1V1)
d BEV2 unit
e Indoor unit for air conditioning
f Indoor unit for refrigeration (showcase)
g Indoor unit for refrigeration (blower coil)
h Safety valve
i CO
2
control panel
j CO
2
detector
k CO
2
alarm
l CO
2
ventilator
m Shut-off valve