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6 Installation
A
B
C
E1 E2
NOTICE
Low-noise switch. If you want to remotely turn ON/OFF
low-noise operation (see setting [2‑25]), you must install a
low-noise
switch.
Use
microcurrent (≤1 mA, 12 V DC).
5 Connect the error output as follows:
A
B
C
E1 E2
NOTICE
Error output. If system malfunctions are likely to degrade
the articles in the room/showcase, you can install an alarm
(example: lamp). If a malfunction occurs, a signal
(220-240 V AC) is given to the error output (X2M/E1/E2).
Use an alarm with a maximum load of 0.5 A.
6 Connect the power supply as follows:
3N~ 50 Hz
380-415 V
L1 L2 L3
a
b
c
L1 L2 L3
N
a
Earth leakage circuit breaker
b
Fuse
c
Power supply cable
7 Fix the cables with cable ties.
a
Power supply (including earth)
b
Error output
c
Low-noise switch
d
Operation switch
e
Attachment plate
f
Cable tie
8 Route the wiring through the frame and connect it to it.
Installer and user reference guide
24
X2M
a
voltage-free
contact
for
X2M
X1M
X1M
X2M
a
b
c
d
e
f
Routing through
the frame
1
b
a
a Power supply cable and error output
cable
b Operation switch cable and low-noise
switch cable
Connecting to the
When cables are routed from the unit, a
frame
protection sleeve for the conduits (PG
insertions) can be inserted at the knockout
hole.
When you do not use a wire conduit,
protect the wires with vinyl tubes to
prevent the edge of the knockout hole from
cutting the wires.
A Inside of the outdoor unit
B Outside of the outdoor unit
a Wire
b Bush
c Nut
d Frame
e Hose
9 Reattach the service cover. See
unit" on
page 24.
10 Connect an earth leakage circuit breaker and fuse to the power
supply line.
6.9
Finishing the outdoor unit
installation
6.9.1
To close the outdoor unit
NOTICE
When closing the outdoor unit cover, make sure that the
tightening torque does NOT exceed 4.1 N•m.
1
2
1×
3
b
a
2
b
a
A B
a b c
d
e
"6.9.1 To close the outdoor
LRMEQ3+4AY1
Air-cooled refrigeration condensing unit
4P442131-1 – 2016.03
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Troubleshooting
