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5 Installation
Installation and operation manual
17
4BY1
Air-cooled refrigeration condensing unit
4P495373-1 – 2017.07
e
Greenhouse gas emissions
of the total refrigerant charge
expressed as tonnes CO
2
-equivalent
f
GWP = Global warming potential
NOTICE
In Europe, the
greenhouse gas emissions
of the total
refrigerant charge in the system (expressed as tonnes
CO
2
-equivalent) is used to determine the maintenance
intervals. Follow the applicable legislation.
Formula to calculate the greenhouse gas emissions:
GWP value of the refrigerant × Total refrigerant charge [in
kg] / 1000
2
Fix the label on the inside of the outdoor unit near the gas and
liquid stop valves.
5.6
Connecting the electrical wiring
5.6.1
Field wiring: Overview
Field wiring consists of the following:
t°
H1P
S2T
E1H
t°
K1M
S1T
Y1S
Ry 0
S2T
NC
TeS1
No
T1
T1
E1H
t°
Ry0
t°
Ry 1
K1M
S1T
H1P
P1 P2
W1
C C1
R
X3M
X1M
L2
N
L1
L3
B
X2M
A
D
C
F1 F2
Ry 0
Ry 0
K1M
Ry 0
Ry 0
Ry 0
K1M
Ry 1
Y1S
3D111889
A
e
c
a
b
i
j
k
h
f
b
d
B
B
b
b
g
A
Outdoor unit
B
Indoor unit
a
To outdoor unit
b
Earth leakage circuit breaker
c
High voltage wiring intake
d
Control board (field supply)
e
Caution signal
f
Warning signal
g
Run signal
h
Operation signal
i
Earth
j
Remote operation switch
k
OFF: normal mode
ON: low-noise mode
T1
Timer
RY0, RY1
Relay
H1P
Defrost indicator
K1M
Contactor defrost heater
E1H
Defrost heater
S1T
Inner temperature adjustment thermostat
S2T
Defrost completion thermostat
Y1S
Solenoid valve
3N~ 50 Hz
380-415 V
L1 L2 L3
L1 L2 L3
N
X1M
a
d e
g h
i
j
f
b
c
B
A
C
F1 F2
X2M
X3M
D
C C1 W1 R P1 P2
a
Earth leakage circuit breaker
b
Fuse
c
Power supply (including earth) (sheathed cable)
d
Low-noise switch
e
Remote operation switch
f
Transmission
g
Caution signal
h
Warning signal
i
Run signal
j
Operation signal
Содержание LRMEQ3BY1
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