Wiring Diagram: Outdoor Unit - Daikin LRMEQ3AY1 Installer And User Reference Manual

Air-cooled refrigeration condensing unit
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13 Technical data
13.6

Wiring diagram: Outdoor unit

The wiring diagram is delivered with the unit, located at the inside of
the service cover.
3N~ 380-415 V
50 Hz
N
L3
L2
L1
X1M
L1
L2
Q1DI
RED
WHT BLK
L1A
L2A
L3A
Z1F
Z2F
K1M
L11A
L21A
L31A
A1P
RED
WHT
BLK
Z1C
N=5
V2R
L1B
L2B
P1
BLK
+
P2
L1R
ORG
P3
+
C1
+
BRN
P4
R9T
+
X111A U
V
X102A
W
Position of
A2P
U
compressor terminal
V
Z4C
N=6
Wire entrance
RED
WHT
U
V
3+4 HP
MS
3~
Notes:
1
This wiring diagram applies only to the outdoor unit.
2
Symbols (see below).
3
Symbols (see below).
4
Refer to the installation manual or service manual on how to
use BS1~BS5 push button switch and DS1‑1, DS1‑2 DIP
switch.
5
Do not operate the unit by short-circuiting protection device
S1PH.
6
Colours (see below).
7
Use a voltage-free contact for microcurrent (≤1 mA, 12 V DC).
8
Error output is 220-240 V AC, with a maximum load of 0.5 A.
Symbols:
L
Live
N
Neutral
Field wiring
Terminal strip
Connector
Fixed connector
Movable connector
Protective earth (screw)
Noiseless earth
Terminal
Colours:
BLK
Black
BLU
Blue
BRN
Brown
Installer and user reference guide
38
L3 N
GRN
/YLW
BLU
GRN
NA
E
F1U
R1
F4U
F3U
K5R
X9A
X8A
Z2C
X109A
X108A
X104A
L3B
N1
PS
WHT
R1
K6R
N2
V3R
C2
+
C3
R2
+
V1R
X107A
W
X106A
Z3C
N=5
X506A
BLK
X516A
W
MS
MS
M1C
M1F
M2F
3~
3~
HAP
S1PH
X4A
P>
R1T
R2T
X32A
X11A
1
1
HAP
X50A
A
B
C
X2M
X507A
Note 7
Note 7
OFF: Normal mode
OFF: Unit operation OFF
X517A
ON: Low noise mode
ON: Unit operation ON
GRN
Green
ORG
Orange
RED
Red
WHT
White
YLW
Yellow
Legend for wiring diagram LRMEQ3+4:
A1P
Printed circuit board (main)
A2P
Printed circuit board (inverter)
BS1~BS5
Push button switch (MODE, SET, RETURN, TEST,
RESET)
C1~C3
Capacitor
DS1
DIP switch
E1HC
Crankcase heater
F1U~F4U
Fuse (T 6.3 A / 250 V)
(A1P)
F5U
Fuse (F 1.0 A / 250 V)
H1P~H8P
Light‑emitting diode (service monitor is orange)
H2P:
▪ Prepare, test: Flickering
▪ Malfunction detection: Light up
HAP (A1P)
Light-emitting diode (service monitor is green)
HAP (A2P)
Light-emitting diode (service monitor is green)
K1M (A1P)
Magnetic contactor
K1R
Magnetic relay (Y1S)
K2R
Magnetic relay (Y2S)
K3R
Magnetic relay (Y3S)
K4R
Magnetic relay (E1HC)
H2P H4P
H6P
H1P
H3P
H5P
BS1
BS2
BS3
BS4
X26A
X27A
X28A
X17A
E1HC
Y2S
Y3S
X18A
R3T
R4T
R5T
R6T
R7T
R8T
X21A
X12A
X13A
1
X22A
X25A
F5U
E1
E2
A1P
X1M
X2M
Note 8
Error output
Electronic components
assembly front
2D103125-1
LRMEQ3+4AY1
Air-cooled refrigeration condensing unit
4P442131-1 – 2016.03
H8P
H7P
DS1
ON
OFF
BS5
1 2
S1NPH
S1NPL
Y1E
6
M
Y3E
6
M
A2P
A
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