Low Voltage Wiring - Capacity Up Unit; High Voltage Wiring - Capacity Up Unit - Daikin LRYEN-AY1 Installation And Operation Manual

14 Electrical installation
14.7.1 Low voltage wiring – Capacity up unit
Connections/routing/fixing
TO
IN/D UNIT
F1
X1M (A1P)
1
X3M
a
2
c/d a/b
X1M (A1P) DIII transmission wiring:
a: To outdoor unit
b: To indoor units (air conditioning)
X3M Remote switches:
c: Remote operation switch
d: Remote low noise switch
1
X1M (A1P)
X3M
e Wiring intake (knockout hole) for low voltage. See
"14.3 Guidelines when knocking out knockout
holes" [ 4 27].
Details – DIII transmission wiring
See "14.5 Specifications of standard wiring
Details – Remote operation switch
NOTICE
Remote operation switch. The unit is factory-equipped
with an operation switch with which you can turn unit
operation ON/OFF. If you want to remotely turn ON/OFF
operation of the capacity up unit, a remote operation switch
is required. Use a voltage-free contact for microcurrent
(≤1 mA, 12 V DC). Connect to X3M/1+2, and set to
"Remote".
Installation and operation manual
30
X1M (A1P)
TO TO
OUT/D UNIT MULTI UNIT
F2 F1 F2 Q1 Q2
b
X3M
1 2 3
c d
2
e
components" [ 4 27].
OFF
S1S
S1S Factory-equipped operation switch:
OFF: Unit operation turned OFF
ON: Unit operation turned ON
Remote: Unit controlled (ON/OFF) with remote operation
switch
Wiring remote operation switch:
Wiring
Maximum wiring length
Details – Remote low noise switch:
NOTICE
Low noise switch. If you want to remotely turn ON/OFF
low noise operation, you must install a low noise switch.
Use a voltage-free contact for microcurrent (≤1 mA,
12 V DC).
Low noise switch
OFF
ON
Wiring low noise switch:
Wiring
Maximum wiring length
14.7.2 High voltage wiring – Capacity up unit
Connections/routing/fixing
a
b
X2M
c
1
X1M
PE
2
a d/e/f
X1M Power supply:
a: Power supply cable
b: Overcurrent fuse
c: Earth leakage circuit breaker
PE Protective earth (screw)
CO₂ Conveni-Pack outdoor unit and capacity up unit
Sheathed cable (2 wires)
Vinyl cords
0.75~1.25 mm²
130 m
Mode
Normal mode
Low noise mode
Sheathed cable (2 wires)
Vinyl cords
0.75~1.25 mm²
130 m
X1M PE
L1 L2 L3 N
L1 L2 L3 N
3N~ 50 Hz
380-415 V
X2M
C C1 W1 R P1 P2
d e f
LRYEN10A7Y1+LRNUN5A7Y1
4P605461-1B – 2020.08