Field Wiring: Overview - Daikin LRYEN-AY1 Installation And Operation Manual

14 Electrical installation
14.2

Field wiring: Overview

a
X2M
X1M (A1P)
X3M
X1M
PE
X1M PE X2M
L1 L2 L3 N C C1 W1 R P1 P2
c1
c2
d1 d2
3N~ 50 Hz
380-415 V AC
d
i
X1M
i
X1M
220-240 V AC
a Capacity up unit (LRNUN5A7Y1)
b Outdoor unit (LRYEN10A7Y1)
c1 Overcurrent fuse (field supply)
c2 Earth leakage circuit breaker (field supply)
d Alarm panel (field supply) for:
d1: Caution output signal
d2: Warning output signal
e Control panel (field supply) for operation output signal
f Remote operation switch (field supply)
g Remote low noise switch (field supply)
OFF: normal mode
ON: low noise mode
h Operation output signal to expansion valves of all:
h1: Blower coils (field supply)
h2: Showcases (field supply)
Installation and operation manual
26
X3M X1M (A1P)
TO TO TO
1 2 3
IN/D UNIT OUT/D UNIT MULTI UNIT
F1 F2 F1 F2 Q1 Q2
f g
e
L N P1 P2 F1 F2 T1 T2
L N P1 P2 F1 F2 T1 T2
k
j
c1
P1 P2
c2
1N~ 50 Hz
INFORMATION
Indoor units (air conditioning). This field wiring overview
shows only one possible wiring for the indoor units (air
conditioning). For more possibilities, see the indoor unit
manual.
b
X4M
X1M (A1P)
X5M
X1M
PE
X1M (A1P)
TO TO TO
C C1 W1 R P1 P2
IN/D UNIT OUT/D UNIT MULTI UNIT
F1 F2 F1 F2 Q1 Q2
DIII
d1 d2
d
X2M
X2M
k1
k2
k3
k4
k5
i Indoor unit (air conditioning)
j User interface for indoor units (air conditioning)
k Safety system (field supply). Example:
k1: Control panel
k2: CO
2
k3: Safety alarm (lamp)
k4: Ventilation (natural or mechanical)
k5: Shut off valve
l Communication box (BRR9B1V1)
m Monitoring system (field supply)
Wiring:
RS-485
RS-485 transmission wiring (mind polarity)
DIII
DIII transmission wiring (no polarity)
R1
Operation output
X4M X5M
1 2 3 L1 L2 L3 N
f g
3N~ 50 Hz
380-415 V AC
e
h
h1 h2
R1
l
X1M
X3M
PE
X3M X1M PE
A+ B- F1 F2 L N
m
c1
c2
1N~ 50 Hz
220-240 V AC
refrigerant leak detector
LRYEN10A7Y1+LRNUN5A7Y1
CO₂ Conveni-Pack outdoor unit and capacity up unit
4P605461-1B – 2020.08
X1M PE
c1
c2