Daikin VRV-WIV RWEYQ-T Series - 14.4. Opening and closing the electrical component box; 14.5. Requirements

Installation and operation manual
26
RWEYQ8+10T8Y1B
VRV-W IV System Air Conditioner
4P399208-1 – 2015.01
In case of single outdoor unit system
A Heat pump system
B Heat recovery system
1 COOL/HEAT selector
2 PC board (A1P)
3 Take care of the polarity
4 Use the conductor of sheathed wire (2 wire) (no polarity)
5 Terminal board (field supply)
6 Indoor unit
7 Never connect the power wire.
8 BS unit A
9 BS unit B
10 Last BS unit
11 Cooling only unit
In case of multi outdoor unit system
1 Unit A (Master unit)
2 Unit B (Slave unit 1)
3 Unit C (Slave unit 2)
4 TO IN/D UNIT
5 TO OUT/D UNIT
6 TO MULTI UNIT
7 To COOL/HEAT selector (only Heat pump system)
8 Outdoor-indoor unit transmission (F1/F2)
9 Outdoor-other system transmission (F1/F2)
10 Outdoor-outdoor unit transmission (Q1/Q2)
 The transmission wiring between the outdoor units in the same
pipe line must be connected to the Q1/Q2 (Out Multi) (10)
terminals.
Connecting the wires to the F1/F2 (Out-Out) (9) terminals results
in system malfunction.
 The wiring for the other lines must be connected to the F1/F2
(Out-Out) (9) terminals of the PC board in the outdoor unit to
which the transmission wiring for the indoor units is connected.
 The outdoor unit to which the transmission wiring for the indoor
units is connected is master unit.
14.6.3 Power supply wiring and transmission wiring in the unit
Make sure to connect the power wire to the power terminal block and
fix it using attached clamp as shown below.
1 Power supply
(3N~, 380-415 V)
2 Branch switch, overcurrent breaker
3 Earth wire
4 Earth leakage breaker
5 Attach insulation sleeves.
6 Power supply terminal block
7 Earth terminal
8 Fix the earth wires along with the power wires using the
accessory clamp.
9 Earth wire
10 When wiring, do not allow the earth wires to contact the
compressor lead wires. If the wires contact each other,
adverse effects may occur to other units.
11 When connecting two wires to one terminal, ensure that
the crimp-style terminals face each other back to back.
Make sure that the wire of the smaller gauge is located
above.
12 Terminal block
13 Crimp-style terminal
14 Wire gauge: Small
15 Wire gauge: Large
A B C
ABCF1 F1F2 F2 Q1 Q2
F1 F2 F1 F2 F1 F2
F1 F2 F1 F2 F1 F2
F1 F2 F1 F2 F1 F2
4
5
6
1
2
7
C/H SELECTOR
TO IN/D UNIT TO OUT/D UNIT TO MULTI UNIT
3
ABCF1 F1F2 F2 Q1 Q2
2
C/H SELECTOR
TO IN/D UNIT TO OUT/D UNIT TO MULTI UNIT
IN/D OUT/D.BS
F1 F1F2 F2
F1 F2
F1 F2
F1 F2
F1 F2
IN/D OUT/D.BS
F1 F1F2 F2
F1 F2
IN/D OUT/D.BS
F1 F1F2 F2
F1 F2
8
11
9
10
6
4
B
A
7
A1P
A B CF1F2F1F2Q1Q2
A1P
ABCF1F2F1F2Q1Q2
A BCF1F2F1F2Q1Q2 Q1Q2 Q1Q2
A1P
1
4
7
8
9
56 6 6
23
10 10
1
2
4
3
6
5
8
9
10
7
12
11
13
14
15