18
|
Electrical installation
Installer and user reference guide
101
R R8T7V1B
VRV IV heat pump for indoor installation
4P499898-1A – 2020.10
Total wiring length
(= distance between compressor unit
and all indoor units, and between
compressor unit and heat exchanger
unit)
600 m
If the total transmission wiring exceeds these limits, it may result in communication
error.
18.2 To connect the electrical wiring on the compressor unit
NOTICE
▪
Follow the wiring diagram (delivered with the unit, located on the switch box
cover).
▪
Make sure the electrical wiring does NOT obstruct proper reattachment of the
service cover.
1
Remove the service covers of the compressor unit and the switch box. See
2
Connect the transmission wiring as follows:
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
b
X2M
X2M
X2M
X1M (A1P)
RKXYQ5
RDXYQ5
TO OUT/D
TO IN/D
F1 F2
F1 F2
a1
a2
a2
a
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
b
a
RKXYQ8
RDXYQ8
TO OUT/D
TO IN/D
F1 F2
F1 F2
8 HP
5 HP
a
Sh shielded cable (2 wires) (no polarity)
a1, a2
Connection of shield to earth
b
Terminal board (field supply)
NOTICE
Shielded cable.
Using shielded cable for the transmission wiring is mandatory for
5 HP, and optional for 8 HP.
X2M
F1F2
F1F2
a1
X1M
X1M (A1P)
5 HP
8 HP
X2M
a2
F1
F2
X2M
a2
F1
F2
RKXYQ5
RDXYQ5
RKXYQ8
RDXYQ8
a1, a2
Earth (use the screw delivered as accessory)
When using shielded cable:
▪
In case of 5 HP (
a1
and
a2
): Connect the shield to the earth of the compressor
unit and the heat exchanger unit.
▪
In case of 8 HP (only
a2
): Connect the shield only to the earth of the heat
exchanger unit.
Содержание VRV IV RKXYQ5T8Y1B Series
Страница 155: ......
Страница 156: ...4P499898 1A 2020 10 Copyright 2017 Daikin Verantwortung f r Energie und Umwelt...