4-2. Wiring connection
NOTES:
• Connection over different series in same refrigerant system is prohibited.
• Mixed connection of 230 V series and 460 V series is prohibited.
• Example 1 (OK)
When wiring to each refrigerant system
VR-II
Outdoor unit
RB unit
V-II
J-II
Transmission line
Transmission line
Transmission line
Master
Master
Slave
Slave
Slave
Transmission line
Refrigerant system 1
VRF network system
Refrigerant system 2
Refrigerant system 3
Outdoor unit
Outdoor unit
Indoor unit Indoor unit Indoor unit
Indoor unit Indoor unit Indoor unitIndoor unit
RB unit
IN/U OUT/U
RB unit
IN/U OUT/U
RB unit
IN/U OUT/U
Indoor unitIndoor unitIndoor unit
Refrigerant system 1
Refrigerant system 2
Refrigerant system 3
VR-II Outdoor unit
J-II Outdoor unit
V-II Outdoor unit
Master
Master
Slave
Slave
Slave
VR-II Outdoor unit
V-II Outdoor unit
VR-II Outdoor unit
Figure 4-4 Connection method to terminal
4-2. Wiring connection - (09-15) - 4. About connection between series
NOTES
NOTES
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