Engineering Manual

Due to our policy of continuous product innovation, some specications may change without notication.
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PRODUCT DATA | 33
Product Data
Figure 31: LA90HSV5 and LA120HSV5 General Power / Communica-
tions System Schematic.
Figure 32: LA180HSV5 General Power / Communications System
Schematic.
• Use a conduit for the communications cable / power wiring from the outdoor unit to the indoor units.
• Make sure the communications cable / power wiring from the outdoor units to the indoor units, and the power wiring to the outdoor unit are
separate, otherwise, the outdoor unit operation may be affected by electrical noise and will malfunction or fail.
208/230 VAC
Figure 33: LA090-120HSV5 System Electrical Connections. Figure 34: LA180HSV5 System Electrical Connections.
Power Supply
Circuit Breaker
Ground Wiring
Outdoor Unit
Indoor Unit
Power Supply
Circuit Breaker
Ground Wiring
Outdoor Unit
Indoor Unit
ELECTRICAL CONNECTIONS
Figure 35: LA240HSV3 System Electrical Connections.