Power Wiring And Communication Cable System Layout - LG ARUM072BTE5 Installation Manual

Example of a Typical Heat Pump Operation Power Wiring and Communications Cable System Schematic.
3 Phase 3 Wires
Power supply
60Hz 208-230V or
60Hz 460V
Main Switch
Power supply
1 Phase 60Hz
208-230V
L1 L2
Disconnect
Example of a Typical Heat Recovery Operation Power Wiring and Communications Cable System Schematic.
3 Phase 3 Wires
Power supply
60Hz 208-230V or
60Hz 460V
Main Switch
Switch
Fused
Power supply
Disconnect
1 Phase 60Hz
208-230V
L1 L2
Disconnect Power Line
(2-wire Cable)

Power Wiring and Communication Cable System Layout

R(L1) S(L2) T(L3) R(L1) S(L2) T(L3)
Switch Switch
Fused
Disconnect
Fused
Disconnect
Power Line
(2-wire Cable)
Power Line
(3-wire Cable)
Pull box Pull box
(Installer option) (Installer
option)
Power Line
(2-wire Cable)
R(L1) S(L2) T(L3 ) R (L1) S(L2) T(L3 )
Switch Switch
Fused
Disconnect Disconnect
Power Line
(3-wire Cable)
Pull box Pull box
(Installer
(Installer
option)
option)
HR unit
Power Line
Power Line
(2-wire Cable)
(2-wire Cable)
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Master
)
R(L1) S(L2) T(L3
Switch
Fused
Disconnect
Pull box
(Installer
option)
Power Line Power Line
(2-wire Cable) (2-wire Cable)
Communication Line
(3-wire Cable)
Indoor Units
Master
R (L1) S(L2) T(L3)
Fused
Pull box
(Installer
option)
Power Line
(2-wire Cable)
Indoor Units
ELECTRICAL
Slave1 Slave2
Communication Line
(2-wire Cable)
Power Line
(2-wire Cable)
Slave1 Slave2
Communication Line
(2-wire Cable)
Power Line
(2-wire Cable)
Communication Line
(3-wire Cable)
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