CombiMaster 120V Series – User and Installation Manual
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7.6.2 Network wiring of single-phase parallel units
Figure 19: Three units in parallel – MasterBus network wiring
* In case of a CZone network, connect drop cables instead of MasterBus cables. Plug the connectors
into either of the ports. In case of a MasterBus network, the MasterBus Terminator may be located
somewhere else in the network. Ensure that the MasterBus or CZone network is properly terminated.
7.6.3 Network wiring of split-phase units
Figure 20: Two units in split-phase – MasterBus network wiring
* In case of a CZone network, connect drop cables instead of MasterBus cables. Plug the connectors
into either of the ports. In case of a MasterBus network, the MasterBus Terminator may be located
somewhere else in the network. Ensure that the MasterBus or CZone network is properly terminated.
MasterBus cables* (
GREEN
)
Communication cables (
GRAY
)
Current Sharing cables (
BLACK
)
Primary
Replica 1
Replica 2
MasterBus cables* (
GREEN
)
Communication cables (
GRAY
)
Primary (L1)
Replica 1 (L2)
