Installation manual

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2. System with connection to a PAC-YG50ECA Expansion controller
NOTES
Connecting the PAC-YG50ECA Expansion controller (sold separately)
* Supply 24 VDC power from PAC-SC51KUA to the AG-150A when using PAC-YG50ECA.
* M-NET transmission line does not need to be connected to the AG-150A or PAC-SC51KUA.
Signal communication from the AG-150A is performed entirely over the LAN.
Connect the LAN from the AG-150A to the PAC-YG50ECA via a switching HUB.
FG
V+
V-A B S CN1 CN2
24VDCM-NET
ABS V+V-FG
M-NET Output
CN1 CN2
TB2 TB3
24VDC
Centralized controller
AG-150A
(Front view)
Switching HUB
PAC-YG50ECA
Outdoor unit
LAN
Cable clamp
DC power supply line (24VDC)
* Polarized
Power supply unit (PAC-SC51KUA)
Centralized controller (Back view)
Power supply unit
DC power supply
line (Polarized)
DC power
supply line
(Polarized)
Function earthing
(ground) line
50m (164 ft) or less
* Use ring terminals to connect the cables.
TB7
M-NET
WT05368X08.fm Page 22 Thursday, March 17, 2011 9:21 AM