Installation manual

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1. System without connection to a PAC-YG50ECA Expansion controller
7 Wiring
NOTES
Connecting the M-NET transmission line to the AG-150A.
* Connect the M-NET transmission to the centralized controller system side, and supply power to the M-NET from PAC-
SC51KUA.
* Leave the power jumper connected to CN41 on all outdoor units.
FG
V+
V-A B S CN1 CN2
24VDCM-NET
ABS V+V-FG
M-NET Output
CN1 CN2
TB2 TB3
24VDC
Power supply unit (PAC-SC51KUA)
Cable clamp
Centralized controller
AG-150A
(Front view)
M-NET transmission line
(Centralized control line)
Function earthing
(ground) line
* Use a ring terminal to connect to the terminal block
DC power supply
line (Polarized)
M-NET transmission
A, B line (Non-polarity)
Shield
Centralized controller (Back view)
DC power supply line (24VDC)
*Polarized
DC power supply line
(Polarized)
Power supply unit
50m (164 ft) or less
TB7
Outdoor unit
to Outdoor unit
WT05368X08.fm Page 21 Thursday, March 17, 2011 9:21 AM