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(2) With the use of an expansion controller (PAC-YG50ECA)
Only connect the DC power cable. (Use only TB3 or CN2.)
(a) Connected via the terminal block (TB3)
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)
Centralized controller
(AG-150A)
Cable Clamp
DC power supply line (24VDC) *Polarized
* Use a ring terminal to connect to the terminal block
Back of controller
50 m (164 ft) or less
Fig. 4-5
Function earthing
(ground) line
DC power supply
line (Polarity)
Power supply unit
DC power supply
line (Polarity)
HUB
LAN
PAC-YG50ECA
TB7
OUTDOOR UNIT
00gb_WT05372X04_7.book Page 8 Monday, September 28, 2009 2:03 PM