Controller (System With 50 Or More Units) - Mitsubishi Electric AG-150A-A Installation Manual

2. System with connection to an Expansion controller (system with 51 or more units)
Power supply (DC24V)
Centralized controller
LAN
1
Model name: AG-150A *
192.168.1.1
Switching
HUB
Expansion controller
Model name:
PAC-YG50ECA
LAN
192.168.1.211
000
LAN
Expansion controller
Model name:
PAC-YG50ECA
192.168.1.212
000
Expansion controller
Model name:
PAC-YG50ECA
192.168.1.213
000
• Refer to the PAC-YG50ECA Expansion controller Installation/Instructions Manual for how to set the IP address.
• The same M-NET address cannot be used twice in the same M-NET system that connects to the same PAC-YG50ECA
Expansion controller.
See section 1 "Standard configuration" for how to set the addresses for the equipments that are connected to the Expansion
controller within an M-NET system.
NOTES
* The DB No. of PAC-YG50ECA is found on the package box and the controller itself in the [DB No. : **] format.
Only the Expansion controllers with the same DB No. as the AG-150A can be connected to the AG-150A. Be sure to check the
DB No. before connecting the Expansion controller to the system.
If the DB numbers of the AG-150A and PAC-YG50ECA do not match, the software needs to be updated. Consult your dealer.
Label contents
* Provide "one-point grounding" for the M-NET transmission line (centralized control system) by grounding the shield of the an
Expansion controller. (Class-D grounding)
Ground the indoor-outdoor transmission line in each outdoor unit refrigerant system.
* Set the centralized control switch (SW2-1) on the outdoor units on the M-NET line to ON.
(Refer to the outdoor unit Installation Manual for the details of the dipswitch settings.)
Power supply unit (sold separately)
2
Model name: PAC-SC51KUA *
M-NET
Outdoor unit
051
Group 1-1
TB7 TB3
M-NET
001
ME
M-NET
R2
Outdoor unit
BC controller
056 057
TB7 TB3
M-NET
Outdoor unit
051
TB7 TB3
M-NET
001
ME
M-NET
Outdoor unit
051
TB7 TB3
M-NET
001
ME
*1: M-NET terminals will not be used.
*2: Terminal block TB2 will not be used.
002 003
ME
101 103
Group 1-3
006 007
ME
106
Group 2-1 Group 2-2
002 003
ME
101 103
Group 3-1 Group 3-2
002 003
ME
101 103
- 8 -
Figures in indicate IP address.
Figures in indicate M-NET address.
Group 1-2
004 005
LOSSNAY
unit
008 009 010
• This diagram only
LOSSNAY
shows transmission
unit
line configurations.
Power wires are
omitted.
004 005
LOSSNAY
unit
004 005
DB No. appears here.
Indoor unit
Local remote
controller
LAN
M-NET
transmission line