Mitsubishi AG-150A Installation Manual
Air-conditioner Control System
Centralized Controller
Model: AG-150A Installation Manual
Contents
1. Safety Precautions..................................................1
2. Parts List .................................................................2
3. External Dimensions ...............................................3
4. Product Features.....................................................4
1. Specification......................................................4
2. Parts names and functions ...............................4
5. System Diagram......................................................6
1. Standard configuration (using the AG-150A to
control a system with 50 or fewer units of
equipments) ..................................................6
2. System with connection to an expansion
controller (system with 50 or more
units) .............................................................8
6. Installation.............................................................10
1. Field-supplied Parts ........................................10
2. Installation.......................................................10
7. Wiring....................................................................21
1. System without connection to a PAC-YG50ECA
expansion controller....................................21
2. System with connection to a PAC-YG50ECA
expansion controller....................................22
8. Initial Setting..........................................................23
9. Test Run................................................................24
10. System Configuration Example.............................25
1. System with connection to a PAC-YG50ECA
expansion controller....................................25
2. Using multiple system controllers ...................25
3. To control a Mr. slim .......................................25
4. To control a K control model ...........................25
11. External input/output usage ..................................26
1. External signal input function ..........................26
2. External signal output function........................27
3. LAN connection function .................................28
12. Optional Accessories ............................................29
Before installing the controller, please read this Installation Manual carefully to ensure
proper operation. Retain this manual for future reference.
This manual describes how to install the centralized controller and wiring. Before installing the controller, read the
1 Safety Precautions section carefully to ensure proper installation.
1 Safety Precautions
Safety symbols used in this manual
The following symbols are used in this manual to indicate the type and severity of potential consequences that may result when
given instructions are not followed exactly as stated.
WARNING
CAUTION
Retain the Installation Manual and the Instruction Book for future reference. Make sure both the Installation Manual and the
Instruction Book are passed to any future air condition system users.
Indicates a risk of death or serious injury.
Indicates a risk of injury or damage to the controller.
WARNING
The controller must be professionalling installed.
Improper installation by an unqualified person may result in
electric shock or fire.
Make sure the controller is securely mounted so that it
will not fall.
Only use specified cables. Securely connect each
cable so that the weight of the cable is not applied to
the connectors.
Loose or improper connections may result in heat
generation or fire.
Do not attempt to modify or repair the controller.
Modification or improper repair may result in electric shock
or fire.
Consult your dealer when repairs are necessary.
Securely install the controller according to the
installation manual.
Improper installation may result in electric shock or fire.
Electric work must be perform by authorized
personnel according to the local regulations and the
instructions detailed in the installation manual.
Inadequate circuit capacity or improper installation may
result in electric shock or fire.
Ask your dealer or an authorized technician to move
the controller.
Improper installation may result in electric shock or fire or
damage to the controller.
CAUTION
Do not install the controller where there is a risk of
flammable gas.
If the leaked gas accumulates around the controller, it may
ignite and cause an explosion.
Do not use the controller in an environment high in oil,
steam, or sulfuric gas.
These substances may have adverse effects on the
performance of the controller or damage its parts.
When installing the controller in a hospital or communication facility, take appropriate measures to reduce
electrical noise interference.
Inverter equipment, generators, high-frequency medical equipment, or radio communication equipment may interfere with
the normal operation of the controller; or the electrical noise from the controller may interfere with the medical practice or
cause image distortion and static.
To prevent over-heating and fire, wire so that the
weight of the cable will not strain the connectors.
Seal the wire lead-in port with putty to prevent the
entry of dew, water, and insects to avoid electric shock
or malfunction of the controller.
Do not wet the controller.
Water may damage the controller and cause an electric
shock.
Do not install this controller where the ambient
temperature exceeds 40°C (104°F) or drops below 0°C
(32°F).
To prevent the controller from being damaged and
malfunctioning, install it out of direct sunlight.
To reduce the risk of electric shock, install and wire the
unit with the power to the PAC-SC51KUA power supply
unit turned off.
Consult an authorized agency for the proper disposal
of the unit.
The unit contains mercury, which is harmful to the environment.
Do not install this controller in a place that has the
potential for steam or dew formation.
Steam or dew formation may cause an electric shock or a
unit malfunction.
Do not install this controller where an acid or alkaline
solution or special chemical spray is used frequently
to avoid electric shock or malfunction.
Use specified wires with the proper current carrying
capacity to prevent current leakage, over-heating, or
fire.
Do not touch the PCB (Printed Circuit Board) with your
hand or a tool.
Keep the PCB dust-free to prevent fire or malfunction.
To avoid the risk of electric shock or damage to the
controller, do not touch the touch panel or USB
storage device connector with wet hands.
To avoid the risk of electric shock or damage to the
controller, do not press the touch panel with sharp
objects.
To avoid causing damage or fire, do not apply an AC
voltage or a voltage higher than 32VDC to the M-NET
or the Power (24VDC) terminal blocks on the
controller.
Use a security device such as a VPN router when
connecting the AG-150A to the Internet to prevent
unauthorized access.
- 1 -
2 Parts List
* The Installation Manual and the parts listed below are included with the unit.
No. Description Usage Qty.
1 AG-150A Centralized controller 1
2 A type Installation plate Use to attach the AG-150A using the B
type installation plate or the Electric box
(PAC-YG83UTB; sold separately) on
the wall or in the control board.
3 B type Installation plate Use to install the AG-150A on the wall
using the A type installation plate.
4 Wood screw (M4.1×25)*
5 M4 flathead screw (M4×40)*
6 M4 roundhead screw (M4×12)*
7 Instruction book 1
*1 ISO metric screw thread
*2 If the enclosed screw for attaching the installation plate cannot be used because the wall is too thick, obtain a longer M4 flathead
screw that matches the wall thickness.
* Besides the above parts, purchase a power supply unit (PAC-SC51KUA) that supplies power to the centralized controller (24VDC)
and the M-NET transmission line.
AG-150A operates by receiving 24VDC power from PAC-SC51KUA.
A PAC-YG50ECA expansion controller (sold separately) is required to control 50 or more units of equipments (e.g., indoor units
and LOSSNAY units).
Up to three expansion controllers can be connected to a system, each of which can control up to 50 units of equipments.
To control 50 or more units of equipments, use AG-150A software version 2.10 or later.
1
For mounting the controller directly on
the wall
1, 2
For attaching the A type installation
plate to either the B type installation
plate or electric box (PAC-YG83UTB;
sold separately)
1
For attaching the AG-150A to the A type
installation plate
1
1
4
4
4
- 2 -
3 External Dimensions
25.6
(1
13
300 (11-
/16)
/16)
5
-1/16)
44.7 (1-13/16)
Unit: mm (in)
185 (7-
272 (10-3/4)
Back View
3
272 (10-
/4)
250 (9-7/8)
)
4
)
/
8
3
/
5
146 (5-
167 (6-
A type installation plate B type installation plate
290.8 (11-1/2)
273 (10-3/4)
250 (9-7/8)
7
/8)
200 (7-
/16)
13
147 (5-
/16)
/8)
7
5
167 (6-
163.4 (6-
/16)
15
175.8 (6-
300 (11-13/16)
278 (10-15/16)
250 (9-7/8)
7
/8)
200 (7-
Unit: mm (in)
)
)
16
8
/
/
7
5
152 (6)
167 (6-
163.4 (6-
)
16
/
5
185 (7-
ø6
1
(
/4)ø4(3/16)
- 3 -
6
4
1
3
(
(
/4)
/16)
4 Product Features
AG-150A is a centralized controller that features advanced functions such as the Web function.
Air conditioning units connected to this controller can be operated or monitored directly from this controller or over the Web by
purchasing a license, using a browser software on the computer.
Up to 50 indoor units and general equipment can be monitored and operated from an AG-150A unit.
By connecting three PAC-YG50ECA expansion controllers (sold separately), a maximum of 150 units of equipments can be
controlled.
1. Specification
Item Specifications
Power supply
Temperature
Humidity 30~90%RH (No condensation)
Weight 2.1kg [4.6 lbs]
Dimensions (W × H × D)
2. Parts names and functions
M-NET Terminal 17VDC~32VDC
Controller drive 24VDC
Operating 0~40°C [32~104°F]
Non operating -20~60°C [-4~140°F]
300 × 185 × 70.3 [25.6] mm 11* [ ]: indicate the thickness from the wall.
13
/16 × 7-5/16 × 2-13/16 [1-1/16] in
Front View
* Power supply: PAC-SC51KUA
For indoor installation only
* To be used in an business office or
similar environment
POWER LED
Lit: Power ON
Unlit: Power OFF
ON/OFF LED
Lit: One or more units are
in operation.
Unlit: All units are stopped.
Blink: One or more errors
have occurred.
Display/Touch panel
- 4 -
Left view
USB storage device
Connects to a USB storage device
to copy data from the AG-150A
Back View
CN3
Unused
CN2
Connects to the power cable when
the mounting attachment A type
(PAC-YG85KTB; sold separately)
is used to attach the controller.
V+, V-, FG
Connects to power supply unit (PAC-SC51KUA) that supplies 24 VDC power.
CN1
Connects to the M-NET cable when the mounting attachment A type
(PAC-YG85KTB; sold separately) is used to attach the controller.
Do not use this terminal when a PAC-YG50ECA expansion controller is used.
A,B,S
Connects to the M-NET transmission cable from the power supply unit (PAC-SC51KUA).
(A, B: M-NET transmission cable terminal: non-polarized, S: Shield terminal)
Do not use this terminal when a PAC-YG50ECA expansion controller is used.
(V+: +24VDC terminal, V-: 0V terminal, FG: Functional earthing terminal; ground)
CN4
Unused
CN5
Connects to PAC-YG10HA
external input/output adapter
LAN
Connects to other units of
equipments over the LAN via a
HUB.
NOTE
* M-NET terminal (A, B, S) and CN1 cannot be used simultaneously.
* Power supply terminal block (V+, V-, FG) and CN2 cannot be used simultaneously.
- 5 -
5 System Diagram
1. Standard configuration (using the AG-150A to control a system with 50 or fewer units of equipments)
LAN
POWER (24VDC)
Centralized controller
Model:AG-150A
M-NET
outdoor unit
TB7 TB3
Power supply unit (optional)
Model: PAC-SC51KUA
M-NET
Group 1 Group 2
Indoor unit
Local remote controller
M-NET transmission line
K transmission line
MA remote controller line
The numbers in the
indicate the address No.
M-NET
outdoor unit
TB7 TB3
Mr. Slim
Outdoor unit
MA
R2
M-NET adapter
Group 4
K control
outdoor unit
TB7 TB3
MA MA
BC controller
ME
Mr. Slim
Outdoor unit
MA
Group 13 Group 15
003
Group 5
Group 3
004
LOSSNAY
NOTE
* This diagram does not
show the AC power supply
wiring. Only the
configuration for the
transmission line is shown.
K transmission converter
213
Model:PAC-SC25KAA
13 15
K
K
* Address setting for each M-NET device (Addresses cannot be duplicated).
Address setting method Address
Indoor unit
Set the indoor unit you want to make the main unit in the same group to the minimum
address, then sequentially set the indoor unit addresses in the same group.
1~50
Outdoor unit Minimum indoor unit address in same refrigerant system + No.50 unit. 51~100
Outdoor unit address in same refrigerant system + No.1 unit.
BC controller/OS controller
However, for Sub-BC controller, the minimum indoor unit address that connects the
52~100
local refrigerant piping should be + 50.
K control side remote controller Same address as indoor unit main unit. 1~50
Mr. Slim Outdoor unit
Same address as indoor unit main unit. An M-NET adapter (sold separately) is required.
1~50
M-NET remote controller Set to the minimum indoor unit main address in the same group + 100. 101~200
Sub system controller Assign an address that equals the lowest group number plus 200. 201~250
DIDO controller
(PAC-YG66DCA)
Pl controller (PAC-YG60MCA)
Al controller (PAC-YG63MCA)
Assign an arbitrary but unused address to the PAC-YG66DCA DIDO controller after
assigning an address to all units to be assigned an address between 1 and 50.
The number of controllable units depends on the number of channels used.
Assign an arbitrary but unused address to the PI controller after assigning an address
to all units to be assigned an address between 1 and 50.
Assign an arbitrary but unused address to the AI controller after assigning an address
to all units to be assigned an address between 1 and 50.
1~50
1~50
1~50
MA remote controller Address setting is unnecessary. OA processing unit/LOSSNAY After setting all the indoor units, set an arbitrary but unused address. 1~50
K transmission converter Minimum address of K control indoor unit + 200. 201~250
- 6 -
NOTES
* Apply following precautions when using the K transmission converter (model PAC-SC25KAA; discontinued) and controlling the
M-NET model and K control model with the same controller.
Refer to the K transmission converter (PAC-SC25KAA) installation manual for details.
1 Centralized controller address
Always set the controller address to “000”.
2 Centralized controller function selects
Set the “K Converter Address” by using the “M-NET Settings” on the Initial settings screen.
3 Indoor unit address
Set all M-NET model indoor units from the No.1 unit, then set the K control model addresses.
Indoor unit No.1 unit ~M-NET indoor unit max. address> K control indoor unit minimum address ~50
4 K control model group No.
The minimum indoor address No. of that group becomes the group No. (Same for K control side local remote controller.)
5 The remote controller address does not need to be included in the K-control unit group settings.
NOTE
* Some types of units cannot be controlled from the AG-150A controller.
1-1. M-NET wiring configuration
(1) Types and maximum allowable length of M-NET transmission cables
Facility type All facility types
Cable type
Maximum transmission line distance between the outdoor unit
and the farthest indoor unit
Distance of the transmission line for the central control system
and indoor-outdoor transmission line to the farthest indoor unit
(Maximum line distance via outdoor unit)
Type Shielded cable CVVS·CPEVS
No. of cores 2-core cable
Cable size Minimum 1.25 mm
200 m
500 m
* The maximum line distance from the power supply unit on
the transmission line for the central control system to each
outdoor unit or to the system controller is 200 m.
2
The wiring diagram below shows a sample M-NET transmission wiring for a CITY MULTI system.
The maximum total line distance (centralized control and indoor-outdoor transmission lines) for each M-NET system is expressed
in the formula below. Observe the maximum length to ensure proper signal transmission to and from the connected equipments
over the M-NET transmission line.
If the maximum line length is exceeded, the M-NET signals will be attenuated, resulting in communication error and control
failure.
a+b+d+e(f) ≤ 500m a+b+c+g ≤ 500m e(f)+d+c+g ≤ 500m
The local remote controller cable length should be 10 m or shorter. The part that exceeds the 10 m limit should be included in the
maximum total line length of 500 m.
Centralized control transmission line Indoor-outdoor transmission line
System
controller
Power supply
unit for
transmission line
bde
a
Outdoor
unit
Indoor unit Indoor unit
c
Indoor unit
Indoor unitIndoor unit
M-NET
remote
controller
10m
Outdoor
unit
f
g
(A) Centralized control transmission line
The power supply distance for the centralized controller transmission line is expressed in the formula below.
This is the maximum length of the centralized control transmission line to which proper amount of power reaches. If the maximum
line length is exceeded, those equipments at the end of the transmission line may not receive enough power, resulting in
communication error and control failure.
a+b ≤ 200m a+b+c ≤ 200m
(B) Indoor-outdoor transmission line
The power supply distance for the indoor-outdoor transmission line is expressed in the formula below.
This is the maximum length of the indoor-outdoor transmission line to which proper amount of power reaches. If the maximum
line length is exceeded, those equipments at the end of the transmission line may not receive enough power, resulting in
communication error and control failure.
d+e(f) ≤ 200m g ≤ 200m
The length of the local remote controller cable that exceeds the 10 m limit should be included in the maximum total line length of
500 m and in the power supply distance of 200 m.
- 7 -
2. System with connection to an expansion controller (system with 50 or more units)
Power supply (DC24V)
LAN
Centralized controller
Model name: AG-150A *
192.168.1.1
HUB
Expansion controller
Model name:
PAC -YG 50E CA
LAN
192.168.1.211
LAN
000
1
Power supply unit (sold separately)
Model name: PAC-SC51KUA *
M-NET
Outdoor unit
051
M-NET
TB7 TB3
M-NET
Outdoor unit
056
TB7 TB3
R2
BC controller
001
ME ME
057
*1: M-NET terminals will not be used.
*2: Terminal block TB2 will not be used.
2
Group 1-1 Group 1-2
002
101 103
006 007 008 009 010
ME
003 004 005
Group 1-3
106
Figures in indicate IP address.
Figures in indicate M-NET address.
Indoor unit
Local remote
controller
LAN
M-NET
transmission line
LOSSNAY
unit
Expansion controller
Model name:
PAC -YG 50 ECA
192.168.1.212
000
Expansion controller
Model name:
PAC -YG 50 ECA
192.168.1.213
000
M-NET
M-NET
M-NET
Outdoor unit
051
TB7 TB3
M-NET
Outdoor unit
051
TB7 TB3
Group 2-1 Group 2-2
001 002 003 004 005
ME ME
101 103
Group 3-1 Group 3-2
001 002 003 004 005
ME ME
101 103
LOSSNAY
unit
LOSSNAY
unit
• This diagram only
shows transmission
line configurations.
Power wires are
omitted.
• 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
DB No. appears here.
* 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.)
- 8 -
NOTES
* Up to three PAC-YG50ECA controllers can be connected to each AG-150A unit.
* Main system controllers (e.g., AG-150A) cannot be connected to an M-NET system that is controlled by an expansion controller.
* Main and sub system controllers (M-NET)
AG-150A is for exclusive use as a main SC. AG-150A cannot be used as a sub SC.
• Main system controller (Main SC)
Main SC refers to a controller that controls all other system controllers including the units they control. If a given system has
only one system controller, that controller becomes the main controller. Group settings and interlock settings can only be made
from a main controller.
• Sub system controller (Sub SC)
Sub controller refers to a system controller that is controlled (including the units it controls) by a main system controller.
AG-150A, PAC-YG50ECA etc.
Range of units the main SC
controls (M-NET)
Range of units the
sub SC controls
Group Group
Group
AG-150A is for exclusive use as a main SC. AG-150A cannot be used as a sub
SC or controlled from another main SC.
NOTES The following types of configurations are not possible.
• A sub controller can only control the groups that are under the control of its main controller.
Main system
controller
Sub system
controller
Group Group Group
• No groups can be placed under the control of more than one main system controller.
Main system
controller 1
Group Group Group
Main system
controller 2
• No sub system controllers can be placed under the control of more than one main system controller.
Main system
controller 1
Group Group Group Group
Sub system
controller
Main system
controller 2
- 9 -
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