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2. Before Installation
2.1. How to Use the M-NET Interface
Caution
When using a packaged air conditioner (city-multi) system remote controller, you cannot register packaged air condi-
tioners and room air conditioners in the same group. In this case, register the Packaged and room air conditioner in
different groups.
■ Functions
Centralized and individual management of M/P/S series using M-NET(*).
* A type of packaged air conditioner control (city-multi)
■ Related Products Sold Separately
• ME Remote Controller PAR-F27MEA
• Centralized Controller G-50A
• System Remote Controller PAC-SF44SRA
• ON/OFF Remote Controller PAC-YT40ANRA
• Schedule Timer (M-NET) PAC-YT34STA
• Power supply unit PAC-SC50KUA
■ Sample of System Configuration (only M/S series outdoor-unit)
Sample configuration of a system using a centralized controller
1 Centralized controller (M-NET)
2 Power supply unit
3 Packaged air conditioner system
4 M-NET Interface
5 Indoor unit
6 ME Remote Controller
* The number of units that can be connected to the
centralized controller (G-50A) is max. 50, including
packaged and room air conditioners. The wiring
from the M-NET Interface to the centralized
controller can have a maximum length of 500 m.
The wiring from the M-NET Interface to the ME
Remote Controller can have a maximum length of
10 m.
For details, see the MELANS Catalog and the
instruction manuals for the Centralized Controller
and ME Remote Controller.
2.2. Accessory
Before installing the device, make sure you have all the necessary parts.
■ Accessory
1 Interface unit (with 5-core connecting cable) 1
2 Mounting brackets 1
3 Screws for mounting 2 3.5×12 4
4 Cushioning material (with adhesive) 1
5 Cord clamp for mounting (small) 2
6 Mounting cord clamp (large) 2
7 Screws for mounting 5 and 6 3.5×12 2
8
Screw for mounting 5 and 6 4×10
1* Use this when mounting cord clamp to and around M
series.
9
Screw for mounting 5 and 6 4×16
1* Use this when mounting cord clamp together with the
parts of M series.
0 Cable ties 4
A Fasteners (for joining the lead wires) 5
B Cord clamp for wiring 5
C Screws for mounting B 3.5×12 5
D Interface case mounting screws 3.5×12 2
■ Items to Prepare at the Installation Site
A
Connection wiring (centralized controller)
Shield wiring CVVS/CPEVS
B
Connection wiring (for connecting the ME Remote Controller)
Remote control wires (2-core sheath wire 0.3 mm
2
)
Related parts sold separately
C * Prepare the necessary number of parts sold separately as needed
for your system.
1
3
2
6
6
4
4
5
5
* CPEVS
;
PE insulated PVC jacketed shielded communication cable
* CVVS; PVC insulated PVC jacketed shielded control cable
PE: Polyethylene PVC: Polyvinyl chloride