Before Installation; Functions - Mitsubishi Electric MAC-399IF-E Manuel D'installation

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
2
6
6
2.2. Accessory
Before installing the device, make sure you have all the necessary parts.
■ Accessory
1
Interface unit (with 5-core connecting cable)
2
Wall mounting bracket
3 Screws for mounting 2 3.5×12
4
Cushioning material (with adhesive)
5
Mounting cord clamp (small)
6
Mounting cord clamp (medium)
7
Mounting cord clamps (large)
Screws for mounting 5–7 3.5×12
8
* Use when attaching the clamps to the interface unit.
Screw for mounting 6 4×10
9
* Use this when mounting the clamps near the M series.
Screw for mounting 6 4×16
0
* Use this when mounting cord clamp together with the
parts of M series.
A
Cable ties
B
Fasteners (for joining the lead wires)
C
Cord clamps for wiring
D Screws for mounting C 3.5×12
E
Screws 3.5×12 (spare)
3
4
5
4
5
■ Items to Prepare at the Installation Site
1
A
1
4
B
1
1
1
C
2
Use wires which have insulation more than the MAX voltage.
2
* MAX voltage is defined according to the law of the country where
the interface is used.
1
* CPEVS; PE insulated PVC jacketed shielded communication cable
* CVVS; PVC insulated PVC jacketed shielded control cable
PE: Polyethylene PVC: Polyvinyl chloride
1
5
3
3
3
2
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.
Connecting wires (centralized controller)
Shield wires CVVS/CPEVS
Remote control wires (for connecting the ME Remote Controller)
2
2-core sheath wire 0.3 mm
Related parts sold separately
* Prepare the necessary number of parts sold separately as needed
for your system.
3