Before Installation - Mitsubishi MAC-399IF-E Installationshandbuch

2. Before Installation

2.1. How to Use the M-NET Interface
Caution
When using a packaged air conditioner (PAC, city-multi) system remote controller, you cannot register packaged air
conditioners (PACs) and room air conditioners (RACs) in the same group. In this case, register the PACs and RACs in
different groups.
I Functions
Centralized and individual management of RACs (including housing air conditioners) using M-NET(*).
* A type of packaged air conditioner control (city-multi)
I 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
I Sample of System Configuration
Sample configuration of a system using a centralized controller
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2.2. Accessory
Before installing the device, make sure you have all the necessary parts.
I Accessory
1 Interface unit
2 Mounting brackets
3 Screws (short) for mounting 2 3.5×12
4 Cushioning material
5 Cord clamp for mounting (small)
6 Mounting cord clamp (large)
7 Screws for mounting 5 and 6 3.5×12
Screw for mounting 5 and 6 4×10
8 * Use this when mounting cord clamp to and around
RAC.
Screw for mounting 5 and 6 4×16
9 * Use this when mounting cord clamp together with the
parts of RAC.
0 Fasteners (for joining the lead wires)
A
Cord clamp for wiring
B Screws (black) for mounting A 3.5×16
C Interface case mounting screws (black) 3.5×12
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I Items to Prepare at the Installation Site
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A
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B
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2
C
2
2
* CPEVS; PE insulated PVC jacketed shielded communication cable
* CVVS; PVC insulated PVC jacketed shielded control cable
PE: Polyethylene PVC: Polyvinyl chloride
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1 Centralized controller
2 Power supply unit
3 Packaged air conditioner system
4 M-NET Interface
5 RAC
6 ME Remote Controller
* The number of units that can be connected to the
centralized controller (G-50A) is max. 50, including
packaged air conditioners and RACs. 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.
Connection wiring (centralized controller)
Shield wiring CVVS/CPEVS
Connection wiring (for connecting the ME Remote Controller)
Remote control wires (2-core sheath wire 0.3 mm
Related parts sold separately
* Prepare the necessary number of parts sold separately as needed
for your system.
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