Mitsubishi Electronics MAC-399IF-E Air Conditioner User Manual


 
7
6.
Connecting the M-NET Interface, the Power Supply, and the ME Remote Controller
When connecting the unit to a system controller or ME Remote Controller, connect the transmission line of the M-NET to the
control signal terminal.
Connect the 2-core connection wrings A to A1/B1 or A2/B2 (they can be connected to either).
Cross the shield portion of each connecting wire using the S terminal only when cross wiring the connection wires.
When connecting the connection wrings A and the ME Remote Controller connection wrings B to the terminal board, there is
no need to worry about polarity.
When the connection wrings A are not cross-wired When the connection wrings A are cross-wired
1Shield
2Connection wirings A
(M-NET transmission wire)
3ME Remote Controller
(only when needed)
Bare wire size
After the wiring is completed secure the ires with the cord clamp (large) and the cable ties.
1 Screws
2 Cord clamp (large)
3 Cord clamp (small)
Caution
Electrical work should be performed in accordance with the Technical Standards Regarding Electrical Equipment
and the Interior Wiring Standards.
Connection wiring and remote control wiring should be located as far away from other electrical wiring as possible.
Placing them too closely together could cause a malfunction.
When the connection wring
A
is cross-wired
A1
B1A2 B2 S
2
3
A1
B1A2 B2 S
22
3
1
When using the ME remote controller
When the connection wring
A
is not cross-wired
1
4
2
1
5
4
1
2
4
3
1
4
2
4 Cable ties
5 Cut with nippers at the notches.
Make sure the cut surface is free of any burr so that the
connection wire dose not get damaged.