Mitsubishi Electric MAC-333IF-E, Installation Manual

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A1 B1 A2 B2 S
A1 B1 A2 B2
S
B2 A2 B1 A1 S
TB521
TB520
CN560
SW580
A B S A B S
SW501 SW510
0
0
0
8. Connecting with M-NET system
■
Connecting the SYSTEM CONTROL Interface to M-NET cable
The room air conditioner can be managed centralized or individually by the system controller using M-NET communications control.
Indoor unit
Power supply unit System controller,
etc.
* To prevent penetration by condensation, insects, etc., seal the opening well with putty.
■ Setting when M-NET is connected
Interface unit
➊
● To connect with the system controller and ME remote controller, connect the M-NET communication cable or ME remote control cable with
TB520. (It is unpolarized.) Connect 2 core communication cable with A1/B1 or A2/B2. (There will be no problems with connecting to either one.)
● Cross the shield portion of each connecting cable using the S terminal only when cross wiring the communication cables .
● After wiring is complete, mount securely with any of mounting cord clamp
➍
to
➏
, and fix with cable tie
➑
as shown in the figure.
Shield
Shield
Communication cable
(M-NET cable)
Communication cable
(M-NET cable)
Communication cable
(M-NET cable)
ME remote controller cable
ME remote controller
Cable tie
➑
Cable tie
➑
Cable tie
➑
Screw for
mounting
➐
Cable tie
➑
Cut with nippers at the notches. Make sure the cut surface is free
of any burr so that the connecting cable does not get damaged.
Mounting cord clamp
(Large)
➏
or (Medium)
➎
Screw for mounting
➐
Mounting cord
clamp (Large)
➏
or (Medium)
➎
Mounting cord
clamp (Large)
➏
or (Medium)
➎
Screw for mounting
➐
Screw for mounting
➐
When the communication
cable cross-wired
When the communication
cable is not cross wired
When the communication cable are cross
wired and ME remote controller is used
When the communication
cable are cross wired
Note
When cross-wired by the
same terminal box, a 1.25mm
2
[AWG16] line is used.
Notes
• Electrical work should be performed in accordance with the Technical Standards Regarding Electrical Equipment and the Interior Wiring Standards.
• Connecting wires and remote control cables should be located as far away from other electrical wiring as possible. Placing them too closely
together could cause a malfunction.
• To connect with the M-NET system and MA remote controller, connection is limited to only one unit of the MA remote controller.
• Do not put in the same group as City Multi or P series.
• Test run cannot be conducted from the ME remote controller or the system controller.
SW No. Address Comments
SW510
SW501
M-NET address
SW510 SW501
0
1
10s position 1s position
SW510 sets the 10s position of the address and SW501 sets the 1s position of the address. (Address
setting can be set from 01 ~ 50.)
For example, to set a unit to the address 25, set SW510 to “2” and SW501 to “5.”
* The figure to the left is for address 1.
SW580
SW580
Refrigerant address
When the MA remote controller is not used, set the refrigerant address (SW580) to “1.”
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