Setting Signal Output - Mitsubishi Electric MAC-334IF-E Installationshandbuch

11. Setting Signal Output

■ Connecting the SYSTEM CONTROL Interface
Each relay can be turned ON/OFF by synchronizing with the room air conditioner's ON/OFF, error/normal, Heater
ON/Heater OFF, and Humidifier ON/Humidifier OFF.
Interface unit
Indoor unit
SW500
SW502
Please use the cable of 0.5 mm [AWG 20] or more.
2
The cable must fit into TB530 and meet DC 12 V power supply.
Notes
• Connecting terminal TB530 for power supply is polarized, so confirm proper polarity of the terminals before connecting.
• Do not connect DC 12 V from the DC power supply to TB571.
• Confirm polarity when using a diode built-in relay. C of TB571 is electropositive potential
● For TB571 and TB530, insert wiring after inserting the flathead screwdriver into the terminal.
● Appropriate electric wire for TB571 and TB530 is as follows. Stranded wire: 0.3 mm
[ø 1/64 in. to ø 3/64 in.]
● Peeling dimension of the electric wire for TB571 and TB530 is 7 mm to 10 mm [9/32 in. to 25/64 in.].
● Wiring length from the interface to Relay 1 and Relay 2 should be less than 50 m [164 ft.].
■ Setting when using Status Signal Output
Functions SW No.
SW500
ON
ON/OFF,
1 2 3 4 5 6
Error/
SW502
Normal
ON
Output
ON
1 2 3 4 5 6
OFF
SW500
ON
ON/OFF,
1 2 3 4 5 6
Heater
SW502
Control ON
Output ON
1 2 3 4 5 6
OFF
SW500
ON
ON/OFF,
1 2 3 4 5 6
Humidifier
SW502
Control
ON
Output
ON
1 2 3 4 5 6
OFF
SW500
ON
Heater
Control,
1 2 3 4 5 6
SW502
Humidifier
ON
Control
ON
Output
1 2 3 4 5 6
OFF
SW500
ON/OFF,
ON
Heater
Control
1 2 3 4 5 6
SW502
(single
operation) ON
Output*
1 2 3 4 5 6
➊
– +
R2 R1 C
TB571 TB530
(Gray) (Sky
Blue)
DC 12 V
–
CN560
power
supply
+
DC power supply: DC 12 V (+10 %, -0 %) 5 W or more. Please use
power supply with double insulation or reinforced insulation.
SW502-1: OFF
• Relay 1 is on when room air conditioner is on, and off when room air conditioner is off.
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• Relay 2 is on when room air conditioner is in error, and off when room air conditioner is operating normally.
SW502-1: ON
• Relay 1 and 2 behavior are opposite of those above.
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SW502-1: OFF
• Relay 1 is on when room air conditioner is on, and off when room air conditioner is off.
• When the air conditioner runs in the heating (automatic heating) mode and room temperature becomes the set tem-
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perature - 2.5 ºC (4.5 ºF) or lower, the Relay 2 (heater) turns on.
When the air conditioner runs in a mode other than the heating (automatic heating) or it is OFF, or when room tem-
perature becomes the set temperature or higher, the Relay 2 (heater) turns off.
SW502-1: ON
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• Relay 1 and 2 behavior are opposite of those above.
SW502-1: OFF
• Relay 1 is on when room air conditioner is on, and off when room air conditioner is off.
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• When the air conditioner runs in the heating (automatic heating) mode, Relay 2 (humidifier) turns on. When the air
conditioner runs in a mode other than heating (automatic heating) or it is OFF, Relay 2 (humidifier) turns off.
SW502-1: ON
• Relay 1 and 2 behavior are opposite of those above.
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SW502-1: OFF
• When the air conditioner runs in the heating (automatic heating) mode and room temperature becomes
the set temperature - 2.5 ºC (4.5 ºF) or lower, Relay 1 (heater) turns on. When the air conditioner runs in a
mode other than the heating (automatic heating) or it is OFF, or when room temperature becomes the set
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temperature or higher, Relay 1 (heater) turns off.
• When the air conditioner runs in the heating (automatic heating) mode, Relay 2 (humidifier) turns on. When the air
conditioner runs in a mode other than heating (automatic heating) or OFF, Relay 2 (humidifier) turns off.
SW502-1: ON
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• Relay 1 and 2 behavior are opposite of those above.
Relay 1 is on when ON is set by System controller, ME remote controller or MA remote controller, and off
when OFF is set by these controllers.
When room temperature becomes the set temperature or lower in the heating (automatic heating) mode,
the Relay 2 (heater) turns on. When a mode other than heating (automatic heating) or OFF is set by System
controller, ME remote controller or MA remote controller, or when room temperature becomes higher than
the set temperature + 1 ºC (2 ºF), the Relay 2 (heater) turns off.
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* This function is to run the heater instead of the air conditioner in the heating mode. The air conditioner
stops in the heating mode.
Do not use the remote controller attached to the air conditioner. If you use it, the operation may not reflect
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the setting.
The position of detecting the room temperature is where MA remote controller is put, so make sure to
connect it to the interface unit.
R2
Relay 2
Relay 1, 2:
(Coil rating of DC 12 V, 1.0 W or
R1
less.) Please use relays with
reinforced insulation.
Relay 1
, and R1 and R2 are negative potential
to 1.25 mm [AWG 22 to 16] Solid wire: ø 0.4 mm to ø 1.2 mm
2 2
Operating details
Screw
driver
Terminal
Do not insert more than one
connecting cable into each
terminal of TB571 and TB530.
.
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