1

Interface module

MIM-B14

2

Contact interface module – MIM-B14

- Components

State output cable

Control input cable

Interface module

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- Dimensions

80mm

50mm

Contact interface module – MIM-B14

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- MIM-B14

Contact interface module – MIM-B14

Control input contact

Indoor unit state

(Operation, Error)

To indoor unit PCB

External control input contact

(voltage-free)

Indoor unit operation output

Indoor unit error output

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- MIM-B14

Contact interface module – MIM-B14

250VAC, 3A

250VAC, 3A

Operation state

Close : Indoor unit ON

Open : Indoor unit OFF

Error state

Close : No Error

Open : Error

Indoor unit

Operation

Operation state

Cooling

(Thermal

ON

)

Close

Cooling

(Thermal

OFF

)

Open

Heating

(Thermal

ON

)

Close

Heating

(Thermal

OFF

)

Open

FAN

Open

NOTE : Indoor unit operation/error output : Voltage-free relay contact

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Contact interface module – MIM-B14

- Connection to indoor unit

 To control the indoor unit and make synchronous control with other

devices through the external contact input/output signal

External input

Contact Output (operation)

- Close : Indoor unit ON
- Open : Indoor unit OFF

Contact Output (error)

- Close : No Error
- Open : Error

ON/

OFF

 Indoor unit option switch K11 – ON : external control enabled, OFF : disabled
 Input load – 5V, 5mA, Output load - 250VAC, 3A
 Applied indoor units : DVM Plus III (HR) Slim 1way, 2/4way, mini 4way, DUCT, Ceiling
 Initial operation : Auto mode, temperature setting : 24, Auto fan speed, Stop airflow direction

Closed : Indoor unit ON
Open : indoor unit OFF

K11 : OFF

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- Contact wiring length

Contact interface module – MIM-B14

Max. 100m

Voltage free
contact