Specifications

CONTROLLER (Feb. 2009)
CNTR-73
CONTROLLER
DATA U4
3-17-2. Interlock control
AI controller (PAC-YG63MCA) has an interlock control function, which enables operation or set temperature change on the M-NET devices
such as indoor units.
Interlock control covers the units connected to the AI controller with M-NET system. AG-150A/G(B)-50A
/GB-24A must be connected to
use the function.
Ask your dealer for interlock control setting. The setting requires special tool support.
CAUTION
Before using the interlock control, you must agree to the following.
1.This feature must not be used for disaster prevention or security purpose.
(Not designed to be used in situations that are life-threatening)
2.No functions must be added that allow the malfunctioning unit to run by defeating the safety features, such as
an external ON/OFF switch or a short-circuit.
3.Those settings for the function that are not supported by the interlocked units must not be made. All the
settings must be made within the specified range.
(Failure to observe these precautions may result in malfunctions and failures.)
4.Perform a test run for interlock control, and confirm the correct settings and normal operation.
5.The system must be configured in the way that integrates the operation of the interlocked fire and emergency
control systems.
Number of events 24 events 1 event interlock with 1 unit
Item Content Remarks
Determinant condition for
interlock control
Measurement value
Measurement interval is 1 to 7200 seconds.
• Exceeding measurement value in setting range
• Exceeding upper/lower limit alarm detection
value and cancellation value
Interlock control contents
(to be output)
1 action for 1 condition
• ON/OFF operation of indoor units
• Operation mode change of indoor units
• Temperature setting of indoor units
• Contact output to DIDO controller
Interlock control covers the units connected to AI
controllers with M-NET system.
Other Interlock control prohibition function is
enabled at emergency stop from AG-150A/
Interlock control of AI controller (example)
Outdoor unit
AG-150A
AI Controlle
r
Temperature sensor
Cooling operation when the temperature is 28 (83 F) or above
Fun operation when the temperature is lower than 25 (77 F)
Indoor unit
O
p
eration ON/OFF
Interlock with M-NET devices
G(B)-50A/GB-24A
CENTRALIZED CONTROLLER AG-150A
3. SYSTEM CONTROLLER