Johnson Controls HIDH018B21S, Engineering Manual

Page: 389 / 668

CONTROL SYSTEM
TC-15001-rev.3
6-73
6.8.15 Button Setting
The operating button indication selection
The operating button indication can be selected to show or hide when restricting operation.
Set by Monitor Menu Service Menu Button setting.
6.8.16 Contact Information Register
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function is used when there is an issue in the system and an alarm code is displayed.
Set by Monitor Menu Service Menu Contact Information Register.
6.8.17 Alarm History
The alarm history record of the air conditioner and the mini central controller
The time of alarm occurrence, abnormal unit and alarm code are recorded. The alarm history record of
deletions is performed by this function.
Set by Monitor Menu Service Menu Alarm History.
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(1) All Run Output
This is an external output for an indoor unit operation signal in the target group.
The operation signal outputs even if only one indoor unit in the target group is operated.
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This is an external output alarm signal for an indoor unit in the target group
The alarm signals output even if only one indoor unit abnormality occurs in the target group.
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Input Terminal: Non-voltage contact (normal open) for demand signal Input 12VDC, 10mA
Switching of the contact is available.
Pulse width is 300ms or more for pulse signal input.
Output Terminal: Contact (voltage is applied) for signal Output 12VDC
Recommended Relay: MY Relay manufactured by Omron Corporation
(Do not use a diode built-in type.)
Connection procedure:
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Protect the cut part using insulating tape according to local
code.
Input/Output connection : Use the connector cord accessory.
Cut out this portion.
Close-end
Connector
Cord (Field-Supplied)
Copper Wiring
Protect the cut part using insulating tape.
Insulation Tape
Cut Part
(2) To connect a relay or timer using local codes cord,
connect using one of the following procedures.
(a) When Soldering
Twist and solder copper wires together and insulate
with electric tape.
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accessory
Insert the closed-end connector after twisting and
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pulling up on the connection.)
25/64 inch
(10mm)
Refer to Section 6.8.11.8 for details.
Refer to Section 6.8.11.9 for details.
Refer to Section 6.8.11.13 for details.