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8.4 Sequential Start
Fundamental of DIII-NET
8.4
Sequential Start
<Operation command from central control equipment>
Each unit operates in sequence. For example, if you set the simultaneous operation by the central remote controller,
which controls 1-00 ~ 4-15 and 5-00 ~ 8-15 groups, two outdoor units start simultaneously.
8.5
Under Central Control
C : 3P171361-1
8.6
Error Code on Intial Setting and Wiring Troubles
3P124623-5C
Malfunction code
Contents of malfunction
M1
Failure of PC board of schedule timer.
Fixes
The following causes are possible. Check each one.
1. PC board problems
M8
Malfunction of transmission between each optional controllers for centralized control.
Fixes
Check all central devices which are connected (e.g., power supply, transmission wiring, etc.).
MA
Improper combination of optional controllers for centralized control.
Fixes
The following causes are possible. Check each one.
1. Are all central devices combined correctly?
2. Is the master central connector attached to two or more central devices?
3. Are there 128 or more indoor units connected?
MC
Address failure of schedule timer.
Fixes
The following causes are possible. Check each one.
1. Do the control range addresses in the central remote controller overlap?
2. Do the control range addresses in the on/off controller overlap?
3. Are there 2 or more schedule timers connected?
U4
Transmission error between indoor unit/BEV unit and outdoor/BS unit, Transmission error between outdoor unit
and BS unit
U5
Transmission error between remote controller and indoor control unit
U5
Remote controller board fault or remote controller setting fault
U6
Transmission error between indoor units
U7
Transmission error between outdoor units
Transmission error between outdoor unit and ice thermal storage unit
U7
Transmission error between outdoor units
(cooling/heating batch, low-noise operation)
U8
Transmission error between master remote controller and slave remote controller (slave remote controller error)
Incorrect combination of indoor unit and remote controller within a single system (model)
U9
Transmission error between indoor unit/BEV unit and outdoor unit within a single system
Transmission error between BS unit and indoor unit/BEV unit and outdoor unit within a single system
UC
Central control group numbers overlap
UE
Malfunction of transmission between indoor unit and optional controllers for centralized control.
Fixes
Inspect all indoor units which are displaying an error (e.g., power supply, transmission wiring, etc.).
—
Malfunction in indoor unit (Refer to the malfunction codes of the indoor remote controller, while also read the
“ CAUTION FOR SERVICING ” attached to the indoor unit.)
Содержание D-BACS
Страница 1: ...ED 72 721 Preliminary Daikin Buildings Air conditioning Control System D BACS DESIGN GUIDE ...
Страница 17: ...xvi 1 5 Open Network Glossary Introduction ...
Страница 41: ...24 Outline of D BACS System ...
Страница 74: ...57 Remote Controllers HRV Wired remote controller BRC301B61 VAM ...
Страница 88: ...3 6 Wired Remote Controller with Weekly Schedule Timer BRC1D61 71 Remote Controllers 3P107422 3D ...
Страница 102: ...5 2 Wireless Remote Controller BRC4C 7C 7E 85 Remote Controllers 5 2 Wireless Remote Controller BRC4C 7C 7E ...
Страница 103: ...86 5 3 Simplified Remote Controller BRC2C51 BRC2A51 Remote Controllers 5 3 Simplified Remote Controller BRC2C51 BRC2A51 ...
Страница 107: ...90 5 4 HRV BRC301B61 Remote Controllers ...
Страница 142: ...1 2 System Configuration 125 Control Devices 1 2 System Configuration System Outline ...
Страница 181: ...164 3 8 Error Diagnosing Function Control Devices ...
Страница 215: ...198 3 8 Wiring Example intelligent Manager ...
Страница 235: ...218 Interface for Use in BACnet ...
Страница 249: ...232 7 1 Node Objects Interface for use in LONWORKS 7 Object Details 7 1 Node Objects 7 2 DIII NET Common Objects ...
Страница 253: ...236 Interface for use in LONWORKS 10 Reference Materials Error Code Conversion Table ...
Страница 268: ...251 Interface for use in LONWORKS 13 Workflow ...
Страница 285: ...268 1 6 Notes Power Proportional Distribution P P D ...
Страница 319: ...302 1 5 Dio Unit DEC102A51 Adaptor 1 5 2 Part Names and Functions 1 Appearance Dio Unit DEC102A51 ...
Страница 329: ...312 1 6 Di Unit DEC101A51 Adaptor 1 6 2 Part Names and Functions 1 Appearance Di Unit DEC101A51 ...