Daikin BRC1E52A Service Manual Page 123
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- Table of contents
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• Control systems
• Standard protocol interfaces • BACnet Interface
Communications Check Sheet
BACnet object list
Memner
number
Name
Object name
(XXX: Air Con Logical Group Number)
Object type
Unit
Inactive Active
Text-1 Text-2 Text-3 Text-4
1 Start/stop (setting) (Note 2) Start stop command_XXX BO Stop Operation
2 Start/stop (status) Start stop status_XXX BI Stop Operation
3 Alarm Alarm_XXX BI Normal Malfunction
4 Malfunction code Malfunction code_XXX MI Normal Manufacturer specific
5 Air conditioner mode (Setting) (Note 2) AirConModeCommand_XXX MO Cooling Heating Fan Auto
6 Air-conditioning mode (status) AirConModeStatus_XXX MI Cooling Heating Fan
7 Air flow rate level (setting) (Note 2) Air flowRate command_XXX MO Low High
8 Air flow rate level (status) AirFlowRateStatus_XXX MI Low Gigh
9 Measured room temperature (Note 1) Roomtemp_XXX AI °C
10 Set room temerature (Note 2) TempAdjust_XXX AV °C
11 Filter sign signal FilterSign_XXX BI No Yes
12 Filter sign segnal reset FilterSignReset_XXX BV Reset
13
Remote control enable /
disable (start / stop)
RemoteControlStart_XXX BV Enabled Disabled
14
Remote control enable / disable
(air-conditioning mode)
RemoteControlAirConModeSet_XXX BV Enabled Disabled
15 Blank
16
Remote controller enable /
disable (set temperature)
RemoteControlTempAdjust_XXX BV Enabled Disabled
(*)17
Central control ‘lower
central control disable)
CL_Rejection_XXX BV Enabled Disabled
18 Blank
19 Accumulated power ElecTotalPower_XXX BV Enabled Disabled
20 Communication status CommunicationStatus_XXX BI
Normal
communication
Communication
error
(*)21 Forced system stop SystemForcedOff_XXX BV Clearance Forced stop
22 Air direction (setting) (Note 2) AirDirectionCommand_XXX AV
23 Air direction (status) AirDirectionStatus_XXX AI
24 Forced thermostat disble (setting) ForcedThermoOFFCommand_XXX BO Clearance Set
25 Forced thermostat disable (status) ForcedThermoOFFStatus_XXX BI Clearance Set
26 Energy saving (setting) Energy EfficiencyCommand_XXX BO Clearance Set
27 Energy saving (status) EnergyEfficiencyStatus_XXX BI Clearance Set
28 Thermostat status ThermoStatus_XXX BI OFF ON
29 Compressor status CompressorStatus_XXX BI Stop Operation
30 Indoor fan status IndoorFanStatus_XXX BI Stop Operation
31 Heater operation status HeaterStatus_CCC BI Stop Operation
Central control (lower central control disable) and orced systemm stop are obly available for 000, 064, 128, and 192.
Notes
1 The room temperature is measured with the suction air. Since the indoor unit fan stops when the thermostat is disabled or the
air conditioner is stopped, or in z special operation such as defrosting, temperature measurement may be affected by the heat
exchanger, and may detect and transmit a different temperature from the actual room temperature, For this reason, this value should
be considered as a reference for the room temperature.
If the building management system manufacturer uses this value for system control (e.g., switching the airconditioning mode or
preset temperature), the manufactureer must take on the whole responsibility.
2 The air conditioner saves the settings for the temperature, start/stop status, air-conditioning mode, air direction, and air flow rate in
the nonvolatile memory each time they are changed, so that the settings will not be lost when a power cut occurs. This nonvolatile
memory has a write count limit and may cause a failure if it is written exceeding the limit count.
Therefore when the temperature, start / stop status, air-conditioning mode, air direction, and air flow rate of each indoor unit are
automatically controlled from the central monitoring panel, be sure that the number of changes for each setting should not exceed
7,000 timer per year.
- Technical Data 1
- TABLE OF CONTENTS 2
- CONTROL SYSTEMS 2
- • Survey of control systems 3
- Save energy 5
- BRC944B2*/BRC1D52 6
- ARC4*/BRC4*/BRC7* 6
- Specifications 7
- (Unit: mm) 10
- 3D038937 10
- 3D028963 10
- Dimensional drawing 11
- 3D013859A 12
- 3D050645 12
- Always in control 13
- Possible indoor units: 14
- Specications 15
- DCS302C51 16
- DCS301B51 16
- DST301B51 16
- 3D004872 17
- 3D049544 18
- Pattern 1 20
- Pattern 2 20
- Length of transmission wiring 22
- Features & Outline 27
- Main Functions 27
- Electric wiring 28
- Features 29
- System overview 31
- Part Names - Connection 32
- Dimensions 37
- System wiring 37
- Function and Outline 38
- File Format 39
- Integration with 41
- User friendliness 42
- Flexibility 42
- Smart energy management 42
- Functions overview 42
- 2. Functions & Options 43
- 2.2. Options 44
- 3. Specications 45
- Rear face 46
- Front panel 47
- Side face 48
- 3.1.3. Required space 49
- 3.1.4. Connections 50
- Requirements that must be met 51
- Connecting a LAN cable 52
- Connecting I/O module 54
- 3.2. iTM plus adaptor 57
- 3.2.1.1 Dimensions 58
- 100-240V 59
- Required space 60
- Environmental conditions 60
- 3.2.3. Connections 61
- NET port 65
- 3.3. iTM Integrator 67
- 3.3.3. Required space 71
- 3.3.4. Connections 72
- 4. Accessories 75
- Part Names and Functions 76
- Installation 78
- DEC101A51 DEC101A51 79
- Electric wiring work 80
- Initial setting 81
- Wiring Procedure 83
- • Dio Unit (DEC102A51) 84
- Electric Wiring Work 92
- Electric Wiring Connection 95
- System Architecture 96
- Design Precautions 97
- Not allowed with 1 unit ! 99
- • Control systems 100
- FXFQ80P×2 101
- Count Accuracy 102
- BEV unit 104
- Super Wiring (DIII-NET) 104
- Outdoor unit 104
- Reference Material 105
- 1-01 1-02 1-03 106
- OFF units 107
- Features of DIII-NET 108
- Terminal Number 108
- Connection Method 109
- Wiring Example 110
- Wiring Length 112
- Cautions: 113
- Unit and Group 114
- 2-unit module 3-unit module 115
- Integration of 117
- Overview functions 118
- KNX interface for 119
- Applied systems network 120
- VRV network 120
- Air handling unit network 120
- BACnet interface for VRV 121
- 3D056945 122
- Communications Check Sheet 123
- Function 124
- Wiring and Setting Procedures 126
- LowWorks Interface for VRV 129
- Applicable Models 130
- Specifications 130
- Accessories 130
- 3D040974 132
- DMS504B51 132
- Air Conditioning 133
- ACNSS energy saving 134
- ACNSS monitoring 134
- COMFORT MAINTAINED 134
- Simplied 135
- easy installation 136
- Dimensions (HxW) mm 60 x 50 137
- Weight g 300 137
- Length of branch wiring m 12 137
- Concept and benefits 138
- EEDE N1 3- 204 139
- EEDE N1 3- 100 139
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