Daikin McQuay MicroTech III Manuals

Daikin McQuay MicroTech III Manuals

Manuals and User Guides for Daikin McQuay MicroTech III. We have 1 Daikin McQuay MicroTech III manual available for free PDF download: Manual

Daikin McQuay MicroTech III Manual

Daikin McQuay MicroTech III Manual (35 pages)

Chiller Unit Controller Protocol Information

Brand: Daikin | Category: Chiller | Size: 0.23 MB

Table of Contents

Table of Contents
2
Limited Warranty
4
Notice
4
Revision History
4
Software Revision
4
Reference Documents
4
Introduction
5
Chiller Models
5
Controller Data Points
5
Modbus Protocol Information
6
Compatibility
6
Protocol Definitions
6
Valid Function Codes
6
Table 1. Valid Function Codes
6
Valid Error Codes
7
Modbus Addressing
7
Modbus Data Point
7
Table 2. Valid Error Codes
7
Example Data Point: Chiller On/Off
8
Configuring the Unit Controller
8
Typical Application: Minimum Integration
9
Display Important Data Points
9
Table 3. Significant Data Points
9
Protocol Point Summary
10
Register Mapping
10
Table 4. Chiller Data Points
10
Table 5. Circuit Data Points
14
Table 6. Compressor Data Points
15
Table 7. Pump Data Points
15
Table 8. Miscellaneous Data Points
15
Alarm Data Points
16
Table 9. Warning Alarms
16
Table 10. Problem Alarms
16
Table 11. Fault Alarms
17
Detailed Data Point Information
19
Active Capacity Limit Output
19
Active Setpoint
19
Actual Capacity
19
Alarm Digital Output
19
Application Software Version
20
Capacity Limit Setpoint - Network
20
Chiller Capacity Limited
20
Chiller Current
20
Chiller Enable Output
21
Chiller Enable Setpoint
21
Chiller Local/Remote
21
Chiller Location
21
Chiller Mode Output
21
Chiller Mode Setpoint - Network
22
Chiller Model
22
Chiller On/Off
22
Chiller Status
22
Clear Alarms - Network
22
Compressor Discharge Refrigerant Temperature
23
Compressor Run Hours
23
Compressor Starts
23
Compressor Suction Refrigerant Temperature
23
Condenser Refrigerant Pressure
24
Condenser Saturated Refrigerant Temperature
24
Cool Setpoint - Network
24
Current Date & Time
24
Evaporator Entering Fluid Temperature
25
Evaporator Flow Switch Status
25
Evaporator Leaving Fluid Temperature
25
Evaporator Pump Run Hours
25
Evaporator Pump Status
25
Evaporator Refrigerant Pressure
25
Evaporator Saturated Refrigerant Temperature
26
Fault Alarm Code
26
Fault Alarm Index
26
Ice Setpoint - Network
26
Outdoor Air Temperature
26
Problem Alarm Code
26
Problem Alarm Index
27
Run Enabled
27
Units
27
Warning Alarm Code
27
Warning Alarm Index
27
Alarms
28
Alarm Classes
28
Fault Alarms
28
Problem Alarms
28
Warning Alarms
28
Alarm Handling
28
Alarm Digital Output
28
Clear Alarms - Network
29
Active Alarms
29
Table 12. Modbus Warning Alarms
29
Table 13. Modbus Problem Alarms
30
Table 14. Modbus Fault Alarms
31
Appendix A: Ascii Characters Conversion Table
33
Index
34

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