Daikin UATYQ20-115ABAY1 Manuals

Manuals and User Guides for Daikin UATYQ20-115ABAY1. We have 1 Daikin UATYQ20-115ABAY1 manual available for free PDF download: Service Manual

Daikin UATYQ20-115ABAY1 Service Manual (104 pages)

Roof Top Controller

Brand: Daikin | Category: Controller | Size: 1.12 MB

Table of Contents
3
General
6
Version Log
6
Purpose of the Manual
6
Controller Functions
6
Symbols
6
Abbreviations
7
System Hardware
9
Hardware Parts
9
I/Oboard
9
User Interface
10
Serial Boards for Connection to Control Systems
11
Built-In Serial Board (BMS2 Port)
11
Additional Serial Boards (BMS1 Port)
11
Serial Board RS485 Featuring Modbus RTU or Carel Protocols
11
Serial Board Pco WEB (Ethernet)
11
Installation of Additional Serial Board
12
Plan Local Network
12
Connection of Several Units to a Plan Local Network
14
Network Component Addressing
14
Programming of Pco
15
Software Addressing of Terminals and Boards
15
Addressing of the 6-Button PGD Terminal
15
Software Addressing of the Pco* Boards
15
Procedure for the Identification of the List of Terminals for the Pco* Boards in the Network
16
Network Error Messages
18
Network Status
18
Files to be Uploaded for Controller Programming
19
Bios and Boot Check
19
Programming Using a Smart Key
20
Programming Using the Pco Manager
23
Programming Using Ausb Pen Drive
23
Advanced History and Log Files
25
Access to Logs from the Unit Display
25
Log Downloading and Analysis Using a Personal Computer
27
Check of Network Operating Status
27
Hardware Troubleshooting and Analogue Input Inspection
28
Network Faults
28
Other Faults
28
Analogue Input Testing
29
Active Voltage Probes
29
Active Current Probes
29
NTC" and PT1000 Passive Probes
30
Inputs and Outputs
31
List of Inputs and Outputs
31
Controller Logic
33
General
33
Unit Switch-On
33
Keyboard-Controlled Switch-On
33
Time-Zone-Controlled Switch-On
33
Switch-On through an ON/OFF Digital Input
34
Switch-On Using the Control System
34
Ventilation Management
34
Air Flow Control System
34
Control Logic of Supply and Return Plug-Fans on Temperature Setpoint
35
Dampers Management
36
Control Logic of Dampers
36
Minimum Opening of Recirculation Damper
36
Reduction of Minimum External Air Damper Opening Based on Outdoor Air Temperature
36
Automatic Acquisition of Air Flow Value as Setpoint
36
Manual Operation
37
Fan Overload Switch Alarm
37
Air Flow Alarm
37
Temperature Regulation System
37
Air Cooling
37
Compressor Cooling
37
Free Cooling
38
Air Heating
39
Compressor Heating
39
Hot Water Coil Heating
40
Heating with a Gas-Fuelled Generator
40
Heating with Electric Heaters
40
Free Heating
41
Combined Management of Heating Devices
42
Ambient Air Humidity Regulation
42
Air Dehumidification
42
Air Humidification
43
Ambient Air Quality Control
43
Damper Opening Control in Function of Condensing/Evaporation Pressure
44
Heat Recovery
44
Summer to Winter Mode Switching
45
Summer to Winter Mode Switching Using the Keyboard
45
Summer to Winter Mode Switching Using a Digital Input
45
Automatic Summer to Winter Mode Switching
45
Compressor and Refrigerant Circuit Operation
45
Compressor Switch-On and Switch-Off
45
Compressor Alternation and Power Equalisation
46
Condensation Control
46
Evaporation Control
46
High and Low Pressure Alarm Prevention Function
47
Defrosting
47
Pressure-Driven Defrost
47
Temperature-Driven Defrost
48
Variable Defrost
48
External Air Damper Control Logic During Defrost
49
Compressor Alarms
49
High Pressure Alarms
49
Low Pressure Alarms
49
Compressor Thermal Overload Protector Alarms
49
Hot Gas Circuit in External Coils
49
Secondary Functions
50
Dirty Filters Alarm
50
Washing Function
50
Limitation of Air Delivery Temperature
50
Setpoint Offset
51
Enthalpy-Based Free Cooling/Free Heating
52
Hot Water Anti-Freeze Function in Coil
53
Management of Heater in Condensate Tray
53
Maintenance
53
Maintenance Alarms
53
Alarm History
53
Controller Screens
54
General
54
Software Branches
54
Screen Tree
55
Screen Structure
55
Home Screen and Main Menu
56
Unit On/Off Menu
57
Manufacturer Menu
57
Initialization Branch
58
Configuration Branch
59
Parameters Branch
64
Timing Branch
68
Drivers Branch
70
Plug Fan Branch
70
User Menu
72
Maintenance Menu
81
Clock Menu
85
Examples of Time Slot Programming
87
Setpoint Menu
88
Inputs/Outputs Menu
89
History Menu
92
Summer/Winter Menu
93
Unit Selection Menu
93
Alarms
94
Quick Guide
100
Procedures Required to Enable Accessories Supplied with the Unit
102
Electric Heaters
102
Air Quality Probe
102
Additional Pco Web
102
Modbus/Ip Protocols
102
Remark Relating to Supervisory Control Protocols
103
Activation of Control Logic of Supply and Return Plug-Fans on Temperature Setpoint
103

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Daikin UATYQ20-115ABAY1 Service Manual (104 pages)

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