Daikin MicroTech Manuals

Manuals and User Guides for Daikin MicroTech. We have 1 Daikin MicroTech manual available for free PDF download: Operation And Maintenance

Daikin MicroTech Operation And Maintenance (78 pages)

Unit Ventilator Controls for Applied Classroom Unit Ventilators

Brand: Daikin | Category: Fan | Size: 2.03 MB

Table of Contents
2
Introduction

4
Hazardous Information Messages

4
Revision History

4
Acronyms/Abbreviations

5
Getting Started

6
Local User Interface (LUI) Keypad

6
- Display Format
  6
- Using the LUI Keypad
  6
- Keypad Functions
  6
- Keypad Navigation
  6
Description of Operation

10
- State Programming
  10
UVC Unit Modes

11
- Off Mode
  11
  - Night Purge Mode
    11
  - Fan Only Mode
    11
  - Auto Mode
    11
Discharge Air Temperature Control

12
- Discharge Air Temperature Resets
  12
Heat Mode (Super State)

14
Emergency Heat Mode (Super State)

18
- Full Heat State
  18
Cool Mode (Super State)

20
- Economizer State
  21
- Economizer Compressor/Water
  21
- Compressor/Water State
  21
- DX Split System Cooling
  21
- Chilled Water Valve Control
  22
- Chilled Water Face and Bypass Damper and End of Cycle Valve Control
  22
- Reheat State
  23
- Reheat/Low Limit State
  23
- Can't Cool State
  23
Air Tempering Mode

23
Fi

25
Special Purpose Unit Modes

25
- Pressurize Mode
  25
- Depressurize Mode
  25
- Purge Mode
  25
- Shutdown Mode
  25
- Energy Hold off Mode
  25
Unit Mode Priority

26
Occupancy Modes

27
- Occupied Mode
  27
- Unoccupied Mode
  27
- Standby Mode
  27
- Bypass Mode
  27
Additional Occupancy Features

29
Proportional Integral (PI) Control Loops

32
- PI Control Parameters
  33
- Proportional Band
  33
- Integral Time
  33
Indoor Air Fan Operation

34
- Auto Mode
  34
- Manual Fan Mode
  34
- Occupied, Standby, and Bypass Operation
  34
- Unoccupied Operation
  34
- Cycle Fan
  34
- Off Delay
  34
- Fan Control
  34
- 3-Speed Fixed
  34
- 3-Speed Adjustable
  35
- Variable Speed Fan
  35
Outdoor Air Damper Operation

35
Economizer Operation

36
Compressor Operation

38
- Compressor Cooling Lockout
  38
- Compressor Heating Lockout
  38
- Compressor Minimum on and off Timers
  38
- Compressor Start Delay
  38
- Reversing Valve Operation
  38
- Motorized Water Valve Delay
  38
- Outdoor Air Fan Operation
  38
Water Coil Leaving Air Thermostat (Freeze-Stat)

38
- Valve Control
  38
- Face and Bypass Damper Control
  39
2-Pipe Changeover Heating/Cooling Availability

39
External Binary Inputs

40
- External Binary Input 1
  40
- External Binary Input 2
  40
- External Binary Input 3
  40
External Binary Outputs

41
- External Binary Output 1
  41
- External Binary Output 2
  41
- External Binary Output 3
  41
UVC Inputs and Outputs

42
Trending Parameters

44
Fi

46
UVC Configuration Parameters

46
Fi

53
Alarm and Fault Monitoring

53
- Alarm Types
  53
Sensor Faults and Failures

54
- Fault Sequences
  54
Troubleshooting Temperature Sensors

62
Troubleshooting Humidity Sensors

63
Troubleshooting Carbon Dioxide (CO 2 ) Sensors

63

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Daikin MicroTech Operation And Maintenance (78 pages)

Table of Contents

Introduction

Hazardous Information Messages

Revision History

Acronyms/Abbreviations

Getting Started

Local User Interface (LUI) Keypad

Description of Operation

UVC Unit Modes

Discharge Air Temperature Control

Heat Mode (Super State)

Emergency Heat Mode (Super State)

Cool Mode (Super State)

Air Tempering Mode

Fi

Special Purpose Unit Modes

Unit Mode Priority

Occupancy Modes

Additional Occupancy Features

Proportional Integral (PI) Control Loops

Indoor Air Fan Operation

Outdoor Air Damper Operation

Economizer Operation

Compressor Operation

Water Coil Leaving Air Thermostat (Freeze-Stat)

2-Pipe Changeover Heating/Cooling Availability

External Binary Inputs

External Binary Outputs

UVC Inputs and Outputs

Trending Parameters

Fi

UVC Configuration Parameters

Fi

Alarm and Fault Monitoring

Sensor Faults and Failures

Troubleshooting Temperature Sensors

Troubleshooting Humidity Sensors

Troubleshooting Carbon Dioxide (CO 2 ) Sensors

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