Table Of Contents - Daikin MicroTech II Operation And Maintenance Manual

Introduction ..........................................................................4
Acronyms/Abbreviations ..................................................6
Getting Started ....................................................................8
Using the Keypad/Display ................................................8
Display Format .................................................................8
Keypad Functions ............................................................8
Using the Keypad/Display ..............................................10
Changing Set Points ......................................................10
Menu Reference ............................................................10
State Programming ........................................................13
Description of Operation ................................................13
UVC Unit Modes ................................................................14
OFF Mode (State 9) ........................................................15
Night Purge Mode (State 8) ...........................................16
Fan Only Mode (State 10) .............................................16
Emergency Heat Mode (Super State) ............................17
Auto Mode .....................................................................18
Cool Mode (Super State) ...............................................19
Special Purpose Unit Modes ............................................22
Unit Mode Priority .............................................................23
Occupancy Modes ............................................................24
Occupied Mode ..............................................................24
Unoccupied Mode ..........................................................24
Standby Mode ................................................................24
Bypass Mode .................................................................24
Additional Occupancy Features ......................................25
Networked Occupancy Sensor Capability .....................25
Unit-Mounted Time-Clock ..............................................25
Unit-Mounted Tenant Override Switch ...........................25
Remote Wall-Mounted Sensor Tenant Override Switch 25
Remote Wall-Mounted Sensor Status LED ...................25
Space Temperature Set Points ........................................26
Networked Set Point Capability .....................................26
Networked Set Point Offset Capability ...........................26
Networked Set Point Shift Capability ..............................26
Networked Space Temperature Sensor Capability ........26
Remote Wall-Mounted Sensor with +/-3°F Adjustment
(optional) ........................................................................26
Remote Wall-Mounted Sensor with 55°F to 85°F
Adjustment (optional) .....................................................27
Effective Set Point Calculations .....................................27
Proportional Integral (PI) Control Loops ........................29
Discharge Air Temperature Control ................................29
PI Control Parameters ......................................................30
Proportional Band ..........................................................30
www.DaikinApplied.com
Integral Time ..................................................................31
Indoor Air Fan Operation .................................................31
Auto Mode ......................................................................31
Occupied, Standby, and Bypass Operation ...................31
Unoccupied Operation ...................................................31
Cycle Fan........................................................................31
Off Delay .........................................................................31
Outdoor Air Damper Operation ........................................32
Minimum Position ...........................................................32
Economizer Operation ....................................................32
Networked Space Humidity Sensor Capability ..............33
Networked Outdoor Humidity Sensor Capability ...........33
CO 2 Demand Controlled Ventilation (optional) ..............33
Networked Space CO 2 Sensor Capability .....................34
ASHRAE Cycle II ...........................................................34
Outdoor Air Fan Operation..............................................34
Floating-Point Actuator Auto-Zero, Overdrive and Sync 35
External Binary Inputs .....................................................35
External Binary Input 1 ..................................................35
External Binary Input 2 ..................................................35
External Binary Outputs ..................................................36
External Binary Output 1 ................................................36
External Binary Output 2 ................................................36
External Binary Output 3 ................................................36
UVC Input and Output Table ............................................37
Diagnostics and Service ..................................................38
Alarm and Fault Monitoring ............................................38
Space Temp Sensor Failure (f0) .................................39
Outdoor Temp Sensor Failure (f6) ..............................39
Discharge Air Temp Sensor Failure (f7) .....................39
Space Humidity Sensor Failure (optional) (fa) ...........39
Outdoor Humidity Sensor Failure (optional) (fb) .........39
Space CO 2 Sensor Failure (optional) (fc) ..................39
Change Filter Indication (ff) .......................................39
EPROM Memory Indicator (ee) ...................................40
Configuration Display (--) ...........................................40
Troubleshooting Temperature Sensors ..........................40
Troubleshooting Humidity Sensors ................................41
Troubleshooting Carbon Dioxide (CO 2 ) Sensors ..........41
UVC Configuration Parameters .......................................42
3
C
ontents
OM 752-4