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UV05 manual
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Contents
Main
DX Cooling Only- Software Model UV05
MicroTech II Unit Ventilator Controls
for AAF-HermanNelson Classroom Unit Ventilators
Operation Maintenance Manual OM 751-1
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
UVC Configuration Parameters . . . . . . . . . . . . . . . 47
Description of Operation . . . . . . . . . . . . . . . . . . . . 12
Introduction
NOTICE
WARNING
CAUTION
McQuay OM 751 5
Introduction
Acronyms/Abbreviations
Table 5: Acronyms and abbreviations
Introduction
Getting Started
Using the Keypad/Display
II
Micr o T ech
Display Format
Page
Using the Keypad/Display
Menu Reference
70 71 70
So
-1
70
0
rA
Table 7: Keypad/display menu item list
o4
o3
o2
Page
Description of Operation
State Programming
McQuay OM 751 13
Figure 6: Complete UVCstate diagram
UVC Unit Modes
OFF Mode (State 9)
Night Purge Mode (State 8)
Fan Only Mode (State A)
Emergency Heat Mode (Super State)
Auto Mode
Cool Mode (Super State)
McQuay OM 751 19
Figure 12: Cool mode super state diagram
F
LowLimit
C
Page
Special Purpose Unit Modes
Page
McQuay OM 751 23
Unit Mode Priority
Table 11: Normal UVC mode priority
Table 10: Special purpose UVC unit mode priority
Occupancy Modes
Occupied Mode
Unoccupied Mode
Standby Mode
Bypass Mode
Additional Occupancy Features
Networked Occupancy Sensor Capability
Unit-Mounted Time-Clock
Unit-Mounted Tenant Override Switch
Remote Wall-Mounted Sensor Tenant Override Switch
Space Temperature Set Points
Networked Set Point Capability
Networked Set Point Offset Capability
Networked Set Point Shift Capability
Networked Space Temperature Sensor Capability
Remote Wall-Mounted Sensor with +/3F Adjustment (optional)
Remote Wall-Mounted Sensor with 55F to 85F Adjustment (optional)
Effective Set Point Calculations
28 McQuay OM 751
Figure 16: Effective set point calculations
Table 15: Set point calculation examples
McQuay OM 751 29
Proportional Integral (PI) Control Loops
PI - 5
Table 16: PI loop list
Figure 17: PI loop graphi c for CO
PI Control Parameters
Proportional Band
Integral Time
Area Under The Curve Too Small
Indoor Air Fan Operation
Auto Mode
Occupied, Standby, and Bypass Operation
Unoccupied Operation
Cycle Fan
Outdoor Air Damper Operation
Minimum Position
Economizer Operation
Page
Networked Space Humidity Sensor Capability
Networked Outdoor Humidity Sensor Capability
CO2 Demand Controlled Ventilation (optional)
Networked Space CO2 Sensor Capability
ASHRAE Cycle II
Compressor Operation
Compressor Envelope
Compressor Cooling Lockout
Compressor Minimum On and Off Timers
Compressor Start Delay
Floating-Point Actuator Auto-Zero, Overdrive and Sync
External Binary Inputs
External Binary Input 1
External Binary Input 2
External Binary Input 3
External Binary Outputs
External Binary Output 1
External Binary Output 2
External Binary Output 3
Page
40 McQuay OM 751
UVC Input and Output Table
UVC Input and Output Table
Table 21: Inputs and outputs, software model 05DX cooling only
Diagnostics and Service
Alarm and Fault Monitoring
Space Temp Sensor Failure (F0)
DX Pressure Fault (F1)
Compressor Envelope Fault (F2)
Discharge Air DX Cooling Low Limit Indication (F3)
Condensate Overflow Indication (optional) (F4)
Space Coil DX Temp Sensor Failure (F5)
Outdoor Temp Sensor Failure (F6)
Discharge Air Temp Sensor Failure (F7)
Outdoor Coil DX Temp Sensor Failure (F8)
Troubleshooting Temperature Sensors
Troubleshooting Humidity Sensors
T roubleshooting Carbon Dioxide (CO
UVC Configuration Parameters
Page
McQuay OM 751 49
UVC Configuration Parameters
C6
Warranty