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48 McQuay OM 751
UVC Configuration Parameters
Primary Cool Proportional Band
18°F (10°C)
Primary Cool Integral Time
180 sec
Secondary Cool Proportional Band
18°F (10°C)
Secondary Cool Integral Time
600 sec
Discharge Air Temp Proportional Band
4°F (2.22°C)
Discharge Air Temp Integral Time
300 sec
CO
2
Proportional Band
2
100 PPM
CO
2
Integral Time
2
600 sec
Ventilation Cooling Low Limit Setpoint
VCLL
discharge air low limit during ventilation or economizer cooling
54°F (12°C)
d2
Mechanical Cooling Low Limit Setpoint
MCLL
discharge air low limit during mechanical (compressor) cooling
45°F (7°C)
d3
Discharge Air High Limit
DAHL 140°F (60°C)
Space Fan Off Delay
30 sec
Fan Cycling Configuration space fan operation during occupied, standby and bypass
occupancy modes: 2 = continuous, 3 = cycle
2
CF
Space Fan Speed Changes Per Hour example: 6/60min = 10min (maximum of 1 fan speed change every
10min when fan in auto)
6
Space Fan Run Time Reset reset total run time: 1 = reset (you must return the variable back to
0 after reset)
0
Compressor Run Time Reset reset total run time: 1 = reset (you must return the variable back to
0 after reset)
0
Compressor Enable 0 = disable, 1 = enable
1
C!
Compressor Minimum On Time
180 sec
Compressor Minimum Off Time
300 sec
Compressor Cooling Lockout Setpoint
CCLO
OA temperature below which compressor cooling is not allowed
63.5°F (17.5°C)
Compressor Envelope Cool Max In
120°F (48.89°C)
Compressor Envelope Cool Min In
28°F (-2.22°C)
Compressor Envelope Cool Max Out
160°F (71.11°C)
Compressor Envelope Cool Min Out
40°F (4.44°C)
Compressor Envelope Cool Max Ratio
0.00
Compressor Envelope Cool Max Offset
88°F (48.89°C)
Compressor Envelope Cool Min Ratio
0.0
Compressor Envelope Cool Min Offset
-4°F (-2.22°C)
Auxiliary Heat Start Differential
AHSD
degrees above auxiliary heat start point where auxiliary heat ends
2°F (1°C)
A1
Auxiliary Heat End Differential
AHED
degrees above auxiliary heat start point where auxiliary heat ends
2°F (1°C)
A2
Auxiliary Heat Configuration 0 = normally open heat device (hot water valve, etc.),
1 = normally closed heat device (electric heat, etc.)
0
A3
Space Humidity Sensor Enable
2
0 = disable, 1 = enable (this variable will be factory set to 1 when
the unit is ordered with optional humidity sensor)
0
Outdoor Humidity Sensor Enable
2
0 = disable, 1 = enable (this variable will be factory set to 1 when
the unit is ordered with optional humidity sensor)
0
Configuration Parameter Name Abr. Notes Default
LUI Menu
Item
1