UVC Configuration Parameters
UVC Configuration Parameters
The UVC is been provided with a number of configuration variables as listed in the following table. These configuration variables are stored in UVC
Table 26: UVC configuration parameters (OM 751)
Configuration Parameter Name | Abr. | Notes | Default | LUI Menu | |
Item1 | |||||
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Occupied Cooling Setpoint | OCS |
| 73°F (23°C) | Co | |
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Standby Cooling Setpoint | SCS |
| 77°F (25°C) | C5 | |
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Unoccupied Cooling Setpoint | UCS |
| 82°F (28°C) | CU | |
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Occupied Heating Setpoint | OHS |
| 70°F (21°C) | Ho | |
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Standby Heating Setpoint | SHS |
| 66°F (19°C) | H5 | |
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Unoccupied Heating Setpoint | UHS |
| 61°F (16°C) | HU | |
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Local Bypass Time |
| Tenant override | 120 min |
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Space CO2 Setpoint2 | CO S |
| 1200 PPM |
| |
| 2 |
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Space Humidity Setpoint2 | RHS | used with both active (reheat) and passive dehumidification | 60% Rh |
| |
| sequences |
| |||
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Emergency Heat Enable |
| 0 = disable, 1 = enable (uses auxiliary heat where primary heat is | 1 | H1 | |
|
| not applicable) | |||
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Emergency Heat Setpoint | EHS |
| 54°F (12°C) | H2 | |
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Emergency Heat Shutdown |
| 0 = no emergency heat during shutdown, 1 = emergency heat | 0 | H3 | |
Configuration |
| available during shutdown | |||
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| |||
Wall Sensor Type2 |
| 0 = +/- 3°F, 1 = 55°F to 85°F | 0 | r5 | |
Slave Type Configuration2 |
| 0 = independent slave, 1 = dependent slave | 0 | SL | |
OAD Min Position | OADH | (this variable will be factory set to 5% open when the unit is ordered | 20% open | o2 | |
|
| with optional CO2 DCV) |
|
| |
OAD Min Position | OADM | (this variable is ignored when the unit is ordered with optional CO2 | 25% open | o3 | |
| DCV) | ||||
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OAD Min Position | OADL | (this variable is ignored when the unit is ordered with optional CO2 | 30% open | o4 | |
| DCV) | ||||
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Exhaust Interlock OAD Min Position | EOAD | OA damper minimum position when the exhaust interlock input is | 99% open | o5 | |
Setpoint |
| energized |
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| |
Energize Exhaust Fan OAD Setpoint | OADE | defines position above which exhaust fan output will be energized | 12% open | o6 | |
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OAD Max Position Setpoint | OAMX |
| 99% open | o7 | |
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OAD Lockout Enable |
| 0 = disable, 1 = enable (this variable will be factory set to 1 when | 0 | o8 | |
|
| the unit is ordered as a recirc unit with no OAD) | |||
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OAD Lockout Setpoint |
| OA temperature below which the OA damper will remain closed |
| o9 | |
| OALS | (this variable will be factory set to | 36°F (2°C) | ||
|
| as a recirc unit with no OAD) |
|
| |
Economizer Enable |
| 0 = disable, 1 = enable | 1 | E1 | |
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Economizer OA Temp Setpoint | ETS |
| 68°F (20°C) | E2 | |
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Economizer IA/OA Temp Differential | ETD |
| 2°F (1°C) | e3 | |
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Economizer OA Enthalpy Setpoint | EES |
| 25 btu/lb (58 kJ/kg) | e5 | |
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Economizer IA/OA Enthalpy Differential | EED |
| 1.3 btu/lb (3 kJ/kg) | e6 | |
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External |
| 0 = Ventilation Lockout, 1 = Exhaust Interlock | 0 | B3 | |
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External |
| 0 = Exhaust Fan On/Off, 1 = Auxiliary Heat | 0 | B6 | |
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Filter Alarm Enable |
| 0 = disable, 1 = enable | 0 | CE | |
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Filter Change Hours Setpoint |
| fan run hours between filter change alarms | 700 hrs |
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McQuay OM 751 | 47 |
