Getting Started
Figure 5: Changing a keypad/display menu item
Table 7: Keypad/display menu item list
Display | Keypad menu item list | Abr. | Description | RO | 05 | Default |
RW1 |
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rA | Reset Alarm Input |
| Enter 1 to clear alarms (clears all inactive alarms, except filter alarm). To enable | RW | x | //2 |
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| the alarm again, enter 0. |
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HC | UVC (Heat/Cool) Mode | UVCM | Display current UVC mode. 1 = Heat, 3 = Cool, 4 = Night Purge, 6 = Off, 8 = Emerg. | RO | x |
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Output | Heat, 9 = Fan Only |
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| UVC State Output |
| Display current UVC state. 1 = EconMech, 2 = Mech, 3 = Econ, 4 = DA Heat, 5 = |
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St |
| UVCS | Heat, 6 = ActiveDehum, 7 = Full Heat, 8 = Night Purge, 9 = Off, 10 = Fan Only, 11 | RO | x |
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| = Heat Mode Cant Heat, 12 = CantCool, 13 = Emerg Heat Mode Cant Heat, 14 = |
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| Heat Mode Low Limit, 15 = Cool Mode Low Limit |
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d0 | Discharge Air Temp Set | DATS | Display current DA temperature set point. | RO | x |
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point Output |
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d1 | OutputDischarge Air Temp | DAT | Display current DA temperature. | RO | x |
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d2 | Ventilation Cooling Low | VCLL | Adjust economizer cooling DA temperature low limit. | RW | x | 54°F |
Limit set point | (12°C) | |||||
d3 | Mechanical Cooling Low | MCLL | Adjust mechanical cooling DA temperature low limit. | RW | x | 45°F |
Limit set point | (7°C) | |||||
SL | Slave Type Configuration |
| Set slave type: 0 = Independent (slave uses own sensors), 1 = Dependent (slave |
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| follows master). This feature requires a network over which the master and slave | RW | x | 0 | |
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| UVCs can communicate. |
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Eo | OutputEffective Occupancy |
| Display current occupancy. | RO | x |
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o( | Occupancy Override |
| Set occupancy: 0 = occupied, 1 = unoccupied, 2 = bypass, 3 = standby. Adjusting |
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Input |
| this variable is intended only for troubleshooting. Once you are done, cycle unit | RW | x | ||
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| power to clear this variable and return the UVC to normal operation. |
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(o | Occupied Cooling set | OCS | Adjust occupied cooling set point. | RW | x | 73.4°F |
point | (23°C) | |||||
(S | Standby Cooling Set | SCS | Adjust standby cooling set point. | RW | x | 77°F |
point | (25°C) | |||||
(U | Unoccupied Cooling Set | UCS | Adjust unoccupied cooling set point. | RW | x | 82.4°F |
point | (28°C) | |||||
ko | Occupied Heating Set | OHS | Adjust occupied heating set point. | RW | x | 69.8°F |
point | (21°C) | |||||
kS | Standby Heating Set | SHS | Adjust standby heating set point. | RW | x | 66.2°F |
point | (19°C) | |||||
kU | Unoccupied Heating Set | UHS | Adjust unoccupied heating set point. | RW | x | 60.8°F |
point | (16°C) | |||||
rS | Wall Sensor Type |
| Set wall sensor type: 0 = | RW | x | 0 |
o1 | Outside Air Damper | OADP | Display OA damper position. | RO | x |
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Position Output |
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o2 | OAD Min Position High- | OADH | Adjust OA damper minimum position with IAF at high speed. (This variable is | RW | x | 20% |
Speed Set point | factory set to 5% open when the unit is ordered with optional CO DCV.) | |||||
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o3 | OAD Min Position Med- |
| Adjust OA damper minimum position with IAF at medium speed. (This variable is |
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Speed Set point | OADM | not used when the optional CO2 DCV is enabled. Only OADH is active as the OA | RW | x | 25% | |
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| damper minimum regardless of fan speed.) |
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o4 | OAD Min Position Low- |
| Adjust OA damper minimum position with IAF at low speed. (This variable is not |
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Speed Set point | OADL | used when the optional CO2 DCV is enabled. Only OADH is active as the OA | RW | x | 30% | |
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| damper minimum regardless of fan speed.) |
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10 | McQuay OM 751 |
