Orion System MUA II D Controllers Operator Interfaces - Manual (Page 17)

Operator Interfaces
Technical Guide
17
Setpoint Screen #16
MUA II Spts IDxxxx
Push-Button Override
Duration : x.x Hr
If the Space Temperature sensor contains the optional push-button over-
ride then this is the amount of time the unit will revert to occupied
operation whenever the button is pressed during the unoccupied mode.
Description Minimum Default Maximum
Duration 0.0 Hr 2.0 Hr 8.0 Hr
Setpoint Screen #17
MUA II Spts IDxxxx
Maximum Slide Offset
Effect on Spt: x
° F
If Space Temperature is used as the controlling sensor for the HVAC
unit and it is supplied with the optional Setpoint Slide Adjust, this is
the maximum amount the user can adjust the heating and cooling set-
points up or down as the slide is moved from the center position to its
full up or down position.
Description Minimum Default Maximum
Effect on Spt 0
°
F 0
°
F 10
°
F
Setpoint Screen #18
MUA II Spts IDxxxx
AHU Scheduled By
Schedule Number: x
0=AHU 1-7=Scheduler
Normally, the MUA II D controller will use its own internal time clock
and week schedules to set the occupied mode of operation. If you have
several air handlers you can connect an external scheduling device to
the communications loop and program the air handler for the desired
schedule to follow. If the MUA II D controller is using its internal sched-
ule, enter a ‘0’ for the Schedule Number.
Description Minimum Default Maximum
Schedule Number 0 0 7
Setpoint Screen #19
MUA II Spts IDxxxx
Fan Time Delay
Before Activation
Can Occur..:XXX Sec
This is the time delay that occurs before the fan is activated when the
unit switches into the occupied mode from unoccupied mode.
Description Minimum Default Maximum
Fan Time Delay Before
Activation Can Occur 1 Second 60 Second 180 Second
Setpoint Screen #20
MUA II Spts IDxxxx
Sensor Calibration
SAT: xx.x
° xx.x °
OAT: xx.x ° xx.x °
The Thermistor Type III temperature sensors connected to the MUA II
D controller can be calibrated using this screen. Enter a Positive value
to increase a reading and a Negative value to decrease a reading.
Description Minimum Default Maximum
Supply Sensor - SAT -100.0° F 0.0° F +100.0° F
Outdoor Sensor - OAT -100.0° F 0.0° F +100.0° F
Setpoint Screen #21
MUA II Spts IDxxxx
Sensor Calibration
Reset Sensor
SPC: xx.x
° xx.x °
If you are using a temperature sensor connected to analog input #1 on
the MUA II D controller for resetting the Supply Air Temperature, the
Thermistor Type III temperature sensor connected to the MUA II D
controller can be calibrated using this screen. Enter a Positive value to
increase a reading and a Negative value to decrease a reading.
Description Minimum Default Maximum
Reset Sensor - RST -100.0° F 0.0° F +100.0° F