Orion-system VAV II Controller v.1 Manual de usuario descargar pdf (Pagina 49)

VAV/CAV/MUA Operator Interface SD

MUA II CONTROLLER SETPOINTS

The Push-Button Override Duration Setpoint allows you to adjust the

amount of time the Override will remain in effect when the Override

Button is pressed. To cancel the Override before the Override Duration

time period expires, press the Override Button for 5 to 10 seconds.

Description Minimum Default Maximum

Push-Button

Override Duration

0.0 Hr 2.0 Hr 8.0 Hr

Setpoint Screen #17 - HVAC Mode Sensor

Slide Offset

MUA II SPTS 0001

Slide Offset Sensor

Setpoint....: 0ºF

If the Unit Controller has a Space Temperature Sensor with the Slide

Adjust option installed, the HVAC Mode Enable Heating and Cooling

Setpoints can be offset by the HVAC Mode Sensor Slide Offset Setpoint

value. When the Slide Adjust bar is in the middle, no offset will occur.

If the Slide Adjust bar is moved all the way to the top of the Sensor, the

Heating and Cooling Setpoints will be raised by the Setpoint value you

have entered. If the Slide Adjust bar is moved all the way down to the

bottom of the Sensor, the Heating and Cooling Setpoints will be lowered

by the Setpoint value you have entered.

Description Minimum Default Maximum

HVAC Mode Sensor

Slide Offset

0ºF 0ºF 10ºF

Setpoint Screen #18 - HVAC Schedule

MUA II SPTS 0001

AHU Scheduled By

Schedule Num: 0

0=AHU 1-7=Scheduler

Normally, the MUA II 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. If the MUA II Controller is using its internal schedule, enter

<0> for Internal.

Description Minimum Default Maximum

Schedule Number 0 0 1 to 7

MUA II Setpoint Screens

Setpoint Screen #19 - Supply Fan Starting

Delay Timer

MUA II SPTS 0001

Fan Time Delay

Before Activation

Can Occur..: 60s

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 Start Delay Timer 1 Sec 60 Sec 180 Sec

Setpoint Screen #20 - Sensor Calibration for

SAT & OAT

MUA II SPTS 0001

Sensor Calibration

SAT: XX.X 0.0

OAT: XX.X 0.0

The Thermistor Type III temperature sensors connected to the MUA II

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

Sensor Calibration SAT -100.0ºF 0.0ºF +100.0ºF

Sensor Calibration OAT -100.0ºF 0.0ºF +100.0ºF

Setpoint Screen #21 - Sensor Calibration

Reset for SPC

MUA II SPTS 0001

Sensor Calibration

Reset Sensor

SPC: XX.X 0.0

If you are using a temperature sensor connected to analog input #1 on the

MUA II controller for resetting the Supply Air Temperature, the Therm-

istor Type III temperature sensor connected to the MUA II 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

Sensor Calibration SPC -100.0ºF 0.0ºF +100.0ºF

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 79 80

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Orion-system VAV II Controller v.1 Manual de usuario Pagina 49

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