Orion-system VCC-X Controller Manuale Utente Pagina 27

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VCC-X Operator Interface SD
VCC-X CONFIGURATION
27
VCC-X Con guration Screens
Con guration Screen #9 - HVAC Mode Set By
Remote Contact
VCC-X Cnfg ID #
HVAC Mode Set By
Remote Contact: NO
USE < or > TO CHANGE
This option allows separate 24 VAC wet contact closures on the
VCC-X to force the unit into Heating, Cooling, and Dehumidi ca-
tion modes. If this option is selected, it applies to all three modes,
and all three modes will only be initiated by these contact closures.
See the VCC-X Remote Contact Control section of the Sequence
of Operations in the VCC-X Controller Technical Guide for more
details. Default is NO.
Con guration Screen #10 - SAT Reset Source
VCC-X Cnfg ID #
SAT Reset Source
No Reset
USE < or > TO CHANGE
This con guration option is not available if Single Zone VAV was
selected as the HVAC source. The Supply Air Setpoint can be “au-
tomatically” adjusted based on a selected reset source. This screen
allows you to choose this source.
Default is No Reset. The available
selections are as follows:
No Reset—No SAT Setpoint Reset will occur. The SAT
Setpoints remain xed.
Space Temperature—The SAT Setpoints will be
adjusted based on the Space Temperature.
Outdoor Temperature—The SAT Setpoints will be
adjusted based on the Outdoor Air Temperature.
Return Air Temperature—The SAT Setpoints will be
adjusted based on the Return Air Temperature.
Fan VFD Signal—The SAT Setpoints will be adjusted
based on the VFD Signal. This is good for Adjusting the
Setpoints based on the building’s load by looking at the
VFD speed.
Remote Voltage—The SAT Setpoints will be
adjusted based on the Remote Supply Air Temperature
Voltage Reset Signal.
If the HVAC Source was set Single Zone VAV in Con guration
Screen #8, then line 3 on this screen will read No SAT Rst Allowed
and the line 4 will be blank.
Con guration Screen #11 - Reset Rate Interval
VCC-X Cnfg ID #
Reset Interval
Rate...: 30 s
[1 - 255 Seconds]
If you selected a Reset Source in Con guration Screen #10, enter
a value in seconds between 1-255. This value determines how fast
the Supply Air Temperature Setpoint is adjusted as the Reset Source
changes. Default is 30 seconds.
Con guration Screen #12 - Space Sensor Type
VCC-X Cnfg ID #
Space Sensor Type
NONE
USE < or > TO CHANGE
If this unit has a Space Sensor installed, select Analog if it is a
wired Thermistor temperature sensor. Select E-bus Space/RH if it
is a combination communicating temperature and humidity sensor.
Select Receive Broadcast if the Space Sensor is attached to a sepa-
rate device that will broadcast the reading, e.g., GPC-XP Controller.
Select Remote Sensor if using a Sensor connected to a separate Unit
Controller on the same loop (sharing a sensor). You can select the
Unit Controller that will have the space sensor on Con guration
Screen #13. Default is NONE.
Con guration Screen #13 - Remote Space
Sensor Board Address
VCC-X Cnfg ID #
Remote Space Sensor
Board Address: 0
If using a Remote Space Sensor (must be chosen in Con guration
Screen #12), enter the address of the board it is located on. This Unit
Controller has to be on the same loop as the Controller that will be
sharing the sensor.
Con guration Screen #14 - Outdoor Sensor Type
VCC-X Cnfg ID #
Outdoor Sensor Type
NONE
USE < or > TO CHANGE
If this unit has an Outdoor Air Sensor installed, select Analog if it
is a wired Thermistor temperature sensor. Select E-bus OAT/RH
if it is a combination communicating temperature and humidity
sensor. Select Receive Broadcast if the Outdoor Sensor is attached
to a separate device that will broadcast the reading, e.g., GPC-XP
Controller. Default is NONE.
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