Orion-system VCC-X Controller Manual do Utilizador Página 50
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VCC-X SETPOINTS
VCC-X Operator Interface SD
50
Setpoint Screen #35 - Preheat Relay Setpoint
VCC-X Spts ID:#
Preheat Relay
Setpoint: 30.0ºF
For cold climates where freezing temperatures may be experienced,
a Pre-Heater relay output can be activated to control a preheat coil
based on the Outdoor Air Temperature to prevent freezing of Water
Coils. One of the VCC-X Relay Outputs must be confi gured for the
Pre-Heater control. When confi gured, any time the Outdoor Air Tem-
perature falls below the Preheat Setpoint during Occupied Mode and
the HVAC unit’s fan is running, the Pre-Heater relay will activate.
This setpoint will also be used to enable the PREHEAT-X Control-
ler if it is being used in conjunction with the VCC-X Controller.
Description Minimum Default Maximum
Preheat Setpoint -30ºF
(-34.4ºC)
30ºF
(-1.1ºC)
70ºF
(21.1ºC)
Setpoint Screen #36 - Low Ambient Setpoint
VCC-X Spts ID:#
Low Ambient
Setpoint: 30.0ºF
Similar to the Pre-Heat Relay, a Low Ambient Relay can be confi g-
ured to energize anytime (during Occupied or Unoccupied Mode)
the Outdoor Air Temperature falls below this setpoint. The Low
Ambient Relay, though, can energize whether the fan is running or
not. This could be used to energize a boiler, for instance.
Description Minimum Default Maximum
Low Ambient Setpoint -30ºF
(-34.4ºC)
30ºF
(-1.1ºC)
70ºF
(21.1ºC)
Setpoint Screen #37 - Heat Wheel Defrost
Temperature Setpoint
VCC-X Spts ID:#
Heat Wheel Defrost
Temp Setpoint: 30.0ºF
The unit will go into Heat Wheel Defrost Mode when the Outdoor
Air is below this setpoint.
Description Minimum Default Maximum
Heat Wheel Defrost 0ºF
(0ºC)
30ºF
(-1.1ºC)
50ºF
(10ºC)
Setpoint Screen #38 - Morning Warm Up Max
Length & Target Temp
VCC-X Spts ID:#
Morning WarmUp
Max Length: 60 Min
Target Temp: 70.0º F
When the VCC-X is confi gured for Morning Warm-up and the con-
troller enters the Occupied Mode, the VCC-X looks at the Return
Air Temperature to determine if the unit should initiate Morning
Warm-up Mode. If the Return Air Temperature is below the Morning
Warm-up Target Temperature and the Max Length is greater than
“0,” the VCC-X will initiate Heating. This is considered Morning
Warm-up and will run until the Return Air Temperature rises above
the Morning Warm-up Target Temperature or until the Max Length
Setpoint time expires.
Description Minimum Default Maximum
Morning Warm Up
Max Length
0 Min 60 Min 240 Min
Morning Warm Up
Target Temp
50ºF
(10ºC)
70ºF
(21ºC)
90ºF
(32.2ºC)
Setpoint Screen #39 - SZ VAV Integral
Constant
VCC-X Spts ID:#
SZ VAV Integral
Constant: 0
If the SZ VAV Fan Speed Control requires Integral control, enter
the Integral constant here.
Description Minimum Default Maximum
SZ VAV Integral Constant 0 0 10
VCC-X Setpoint Screens
- VCC-X Controller 1
- Operator Interface SD 1
- Technical Guide 1
- SD CARD UPDATING INSTRUCTIONS 2
- IMPORTANT NOTICE 2
- SYSTEM CONNECTION 4
- Modular Service Tool SD 4
- Modular Service Tool 5
- Modular System Manager SD 6
- Network Connection 7
- Power/Comm Board Wiring 8
- Stand Alone Connection 9
- MODULAR SERVICE TOOL SD 10
- Modular Service Tool Keys 10
- VCC-X Operator Interface SD 11
- Alarm and Override Search 13
- Schedules and Holidays 14
- MODULAR SYSTEM MANAGER SD 16
- MODULAR SYSTEM MANAGER SD 17
- Setting the Operating Mode 18
- Changing Passcodes 19
- VCC-X CONFIGURATION 24
- VCC-X CONFIGURATION 25
- VCC-X Confi guration Screens 25
- VCC-X Confi guration Screens 26
- VCC-X Setpoint Screens 39
- VCC-X SETPOINTS 40
- VCC-X SETPOINTS 41
- VCC-X STATUS 54
- VCC-X Status Screens 54
- RSMV CONFIGURATION 64
- RSMV Confi guration Screens 64
- RSMV STATUS 67
- RSMV Status Screens 67
- VAV/ZONE CONFIGURATION 69
- VAV/ZONE CONFIGURATION 70
- VAV/Zone Setpoint Screens 72
- VAV/ZONE STATUS 76
- VAV/Zone Status Screens 76
- VAV/ZONE DAMPER FORCE 78
- VAV/Zone Damper Force Modes 78
- MINILINK PD CONFIGURATION 80
- VCC-X Outputs Force 81
- TROUBLESHOOTING 82
- > to get to the Balance 83
- Save Setpoints - Network Mode 83
- SD Memory Card Update 85
- WattMaster Controllers 86
- HVAC Mode Deadband.........41 89
- VAV/Zone.........75 89
- Controlling Sensor Low Alarm 91
- VAV/Zone Confi guration 93
- VAV/Zone Status 93
- Zone Damper Position 94
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