117
VCCX2 Controller Technical Guide
BACnet
®
Properties for the VCCX2 Controller
Parameter Object
Description
Limits
Preheater SCR
Output Signal
AI: 40
Current Modulating Heat
Signal for Preheater
Preheater PWM
Output Signal
AI: 41
Current PWM Output
Signal for Preheater
Mod Hot Gas
Reheat Valve
Position
AI: 42
Current position of
MHGRV Modulating Hot
Gas Reheat Valve
Mod Gas Heat
Valve Position
AI: 43
Current position of
MODGAS Modulating Gas
Valve Control
A1
Compressor
Signal
AI: 44
Current Compressor A1
Modulating Cooling Signal
A2
Compressor
Signal
AI: 45
Current Compressor A2
Modulating Cooling Signal
A1
Condenser
Signal
AI: 46
Current A1 Condenser
Signal
A2
Condenser
Signal
AI: 47
Current A2 Condenser
Signal or WSE Bypass
Valve Signal
A1 Suction
Pressure
AI: 48
Current Compressor A1
Suction Pressure
A2 Suction
Pressure
AI: 49
Current Compressor A2
Suction Pressure
A1 Head
Pressure
AI: 50
Current Compressor A1
Head Pressure
A2 Head
Pressure
AI: 51
Current Compressor A2
Head Pressure
A1 Saturation
Temperature
AI: 52
Current Compressor A1
Coil Saturation
Temperature
A2 Saturation
Temperature
AI: 53
Current Compressor A2
Coil Saturation
Temperature
A1 Suction Line
Temperature
AI: 54
Current Compressor A1
Suction Line Temperature
A2 Suction Line
Temperature
AI: 55
Current Compressor A2
Suction Line Temperature
A1 Condenser
Suction Temp
(Heat Pump)
AI: 56
Current Compressor A1
Suction Line Temperature
(Heat Pump)
A2 Condenser
Suction Temp
(Heat Pump)
AI: 57
Current Compressor A2
Suction Line Temperature
(Heat Pump)
A1 Superheat
Temperature
AI: 58
Current Compressor A1
Superheat Temperature
A2 Superheat
Temperature
AI: 59
Current Compressor A2
Superheat Temperature
Condenser A1
Superheat (Heat
Pump)
AI: 60
Current Compressor A1
Superheat Temperature
(Heat Pump)
Condenser A2
Superheat (Heat
Pump)
AI: 61
Current Compressor A2
Superheat Temperature
(Heat Pump)
BACnet
®
Properties for the VCCX2 Controller
Parameter Object
Description
Limits
A1 Expansion
Valve Position
AI: 62
Current position of
Compressor A1 Expansion
Valve
A2 Expansion
Valve Position
AI: 63
Current position of
Compressor A2 Expansion
Valve
Condenser A1
Expansion Valve
Position
AI: 64
Current position of
Condenser A1 Expansion
Valve
Condenser A2
Expansion Valve
Position
AI: 65
Current position of
Condenser A2 Expansion
Valve
A1 Discharge
Temperature
AI: 66
Current Compressor A1
Discharge Temperature
A2 Discharge
Temperature
AI: 67
Current Compressor A2
Discharge Temperature
A1 Leaving
Water Temp
AI: 68
Current A1 Leaving Water
Temperature for WSHP
B1
Compressor
Signal
AI: 69
Current Compressor B1
Modulating Cooling Signal
B2
Compressor
Signal
AI: 70
Current Compressor B2
Modulating Cooling Signal
B1 Condenser
Signal
AI: 71
Current B1 Condenser
Signal
B2 Condenser
Signal
AI: 72
Current B2 Condenser
Signal or WSE Bypass
Valve Signal
B1 Suction
Pressure
AI: 73
Current Compressor B1
Suction Pressure
B2 Suction
Pressure
AI: 74
Current Compressor B2
Suction Pressure
B1 Head
Pressure
AI: 75
Current Compressor B1
Head Pressure
B2 Head
Pressure
AI: 76
Current Compressor B2
Head Pressure
B1 Saturation
Temperature
AI: 77
Current
Compressor B1 Coil
Saturation Temperature
B2 Saturation
Temperature
AI: 78
Current
Compressor B2 Coil
Saturation Temperature
B1 Suction Line
Temperature
AI: 79
Current Compressor B1
Suction Line Temperature
B2 Suction Line
Temperature
AI: 80
Current Compressor B2
Suction Line Temperature
B1
Condenser Suc
-
tion Temp (Heat
Pump)
AI: 81
Current Compressor B1
Suction Line Temperature
(Heat Pump)
B2
Condenser Suc
-
tion Temp (Heat
Pump)
AI: 82
Current
Compressor B2
Suction Line Temperature
(Heat Pump)
B1 Superheat
Temperature
AI: 83
Current Compressor B1
Superheat Temperature
APPENDIX C - VCCX2 BACnet
®
VCCX2 BACnet
®
Parameters