AAON VCCX2 User Manual

73VCCX2 Controller Technical Guide
APPENDIX C: BACNET GUIDE
Analog Inputs
VCCX2 ANALOG INPUTS
Parameter Object Description Limits
Preheater Leaving Air Temp
#1
AI: 36 Current Preheater Leaving Air Temperature #1
Preheater Leaving Air Temp
#2
AI: 37 Current Preheater Leaving Air Temperature #2
Preheater Entering Air Temp AI: 38 Current Entering Air Temp for Preheater
Preheater Setpoint Reset
Voltage
AI: 39 Current Voltage Reset Input Value for Preheater
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 A2Suction 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)
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
Objects labeled AI are read-only.

AAON VCCX2 Specifications

General

Brand	AAON
Model	VCCX2
Category	Controller
Language	English