Orion System VCC-X Controller - Manual (Page 70)

Zone
Zone
SEQUENCE OF OPERATIONS
VCC-X Controller Technical Guide 70
Trend Logging
Refrigeration Module #1 Trend Logs
The following are the fi xed items that can be logged for Refrigeration
Module #1:
Compressor A1 Status
Compressor A2 Status
Compressor A1 Modulating Signal
Condenser Status
Expansion Valve A1 Position
Expansion Valve A2 Position
Head Pressure
Suction Pressure
Coil (Suction Line) Temperature for A1
Coil (Suction Line) Temperature for A2
Superheat for A1
Superheat for A2
Leaving Water Temperature (Not Used! For Future Use!)
Head Pressure Setpoint for Fan (Not Used! For Future
Use!)
Head Pressure Setpoint for Valve (Not Used! For Future
Use!)
SuperHeat Setpoint
Relay #1 Status - Compressor A1 Enable
Relay #2 Status - Compressor A2 Enable
Relay #3 Status - Condenser Enable
Refrigeration Module #2 Trend Logs
The following are the fi xed items that can be logged for Refrigeration
Module #2:
Compressor B1 Status
Compressor B2 Status
Compressor B1 Modulating Signal
Condenser Status
Expansion Valve B1 Position
Expansion Valve B2 Position
Head Pressure
Suction Pressure
Coil (Suction Line) Temperature for B1
Coil (Suction Line) Temperature for B2
Superheat for B1
Superheat for B2
Leaving Water Temperature (Not Used! For Future Use!)
Head Pressure Setpoint for Fan (Not Used! For Future
Use!)
Head Pressure Setpoint for Valve (Not Used! For Future
Use!)
SuperHeat Setpoint
Relay #1 Status - Compressor B1 Enable
Relay #2 Status - Compressor B2 Enable
Relay #3 Status - Condenser Enable
Refrigeration Module #3 Trend Logs
The following are the fi xed items that can be logged for Refrigeration
Module #3:
Compressor C1 Status
Compressor C2 Status
Compressor C1 Modulating Signal
Condenser Status
Expansion Valve C1 Position
Expansion Valve C2 Position
Head Pressure
Suction Pressure
Coil (Suction Line) Temperature for C1
Coil (Suction Line) Temperature for C2
Superheat for C1
Superheat for C2
Leaving Water Temperature (Not Used! For Future Use!)
Head Pressure Setpoint for Fan (Not Used! For Future
Use!)
Head Pressure Setpoint for Valve (Not Used! For Future
Use!)
SuperHeat Setpoint
Relay #1 Status - Compressor C1 Enable
Relay #2 Status - Compressor C2 Enable
Relay #3 Status - Condenser Enable
Refrigeration Module #4 Trend Logs
The following are the fi xed items that can be logged for Refrigeration
Module #4:
Compressor D1 Status
Compressor D2 Status
Compressor D1 Modulating Signal
Condenser Status
Expansion Valve D1 Position
Expansion Valve D2 Position
Head Pressure
Suction Pressure
Coil (Suction Line) Temperature for D1
Coil (Suction Line) Temperature for D2
Superheat for D1
Superheat for D2
Leaving Water Temperature (Not Used! For Future Use!)
Head Pressure Setpoint for Fan (Not Used! For Future
Use!)
Head Pressure Setpoint for Valve (Not Used! For Future
Use!)
SuperHeat Setpoint
Relay #1 Status - Compressor D1 Enable
Relay #2 Status - Compressor D2 Enable
Relay #3 Status - Condenser Enable