Energy-Efficient Commercial Heating and Cooling Equipment
Products:
Control System
All absorption machines come with a Microprocessor unit controller factory mounted and tested. The unit controller ensures safe and efficient capacity control, proper start/stop procedures, and enables communication with other systems
Component Test and Diagnostic Check
Touch Screen Interface for Status Display, Set-point Control, and System Configuration
Primary and Secondary Status Messages
Individual Start/Stop Schedules for Local Mode
Recall of Up to 999 Alarm and Alert Messages with Diagnostic Help
Extensive Diagnostic and Service Capabilities
Advanced Crystallization Protection Safety Cutouts
Solution Pump Motor Overload/High Temperature
Refrigerant Pump Motor Overload/High Temperature
Low Chilled Water Temperature Cutout
Low Refrigerant Temperature Cutout
Low Cooling Temperature Cutout
Low Chilled Water Flow Cutout
Low Cooling Water Flow Cutout (Option)
Generator High Temperature Cutout
Hot Water High Temperature Cutout (Low Temp. Hot Water Driven type only)
High Temperature Generator High Pressure Cutout (Exhaust Gas Driven type only)
High Temperature Generator Low Level Cutout (Exhaust Gas Driven type only
Protective Limits
Strong Solution Leaving High Temperature Generator Alarm
Hot Water High Temperature Alarm (Low Temp. Hot Water Driven type only)
Refrigerant Pump Overload/High Temperature Alarm
Solution Pump Motor Overload/High Temperature Alarm
Low Refrigerant Temperature Alarm
Low Chilled Water Temperature Alarm
Low Cooling Water Temperature Alarm
Low Chilled Water Flow Alarm
Overrides
Hot Water High Temperature (Low Temp. Hot Water Driven type only)
Generator Solution High Temperature
High Concentration
Temperature Sensor Faults
Leaving Chilled Water Temperature
Cooling Water Temperature Entering Absorber
Refrigerant Condensate Temperature from Condenser
Refrigerant Evaporating Temperature
Strong Solution Temperature Leaving Generator
Entering Hot Water Temperature (Low Temp. Hot Water Driven type only)
Exhaust Gas Temperature Cutout (Exhaust Gas Driven type only)
Capacity Control
Indicators
Chiller Operating Status Message
Absorption Cycle State Points
Dilution Cycle
Power-On
Alarm
Safety Shutdown Message
Run Hours
Control Valve Position