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General| Brand | Quest Controls |
|---|---|
| Model | 600 |
| Category | Controller |
| Language | English |
Lists the key features and advantages of the Model 600 controller.
Provides instructions on how to physically mount the Model 600 controller.
Explains the different power sources and how the Model 600 is powered.
Details how to connect sensors, alarms, and other I/O points to the controller.
Defines the purpose and function of various input and output terminals on the controller.
Describes how the Model 600 communicates remotely via Modbus RTU.
Explains the necessity and placement of an EOL resistor for RS485 networks.
Lists recommended wire types for different inputs and outputs.
Refers to diagrams for common installation scenarios involving economizers.
Describes the default operational display, navigation, and how to cycle through sensor readings.
Explains how to activate and deactivate comfort mode for temporary setpoint adjustments.
Describes how to manually switch the lead HVAC unit using the keypad.
Outlines the process of accessing and navigating the programming menus.
Introduces the different configuration menus available on the controller.
Details settings for system-wide parameters like temperature units and sensor selection.
Lists and explains various temperature and humidity setpoints for HVAC control.
Configuration options for economizer control, including Quest and Integrated modes.
Settings for configuring various alarm thresholds and input types.
Allows temporary bypass of HVAC systems for testing and verification.
Explains how to return the system to normal operation after configuration changes.
Differentiates between lead/lag and lead/standby control methods.
Details conditions under which the lead HVAC unit is switched.
Explains how the controller uses sensor data to determine operational temperature.
Describes fan operation modes (continuous, automatic) and delays.
Explains how cooling stages are activated and deactivated based on temperature.
Details how heating stages are activated and deactivated based on temperature.
Discusses economizer control options (Quest, Integrated, None) and dehumidification mode.
Defines the alarm condition and action for high temperature level 2.
Defines the alarm condition and action for high temperature level 1.
Defines the alarm condition and action for low temperature.
Defines the alarm condition and action for high humidity.
Describes the HVAC lockout alarm and its impact on unit operation.
Defines the alarm for loss of HVAC control voltage.
Details the smoke alarm input and its effect on HVAC operation.
Describes the hydrogen gas alarm and its emergency vent mode activation.
Explains the generator running status and its effect on HVAC operation.
Defines the alarm for loss of Modbus communication.
Discusses the Modbus register for controlling temperature and remote writing.
Explains the Modbus register for outside air temperature and its use.
Details the Modbus register for setting operational cooling setpoints.
Explains the Modbus register for setting operational economizer setpoints.
Details the Modbus register for setting operational heating setpoints.
How to remotely enable/disable comfort mode via Modbus.
Remote request to switch the lead HVAC unit via Modbus.
Remotely disabling economizer operation via Modbus.
Forcing HVAC units to an off state remotely via Modbus.
Remotely setting the HVAC control mode or initiating a bypass.
Monitoring alarm status and clearing alarms remotely via Modbus.
Diagnosing and resolving issues with sensor readings (Open/Shorted).
Troubleshooting Modbus communication problems.
Troubleshooting unresponsive keypad buttons.
Resolving issues with a corrupted or unreadable display.
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