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General| Protocols | Modbus RTU |
|---|---|
| Outputs | 1 Analog |
| Operating Temperature Range | -40° to 158°F (-40° to 70°C) |
| Humidity Range | 0% to 95% RH, non-condensing |
| Enclosure Rating | IP66 |
| Relay Output | 240 VAC |
| Supply Voltage | 24 VAC/DC ±10% |
Details the components included in the KE2 Evaporator Efficiency controller kits.
Lists standard truck stock items necessary for controller installation.
Procedures for verifying system operation and inspecting the evaporator coil.
Understanding the importance of TD for system health diagnosis.
Explains the role of frost in evaporator efficiency and KE2 Evap control.
Identify the optimal sensor placement on the evaporator coil for accurate defrost control.
Detailed instructions for locating and positioning coil sensors on larger evaporators.
Discusses various locations for the controller, including evaporator, wall, and entrance.
Guidance on measuring conduit length and cutting wires.
Steps for preparing conduit and connecting power to the controller unit.
Setting the voltage jumper for 120V or 208-240V operation.
Connecting the fan relay using spade connectors.
Connecting the defrost relay using spade connectors.
Wiring the liquid line solenoid/compressor relay.
Wiring the auxiliary relay for additional functions.
Installing the metal cover on the controller after wiring is complete.
Gaining access to the high voltage terminal block on the evaporator.
Connecting the prepared conduit to the evaporator's knockout.
Connecting power wires to the controller at the evaporator.
Connecting evaporator fan wires to the controller.
Connecting evaporator heater wires to the controller.
Connecting defrost termination leads and ensuring safety circuits.
Connecting liquid line solenoid and compressor wires.
Diagram showing the wiring for a new KE2 Evaporator Efficiency controller installation.
Detailed wiring diagram for the controller including a contactor box.
Optional wiring for auxiliary components based on relay method.
Properly installing and labeling temperature sensors for clarity.
Using the bracket to mount the air temperature sensor to the evaporator.
Ensuring correct sensor probe insertion for optimal defrost performance.
Guidelines for extending sensor wires and avoiding interference.
Attaching temperature sensors to the controller's screw terminals.
Securing the controller to the mounting posts using provided screws.
Leaving installation instructions on-site for future service.
Details controller input voltage, ambient temperature, IP rating, and inputs.
Details pressure transducer range, proof pressure, burst pressure, and temp. range.
Details temperature sensor specs, including range and resistance.
Explains how to navigate the controller menus and parameters.
Describes controller indicator lights and button functions for navigation.
Lists available menus: Variables, Alarms, Setpoints, and Manual Control.
Explains the 6-button interface for navigating controller menus.
Guide to configuring essential setpoints like Room Temp and Defrost Type.
Information on accessing and adjusting controller parameters with passwords.
Details parameters for manual control of the system components.
Lists non-adjustable variables for sensor readings and system status.
Describes various alarm conditions and their descriptions.
Defines key setpoints for temperature, defrost, and valve control.
Details setpoints specific to multi-controller systems.
Provides ranges and default values for various controller setpoints.
Lists options for defrost types, valve types, and fan modes.
