Evco EV3L21 Touch Digital Refrigeration Thermostat

Product Features

• Dimensions: 75 x 33 x 39.5 mm
• Ability to run a 3/4 hp compressor at 220 Volts (16A / 250 V relay output)
• Defrost management by stopping the compressor
• 2.5-digit display, height: 29 mm
• 16A (at start-up) compressor relay
• "Plug-and-play" design for easy installation
• Door switch input

Applications

The EV3L21 is a touchscreen digital thermostat designed for refrigerators, counter-type cabinets, display cases, cold rooms and wine coolers.

Key Features

• Ability to defrost at regular intervals and for set durations
• Display of the temperature of the controlled system on the screen
• Option to start manual defrost with the defrost key
• Prevention of overloads caused by excessive operation in a short time
• Attention-grabbing alarm system with warning flash indicators (no audible alarm)

Operating Instructions

Unlocking the Keypad

When any button is pressed for longer than 2 seconds, "UnL" appears on the display and you can use the keys. For safety reasons, the device automatically locks the keypad if the keys are not pressed for 30 seconds.

Viewing and Changing the Setpoint

Set key: press it quickly once. The setpoint will be shown on the display and the LED will flash. To change the value, bring it to the required value using the up or down arrow keys within 20 seconds.

Starting Manual Defrost

Defrost key: press and hold it for 3 seconds. The defrost cycle will start immediately and the LED will light up. With the factory setting, this defrost will last 30 minutes.

Alarms and Warnings

• AL: Low temperature alarm (check the room temperature and parameter A1)
• AH: High temperature alarm (check the room temperature and parameter A4)
• P1: Cabinet sensor error (make sure the sensor is connected properly)
• Id: Door switch alarm (check parameters i0 and i1)

Installation and Maintenance Instructions

1. Protect the device from water, humidity and excessive dust. Keep it away from contaminants such as oil and clean it with a dry cloth.
2. There are no parts inside the device that the user can repair or replace. In case of any problem, contact the importer.
3. The product offers a 2-year one-to-one replacement warranty for problems other than specified user errors.
4. Make sure the device label remains intact. Devices with a torn label or an opened housing are not covered by the warranty.
5. Observe the amp ratings of the device relays and use a contactor where excessive amperage is required.
6. The operating voltage tolerance of the device is +10% -12%. Excessive voltages can damage the device.