Ranco ETC-141000-000 Digital Temperature Electronic Controller User Manual

1. Uvod

The Ranco ETC Series Electronic Temperature Control, model ETC-141000-000, is designed as a full-featured electronic replacement for electro-mechanical temperature controls commonly used in commercial refrigeration applications. This controller offers significant application flexibility due to its wide temperature range, single and two-stage capability, selectable heating/cooling modes, and multi-voltage input (120/208/240V AC).

2. Važne sigurnosne informacije

• Always disconnect power to the unit before installation, servicing, or maintenance to prevent electrical shock.
• Installation should be performed by a qualified technician in accordance with all local and national electrical codes.
• Provjerite je li napajanje voltage matches the controller's specifications (120/208/240V AC).
• Do not operate the controller with damaged wiring or if the enclosure is compromised.
• The sensor is rated IP67 for dust and water protection; however, ensure proper sealing and protection for all electrical connections.

3. Proizvod je gotovview i značajke

The Ranco ETC-141000-000 controller provides precise temperature management with a user-friendly interface and robust design. Key features include:

• Širok temperaturni raspon: Radi na temperaturama od -34.4°C do 104.4°C (od -30°F do 220°F).
• Podesivi diferencijal: Allows setting a differential from 1°F to 30°F (-17°C to -1°C).
• LCD Read-out: Displays sensor temperature, control settings, and relay status with a white backlight.
• visoko Amp Izlazni relej: Samac stage sa 16 Amps @ 120V AC and 8 Amps @ 208/240V AC.
• EEPROM Memory: Retains all control settings during power outages.
• Zaključavanje tipkovnice: Prevents unauthorized alteration of settings.
• Sensor Lead: Includes an 8-foot lead, extendable up to 400 feet using 18 or 22-gauge thermostat wire.
• Easy 4-Step Set-up: Simplifies initial configuration.
• Heavy-Duty Relay: 1 HP rated for demanding applications.
• Selectable Modes: Choose between Fahrenheit or Celsius, and heating or cooling modes.
• Prilog: Available in NEMA 1 case and NEMA 4X models for outdoor use.

Image showing the Ranco ETC-141000-000 Digital Temperature Electronic Controller, its retail packaging, and the included instruction sheet. The packaging displays the UPC 00686608004413 and model number ETC-141000.

The UPC for this product is 00686608004413.

4. Postavljanje i instalacija

4.1. Montaža

Mount the controller in a location that is easily accessible for viewing and adjustments, away from direct heat sources or excessive vibration. Ensure the chosen location is appropriate for the controller's enclosure type (NEMA 1 for indoor use, NEMA 4X for outdoor or wash-down environments). Use appropriate fasteners to secure the unit firmly.

4.2. Ožičenje

All wiring must comply with local and national electrical codes. It is recommended that a qualified electrician perform the installation.

1. Odspojite napajanje: Ensure all power to the circuit is disconnected before beginning any wiring.
2. Ulazna snaga: Connect the appropriate line voltage (120V, 208V, or 240V AC) to the designated power input terminals on the controller.
3. Izlaz opterećenja: Connect the controlled device (e.g., compressor, heater) to the output relay terminals. Observe the maximum current ratings (16 Amps @ 120V AC, 8 Amps @ 208/240V AC).
4. Spajanje senzora: Connect the temperature sensor lead to the sensor input terminals. The 8-foot sensor lead can be extended up to 400 feet using 18 or 22-gauge thermostat wire. Ensure all connections are secure and properly insulated.
5. Uzemljenje: Properly ground the controller according to electrical codes.

Krupni plan view of the Ranco ETC-141000-000 Digital Temperature Electronic Controller, highlighting the digital display, control buttons (SET, Up, Down), and the NEMA 4X outdoor enclosure rating. The temperature sensor is also visible.

5. Upute za rad

The ETC-141000-000 features an intuitive interface for setting and monitoring temperature.

5.1. Početno uključivanje i osnovne postavke

Upon initial power-up, the controller will perform a self-test. Follow the easy 4-step set-up process outlined in the quick start guide (typically included with the product) to configure basic parameters.

5.2. Setting Temperature (Setpoint)

1. Pritisnite tipku SET button once. The current setpoint will flash on the display.
2. Koristite UP or DOLJE tipkama sa strelicama podesite zadanu vrijednost na željenu temperaturu.
3. Pritisnite tipku SET button again to confirm and save the new setpoint, or wait a few seconds for it to automatically save and return to normal operation.

5.3. Selecting Heating/Cooling Mode

The controller can operate in either heating or cooling mode. Refer to the detailed programming instructions in the full manual for specific steps to switch between these modes. This setting determines whether the output relay activates when the temperature rises above or falls below the setpoint.

5.4. Differential Adjustment

The differential (also known as hysteresis) prevents rapid cycling of the controlled device. To adjust the differential (range 1°F to 30°F):

1. Access the advanced programming menu (refer to the full manual for specific button combinations).
2. Navigate to the differential setting parameter.
3. Koristite UP or DOLJE arrow buttons to set the desired differential value.
4. Save the setting and exit the programming menu.

5.5. Zaključavanje tipkovnice

To prevent unauthorized changes to settings, the keypad can be locked. Consult the full instruction manual for the specific procedure to enable and disable the keypad lockout feature.

6. Održavanje

The Ranco ETC-141000-000 is designed for reliable operation with minimal maintenance.

• Čišćenje: Periodically wipe the controller's exterior with a soft, damp tkanina. Nemojte koristiti abrazivna sredstva za čišćenje ili otapala.
• Pregled senzora: Regularly inspect the temperature sensor and its lead for any signs of damage or corrosion. Ensure the sensor is properly positioned for accurate temperature readings. The sensor is IP67 rated, but physical damage can compromise its integrity.
• Provjere veze: Annually, or as needed, verify that all electrical connections are tight and free from corrosion.

7. Rješavanje problema

If you encounter issues with your Ranco ETC-141000-000 controller, refer to the following common troubleshooting steps:

• Nema napajanja/isključen zaslon: Check the power supply to the controller. Ensure circuit breakers are not tripped and wiring connections are secure.
• Netočno očitanje temperature: Verify the sensor is properly connected and positioned. Check for any physical damage to the sensor or its lead.
• Output Not Activating: Confirm the setpoint and differential settings are correct for the desired operation (heating/cooling). Check the relay status on the LCD. Ensure the load device is functioning correctly.
• Tipkovnica ne reagira: Check if the keypad lockout feature is enabled. Refer to the operating instructions to disable it if necessary.
• Nepravilno ponašanje: Disconnect power for a few minutes and then reapply to reset the unit. If issues persist, contact Ranco technical support.

8. Tehničke specifikacije

9. Jamstvo i podrška

For warranty information, technical support, or service inquiries regarding your Ranco ETC-141000-000 Digital Temperature Electronic Controller, please contact Ranco customer service or visit their official webweb-mjesto. Prilikom kontaktiranja podrške držite pri ruci račun za kupnju i broj modela.