1. හැඳින්වීම
The Eliwell EWPlus 974 is a versatile digital thermostat controller designed for refrigeration applications. It offers precise temperature management, intuitive operation, and robust performance, making it suitable for various chilled environments. This manual provides essential information for the proper installation, operation, and maintenance of your EWPlus 974 controller.
2 ප්රධාන ලක්ෂණ
- Direct management of loads up to 2 HP and power of 230 VA.
- Simple and intuitive menus for rapid learning and ease of use.
- LCD display with large figures and colorful icons for clear operational status.
- Flexible and high-performance control for chilled plug-in units.
- Supports sconnettibili/Faston connectors/screw terminals for flexible cabling.
- USB unicard compatibility for custom configurations.
- Suitable for applications involving hydrocarbons.
3. පැකේජ අන්තර්ගතය
Please verify that all items are present and undamaged upon unpacking.
- 1 x Eliwell EWPlus 974 Digital Thermostat Controller
- Cables (as supplied)
4. ස්ථාපනය සහ සැකසුම
Proper installation is crucial for the safe and efficient operation of the EWPlus 974 controller. It is recommended that installation be performed by a qualified technician.
ඉදිරිපස view of the Eliwell EWPlus 974 digital thermostat controller, showing the display with a temperature reading and control buttons.
4.1 සවි කිරීම
The controller is designed for panel mounting. Ensure adequate ventilation around the unit to prevent overheating. Refer to the physical dimensions in the specifications section for cutout requirements.
4.2 රැහැන්
The EWPlus 974 operates on 220V. Connect the power supply and sensor/load cables according to the wiring diagram provided with the product packaging. Utilize the sconnettibili/Faston connectors or screw terminals for secure and reliable connections. Ensure all connections are tight and correctly insulated to prevent electrical hazards.
- බල සැපයුම: Connect to a stable 220V AC source.
- සංවේදක යෙදවුම්: Connect temperature probes to the designated terminals.
- රිලේ ප්රතිදාන: Connect to the refrigeration compressor, fans, defrost heaters, or other controlled devices. The controller features 2 configurable relay outputs.
5. මෙහෙයුම් උපදෙස්
The EWPlus 974 features an intuitive interface with an LCD display and control buttons for easy parameter setting and monitoring.
5.1 මූලික මෙහෙයුම
- බලය සක්රිය / අක්රිය: Use the power button (usually marked with a circle and vertical line) to turn the unit on or off.
- සංදර්ශකය: The LCD shows the current temperature and operational status using large figures and clear icons.
- සංචාලන බොත්තම්: Use the arrow buttons (up/down) to navigate through menus and adjust values.
- SET බොත්තම: Press the SET button to enter parameter setting mode or confirm a selection.
5.2 පරාමිති සැකසුම්
To access and modify parameters (e.g., setpoint temperature, defrost cycles, fan control), typically press and hold the SET button for a few seconds until the display changes. Navigate through the parameters using the arrow keys and adjust values as needed. Refer to the detailed programming manual (if supplied separately) for a complete list of parameters and their functions.
6. නඩත්තු කිරීම
Regular maintenance ensures the longevity and optimal performance of your controller.
- පිරිසිදු කිරීම: සංදර්ශකය මෘදු ලෙස පිස දමා සීasinමෘදු වියළි රෙද්දකින් g. උල්ෙල්ඛ පිරිසිදු කරන්නන් හෝ ද්රාවක භාවිතා නොකරන්න.
- පරීක්ෂාව: සියලුම රැහැන් සම්බන්ධතා තද බව සහ ගෙවී යාමේ හෝ හානිවීමේ සලකුණු සඳහා වරින් වර පරීක්ෂා කරන්න.
- වාතාශ්රය: Ensure that the ventilation openings are clear of dust and debris to maintain proper airflow.
7. දෝශ නිරාකරණය
This section addresses common issues you might encounter. For more complex problems, contact technical support.
| ගැටලුව | විය හැකි හේතුව | විසඳුම |
|---|---|---|
| පාලකය ක්රියාත්මක නොවේ | No power supply; Loose wiring | Check power source; Verify all power connections are secure. |
| වැරදි උෂ්ණත්ව කියවීම | Faulty sensor; Sensor not connected properly | Check sensor wiring; Replace sensor if necessary. |
| Load (e.g., compressor) not activating | Setpoint issue; Relay fault; Wiring error | Verify setpoint and differential settings; Check load wiring; Consult a technician if relay is suspected. |
8. තාක්ෂණික පිරිවිතර
| පිරිවිතර | විස්තර |
|---|---|
| ආකෘතිය | EWPlus 974 |
| නිෂ්පාදකයා | එලිවෙල් |
| වෙළුමtage | වෝල්ට් 220 |
| වට්tage | වොට් 1492 යි |
| අයිතමයේ බර | 220 ග්රෑම් |
| පැකේජ මානයන් | 13.1 x 9.5 x 4.9 සෙ.මී |
| ද්රව්ය | ලෝහ |
| වර්ණය | කළු |
| සංදර්ශක විලාසය | චිත්රක LCD |
| සම්බන්ධතා තාක්ෂණය | USB |
| බලශක්ති ප්රභවය | රැහැන්ගත විදුලි |
| විශේෂිත භාවිතයන් | ශීතකරණ පාලකය |
9. වගකීම් සහ සහාය
The Eliwell EWPlus 974 controller is manufactured to high-quality standards. For information regarding warranty coverage, terms, and conditions, please refer to the documentation provided at the time of purchase or contact your supplier. For technical assistance, troubleshooting beyond this manual, or spare parts, please reach out to the authorized Eliwell service center or your product distributor.
