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Help CenterAutomatic Water Pump Control for Water Pumps JH-3E
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Pressure Control JH-3E
Description:
| Rated Voltage: | 110V−240V |
| Frequency: | 50/60Hz |
| Max. Current: | 10A;20A |
| Max. Power: | 1.1KW; 1.5KW |
| Starting Pressure: | 1.2bar; 1.5bar; 2.2bar |
| Max. Pressure: | 10bar |
| Joint Screw: | R1" |
| Protection Grade: | IP65 |
| Max. Operating Temperature: | 60 |
| Cable Specifications: | 7.5-9mm |
Function:
1. Automatic pressure switch used for drinking water or non-potable water
piping systems.
2. Replace the traditional system which assembled with pressure switch,
pressure tank and check valves.
3. It starts the pump automatically when pressure decrease (tap opening) and
stops it when there is no flow (tap closing).
4. Stop the pump automatically when water shortage.
Optional:
| Color: | red; yellow; blue; black |
| Starting pressure: | 1.5bar; 2.2bar |
| Max. Power: | 1.1KW; 1.5KW |
| Cable Specifications: | 7.5-9mm |
| type: | standard ; output socket |
Problems |
Possible causes |
Solution |
pump does not stop |
1. Water leakage higher than 1.2l/min at some point. 2. Manual start switch (RESET) is blocked. 3. Breakdown on the electronic board. 4. Incorrect electric connection on electronic board.
|
1. check the system, the tap, etc 2. Press it for several times. Consult your dealer if the problem persists. 3. proceed to its substitution 4. check the connection (line and motor) |
pump does not start |
1. Not enough water supplies, the security system have been activated and LED (Failure) is on. 2. Pump is blocked: LED (Failure) is on and the security system is activated. When we act on the manual start switch (Reset) the LED (ON) is activated but the pump doesn't work. 3. Failure in the electronic circuit 4. No electrical supply 5. Not enough pump pressure 6. air in the pump aspiration |
1. Check the water supply and restart the pump through the reset switch (Reset). 2. Consult your dealer. 3. Switch off power supply, wait a few seconds and turn it on again. If the pump doesn't start immediately then replace the circuit. 4. Check the proper electric feeding. The tension LED (POWER) should be on. 5. The security system has been activated and the corresponding LED (Failure) is on. Check that the pump pressure is 0.8bar higher than the starting pressure of the controller. 6. The pressure gauge will indicate a pressure lower than the nominal or constant oscillations. The security system will act by stopping the pump and the LED (Failure) will be on. |
the pump starts and stops repeatedly |
Small leakage in some point of the installation |
Verify possible tap of tank leakages and repair them. |
Wenling Carven Electric Co., Ltd is a professional manufacturer of automatic pressure controls. The factory is located in Wenling, Zhejiang province, with convenient transportation and favorable environment. We are devoting ourselves to development, production and sales for the professional pressure controls. There are rich production experience and development capabilities for our factory. Based on the preferential price and high quality, our products have received the high praise from the general customers. We have “quality-oriented, customer supreme, credibility first” for the purpose, sticking to the principle of mutual and win-win cooperation set each other. We are looking forward to establishing business relationship with customers all over the world. Welcome to inquire and discuss cooperation.
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