The Eckerle Condensate Pumps (EE400, EE150, EE300) are designed for the automatic removal of condensate from air conditioning units, refrigeration systems, and condensing boilers. These pumps are essential for preventing water damage and maintaining the efficiency of these systems by ensuring that condensate is effectively discharged. The pumps are suitable for continuous operation and are built with robust materials to withstand demanding environments.
Function Description
The Eckerle condensate pumps operate by detecting the presence of condensate in their reservoir. Once the water level reaches a predetermined threshold, the pump automatically activates, drawing the condensate and discharging it through a connected hose to a suitable drain. This automatic operation ensures that the condensate does not accumulate and overflow, protecting the equipment and surrounding areas from potential water damage. The pumps are equipped with safety features such as an overflow alarm circuit (for EE400 and EE300) and a non-return valve to prevent backflow of liquid into the unit. The EE400 and EE300 models also include an alarm contact for external signaling in case of an overflow.
Important Technical Specifications
General Specifications (applicable to all models unless specified):
- Power Supply: 230V, 50/60Hz (EE400, EE300); 230V, 50/60Hz, 48W (EE150)
- Protection Class: IP20 (EE150); IP55 (EE400, EE300)
- Alarm Contact: Max. 3A (NO/NC) for EE400 and EE300; EE150 does not have an alarm contact.
- Weight: Approximately 1600 g (EE400, EE300); Approximately 850 g (EE150)
- Reservoir Capacity: Approximately 0.8 liters (EE150); Approximately 0.1 liters (EE400, EE300)
- Dimensions (L x W x H):
- EE400: 185 x 85 x 100 mm
- EE150: 165 x 85 x 65 mm
- EE300: 100 x 110 x 145 mm
- Discharge Hose Diameter: 8 x 2 mm (all models)
- Max. Delivery Head:
- EE400: 10m (approx. 400W) @ 2.5m head
- EE150: 10m (approx. 30KW) @ 0.8m head
- EE300: 10m (approx. 100W) @ 2.5m head
- Duty Cycle: S3 intermittent duty, 6 on - 20 off (EE400, EE300); S3 intermittent duty, 1 on - 5 off (EE150)
- Max. Condensate Temperature: 70°C (all models)
Theoretical Flow Rate (l/h) and Head (m):
EE400:
- Max. 350 l/h at 0m head
- Max. 280 l/h at 1m head
- Max. 220 l/h at 2m head
- Max. 100 l/h at 3m head
- 0 l/h at 4m head
EE150:
- Max. 120 l/h at 0m head
- Max. 80 l/h at 1m head
- 0 l/h at 1.5m head
EE300:
- Max. 200 l/h at 0m head
- Max. 150 l/h at 1m head
- Max. 100 l/h at 2m head
- Max. 50 l/h at 3m head
- 0 l/h at 4m head
Usage Features
Installation:
- Unpacking and Inspection: Carefully unpack the pump and inspect for any damage that may have occurred during transport. Ensure all required parts are included.
- Mounting: The pump should be installed in a location that allows for easy access for maintenance and inspection. For EE400, the pump unit can be mounted separately from the reservoir. The EE150 and EE300 models are compact units where the pump and reservoir are integrated.
- Condensate Inlet: Connect the condensate drain from the air conditioning unit or condensing boiler to the pump's inlet. Ensure a downward slope to facilitate gravity flow.
- Discharge Line: Connect the discharge hose to the pump's outlet and route it to a suitable drain. Ensure the hose is free of kinks and has a continuous downward slope to prevent backflow. For high delivery heads, a flexible PVC hose of 8x2 mm is recommended.
- Electrical Connection: Connect the pump to a suitable power supply according to local electrical regulations. For EE400 and EE300, connect the alarm contact to an external signaling device if desired.
Operation:
- The pump automatically activates when condensate fills the reservoir to a certain level and deactivates once the reservoir is emptied.
- For EE400 and EE300, the overflow alarm circuit will trigger if the water level rises above the normal operating level, signaling a potential issue.
- The non-return valve prevents discharged condensate from flowing back into the pump or the air conditioning unit.
Maintenance Features
Regular Maintenance:
- Cleaning the Reservoir: Regularly inspect and clean the pump reservoir to prevent the buildup of sludge, algae, and other debris that can impede pump operation. For EE400 and EE300, the reservoir cover can be easily removed for cleaning. For EE150, the entire unit may need to be removed for thorough cleaning.
- Checking the Non-Return Valve: Periodically check the non-return valve for proper function and cleanliness. A clogged or faulty valve can lead to backflow.
- Inspecting Hoses: Examine the inlet and discharge hoses for kinks, blockages, or damage. Ensure they are securely connected.
- Testing the Pump: Periodically test the pump's function by manually filling the reservoir with water to ensure it activates and discharges properly. For EE400 and EE300, also test the overflow alarm circuit.
Troubleshooting:
- Pump Does Not Run: Check power supply, ensure the float mechanism moves freely, and inspect for blockages in the inlet or discharge lines.
- Pump Runs but No Liquid Output: Check for blockages in the discharge line, ensure the non-return valve is not obstructed, and verify the pump head is within specifications.
- Pump Runs Continuously: This may indicate a leak in the system, a faulty float switch, or a clogged discharge line.
- Overflow Alarm (EE400/EE300) Triggers: Investigate the cause of the overflow, which could be a blocked discharge line, a malfunctioning pump, or excessive condensate production.
- Loud Noise from Pump: Check for debris in the pump, ensure proper mounting, and inspect for worn components.
Important Notes:
- Always disconnect the pump from the power supply before performing any maintenance or inspection tasks to prevent electrical shock.
- Use only mild cleaning agents and avoid abrasive materials that could damage the pump components.
- In case of persistent issues or complex repairs, consult a qualified technician or contact Eckerle customer support.
- The EE400 and EE300 models are designed to handle slightly acidic condensate from condensing boilers (pH ≥ 3, max. 70°C). However, regular cleaning is still recommended to prevent buildup.
- The EE150 is primarily designed for air conditioning and refrigeration systems.
By following these guidelines, users can ensure the reliable and efficient operation of their Eckerle condensate pumps, extending the lifespan of their air conditioning, refrigeration, or condensing boiler systems.
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