The ViPOOL MCB series is a range of swimming pool pumps designed for filtering pool water. These pumps are intended for use in a closed swimming pool filtration circuit with clean water at a temperature not exceeding 35°C. The user and installer must familiarize themselves with the information provided in the manual before installation and commissioning.
Technical Specifications
The MCB series offers various models with different flow rates and power specifications, catering to a range of pool sizes and requirements. The pumps are available in both single-phase (230V) and three-phase (230V/400V) configurations.
Flow Rate and Head (m3/h at various heights):
- MCB 4M: 2A, 230V. Flow rates: 10 m3/h at 3m, 7 m3/h at 6m, 4 m3/h at 8m.
- MCB 5M: 2.7A, 230V. Flow rates: 13 m3/h at 3m, 10.5 m3/h at 6m, 8.5 m3/h at 8m, 5 m3/h at 10m, 3.5 m3/h at 12m.
- MCB 5T: 2/1.2A, 230V/400V. (Flow rates same as MCB 5M)
- MCB 6M: 2.9A, 230V. Flow rates: 13.5 m3/h at 3m, 11 m3/h at 6m, 9 m3/h at 8m, 6 m3/h at 10m, 3 m3/h at 12m, 1 m3/h at 14m.
- MCB 6T: 2/1.2A, 230V/400V. (Flow rates same as MCB 6M)
- MCB 11M: 3.8A, 230V. Flow rates: 17 m3/h at 3m, 15 m3/h at 6m, 13.4 m3/h at 8m, 11 m3/h at 10m, 8 m3/h at 12m, 4.5 m3/h at 14m.
- MCB 11T: 2.5/1.5A, 230V/400V. (Flow rates same as MCB 11M)
- MCB 13M: 4.4A, 230V. Flow rates: 19.5 m3/h at 3m, 17 m3/h at 6m, 15 m3/h at 8m, 13 m3/h at 10m, 10.5 m3/h at 12m, 7 m3/h at 14m, 3 m3/h at 16m.
- MCB 13T: 2.7/1.6A, 230V/400V. (Flow rates same as MCB 13M)
- MCB 14.5M: 4.6A, 230V. Flow rates: 20.5 m3/h at 3m, 18.5 m3/h at 6m, 16.5 m3/h at 8m, 14.5 m3/h at 10m, 12 m3/h at 12m, 9 m3/h at 14m, 4 m3/h at 16m, 2 m3/h at 18m.
- MCB 14.5T: 3.5/2A, 230V/400V. (Flow rates same as MCB 14.5M)
Minimum Operating Pressures:
It is crucial to verify the operating pressures during commissioning to prevent premature wear of the pump assembly. The delivery valve should be progressively closed to achieve the minimum pressure corresponding to the model.
- MCB 5/6: 2 mCE (meters of water column), 0.2 Bar, 200 g.
- MCB 11: 2 mCE, 0.2 Bar, 200 g.
- MCB 13/14.5: 2.5 mCE, 0.25 Bar, 250 g.
Components (Exploded View):
The pump consists of various parts, including a transparent cover (2), filter (4), pump body (9), impeller (13), mechanical seal (14), motor (33), and fan cover (22). Key components for maintenance include the prefilter basket, mechanical seal, and various O-rings and seals.
Usage Features
Installation:
- Location: The pump should be installed horizontally and firmly secured. Optimal performance is achieved when the pump is positioned below the swimming pool's water level. If installed above water level, the height must not exceed 1.5m, and the suction pipe should be as short as possible to avoid significant suction times and pressure losses.
- Ventilation: For proper air circulation and effective cooling, the fan grid must be located more than 30cm from a wall.
- Hydraulic Connections: Connect the pump to the pool's hydraulic circuit using the provided couplings and O-rings. Pipes must be glued to the couplings. The delivery pipe should be fitted at a right angle and perfectly centered to avoid external stresses. A vertical pipe length of approximately 60cm is recommended to facilitate priming. A slight tilt (2%) of the suction pipes helps prevent air pockets.
Electrical Connections:
- Voltage and Frequency: Verify that the electricity supply voltage and frequency match the values specified on the pump data plate.
- Differential Guard: The electrical system must include a differential guard with a value of no more than 30mA.
- Wiring: Ensure electrical terminals are tightened properly and the earthing connection is correct.
- Thermal Relay: Adjust the thermal relay in the electrical cabinet to match the pump motor intensity for effective protection.
- Three-phase Motors: For three-phase motors, verify that the motor rotates clockwise (looking at the fan).
Commissioning and Priming:
- Cut off the electricity supply to the pump.
- Imperatively fill the prefilter with water.
- Screw the cover back on, ensuring the seal is not clamped or worn.
- Switch the electricity back on.
- Start the pump.
- Immediately open the suction valve and slowly open the delivery valve.
The pump should prime within a few minutes; if not, repeat the operation.
Operation:
- The pump should operate without excessive noise or vibrations.
- Regularly check for leaks.
- Always stop the pump before manipulating the filter valve.
- The pump is equipped with a flexible filter bag (P.F.S.) in the prefilter basket to trap fine impurities (gravel, sand, pine needles). This P.F.S. is essential during initial startup, when sand or pine needles are present in the pool, or when using a manual broom. It is recommended to leave the P.F.S. in place permanently and clean it regularly (at least once a week). Failure to use the P.F.S. and subsequent turbine blockage by larger impurities may void the warranty. Additional P.F.S. bags are available from suppliers.
Maintenance Features
Intervention:
- Safety First: All repair and maintenance work must be carried out by specially trained personnel due to the risk of injury.
- Before Intervention: Cut off the electricity supply, ensure the switch is "off," and wait for the motor to come to a complete stop.
- Mechanical Seal: The mechanical seal is a vital component and should be replaced with utmost care, preferably by a specialist.
- Disassembly/Re-assembly: Take precautions to avoid trapping hands or feet. Clean and check all parts before reassembling. Replace all worn or damaged parts. Ensure seals are clean and correctly positioned; only new seals should be used.
- Spare Parts: When ordering spare parts, specify the pump type, serial number, part position number (from the exploded view), and part name.
Wintering:
- The pump must be emptied through the drain plug to prevent freezing.
Recommissioning After Winter:
- Cut off the electricity supply.
- Insert a flat-headed screwdriver into the slot in the center of the fan cover.
- Rotate the motor shaft manually.
- Remove the screwdriver.
- Start the pump (refer to the "Commissioning, Priming" section).
Troubleshooting
Pump Doesn't Prime:
- Probable Causes: Air leak along the suction pipe, incorrectly fastened cover, incorrect motor revolution direction (three-phase motor).
- Solutions: Check condition of couplings and seals along suction pipe, clean cover and check seal, invert 2 phases on electricity supply.
Weak Pump Output:
- Probable Causes: Clogged prefilter, air leak along the suction pipe, incorrect motor revolution direction (three-phase motor), pressure loss in the suction.
- Solutions: Clean prefilter, check condition of couplings and seals along suction pipe, invert 2 phases on electricity supply, avoid long pipes, numerous elbows, positioning pump higher than water level, or narrow pipes.
Motor Stops:
- Probable Causes: Incorrect voltage, motor overheat.
- Solutions: Ensure supply voltage matches motor data plate, ensure fan grid is free of obstacles (at least 30cm clearance from wall), increase pump operating pressure by slightly closing delivery valve.
Noise/Vibration:
- Probable Causes: Cavitation, foreign body (sand, etc.).
- Solutions: Refer to paragraph 5 (Minimum Operating Pressures), dismount, clean, reassemble.
The ViPOOL MCB series pumps are designed for reliable and efficient pool filtration, with clear guidelines for installation, operation, and maintenance to ensure longevity and optimal performance.
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