What Are You Looking For?
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Enclosure class |
IPX4D (EN 60529) |
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Insulation class |
H |
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Supply voltage |
1 × 230 V ± 10 % 50 Hz, PE |
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Digital input |
PWM 0–10 V |
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Analog input |
4–20 mA. 0–10 W direct current |
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Connection bus input |
Modbus RTU |
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Leakage current |
Leakage < 3.5 mА. Leakage current is measured in accordance with EN 60335-1 |
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EMC |
Standards applied: EN61000-3-2, EN61000-6-3, EN61800-3-3, EN55014-1 and EN55014-2 |
Item NO.:
Mega S 50-18FMEGA S circulator pumps are highly effective both in new systems and as a replacement to the ones being in use. The pump is ideal for systems with an automatic pressure adjustment. These pump series allow avoiding the use of expensive bypass valves and similar components.
• Heating systems:
– main pump,
– secondary circuit lines,
– heating surfaces.
• Cooling and air conditioning systems;
• Ground source heat systems;
• Solar energy systems.
Product photo and 4 control modes
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No. |
Description |
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1 |
Light indicators of a pump operating mode |
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2 |
Control mode switch |
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3 |
Speed switch |
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4 |
Speed light indicator |
Characteristics：
1.The Mega automatic circulator pump provided with self-adaptive mode AUTO (Initial setting), No needs adjustment. It can be readily started and automatically to meet the actual needs of the system.
2.Has 0-10V and temperature control function. Realize the control of the motor speed, to meet the different flow requirements of the system.
3.The flange circulator pump comes with over-voltage and over-current protection to prevent the risk of burning during use.
4.The junction box is on the top of the motor, which adopts button-type gear adjustment, and the panel displays the current operating mode and flow.
5.The power interface and signal interface adopt lead wire or without wire, and the user can wire it by himself.
6.The machine base is provided with a condensate drain tank
Installation and Safety Instructions:
1. Liquid may be high temperature & pressure liquid. Before moving and disassembling the pump, it must be drained or the shut-off valves on both sides must be closed to avoid burns;
2. In winter, If it is not running or the ambient temperature is below 0°C, the liquid should be drained to avoid freezing and cracking;
3. If pump is not used, Pls close the water pipe valve and cut off the power supply. Pls contact your local dealer or service center immediately if the motor is hot or abnormal;
4. Be placed in a place out of reach of children. After installation, isolation measures are for protection;
5. Installation direction is pump outlet vertically upward, And pump shaft is placed horizontally;
6. Pump needs to be installed to prevent rain, water, exposure, etc.;
7. Pump cannot directly collide with hard objects;
8. Pls do not directly apply force to avoid wire breakage if not special anti-pull structure design;
9. Forbidden to run without water to prevent wear and consumption, or even burn-in;
10. Don’t cause shaft blockage by residual water (after shipment inspection) or water icing during transportation will not cause the pump body to crack.
AUTO
We recommend an AUTO control mode for most heating systems, in particular, the ones with relatively significant pressure losses in distribution pipes as well as in case of replacement where the duty point is unknown for the proportional pressure mode.
This control mode is designed specially for heating systems. Application in air conditioning and cooling systems is not recommended.
Features and main advantages
• The pump makes automatic adjustment according to an actual system characteristic.
• Provides minimum energy consumption and low noise.
• Decreases operation expenses and increases comfort.
Proportional pressure
Proportional pressure adjustment suits the systems with relatively large pressure losses in distribution pipes and air conditioning and cooling systems:
• Two-pipe heating systems with thermostatic valves and:
– with very long distribution pipes;
– with strongly throttled pipe balancing valves;
– with differential-pressure regulators;
– with large pressure losses in those parts of the system through which the total quantity of water flows (for example, boiler, heat exchanger and distribution pipe up to the first branching).
When the valve is closed, the head is equal to a half of a set value Hset.
Constant pressure
Constant pressure adjustment suits the systems with relatively small pressure losses in distribution pipes:
• Two-pipe heating systems with thermostatic valves:
– in natural circulation systems;
– with small pressure losses in those parts of the system through which the total quantity of water flows (for example, boiler, heat exchanger and distribution pipe up to the first branching);
– redesigned to a more significant temperature difference between flow pipe and return pipe (for example, for central heating).
• Underfloor heating systems with thermostatic valves.
• One-pipe heating systems with thermostatic or balancing valves.
• Primary circuit pumps in systems with small pressure losses in the primary circuit.
Features and main advantages
• The pump maintains constant flow that does not depend on flow in the system.
Installation Drawing
Parameter:
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Voltage：AC 230V |
Rated Current:3.3A |
Frequency：50/60Hz |
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Max Flow：31 m3/h |
Max Head：18 m |
Max Power：750 W |
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Rated Flow：20 m3/h |
Rated Head：7.6 m |
Pressure：1.0MPa |
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Rotation: clockwise impeller |
Insulation：H |
Temperature：TF110 |
Easy installation and operation
Equipped with Self Adapting Mode(Auto Mode, Factory Setting), pump runs once the power is connected and adapts its performance according to actual system needs.
Control is effected by digital pulse-width modulation (PWM) low-voltage signal, enabling pump to be used to meet different flow requirement in various systems.
Low noise and high comfort
Noise index: ≤42dB(A)
Low energy consumption
A class energy efficiency, Power consumption lowest to 6W
Multiple protection
With over-voltage and over-current protection
Eco-Design Benchmark
EEI≤0.23-Part 2
Quick release power plug
Start-up and stop the pump quickly.
Pumped liquids
The pump is designed for pure, non-viscous and non-explosive liquids without solids or fibers that can have a mechanical or chemical impact on the pump.
Water used in heating systems should meet the quality requirements of system water for heating.
MEGA S pumps can be used to pump glycol and water solutions at the level of up to 50 %. Ethylene glycol WS example: maximum viscosity = 10–50 cSt ~ solution of water 50 % / glycol 50 % at -10 °C.
Pumping glycol mixtures decreases the maximum curve and performance of the pump that depends on the concentration of water/glycol in the mixture and liquid temperature.
In order to avoid the change in the parameters of glycol solution, you should monitor liquid temperatures that exceed the operation ones and reduce operation time at high temperatures.
Before adding glycol solution in the system, cleaning and purging is required.
In order to avoid corrosion or lime deposits, you should regularly monitor the state of glycol solution.
If additional dilution of glycol is required, it is necessary to follow the instructions in the manual sent by the supplier of glycol.
Installation Drawing
Tags :
Model Master SD 25-8 130/ Master SD 25-8 180 Maximum flow (m³/h) 3.6 Maximum head (m) 8 EEI EEI≤0.21-Part2 Rated voltage 220-240V AC Rated current 0.55 A Frequency 50/60Hz Maximum power 70 W Design pressure 1.0MPa Noise ≤42dB(A) IP class IP44 Insulation class H
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
NO.1 Yanglin Road, Hi-tech Development Zone, 230088 Hefei, Anhui, P.R. China
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