ARNU07GSJR4 - Water pump LG - Free user manual and instructions
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| Product Type | Water Pump |
| Brand | LG |
| Model | ARNU07GSJR4 |
| Pump Type | Centrifugal pump |
| Supply Voltage | 220-240 V AC, 50 Hz |
| Power Consumption | 80 W |
| Maximum Flow Rate | 2500 L/h |
| Maximum Head | 8 m |
| Inlet/Outlet Diameter | 25 mm |
| Enclosure Protection | IPX4 |
| Noise Level | 40 dB(A) |
| Dimensions (W x H x D) | 190 x 240 x 140 mm |
| Net Weight | 3.2 kg |
| Body Material | Reinforced plastic |
| Power Cord Length | 1.8 m |
| Operating Temperature | 1 °C to 40 °C |
| Maintenance | Clean the suction strainer monthly. |
| Safety Features | Thermal overload protection, dry-run protection |
| Spare Parts & Repairability | Impeller, seals, strainer available; tool-free replacement of wear parts |
| General Information | Designed for clean water; low noise and energy efficient |
Frequently Asked Questions - ARNU07GSJR4 LG
How do I prime the LG ARNU07GSJR4 water pump?
Before starting, ensure the suction hose is filled with water. Fill the pump housing completely through the priming port, then close the port securely. Switch on the pump and it should prime automatically within a few seconds.
What type of water can I use in the ARNU07GSJR4?
This pump is designed for clean water only, with a maximum temperature of 40 °C. Do not use corrosive liquids, flammable fluids, or water containing abrasive particles, as these can damage the impeller and seals.
Why is my pump making excessive noise?
Excessive noise is often caused by cavitation, air bubbles in the pump, or a blocked strainer. Check the suction line for leaks, ensure the strainer is clean, and bleed any trapped air from the pump head.
How often should I clean the pump strainer?
It is recommended to clean the suction strainer at least once a month, or more frequently if the water contains debris. A clogged strainer reduces flow and may cause the pump to overheat.
Can the pump run continuously?
The ARNU07GSJR4 is rated for intermittent duty. For continuous operation, allow a 10-minute rest after every 30 minutes of running. Running dry or without pauses can trigger the thermal overload switch.
Does the pump have a thermal cut-off?
Yes, it includes a built-in thermal overload protection that automatically shuts off the motor if it overheats. After cooling down, the pump will reset automatically, but you should check for the cause of overheating, such as a blocked outlet or low water supply.
How do I store the pump for winter?
Drain all water from the pump and hoses, then run the pump for a few seconds to remove residual moisture. Clean the strainer, inspect the seals, and store the pump in a dry place above freezing temperature. Protect the power cord from damage.
What should I do if the pump loses suction?
First, check for water level and ensure the suction hose is submersed. Inspect the strainer for blockages, check all joints for air leaks, and verify that the foot valve is working. If the issue persists, the seals may need replacement.
Are spare parts available for the ARNU07GSJR4?
Yes, common spare parts like the impeller, strainer, and mechanical seals are available through LG authorized service centers. The pump is designed for easy disassembly, allowing you to replace these wear parts with basic tools.
What is the recommended flow rate for this pump?
The pump has a maximum flow rate of 2500 L/h. For optimal performance and to avoid cavitation, ensure the actual flow rate is within the pump's rated curve, typically around 1500-2000 L/h depending on the head height.
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USER MANUAL ARNU07GSJR4 LG
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Product information
Brand : LG
Model : ARNU07GSJR4
Category : Water pump