Midea RSJF-40/RDN3-(E2) Air Source Heat Pump Water Heater Installation and Use Manual

Installation and operation guide for the Midea RSJF-40/RDN3-(E2) air source heat pump water heater, covering safety, setup, and maintenance.

Brand: Midea
Category: Other
Document type: User Manual
Language: Chinese
Pages: 1
File format: PDF
File size: 32.3 MB
Published: 17 October, 2026
Updated: 17 October, 2026
MD5 checksum: B15FE434169A7C063D83B809C138DC33
PDF: Midea RSJF-40/RDN3-(E2) Air Source Heat Pump Water Heater Installation and Use Manual PDF

About this manual

This manual provides instructions for the installation and use of the Midea RSJF-40/RDN3-(E2) air source heat pump water heater. It details safety precautions, site selection, unit installation, piping connections, electrical wiring, and commissioning procedures. The document also explains the unit's components, operational characteristics, and maintenance requirements. This manual is written in Chinese.

What's inside

Safety Precautions
Installation Site Selection
Unit Installation
Piping Connections
Air Removal
Electrical Connections
Trial Operation
Unit Components
Usage and Performance
Maintenance and Troubleshooting

Specifications

Power Supply	220V～ 50Hz
Leakage Protector Rating	30mA 0.1 sec
Operating Temperature Range	-20～46°C

Frequently asked questions

What is the minimum air circulation required for the host unit?

The minimum air circulation volume required is greater than 1800m3/h.

What should be done if the water heater is turned off for a long time before restarting?

Turbid liquid may flow from the faucet initially; continue draining until the phenomenon disappears.

What is the voltage range for the protection device to activate?

The protection device may activate if the voltage is outside the range of 220V±10%.

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