HVAC / Ventilation Systems
Installation manual for Duco Power supply 230VAC-24VDC/20W
Quick installation guide for the Duco 230VAC-24VDC/20W power supply. Includes safety instructions, technical specifications, wiring diagrams, and mounting guidelines.
Quick answers from the manual
Quick answer
- The Duco 230VAC-24VDC/20W power supply (Model L2003522) is designed for indoor use. It requires installation by an accredited installer, following specific wiring (0.5-2mm) and torque (max 0.4Nm) guidelines. p. 1, 2
Key actions
- Connect wires to terminals 1 (AC N), 2 (AC L), 3 (-V out), and 4 (+V out). p. 2
- Ensure tightening torque does not exceed 0.4 Nm. p. 2
Problems and fixes
Condensation
Wait for room temperature to be reached before connecting.
p. 1Show 3 more answers Show less
Maintenance and reset
- Maintenance and repairs must be carried out by a qualified expert. p. 1
Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Input | 230V | Mains voltage | p. 2 |
| Output | 24V | DC output voltage | p. 2 |
| Power | 20W | Maximum power output | p. 2 |
| Efficiency | 87% | Energy efficiency | p. 2 |
| No-load power | 0.1W | Power consumption without load | p. 2 |
Where to find it in the PDF
- Safety Instructions p. 1
- Technical Features and Mounting p. 2
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
This document provides essential installation and safety instructions for the Duco 230VAC-24VDC/20W power supply. Installation, connection, maintenance, and repairs must be carried out by an accredited installer. The device is intended for indoor use only.
Safety Instructions
- Environment: Use only indoors. Never use in damp areas, in the rain, or near water. Keep away from open flames and hot surfaces.
- Handling: Do not expose to extreme temperatures, direct sunlight, vibration, mechanical pressure, flammable gases, or solvents.
- Operation: If moving from a cold to a warm environment, wait for the unit to reach room temperature before connecting to avoid condensation damage.
- Maintenance: Do not make any changes to the unit. Do not open the casing. If the unit is defective, damaged, or stored for a long time under poor conditions, do not use it. All repairs must be performed by a qualified expert.
- Electrical Safety: Ensure mains voltage matches the rating plate. Disconnect mains voltage when not in use, during cleaning, during storms, or if defective.
Technical Features
- Input: 230V
- Output: 24V
- Power: 20W
- Efficiency: 87%
- No-load power: 0.1W
- Scope of application: -40°C to 85°C
Mounting and Connections
The device should be mounted on a solid, heat-resistant surface. Ensure the following connection guidelines are followed:
- Wire thickness: 0.5-2 mm (24-12 AWG)
- Tightening torque: Max 0.4 Nm
- Connection 1: AC (N)
- Connection 2: AC (L)
- Connection 3: -V out
- Connection 4: +V out
Legislation and Support
The EC Declaration of Conformity can be downloaded from www.duco.eu. For further information regarding warranty, maintenance, and technical data, visit the manufacturer's website or contact them at [email protected].
Official resources from the manual
Manufacturer information
Duco Ventilation & Sun Control NV
Practical help
Common problems
Condensation after moving the unit
If moved from a cold to a warm environment, wait for the unit to reach room temperature before connecting to avoid damage to electrical components.
Defective or damaged unit
Do not open the casing or attempt repairs yourself. Contact a qualified expert.
Before use
- Verify that the mains voltage matches the specifications on the rating plate.
- Ensure the installation location is indoors and dry.
- Check that the unit is not visibly damaged.
- Ensure the surface for mounting is solid and heat-resistant.
- Prepare wires with a thickness of 0.5-2 mm (24-12 AWG).
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Specs in practice
- Tightening torque
- Maximum 0.4 Nm for terminal screws to prevent damage.
Images and diagrams
- Pin 1: AC (N) - Neutral input
- Pin 2: AC (L) - Live input
- Pin 3: -V out - Negative DC output
- Pin 4: +V out - Positive DC output
Model compatibility
- Indoor use only.
- Not suitable for damp areas or rain.
- Requires accredited installer for connection.
Manual page author
Michael Turner
Technical manual editor