ATC WEL3000 - User Manual

ATC OVERDOOR HEATER
INSTALLATION, OPERATION & MAINTENANCE MANUAL
Thank you for purchasing this ATC WEL3000 3kw Overdoor Heater.
Please read these instructions carefully before use
Specifications
Dimensions (LxWxH) mm 618 x 139 x 221
Voltage (V ~) 220-240
Frequency (Hz)
50
Motor Power (w)
High
40
Low
15
Heating Power (kW)
High
3
Low
1.5
Air Volume (m
3
/h)
High
240
Low
120
Air Speed (m/s) 4 (max)
Settings Off/Ambient/1500w/3000w
External control
Yes – 5v DC contact
Temp Rise (Δt°C)
30-50
Noise level (dB)
40±3 db @1.5m
Weight (Kg)
6.8
Insulation Class
1
Ingress Protection
IP20
Approvals
CE
Precautions for Installation
• Operating conditions for the WEL3000 overdoor heater: Installation below 1000m altitude; Operating temperature is between -10°C
and +40℃; Relative humidity of ≤90%. Indoor use only
• This overdoor heater must be mounted in a solid structurally sound location to prevent excessive vibration.
• This overdoor heater is not suitable for use in locations with high temperatures, high humidity, explosive atmospheres, corrosive
substances or any other location where gases or fine powder is present in the air. This may damage internal components or insulation
• This heater must not be recessed into ceilings or be built into bulkheads.
• Do not touch the outlets of the overdoor heater when it is running as they may be hot and could possibly cause burns.
• Do not obstruct either the inlet or outlet of the overdoor heater.
• Clean all the dust from the heater every month to ensure smooth operation.

ATC WEL3000 Specifications

General

Wattage	3000 W
Frost protection	Yes
Frequency	50 Hz
Overheat Protection	Yes
Voltage	220-240V

Summary

Product Specifications

Key Specifications

Details dimensions, voltage, frequency, motor power, heating power, air volume, speed, settings, and ingress protection.

Installation Precautions

Safety guidelines for mounting, environmental conditions, and operational restrictions to ensure safe and proper use.

Installation and Operation

Mounting and Wiring

Instructions for fixing the mounting plate, attaching the heater, and wiring to a single phase supply with isolator.

Heater Operation Modes

Guidance on using ON/OFF, HEAT (half/high), and COOL buttons for different heating and fan settings.

Automatic Operation Setup

Steps to connect a controlling device to terminals 4 & 5 for automatic operation and cool-down sequences.

Safety, Wiring, and Warranty

Important Warnings

Critical safety advice regarding voltage, power isolation, cleaning, liquid ingress, and qualified installation.

Wiring Diagram

Visual representation of the heater's internal electrical connections for power and control lines.

Product Warranty Information

Details on the 12-month warranty against manufacturing defects and how to obtain warranty services.