SAFETY PRECAUTION TABLE OF CONTENT Installation and maintenance work shall only be performed by a qualified Item Page No. person, familiar with local code and regulation, and experienced with this 1. Safety Precaution ................type of appliance. 2. Parts Identification ................2 - 3 All field wiring must be installed in accordance with the national wiring regulation.
Capacity (Litre) No. of user up to 75 C (min.) The appliance must be earthed. AST-30-V 1 - 2 All wiring must conform to local regulations. If in doubt, please consult AST-50-V 1 - 3 a qualified electrician. The ideal connection is shown in the diagram below.
INSTALLATION PROCEDURE Positioning of Heater IMPORTANT The installation of electrical and plumbing work must be carried out by This model MUST be mounted in a vertical position. Refer to the Mounting Guide Diagram on the next page. qualified personnel, according to the installation instructions and in compliance to the local authority regulations.
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Plumbing Connect the incoming cold water supply to the inlet of the heater i.e. at the Pressure Relief Valve (Blue). Caution: The Pressure Relief Valve is a safety device that prevents excessive build-up of water pressure in the heater tank. It must not be removed or replaced.
BLACK or BLUE ............NEUTRAL ( N ) GREEN / YELLOW or YELLOW / GREEN ....EARTH Replace the connector cover and tighten the screws. Schematic Wiring Diagram Approx. Tank Dimension (mm) Weight (kgs) Capacity Model (Litre) Empty Full AST-30-V φ380 13.5 43.5 AST-50-V φ380 17.0 67.0...
TROUBLESHOOTING GUIDE OPERATING INSTRUCTIONS Warning: Always ensure that the heater tank is fully filled with water Symptom Cause Solution (especially after installation, servicing/repairs or interruptions of water supply) before switching on the electrical supply. Indicator light does 1. The power source is Get a professional not light up not connected or...
If you need any technical assistance or want to file a faulty report, please contact our customer service centre at : Alpha Home Appliances Sdn. Bhd. (390258-H) Head Office : 6, Jalan Sungai Kayu 32/37, Berjaya Park, Sect 32,40460 Shah Alam, Selangor.