Truma Combi 2 E / 4 E AU Operating Instructions for Customer Service and Technical Staff

Product Overview:

The Truma Combi 2 E / 4 E (Australia) is a liquefied gas heater integrated with a hot water system, capable of heating air and water simultaneously or separately. It features fan-assisted operation for consistent performance even while moving. The unit includes electrical heating elements for stationary use at camp sites.

Key Components:

• Digital Control Panel
• Room Temperature Sensor
• Cold and Hot Water Connections
• Gas Connection (with pressure test point)
• Hot Air Outlets
• Recirculated Air Intake
• Waste Gas Discharge
• Combustion Air Infeed
• Electronic Control Unit
• Water Container (10 litres)
• Burner
• Heat Exchanger
• Power Electronics
• Overheating Switch 240 V
• Drain Valve
• Water Pressure Reducer
• P&T Relief Valve

Operating Modes:

• Gas Mode: Uses LPG for autonomous operation.
• Electrical Mode: Utilizes 240 V for stationary use.
• Mixed Mode: Combines gas and electrical operation for heating and hot water.

Safety Instructions:

• Ensure flammable materials are away from hot air outlets and the unit is free from obstructions.
• Regularly check the integrity of the exhaust gas double duct and the mounting of the appliance.
• Operate the unit with appropriate Truma control panels and accessories only.
• Regularly inspect the gas system for leaks and ensure it is checked by an expert every two years.
• Use upright gas cylinders that release gas in the gas phase only.

Installation and Maintenance:

Installation and repairs should only be conducted by authorized personnel. Regular maintenance checks are required to ensure operational efficiency and safety. Use only original Truma parts for replacements to avoid voiding the warranty.

Troubleshooting:

• Water Heating Issues: Check for scale build-up in the water container and descale if necessary.
• Drain Valve Issues: Ensure the drain valve is closed properly to prevent leaks; check for blockages if the system does not drain.
• Overheating Protection: If the overheating switch is activated, do not reset until the unit has been checked by a qualified technician.

Technical Specifications:

• Type of Gas: LPG (Propane/Butane)
• Operating Pressure: 2.75 kPa
• Water Capacity: 10 litres
• Max Working Water Pressure: 500 kPa
• Heating Output: Up to 3900 W in mixed mode
• Gas Consumption: 130 g/h for Combi 2 E and 130-260 g/h for Combi 4 E
• Dimensions: 300 mm x 450 mm x 510 mm

Warranty and Service:

12-month warranty from the date of purchase covering defects in materials or workmanship. Warranty service is provided only upon presentation of proof of purchase. Warranty exclusions include damage from misuse, accidents, unauthorized repairs, or modifications.

For Service and Support:

Contact the Leisure-Tec Service Centre for any operational issues, servicing needs, or warranty claims. Ensure to have the equipment model and serial number ready for quick assistance.

Note: This document is intended for use by customer service and technical staff to assist in the operation, troubleshooting, and maintenance of the Truma Combi 2 E / 4 E AU units. Ensure all handling, installations, and repairs are conducted according to manufacturer guidelines to maintain safety and efficiency.