Suburban Gas Hot Water Storage Heater Customer Service and Technical Staff Manual

Safety Precautions

Gas Leak Procedure

• Do not attempt to light any appliance.
• Avoid touching electrical switches.
• Do not use phones within the vicinity.
• Immediately contact your gas supplier from a neighbor's phone and follow their instructions.

Freeze Warning

• Drain the heater if exposed to freezing temperatures to prevent damage.

General Safety

• Do not store or use gasoline or other flammable materials near the heater.
• This appliance is not suitable for use as a pool heater.
• Avoid using external switching devices like timers that could inadvertently reset the thermal cut-out.

Specifications

Models Covered

• SW4DRA, SW6DRA, SW4DERA, SW6DERA, SW4DFA, SW6DFA, SW4DEFA, SW6DEFA

Capacity and Pressure

• 15.1 Liters and 20.3 Liters models available.
• Maximum/Minimum Working Pressure: 700 kPa / 150 kPa.

Gas and Electrical Requirements

• Hourly Gas Consumption: 8.7MJ per Hour.
• Test Point Pressure: 2.63 kPa.
• Inlet Pressure: 2.75 kPa (2.5 - 3.5 kPa for New Zealand).
• Jet Orifice Size: .84 mm.
• Type of Gas: Universal LPG.
• Recovery Rate: 40 L/hr at 45°C rise.
• Electrical: 12 Volt D.C. for ignition, 240 Volt 50 HZ A.C. for models with heating elements (1440 Watts 6 Amp).

Installation Dimensions

• Hot water inlet: 70mm from top dead center.
• Cold water inlet: 55mm from bottom dead center.
• Flue outlet: 95mm from RH top edge of unit.
• Gas inlet connection: 40mm from the left edge of the control housing.
• Inlet size: 3/8”.

Installation Instructions

General

• Ensure the installation conforms to local codes and regulations.
• Use industrial-grade silicone for sealing.
• Do not install the water heater with the door facing forward in the coach.
• Ensure the vent is not obstructed by any door on the trailer.
• Consult the manufacturer before installing on vinyl siding.
• The appliance must be installed by authorized personnel following the manufacturer's instructions and local regulations.

Water Connections

• Install a tempering valve or similar device to control delivery temperature.
• Use suitable fittings for hot and cold water connections. Do not glue metal fittings.
• Ensure the tank is filled with water before operation.

Gas Connections

• Use a 3/8” flare fitting for the gas supply.
• Ensure all connections are air-tight to prevent moisture and flue products from entering the living area.

Electrical Connections

• For 12 Volts D.C. models, refer to the wiring diagram for proper connection.
• For 240 Volts A.C. models, ensure the connection conforms to local electrical codes. Use a dedicated circuit breaker.

Maintenance

Anode Protection

• Check the anode every 6 months and replace if necessary.
• Draining the tank when not in use can extend anode life.

Pressure Relief Valve

• Operate the valve every 6 months to remove lime deposits and verify it's not blocked.

Winterizing

• Drain the heater to prevent damage in freezing temperatures.
• Use a bypass kit if available to exclude the heater when adding antifreeze to the system.

Troubleshooting

• Ensure the gas and electrical supplies are turned on.
• Check for tripped ECO reset button.
• Verify the gas valve and ignition system are functioning correctly.
• For electric models, ensure the heater is filled with water before energizing the heating element.

Operating Instructions

• Fill the tank with water before use.
• For gas models, turn on the gas supply and use the ignition switch to light the burner.
• For electric models, turn on the circuit breaker to energize the heating element.
• Regularly check for gas leaks using a soap and water solution.

Additional Information

• Do not modify the appliance.
• Ensure children do not play with the appliance.
• For any technical or warranty questions, refer to the warranty or rating plate provided with your hot water heater.

This manual is intended to provide comprehensive technical support for customer service and technical staff handling Suburban Gas Hot Water Storage Heaters. Always prioritize safety and adhere to local regulations during installation, operation, and maintenance.