Customer Service and Technical Staff Reference Manual

Suburban Gas Hot Water Storage Heater Models

Models Covered:

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

Safety Precautions

• Gas Leak Protocol: Do not light appliances, touch electrical switches, or use phones. Evacuate and contact gas supplier from a safe location.
• Freeze Warning: Drain heater in freezing temperatures.
• Installation Warning: Improper installation or maintenance can cause injury or damage. Follow this manual closely.
• High Temperature Warning: This appliance may deliver water at high temperatures. Ensure compliance with local codes for temperature control.
• Combustible Materials: Do not store or use combustible materials near the heater. Unsuitable for use as a pool heater.
• Electrical Caution: Do not supply the appliance through an external switching device or a timer.

Specifications and Data

• Capacities: 15.1 Liters and 20.3 Liters
• Working Pressure: 700 kPa max / 150 kPa min
• 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. and 240 Volt 50 HZ A.C. for models with electric heating elements (1440 Watts 6 Amp)

Installation Instructions

• General: Follow the manual closely. Use industrial-grade silicone for sealing. Do not install with the door facing forward or where the vent can be obstructed.
• Location: Avoid installing under overhangs or where flammable vapors may be present.
• Gas and Water Connections: Use suitable fittings and check for leaks. Do not glue metal fittings.
• Electrical Connections: Must comply with local codes. Use insulated terminals for all connections.

Operating Instructions

• Before Use: Ensure the tank is filled with water. Check for gas leaks.
• Ignition: Models are equipped with an ignition device. Do not attempt to light by hand.
• Electric Models: Ensure the water heater is filled before turning on the electric element.

Maintenance

• Anode Protection: Check every 6 months and replace if necessary. Use only genuine Suburban anode rods.
• Draining and Storage: Drain the heater for winter storage or when not in use to prevent damage.
• Troubleshooting: Check gas supply, electrical connections, and ensure the ECO reset button is not tripped.

Safety Warnings

• Operation: Do not operate without water in the tank. Check the vent for obstructions regularly.
• Repairs: Should be performed by a qualified service agency. Do not modify the appliance.

Additional Information

• Pressure Relief Valve: Operate at least once every 6 months to remove lime deposits.
• Odor from Hot Water System: May indicate the presence of sulfur. Chlorinate the system if necessary.
• High Altitude Operation: May require derating above 4,500 feet.

Troubleshooting Guide

• Common Issues: Failure to ignite, gas supply problems, tripped ECO, and electrical connection issues.
• Solutions: Verify switch positions, gas supply status, reset ECO, and check electrical connections.

Installation and Removal

Detailed steps for installing using hinged door or flush mount frame and door, including securing the water heater, applying silicone caulking, and attaching the door.
Instructions for removing the water heater include shutting off gas and water supply, draining the tank, and disconnecting connections.

This manual serves as a comprehensive guide for customer service and technical staff, providing all necessary information to address customer inquiries, perform installations, conduct maintenance, and troubleshoot issues related to Suburban Gas Hot Water Storage Heaters.