Rheem Professional Classic Series: Atmospheric for Manufactured Housing- User Manual

5 LP and Natural gas have an odorant added to aid in detecting a gas leak. Some people may not physically be able to smell or recognize this odorant. If you are unsure or unfamiliar with the smell of LP or natural gas, ask the gas supplier. Other conditions, such as “odorant fade”, which causes the ...

6 IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. WARNING! For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric shock, or to prevent property damage, personal injury, or loss of life. FOR INSTALLATIONS IN THE STATE OF ...

Installing the water heater. The installation of this water heater must be in accordance with the Manufactured Home Construction and Safety Standard (Title 24, CFR; Part 3280) and the following instructions; instructions supplied with the roof jack assembly, local codes, and utility company requirem...

8 Installing the water heater. Installation Methods Inspect shipment. — Inspect the water heater for possible shipping damage. Placement of water heater. — Locate the water heater as desired, make certain the minimum clearances outlined in this manual are observed. Combustion and ventilation air. — ...

Installing the water heater. Thermal Expansion Determine if a check valve exists in the inlet water line. Check with your local water utility company. It may have been installed in the cold water line as a separate back flow preventer, or it may be part of a pressure reducing valve, water meter or w...

DO ❑ DO check inlet gas pressure to ensure that it is within the range specified on the rating plate. ❑ DO provide adequate air for combustion and ventilation as discussed in the Use and Care Manual and the National Fuel Gas Code. ❑ DO maintain proper clearances to combustibles as specified on the r...

14 Installation Checklist A. Water Heater Location B. Water Supply C. Gas Supply D. Relief Valve E. Venting ❑ Water heater securely anchored. ❑ Indoors and protected from freezing temperatures. ❑ Proper clearance from combustible surfaces observed and water heater not installed on carpeted floor. ❑ ...

15 Lighting the water heater. Before operating this water heater, be sure to read and follow the instructions on the label pictured below and all other labels on the water heater, as well as the warnings printed in this manual. Failure to do so can result in unsafe operation of the water heater resu...

16 Time/Temperature Relationship in Scalds Water Temperature Time To Produce a Serious Burn 120°F More than 5 minutes 125°F 1 1 / 2 to 2 minutes 130°F About 30 seconds 135°F About 10 seconds 140°F Less than 5 seconds 145°F Less than 3 seconds 150°F About 1 1 / 2 seconds 155°F About 1 second Table co...

Temperatures are approximate 17 Operating the water heater. Water Temperature Setting… Maximum water temperatures occur just after the burner has shut off. To determine the water temperature, turn on a hot water faucet and place a thermometer in the water stream.The reference mark p on the rim of th...

Care and cleaning of the water heater. Draining the Water Heater CAUTION: Shut off gas to the water heater at the gas control (thermostat) gas cock or manual shut-off valve before draining water. DANGER: Before manually operating the temperature and pressure relief valve, make certain no one will be...

19 Venting System Inspection The water heater’s internal flue must be inspected annually to be certain it is clean by removing the draft hood and flue baffle.When reinstalling the flue baffle make certain it is hung securely by its hanger at the top of the flue way.Reinstall the draft hood.Inspect t...

20 Before You Call For Service… Troubleshooting TipsSave time and money! Review the charts on the following pages first and you may not need to call for service. This water heater incorporates a combustion shut off device that shuts the operation of the water heater down if undesirable combustion co...

Replacement Parts. Instructions For Placing a Parts Order All parts orders should include: The model and serial number of the water heater from the rating plate. Specify type of gas (natural or LP) as marked on the rating plate. Part description (as noted below) and number of parts desired. CAUTION:...

Slightly depress the gas control knob and turn clockwise to "OFF" position. Note: Knob cannot be turned from "PILOT" position unless pushed down slightly. DO NOT USE FORCE. 23 Conversion instructions—Natural Gas to LP Gas If your gas supply is LP gas, your water heater can be convert...

Conversion Instructions—Natural Gas to LP Gas Replace main burner natural gas orifice with the Red colored main burner orifice (stamped LP) supplied in the bag. Refer to the Replacement parts section of the Use & Care manual for the location of the orifice on the burner assembly. Replace main bu...

25 Slightly depress the gas control knob and turn clockwise to "OFF" position. Note: Knob cannot be turned from "PILOT" position unless pushed down slightly. DO NOT USE FORCE. Conversion instructions—LP Gas to Natural Gas Your water heater was factory pre-set to burn natural gas but ...

26 Replace red mark colored main burner with (Natural gas) main burner supplied in the package. Reinstall the two #6 screws. Replace yellow mark pilot burner orifice with the pilot burner natural gas orifice supplied in the bag. Remove the old inner door gasket. Clean the metal surfaces and replace ...

IF YOU NEED SERvICE 1. Should you have any questions about your new water heater, or if it requires adjustment, repair, or routine maintenance, it is suggested that you first contact your installer, plumbing contractor or previously agreed upon service agency. In the event the firm has moved, or is ...