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Rheem Direct Vent Gas Tankless Water Heater, Use And Care Manual, Page: 22 / 36

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Rheem Direct Vent Gas Tankless Water Heater Use And Care Manual Download Page 22

22

Installing the water heater:

Typical Installation of Water Heater 
(Venting Required) 

Summary of Contents for Direct Vent Gas Tankless Water Heater

Page 1: ...the proper installation and adjustment of the water heater and two to the owner operator to explain the features operation safety precautions maintenance and troubleshooting of the water heater This...

Page 2: ...ce READ THIS MANUAL FOR YOUR RECORDS Write the model and serial numbers here You can find them on a label on the appliance Staple sales slip or cancelled check here Proof of the original purchase date...

Page 3: ...er flammable materials and liquids adhesives solvents paint thinners etc and the vapors they produce are extremely dangerous DO NOT handle use or store gasoline or other flammable or combustible mater...

Page 4: ...ng allows operating temperatures between 100 F 38 C and 120 F 49 C Temperatures of up to 140 F 60 C can be achieved with the MAIN UMC 117 remote control and a dip switch adjustment Only qualified serv...

Page 5: ...e or LP gas must be used with great caution It is heavier than air and will collect first in lower areas making it hard to detect at nose level Before attempting to light the water heater make sure to...

Page 6: ...ON 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 per...

Page 7: ...of any flammable liquids which may be improperly stored or accidentally spilled The water heater should be installed as close as practical to the vent termination to minimize vent length and the numbe...

Page 8: ...operator to explain the features operation safety precautions maintenance and troubleshooting of the water heater This manual also includes a parts list It is imperative that all persons who are expec...

Page 9: ...eting the installation and putting the water heater into service DANGER Failure to install the appliance vent adapter and properly vent the water heater to the outdoors as outlined in the Venting sect...

Page 10: ...and dispose of condensate from venting systems When a water heater is vented horizontally the vent pipe can have a DOWNWARD or UPWARD slope towards the termination If an UPWARD slope is used a condens...

Page 11: ...let to any building or other appliance 6 inches 15 cm for appliances 10 000 Btuh 3 kW 12 inches 30 cm for appliances 10 000 Btuh 3kW and 100 000 Btuh 30kW 36 inches 91 cm for appliances 100 000 Btuh 3...

Page 12: ...maintenance Do NOT extend exposed vent pipe of indoor water heaters outside of building Guard vent against accidental contact with people and pets Indoor Water Heater 12 WARNING Moisture in the flue...

Page 13: ...Example A Typical Horizontal Termination w 1 4 per foot DOWNWARD Slope 13 Installing the water heater...

Page 14: ...llow the vent manufacturer s recommended installation instructions provided with the vent purchased from the manufacturer Chase Requires 6 15 cm Clearance to Combustibles Firestop Firestop Roof Jack A...

Page 15: ...or pressure relief valve To ensure proper operation of the water heater the following water pressure guidelines should be followed Operation of the water heater requires the minimum water pressure of...

Page 16: ...e copper connections are recommended on the HOT and COLD water lines so that the water heater may disconnect easily for servicing if necessary Install a Check Valve between the water heater and the wa...

Page 17: ...be installed in the discharge line Notice Local codes govern the installation of relief valves If local codes require that a temperature and pressure relief valve should be installed the manufacturer...

Page 18: ...the action of LP gas Use compound sparingly on male threads only A sediment trap should be installed at the bottom of the gas line Do not use excessive force over 31 5 ft lbs 42 7 Nm in tightening the...

Page 19: ...controls can connect to the water heater Therefore a maximum of three controls can connect to the water heater No other manufacturer s controls are suitable for use with this water heater DO NOT atte...

Page 20: ...NING Field wiring connections and electrical grounding must comply with local codes or in the absence of local codes with the latest edition of the National Electrical Code ANSI NFPA 70 or in Canada C...

Page 21: ...personal injury or death CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify correct operation after servicing BK 8 R...

Page 22: ...22 Installing the water heater Typical Installation of Water Heater Venting Required...

Page 23: ...y heat loss encountered with storage tank heaters This water heater does not store water making an insulation blanket unnecessary The manufacturer s warranty does not cover any damage or defect caused...

Page 24: ...sufficient for the water heater Gas line equipped with shut off valve union and sediment trap Approved pipe joint compound used Soap and water solution used to check all connections and fittings for...

Page 25: ...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 resulting in property damage personal injur...

Page 26: ...alves are available for reducing point of use water temperature by mixing hot and cold water in branch water lines Contact a licensed plumber or the local plumbing authority for further information Se...

Page 27: ...otter water increases the risk of scald injury Always supervise young children or others who are incapacitated The water heater is equipped with a device that will shut off the gas supply to the burne...

Page 28: ...nance and or cleaning ensure proper operation by turning on a hot water faucet Housekeeping Before performing Housekeeping tasks to this water heater turn the unit off and disconnect the power supply...

Page 29: ...t It is recommended that qualified service personnel familiar with Category III venting inspect the venting system Check vent connection joint sections with a solution of soapy water to assure air tig...

Page 30: ...freezing conditions even for a short period of time be sure to drain all water from the unit as instructed above Exposure to freezing conditions can occur from down draft of venting system or from in...

Page 31: ...functions if applicable Check and replace if necessary Error code displayed on remote control See instructions for Error Code and if required contact a dealer for service Not enough water demand Incre...

Page 32: ...r safety devices Refer repairs to qualified service personnel CAUTION Make certain power to water heater is OFF before removing protective cover FOR ANY REASON CAUTION Label all wires prior to disconn...

Page 33: ...33...

Page 34: ...splay of the Main Remote Control is on continuously Change the DIP Switch 4 setting back to the OFF position DO NOT alter any other DIP Switch The LED on the PCB will stop illuminating At the same tim...

Page 35: ...35 Notes...

Page 36: ...ll be located in the room that houses the appliance or equipment and shall a Be powered by the same electrical circuit as the appliance or equipment such that only one service switch services both the...

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