John-wood Noritz Concentric Vent - NR98-DVC (N-0751M) User Manual

Potential dangers from accidents during installation and use are divided into the following threecategories. Closely observe these warnings, they are

10Vent Terminal Installation PrecautionsNote the following vent terminal installation requirements• Do not install the vent terminal indoors• Install

11The power must be unplugged whenadjusting (pulling in or out) the connectorto switch the airflow amount.<Maximum Vent Length Configurations>Pu

12• Do not common vent or connect more thanone appliance to this venting system.• Terminate at least 300mm (12")above grade orsnow line.• Termina

13Suggested inspection openings450mm x 450mm (18" x 18")(Combustible material)External wall,combustible material• Inspection openings are su

14Gas MeterSelect a gas meter capable of supplying the entirebtuh demand of all gas appliances in the building.Gas Connection• Do not use piping with

15Maximum NaturNatural Gas Delivery Capacity in Cubic Feet per Hour (0.60 Specific Gravity, 0.5" WC Pressure Drop) Contact the Gas Supplier for B

1610. Water PipingThis appliance suitable for potable water and space heating applications. Do not use this appliance if any part hasbeen underwater.

17Supply water piping•Do not use PVC, iron, or any piping which has beentreated with chromates, boiler seal or other chemicals.•Mount a check valve an

18If this water heater will be installed in an application where the supply water is hard, the water must betreated with either a water softener, whic

1911. Plumbing ApplicationsRecirculation SystemCombination Potable Water and Space Heating SystemCold Water SupplyIsolationKit(*4)Gas SupplyAquastat(*

21. Included AccessoriesThe following accessories are included with the unit.Check for any missing items before starting installation.Q’tyShapePartTap

20Do not connect electrical power to the unit until all electrical wiring has been completed.Consult a qualified electricianfor the electrical work.12

21• When changing the temperature, make sure to confirm with the customer that the temperature ofthe hot water will be very high and that there is a r

22Connecting the pump control wire1. Leave enough slack so that the pump control wireswill stay connected if the unit is removed from thewall.2. Remov

23Connecting Quick Connect CordThe wire coloring on the Quick Connect Cord willnot be the same as the wire coloring of theconnection plug inside the u

24(1) Open a hot water fixture and confirm that the Burner On lamp comes on, and that hot water isbeing produced. (If necessary, repeat until the air

25Lighting InstructionsThis water heater does not have a pilot. It is equipped with an ignition device that automatically lightsthe burner.Do not try

2615. DimensionsN-0751M-DVCHOT WATER OUTLET (3/4")WIRING THROUGHWAYWIRING THROUGHWAYCOLD WATER INLET (3/4")GAS INLET (3/4")(VIEW FROM T

33. Quick Connect Multi System Installation• The Quick Connect Multi System allows the installation of two units together utilizing only the QuickConn

44. Before InstallationCheckup• Check the fixing brackets and vent pipe yearly for damage or wear. Replace if necessary.DANGERDo Not Use Equipment fo

55. Choosing Installation Site* Locate the appliance in an area where leakage from the unit or connections will not result in damageto the area adjace

6• Avoid installation above gas ranges or stoves.• Avoid installation between the kitchen fan and stove. If oilyfumes or a large amount of steam are p

76. Installation ClearancesBefore installing, check for the following:Install in accordance with relevant building and mechanical codes, as well as an

87. InstallationSecuring to the wallClearance Requirements from Vent Terminations to Building Openings* All clearance requirements are in accordance w

9IllustrationCheck6. Drill holes for the remaining four screws.7. Hang the unit again by the first screw, and theninsert and tighten the remaining fou