Raypak 5042004 Venting Installation Tips, Venting Configurations, Canadian Installations

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1. Vent must terminate at least 4 ft below, 4 ft hori- zontally from or 1 ft above any door, window or gravity air inlet to the building.

2. The vent must not be less than 7 ft above grade when located adjacent to public walkways.

3. Terminate vent at least 3 ft above any forced air inlet located within 10 ft.

4. Vent must terminate at least 4 ft horizontally, and in no case above or below unless 4 ft horizontal distance is maintained, from electric meters, gas meters, regulators, and relief equipment.

5. Terminate vent at least 6 ft away from adjacent walls.

6. DO NOT terminate vent closer than 5 ft below roof overhang.

7. The vent terminal requires a 12 in. vent terminal clearance from the wall.

8. Terminate vent at least 1 ft above grade, including normal snow line.

9. Multiple direct vent installations require a 4 ft clearance between the ends of vent caps located on the same horizontal plane.

WARNING: The Commonwealth of Massachusetts requires that sidewall vented heaters, installed in every dwelling, building or structure used in whole or in part for residential purposes, be installed using special provisions as outlined on page 53 of this manual.

Canadian Installations

Refer to latest edition of the B149 Installation code. A vent shall not terminate:

1.Directly above a paved sidewalk or driveway which is located between two single-family dwell- ings and serves both dwellings.

2.Less than 7 ft (2.13 m) above a paved sidewalk or paved driveway located on public property.

3.Within 6 ft (1.8 m) of a mechanical air supply inlet to any building.

4.Above a meter/regulator assembly within 3 ft (915

mm)horizontally of the vertical centre-line of the regulator.

5.Within 6 ft (1.8 m) of any gas service regulator vent outlet.

6.Less than 1 ft (305 mm) above grade level.

7.Within the 3 ft (915 mm) of a window or door which can be opened in any building, any non-mechani- cal air supply inlet to any building or the combustion air inlet of any other appliance.

8.Underneath a verandah, porch or deck, unless the verandah, porch or deck is fully open on a mini- mum of two sides beneath the floor, and the distance between the top of the vent termination and the underside of the verandah, porch or deck is greater than 1 ft (305 mm).

Venting Installation Tips

Support piping:

•horizontal runs—at least every 5 ft

•vertical runs—use braces

•under or near elbows

WARNING: Examine the venting system at least once a year. Check all joints and vent pipe connections for tightness, corrosion or deterioration.

Venting Configurations

For heaters connected to gas vents or chimneys, vent installations shall be in accordance with the NFGC (U.S.), or B149 (Canada), or applicable provisions of local building codes.

Natural Draft Vertical Venting (Category I)

Installation

Natural draft venting uses the natural buoyancy of the heated flue products to create a thermal driving head that expels the exhaust gases from the flue. The nega- tive draft must be within the range of -.01 to -.08 in. WC as measured 12 in. above the appliance flue out- let to ensure proper operation. Vent material must be listed by a nationally recognized test agency.

The maximum and minimum venting length for Cate- gory I appliances shall be determined per the NFGC (U.S.) or B149 (Canada).

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Contents Do so may result in an explosion or fire Reference Catalog no .54E Effective Replaces 241317 RevPage Contents Pay Attention to These Terms Before Installation Installations at ElevationProduct Receipt Model IdentificationComponent Locations General InformationGeneral Safety Time/Temperature Relationships in ScaldsWater Time to Produce Serious Temp Burn Installation Installation CodesIndoor Installations Equipment BaseOutdoor Installations Combustion and Ventilation AirIndoor Units Table E Vent/Air Inlet Termination Clearances Installations Conventional Combustion Air SupplyAir Filter Direct VentCanadian Installations Water PipingGeneral Relief Valve Piping Temperature & Pressure Gauge Hydrostatic TestCold Water Operation Hydronic Heating Pump SelectionFeedwater Regulator Cold Water StartsPiping Air-Separation/Expansion TankModel Input Output 20 ∆T 30 ∆T 40 ∆T Min. Flow GpmThree-Way Valves Domestic Hot WaterPotable Water and Space Heating Pool HeatingPool heating application. Use the following instruc Pool/Spa Water Chemistry Winterizing Your HeaterExceed 5 ppm Gas Supply Gas Supply ConnectionGas Supply Pressure Automatic Chlorinators Chemical FeedersElectrical Power Connections Model In. NPT 4 in. NPT 2 in. NPTModel Manifold Gas Pressure High Fire ValuesCheck the Power Source Field-Connected ControllersMaking the Electrical Connections Field Wiring Connection VentingAppliance Categories Installations Support of Vent StackVent Terminal Location Venting Installation Tips Venting ConfigurationsCanadian Installations InstallationMax. Length* ft Min10 Ø TerminationCommon Venting Typical Common VentingModel Vent Size Volume Flue Products Engineered Vent SystemsHorizontal Through-the-Wall Direct Venting Category Direct Vent-Vertical Horizontal Through-the-Wall Direct VentingOutdoor Installation Model CertifiedCombustion Air Air Inlet Horizontal Max. Length** ft Vent Controls Freeze ProtectionOperating Modes Differential GraphMode 3 Dedicated DHW 10 VDC 20 mA Boiler TargetDefinitions 10 VDC 20 mABoiler H7 Modes Default Setting Pool Heater P, WHP Modes Default Setting RangeWater Heater WH1 Modes Default Setting Range Number Field Type Fault Description OperationRank High Limit-Manual Reset Heater Sequence of OperationIgnition Module Code ConditionHigh Limit-Auto Reset Optional Flow SwitchModulating Temperature Control High & Low Gas Pressure Switches OptionalBlocked Vent Switch Air Pressure SwitchUDB Diagnostic Board Wiring Diagram Models H & WH Wiring Diagram Models P & WHP START-UP Pre Start-upPre Start-up Check Initial Start-upStart-Up Blower CheckSafety Inspection FinishingManifold Check Follow-UpLeak Test Procedure Dual-Seat Gas Valve Post Start-Up CheckOperation Lighting InstructionsUDB Fault History To Turn Off Gas To ApplianceTroubleshooting StepMaintenance Suggested Minimum Maintenance SchedulePreventive Maintenance Schedule Filter Maintenance WeeklySemi-Annually AnnuallyFilter Replacement AppendixInside Air Contamination Important Instructions for the Commonwealth of Massachusetts Limited Parts Warranty MVB Types H and WH Limited Parts Warranty MVB Types P & WHP START-UP Checklist for FAN-ASSISTED Raypak Products Nominal Factory Recommended Settings

5042004 specifications

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