Bradford-White Corp ULTRA HIGH EFFICIENCY GAS WATER HEATER Direct Vent Terminal Clearances

Page 23

Figure 12b. Direct Vent Terminal Clearances

 

 

Canadian

US

 

 

Canadian

US Installations2

 

 

Installations1

Installations2

 

 

Installations1

 

A=

Clearance above grade,

12 inches

12 inches

H=

Clearance to each side

3 feet (.9 m) within a

*b

 

veranda, porch, deck or

(30.5 cm)

(30.5 cm)

 

of center line extended

height 15 feet (4.6 m)

 

 

balcony

 

 

 

above meter/regulator

above the

 

 

 

 

 

 

assembly

meter/regulator

 

 

 

 

 

 

 

assembly

 

B=

Clearance to widow or

36 inches

12 inches

I=

Clearance to service

36 inches

*b

 

door that may be

(91.4 cm)

(30.5 cm)

 

regulator vent outlet or

(91 cm)

 

 

opened

 

 

 

oil tank vent

 

 

C=

Clearance to

*b

*b

J=

Clearance to non-

36 inches

12 inches

 

permanently closed

 

 

 

mechanical air supply

(91.4 cm)

(30.5 cm)

 

window

 

 

 

inlet to building or the

 

 

 

 

 

 

 

combustion air inlet to

 

 

 

 

 

 

 

any other appliance

 

 

D=

Vertical clearance to

12 inches

12 inches

K=

Clearance to a

6 feet

3 feet (.9 m)

 

ventilated soffit located

(30.5 cm)*a

(30.5 cm)*a

 

mechanical air supply

(1.8 m)

above if within

 

above the terminal within

 

 

 

inlet

 

10 feet (3 m)

 

a horizontal distance of 2

 

 

 

 

 

horizontally

 

feet (.61 m) from the

 

 

 

 

 

 

 

center line of the

 

 

 

 

 

 

 

terminal

 

 

 

 

 

 

E=

Clearance to

12 inches

12 inches

L=

Clearance above paved

7 feet

*b

 

unventilated soffit

(30.5 cm)*a

(30.5 cm)*a

 

sidewalk or paved

(2.1 m)

 

 

 

 

 

 

driveway located on

 

 

 

 

 

 

 

public property

 

 

F=

Clearance to outside

*b

*b

M=

Clearance under a

12 inches (30.5 cm)

12 inches (30.5

 

corner

 

 

 

veranda, porch, deck, or

 

cm)‡

 

 

 

 

 

balcony

 

 

G=

Clearance to inside

36 inches

36 inches

 

 

 

 

 

corner

(91.4 cm)*a

(91.4 cm)*a

 

 

 

 

1In accordance with the current CAN/CGA-B149 Installation Codes.

2In accordance with the current ANSI Z223.1-(Latest Edition)/NFPA 54 National Fuel Gas Code.

A vent must not terminate directly above a sidewalk or paved driveway that is located between two single-family dwellings and serves both dwellings.

‡ Permitted only if a veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor. *a) A minimum clearance value determined by testing in accordance with section 2.20.

*b) “Clearance in accordance with local installation codes and the requirements of the gas supplier”.

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Contents What to do if YOU Smell GAS With Troubleshooting GuideTable of Contents Page Do not Operate the Appliance Until the Leakage is Corrected If YOU Smell GASDimensions Inches Section II SpecificationsSection III General Information FeaturesTemperature and Pressure Relief Valve Condensate Elbow With Trap Section IV Installation Instructions Unpacking Minimum Clearance To Combustible Material AIR Requirements LocationRemove Crate Confined Space Typical Installation IllustrationMechanical Exhausting of Room AIR Unconfined SpaceTypical Front Inlet Connection Typical Two Water Heater Connection Scalding Section V Water ConnectionsInstructions for Connections Approximate TIME/TEMPERATURE Relationships in Scalds Approximate Time/Temperature Scald ChartSection VI Venting Approved Venting Materials Page Venting Direct Vent InstallationCanadian US Installations2 Installations1 Clearance above Direct Vent Terminal Clearances Page Typical Horizontal Direct Vent System Typical Vertical Direct Vent System Installation Inch 5.1 cm Inch 7.6 cm Inch 10.2 cm Power Vent InstallationTypical Horizontal Power Vent System Typical Vertical Power Vent System Installation Power Vent Maximum Vent Length Multiple INTAKE/EXHAUST Terminal Separation Distances Concentric Vent Terminal Installation Procedure Vertical InstallationRain Cap to Small Vent Pipe Assembly Concentric Vent Side Wall Attachment Horizontal InstallationVent Pipe Preparation Vent Diameter Dimension MIN MAXInitial Preparation Section VII GAS ConnectionsGAS Pressure Regulation GAS Meter Size Natural Gases onlySection Viii Electrical Connections Wiring Diagram and SchematicSequence of Operation Section IX Operating InstructionsGeneral Instructions To Fill the Water HeaterLighting and SHUT-DOWN Instructions For Your Safety Read Before LightingTemperature Adjustment Water Heater Display and Control Buttons Step To Increase Setpoint TemperatureTo Decrease Setpoint Temperature Changes to C Step Burner Flame Check Section X MaintenanceGeneral Sight Glass Location Maintenance ScheduleSediment and Lime Scale Removal Flushing Water HeaterDraining Water Heater Filling Water HeaterRelief Valve Anode Inspection and ReplacementDrain Valve and Tank Access Panel Combustion System Inspection Vent and AIR Intake SystemSection XI Diagnostic and Troubleshooting Guide Max Setpoint Next to Temperature  Setpoint value Error Code Shown Water Heater Display SELECT No current error codes Max Setpoint Flashes Exiting Service Mode To Display Flame Sense Current of the Pilot Flame Sensor Display of Water TemperatureTo Display and Change Temperature Setpoint To Display and Change Temperature Format ˚F/˚C Changes to C F/C Flashes Symbol Stops Flashing Resetting Error Codes in Soft Lockout Condition How to reset the control from Lockout ConditionsTo view previous error codes Error Code HistoryError Code Index Stored Error Code For Code Index #9 Exiting SELECTService SETMode Page Procedure for Checking Thermostat Sensors EF Series Water Heater Section XII Parts ListCombustion Surround AssemblyIgnition Control Assembly Combustion Assembly pictured previousPage
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EFR160T120, ULTRA HIGH EFFICIENCY GAS WATER HEATER specifications

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