Desa Tech CHDV37P, CHDV41P, CHDV41N, CHDV37N installation manual General Venting

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CHDV37N/P AND CHDV41N/P

DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP)

GENERAL VENTING Continued

N

N

D

E V

B L

 

C

 

 

Fixed

V

 

Closed

 

 

F

Openable

 

V

 

B

Openable Fixed

Closed

H

V

B

I

G

B

B

V J X

G

A

M

V

K X

V

G V A

V TERMINATION CAP

X AIR SUPPLY INLET

G

GAS METER

 

RESTRICTED AREA (TERMINATION PROHIBITED)

A= clearance above grade, veranda, porch, deck, or balcony [*12 inches (305mm) minimum]

B= clearance to window or door that may be opened

[12 inches (305mm) minimum]

C = clearance to permanently closed window [minimum 12 inches (305mm) recommended to prevent condensation on window]

D = vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 24 inches (610mm) from the center-line of the terminal [18 inches (457mm) minimum]

E= clearance to unventilated soffit [12 inches (305mm) minimum]

F= clearance to outside corner (see below)

G= clearance to inside corner (see below)

H= *not to be installed above a meter/regulator assembly within

36 inches (914mm) horizontally from the center-line of the regulator

I= clearance to service regulator vent outlet [*72 inches (1829mm) minimum]

J= clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other fireplace [*12 inches (305mm) minimum]

K= clearance to a mechanical air supply inlet [*72 inches (1829mm) minimum]

L= † clearance above paved side-walk or a paved driveway located on public property [*84 inches (2133mm) minimum]

M= clearance under veranda, porch, deck [*12 inches (305mm) minimum ‡]

N= clearance above a roof shall extend a minimum of 24 inches (610mm) above the highest point when it passes through the roof surface and any other obstruction within a horizontal distance of 18 inches (457mm)

† vent shall not terminate directly above a side-walk or paved driveway which is located between two single family dwellings and serves both dwellings*

‡ only permitted if veranda, porch, deck or balconey is fully open on a minimum of 2 sides beneath the floor*

* as specified in CAN/SGA B149 (.1 or .2) Installation Codes (1991) for Canada or for U.S.A. installation follow the current National Fuel Gas Code, ANS Z223.1

Note: Local codes or regulations may require different clearances

Termination Clearances for Buildings with Combustible and Noncombustible Exteriors

Inside Corner

A

 

A = 6" (152mm)

 

V

Outside Corner

V

B B = 6" (152mm)

Recessed Location

D

C

C

E

V

Balcony with No Side Wall

G

V

G = Combustible 24" (610mm) Noncombustible 18" (457mm)

Balcony with Perpendicular Side Wall

H

V

J

Combustible &

Noncombustible

H = 24" (610mm)

J = 20" (508mm)

C = Maximum depth of 48" (1219mm) for recessed location

D = Minimum width for back wall of recessed location - Combustible - 38" (965mm) Noncombustible - 24" (610mm)

E = Clearance from corner in recessed location- Combustible - 6" (152mm) Noncombustible - 2" (51mm)

Figure 8 - Minimum Clearances for Vent Terminations

6

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Contents For Your Safety For Your Safety What to do if YOU Smell GASCHDV37N, CHDV37P CHDV41N, and CHDV41P Safety Information CHDV37N/P and CHDV41N/PLocal Codes Product FeaturesProduct Identification Glossary TermsClearances PRE-INSTALLATION PreparationLocation and Space Requirements Framing and FinishingPRE-INSTALLATION Preparation General Venting Location of Vent TerminationGeneral Venting Installation Planning Venting InstallationInstallation Precautions Installing Vent System in a ChaseInstallation for Horizontal Termination Snorkel TerminationVent Pipe Connections Horizontal Termination Configurations Horizontal VentingVenting with Two 90 Elbows Installation for Vertical Termination Flat Ceiling InstallationCathedral Ceiling Installation Vertical Termination Configurations Venting with One 90 ElbowVertical Rigid Venting Configuration Using Two 90 Elbows Vertical VentingComfort Glow Rigid Venting High Altitude InstallationParts Lists for Venting Kits and Components Comfort Glow Flexible VentingInstalling GA3750/CDA3620T Blowers Fireplace InstallationInstalling Optional Blower Accessory Check GAS TypePlug in blower power cord Installing GAS Piping to Fireplace Location Installation Items NeededPressure Testing Gas Supply Piping System Connecting Fireplace to GAS SupplyInstallation Items Needed Checking GAS ConnectionsPressure Testing Fireplace Gas Connections Close manual shutoff valve see Fig- ureIncluded Installing Battery into Receiver Installing Optional Wall Mounted Thermostat GWMT1Wireless HAND-HELD Remote Control Accessory Ghrct Installing 9-Volt Battery in Hand- Held Remote Control UnitREMOVING/REPLACING Glass Door Attaching Magnetic Decorative Brass StripsInstalling Optional Brick Liner CD8037/CD8041 Installing LOGS, Lava Rock and Glowing Embers Fireplace Models CHDV37N/P and CHDV41N/POperating Fireplace For Your Safety Read Before LightingManual Lighting Procedure Lighting InstructionsOperating Optional Blower Accessory HAND-HELD Remote OperationOperating Optional GWMT1 Wall Mounted Thermostat Pilot AssemblyInspecting Burners Burner Flame PatternPilot and Burners Cleaning and MaintenanceGlass Door LogsTroubleshooting Observed Problem Possible CauseObserved Problem Possible Cause Remedy Gas leak. See Warning statement AboveTechnical Service Replacement Parts Wiring DiagramService Hints Parts Under WarrantyManual Blower KIT GA3750 SpecificationsAccessories THERMOSTATICALLY- Controlled Blower KIT CDA3620TIllustrated Parts Breakdown CHDV37N CHDV41NParts List DIRECT-VENT Fireplace CHDV37N CHDV41NCHDV37P CHDV41P DIRECT-VENT Fireplace CHDV37P and CHDV41P Warranty Information
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