Hearth and Home Technologies GO35MTCH, GO40MTCH Negative Pressure, Asphyxiation Risk

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G. Negative Pressure

Negative pressure results from the imbalance of air avail- able for the fireplace to operate properly. Causes for this imbalance include:

•Exhaust fans (kitchen, bath, etc.).

•Range hoods.

•Combustion air requirements for furnaces, water heaters and other combustion appliances.

•Clothes dryers.

•Location of return-air vents to furnace or air conditioning.

•Imbalances of the HVAC air handling system.

•Upper level air leaks: recessed lighting, attic hatch opening, duct leaks.

WARNING

Asphyxiation Risk

This appliance produces carbon monoxide (CO).

•The free opening areas (in square inches) of the chimney damper as shown in the following tables must be met.

•User must make sure damper is locked open.

•The installer is responsible to ensure proper ventilation of flue gases before appliance is used.

Fire needs to draft properly for safe operation.

Table 1 for Factory Built Fireplaces

Free Opening Area (in square inches) of Chimney Damper for

Venting combustion Products from Decorative Appliances for

Installation in Solid Fuel Burning Fireplaces.

Chimney Ht.
(Feet)*	GO 24 & 35	GO 30 & 40
10	not approved	not approved
15	38.5	45.4

20	31.2	37.4
25	27.3	31.2

30	24.6	28.3
35	22.1	25.5
40	20.4	23.8

Table 2 for Masonary Built Fireplaces

Free Opening Area (in square inches) of Chimney Damper for

Venting combustion Products from Decorative Appliances for

Installation in Solid Fuel Burning Fireplaces.

Chimney Ht.
(Feet)*	GO 24 & 35	GO 30 & 40
6	64	71.4
8	59.7	66.9
10	54.3	60.2

15	48.8	54.1
20	44.4	49.1

30	40.3	44.5

*Height is measured from the hearth to the top of the chimney. Minimum height is 6 ft.

Table 3 for Minimum Fireplace Dimensions

	Front			Rear	Natural
Log Set	Opening	Depth	Height	Width	BTU
GO24	32 in.	20 in.	18 in.	21 in.	73,000
GO30	38 in.	20 in.	18 in.	27 in.	80,000
GO35	34 in.	23 in.	22 in.	22 in.	86,000
GO40	40 in.	23 in	22 in.	29 in.	86,000

Hearth & Home Technologies • Grand Oak Match Light Gas Log Sets • 4004-300 Rev D • 05/08

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Contents Commonwealth of Massachusetts What to do if you smell gasModel # Serial # Gas Type Homeowner Reference InformationListing Label Information/Location Fire Risk Exhaust Fumes Risk Design and Installation ConsiderationsTools and Supplies Needed Gas Supply Connection Appliance CertificationGas Pressure Fire Risk Explosion RiskNegative Pressure For Minimum Fireplace DimensionsAsphyxiation Risk For Factory Built FireplacesInspect the Appliance and Components For Natural Gas InstallationFire Risk Explosion Risk Personal Injury Risk Damper Stop Installation InstructionsPossible cures if spilling occurs Inspect the Venting SystemGO24 Grand Oak Series Logs GO24 Grand Oak Series Log Placement Instructions GO30 Grand Oak Series Logs Step GO30 Grand Oak Series Log Placement InstructionsGO35 Grand Oak Series Logs GO35 Grand Oak Series Log Placement Instructions SRV721A SRV721B GO40 Grand Oak Series LogsGO40 Grand Oak Series Log Placement Instructions Lighting Instructions- Match Light For Your Safety Read Before LightingDo not allow soot to build up on the logs Cleaning and Maintenance InstructionsFequently Asked Questions What sort of maintenance do gas logs require?Grand Oak Gas Logs Replacement PartsDescription of Part Qty Decorative GAS LOG Limited Warranty WarrantyDIS CNO