Venting INSTALLATION INFORMATION
CDVSC7 & CDV7 Series Gas Fireplace
WARNING
Read all instructions completely and thoroughly before attempting installation. Failure to do so could result in serious injury, property damage or loss of life. Operation of improperly installed and maintained venting system could result in serious injury, property damage or loss of life.
installation precautions
Consult local building codes before beginning the installation. The installer must make sure to select the proper vent system for installation. Before installing vent kit, the installer must read this fireplace manual and vent kit instructions.
Only a qualified installer/service person should install vent- ing system. The installer must follow these safety rules:
•Wear gloves and safety glasses for protection.
•Use extreme caution when using ladders or when on rooftops.
•Be aware of electrical wiring locations in walls and ceilings.
The following actions will void the warranty on your vent- ing system:
•Installation of any damaged venting component.
•Unauthorized modification of the venting system.
•Installation of any component part not manufactured or approved by MHSC.
•Installation other than permitted by these instruc- tions.
| NOTICE | Failure to follow these instructions will |
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| void the warranty. |
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| WARNING | This fireplace must be vented to the |
| outside. The venting system must NEVER | |
| be attached to a chimney serving a | |
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| separate solid fuel burning appliance. |
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| Each gas appliance must use a separate |
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| vent system. Do not use common vent |
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General Venting
Your fireplace is approved to be vented either through the side wall, or vertical through the roof.
•Only MHSC venting components specifically ap- proved and labelled for this fireplace may be used.
•Flexible UL1777 listed venting may be used in any venting application where rigid direct vent components can be used. All restrictions, clearances and allowanc- es that pertain to the rigid piping apply to the flexible venting.
Flex kits may not be modified. Flex kits may be added to the end of a vent run made of rigid vent sections using pipe manufacturer's approved flex to pipe adapt- ers. This may occur only if doing so does not violate any of the venting length, height, routing, horizontal to vertical raito requirements or clearance considerations detailed in this manual.
•Venting terminals shall not be recessed into a wall or siding.
•Horizontal venting which incorporates the twist lock pipe must be installed on a level plane without an in- clining or declining slope.
•Horizontal venting which incorporates the use of flex venting shall have an inclining slope from the unit of 1” (25 mm) per 24” (610 mm).
There must not be any obstruction such as bushes, gar- den sheds, fences, decks or utility buildings within 24” (610 mm) from the front of the termination hood.
Do not locate termination hood where excessive snow or ice build up may occur. Be sure to check vent termina- tion area after snow falls, and clear to prevent accidental blockage of venting system. When using snow blowers, make sure snow is not directed towards vent termination area.
Location of Vent Termination
It is imperative the vent termination be located observing the minimum clearances as shown on following page.
WARNING
Always maintain minimum clearances around vent systems. The minimum clearances to combustibles for horizontal vent pipe are 3" at the top* and 1" at the sides and bottom of the vent system until the pipe penetrates the nearest vertical wall (1" required). A 1" minimum clearance all around the pipe must be maintained at outside wall and on vertical runs. Do not pack the open air spaces with insulation or other materials. This could cause high temperatures and may present a fire hazard.
*Unless the vertical run is 7Z\x feet or higher (top vent units only), the clearances for the horizontal run is 1" at the top.
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