57D0016
IDV380/IDV490 Fireplace Insert
11
Consult local building codes before beginning the instal-
lation. The installer must make sure to select the proper
vent system for installation. Before installing vent kit,
the installer must read this insert manual and vent kit
instructions.
Only a qualified installer/service person should install
venting 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
ceiling.
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 manufac-
tured or approved by MHSC.
• Installation other than permitted by these instruc-
tions.
Figure 6
• The exhaust vent must reline the entire length of
chimney and terminate above chimney top.
• Vent must meet all vent manufacturer's requirements
when installed.
• Make sure you have the following before installing
unit:
• 3" and 3" UL 1777 Listed gas liner for air inlet and
exhaust.
• Vertical termination kit (AI31TK33A)
• 4" and 3" UL 1777 Listed gas liner for air inlet and
exhaust.
• Vertical termination kit (AI4TK43A)
FP2625
typical venting
Exhaust
Inlet
Maximum 1"
(305 mm) Offset at
Base of Insert
Maximum
Height
40' (1.9 m)
Minimum
Height
10' (3 m)
FP65
Figure 7 -
Venting Unit