Operating instructions

75D0004 7
MLDV Series Gas Fireplace

D. Attaching exible venting to vertical termination
assemblies.
1. When using Simpson pipe, an MHSC ex-to-pipe
adapter and/or rigid pipe section(s) is required to
connect the exible vent assembly to the verti-
cal termination by using three self-penetrating
screws.
. Review Figure 39 and corresponding instruc-
tions for proper overlap, clamp and screw place-
ment.
3. Three each self-penetrating screws are drilled
opposite one another and below the gear
clamp.
4. Use only listed and approved terminations and
accessories, installed per the installation instruc-
tions and Figure 38.
Termination
Cap
Storm Collar
Roof Support
Flashing
Rigid Pipe
Length
Flex to Pipe
Adapter
Firestop
UL1777 Flex
PIpe
Figure 38 -
Typical Vertical Flex Vent Installation
FP1975
pipe connection
Screws
(3 Places
equidistant
just above
gear clamp)
Rigid Pipe Length
Flex to Pipe Adapter
Gear Clamp
1C\v" Flexible Pipe and Adapter
Outer Collar Overlap
UL1777 Flex Vent
Figure 39 -
Typical Pipe Connection
Gear
Clamp
FP1976
horizontal flex
Screws
(3 Places equidistant just
above gear clamp)
Gear Clamp
UL1777 Flex Vent
1C\v" Flexible Pipe and
Collar Overlap
MHSC Horizontal
Vent Termination
Figure 40 -
Typical Horizontal Flex Vent Installation
DVFF8A/8 5" x 8" to
5" x 8" Flex Adapter
FP1974
E. Installing exible venting to horizontal termination
assemblies.
1. Connect the 5" exible vent to the horizontal
termination as in Figure 40.
. Connect the 8" exible vent to the termination
ring as in Figure 40.
3. Review Figure 40 for proper overlap and clamp
placement.
4. Three each self-penetrating screws are drilled
opposite one another and below the gear lamp.
5. Use only listed an approved terminations and
accessories, installed per the termination instruc-
tions and Figure 40.