Installation - Desa VH Series Stove"VICTOR HEARTH" Owner's Operation And Installation Manual

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ventinG ProBLems
Continued
Lateral Run
Lengthy horizontal or non-vertical runs
cause resistance to flow and may reduce
draft enough to cause spillage. The pitch of
lateral runs can also be a problem; lateral runs
should be pitched 1/4" rise per foot of horizon-
tal run from the appliance to the vent.
Elbows
Too many elbows cause excessive restriction
of flow and may result in spillage. Usually,
two 90º turns can be tolerated in a properly
sized venting system. More than two may
cause problems and necessitate changing
the system.
Negative Pressure in the Dwelling
An extremely tight house may not supply
adequate combustion and venting air. Use
of mechanical exhaust such as a dryer vent
or range vent may worsen the problem. An
air exchange system must be installed in the
dwelling to correct this problem.
Flue Gas Cooling
Venting exposed to extremely cold tempera-
tures or venting of single wall construction
loses heat needed to maintain draft; massive
masonry chimneys absorb needed heat. If the
flue gases cool excessively, draft is reduced
and spillage may result. Use proper materi-
als, insulate and protect properly, reline when
necessary.
Down Drafts
In certain wind conditions and in certain rela-
tionships with nearby structures and objects,
high pressure conditions may affect draft
negatively. Relocate the vent cap, raise its
height, or use an approved high wind cap.
16
NOTICE: This burner system
is intended for use as supple-
mental heat. Use this burner
system along with your primary
heating system. Do not install
this stove and burner system
as your primary heat source.
If you have a central heating
system, you may run system's
circulating blower while using
heater. This will help circulate
the heat throughout the house.
In the event of a power outage,
you can use this burner system
as your primary heat source.
CHECK GAS TYPE
Use proper gas type for the burner system unit
you are installing. If you have conflicting gas
types, do not install burner system. See dealer
where you purchased the stove and burner
system for proper burner system according
to your gas type. Conversion kits are also
available for these models, see Accessories
on page 33.
IMPORTANT: If installing gas conversion kit, do
so at this time. Be sure to follow all installation
instructions included with conversion kit.
INSTALLING GAS PIPING TO STOVE
LOCATION
staller or service person must
connect burner system to gas
supply. Follow all local codes.
units, never connect burner
system directly to the propane/
LP supply. This burner system
requires an external regulator
(not supplied). Install the external
regulator between the burner
system and propane/LP supply.
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WARNING: A qualified in-
CAUTION: For propane/LP
112127-01C