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Your HOTBLAST Furnace is designed to be a
supplemental or central heating source for your
home. This Solid Fuel Furnace may be installed
in conjunction with a properly operating central
furnace that is listed or certified in accordance
with nationally recognized safety standards and
equipped with the required controls and other
safety features and which has been installed in
accordance with appropriate standards of the
National Fire Protection Association with installa-
tion clearances specified in the furnace nameplate
marking. The installation must be accomplished
by a qualified agency (one who is engaged in,
and is responsible for, or is thoroughly familiar
with the installation and operation of the gas, oil,
and solid fuel burning heating appliances, who
is experienced in such work, familiar with all the
requirements of the authority having jurisdiction.)
The installation shall be in strict accordance with
the manufacturer's installation instructions fur-
nished with the solid fuel furnace.
The chimney connector of the furnace is to be
installed to provide clearances to combustible
material not less than specified in the individual
classifications and marked on the furnace. The
chimney connector must be connected to a chim-
ney suitable for use with residential type or building
heating appliances which burn solid fuel.
The Furnace is designed to operate in either paral-
lel or series air flow arrangement with the central
furnace or as a central furnace.
CENTRAL FURNACE INSTALLATION:
As a central furnace, the unit functions indepen-
dently of any other system. The blower will come
on when the plenum temperature reaches the
setting on the blower control.
HOW THE FURNACE FUNCTIONS
PARALLEL INSTALLATION: (U.S. ONLY)
The design is such that when the blower comes
on, the blower on the central system also comes
on. The blower will only come on when the tem-
perature in the plenum has reached the setting
on the blower control. This is to insure that there
is sufficient warm air in the system to make it ef-
ficient for the unit to operate. When the central
system thermostat calls for heat, the central system
will operate by the burner igniting and the blower
coming on. It is possible that both systems will
operate simultaneously. It is recommended that
for the most efficient use of your HOTBLAST Fur-
nace, that it be fired as much as possible in order
to reduce the demand on your existing central
heating system. This unit has an optional forced
draft kit that operates from a wall thermostat.
When the temperature falls below the setting on
the wall thermostat, the forced draft will come on
(U.S. Stove Option 11/DIKL)
The warm air supply outlet of the HOTBLAST
Furnace shall not be connected to the cold air
return of the central furnace, because the possi-
bility exists of components of the central furnace
overheating and causing the central furnace to
operate other than is intended.
SERIES INSTALLATION:
This type of installation uses only the blowers of
the existing central furnace. The solid fuel fan/
limit control must also control the functions of the
existing furnace. All electrical power must come
from a single branch circuit.
