2.0 Important safety information
•WARNING – BA IC AFETY WARNING
The initial electrical connection and subsequent service MUST be done b a qualified electrician in
accordance with this manual AN ELECTRICAL CO ES HAVING JURIS ICTION IN YOUR AREA.
This unit is intended and approved for use with heating ducts. Use without ducts will result in untested
operation that could result in propert damage, accident or DEATH.
Disconnect power to the unit before doing an service on the unit. The t pe of voltage and current used in
this furnace are enough to cause serious injur and/or DEATH.
This furnace is not approved or intended for use outside. Use outside voids the warrant .
Do not store gasoline, fuel or an flammable substances near the furnace.
Ask the installer to show ou the location of the main disconnect breaker of the furnace.
WARNING – BE T PRACTICE FOR OPTIMAL OPERATION
Make sure that the air filter is alwa s clean and in good working condition and not overl obstructed. An
obstructed air filter will result in reduced air flow and higher outlet temperature. Continued operation WITH
THE FILTER CLOGGED will drasticall reduce the life of the heating elements.
The unit must be inspected once a ear b a qualified technician.
Make sure that ou have enough clearance in the front and the rear of the unit for service and maintenance.
Although the unit is approved for zero clearance on these panels, it is definitel NOT a good practice to do it.
3.0 Installation of the furnace
The return air/ inlet connection is made on the rear of the unit and the suppl plenum is connected in the front of the
unit. The flanges supplied with the cabinet are 19” X 19” and can accommodate plenums of that size. The cabinet is also
large enough so 20” X 20” suppl plenums could be attached directl on the furnace. See Figure 1 for details. The unit is
approved for installation with zero clearance on all parts of the cabinet including the floor (combustible floor) and also
with zero clearance on the walls of the suppl plenum. The unit can be installed directl on the floor, on the adjustable
legs (included) or suspended to the ceiling with “plumber” straps. Please see figure 2A, 2B and 2C for the different
installation configurations. Make sure to leave sufficient clearance in the front of the unit for the electrical connections
and electrical service and in the rear of the unit for blower and motor maintenance and service. Please note that the air
filter rack can be installed on the right or left side of the unit in addition to the rear (factor position). To change the
filter rack position, refer to fig. 3.
