35
FIGURE 42
UPFLOW GROUNDING CONNECTIONS
ELECTRICAL WIRING
TURN OFF ELECTRIC POWER AT
FUSE BOX OR SERVICE PANEL
BEFORE MAKING ANY
ELECTRICAL CONNECTIONS.
FAILURE TO DO SO CAN CAUSE
ELECTRICAL SHOCK RESULTING
IN PERSONAL INJURY OR DEATH.
THE CABINET MUST HAVE AN
UNINTERRUPTED GROUND
ACCORDING TO THE LATEST
EDITION OF THE NATIONAL
ELECTRICAL CODE, ANSI/
NFPA70-, OR IN CANADA, THE
CANADIAN ELECTRICAL CODE,
CSA-C221 OR LOCAL CODES
THAT APPLY. DO NOT USE GAS
PIPING AS AN ELECTRICAL
GROUND. A GROUND SCREW IS
PROVIDED IN THE JUNCTION
BOX. FAILURE TO DO SO CAN
CAUSE ELECTRICAL SHOCK
RESULTING IN PERSONAL
INJURY OR DEATH.
THIS FURNACE IS EQUIPPED
WITH A BLOWER DOOR SAFETY
SWITCH. DO NOT DISABLE THIS
SWITCH. FAILURE TO FOLLOW
THIS WARNING CAN RESULT IN
ELECTRICAL SHOCK, PERSONAL
INJURY OR DEATH.
IMPORTANT: The furnace must be
installed so that the electrical
components are protected from water
(condensate).
Before proceeding with the electrical
connections, be certain that the
voltage, frequency and phase
corresponds to that specified on the
furnace rating plate. For single
furnace application, maximum over-
current protection is 15 amperes.
Use a separate fused branch
electrical circuit containing a properly
sized fuse or circuit breaker. Run this
circuit directly from the main switch
box to an electrical disconnect that is
readily accessible and located near
the furnace. Connect from the
electrical disconnect to the junction
box on the left side of the furnace,
inside the blower compartment. For
FIGURE 41
MANIFOLD PRESSURE READING
!
WARNING
!
WARNING
!
WARNING
JUNCTION
BOX
CONDENSATE
TRAP
GREEN GROUND LEAD FOR
CONTROL BOX COVER
ELECTRIC
CONTROL BOX
COVER
BLOWER
COMPARTMENT
LOW VOLTAGE
TERMINALS
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