507277-02
Page 33 of 52
Issue 1621
Electrical
ELECTROSTATIC DISCHARGE (ESD)
Precautions and Procedures
The unit is equipped with a field makeup box on the left hand
side of the cabinet. A field-provided make-up box can be
installed on the exterior of the right side of the furnace to
facilitate installation. Seal unused openings on left side with
plugs removed from right side. Secure the excess wire to
the existing harness to protect it from damage.
Refer to Figure 49 for field wiring and Figure 48 for schematic
wiring diagram and troubleshooting.
The power supply wiring must meet Class I restrictions.
Protected by either a fuse or circuit breaker, select circuit
protection and wire size according to unit nameplate.
NOTE:
Unit nameplate states maximum current draw.
Maximum Over-Current Protection allowed is 15 AMP.
Holes are on both sides of the furnace cabinet to facilitate
wiring.
Install a separate (properly sized) disconnect switch near
the furnace so that power can be turned off for servicing.
Before connecting the thermostat or the power wiring, check
to make sure the wires will be long enough for servicing at
a later date. Make sure that thermostat wire is long enough
to facilitate future removal of blower for service.
Complete the wiring connections to the equipment. Use the
provided unit wiring diagram and the field wiring diagram
shown in Figure 49. Use 18 gauge wire or larger that is
suitable for Class II rating for thermostat connections.
Electrically ground the unit according to local codes or,
in the absence of local codes, according to the current
National Electric Code (ANSI/HFPA No. 70) for the USA
and current Canadian Electric Code Part 1 (CSA standard
C22.1) for Canada. A green ground wire is provided in the
field makeup box.
NOTE:
The gas furnace contains electronic components
that are polarity sensitive. Make sure that the furnace is
wired correctly and is properly grounded.
Accessory Terminals
One line voltage “EAC” 1/4” spade terminal is provided on
the furnace control board. Any accessory rated up to one
amp can be connected to this terminal with the neutral leg
of the circuit being connected to one of the provided neutral
terminals. If an accessory rated at greater than one amp is
connected to this terminal, it is necessary to use an external
relay. See Figure 51 for control board configuration. This
terminal is energized when the indoor blower is operating.
Figure 46
Interior Make-Up Box
(Factory - Installed Left Side)
MAKE−UP
BOX INSIDE
CABINET
Left side
Figure 47
Exterior Make-Up Box
(Field Provided Right Side)
MAKE−UP
BOX
OUTSIDE
CABINET
Right Side
Electrostatic discharge can affect
electronic components. Take precautions
to neutralize electrostatic charge by
touching your hand and tools to metal
prior to handling the control.
CAUTION
Содержание 95G1DFE
Страница 29: ...507277 02 Page 29 of 52 Issue 1621 Figure 43 Trap Drain Assembly Using 1 2 PVC or 3 4 PVC ...
Страница 35: ...507277 02 Page 35 of 52 Issue 1621 Typical Wiring Diagram Figure 50 For A95DF1E 95G1DFE ...
Страница 46: ...507277 02 Page 46 of 52 Issue 1621 Troubleshooting Heating Sequence of Operation ...
Страница 47: ...507277 02 Page 47 of 52 Issue 1621 Troubleshooting Heating Sequence of Operation continued ...
Страница 48: ...507277 02 Page 48 of 52 Issue 1621 Troubleshooting Cooling Sequence of Operation ...
Страница 49: ...507277 02 Page 49 of 52 Issue 1621 Troubleshooting Continuous Fan Sequence of Operation ...