WINCHESTER
BY
MORTEX
PRODUCTS
INC
FORT
WORTH,
TX
76106
Page
14
SECTION VIII: MOTOR, BLOWER AND
FURNACE STARTUP SECTION
Selecting the X-13 Blower Speed
This furnace uses the new X-13 high efficiency motor. This
motor operates on 240 VAC. The motor speed tap are 24
VAC, 0.03 amps, 60 Hz, 1 PH. The speed taps can be changed
by removing the black wire from the sequencer terminal or the
red wire from the relay terminal and connecting either the
blue, orange, or purple wire to the terminal. Table 12 shows
the X-13 motor lead connection labeling and the connection
definitions.
Terminal
Connection
C
Speed
Tap
Common
‐
24
VAC
Common
L
Supply
Voltage
to
Motor
‐
240
VAC
Line
1
G
Ground
Connection
N
Supply
Voltage
to
Motor
‐
240
VAC
Line
2
1
Low
Speed
Tap
‐
24
VAC
2
Med
‐
Low
Speed
Tap
‐
24
VAC
3
Medium
Speed
Tap
‐
24
VAC
4
Med
‐
High
Speed
Tap
‐
24
VAC
5
High
Speed
Tap
‐
24
VAC
Table 12: X-13 Motor Terminal Connections
Total 24 VAC circuit amps are 0.14 amps.
.
Change Motor Speeds
1.
Turn off
all
electrical supply circuits to the furnace at
the main service (House Circuit Breaker) panel.
2.
Remove furnace front door and switch furnace circuit
breaker(s) to “OFF”.
3.
Disconnect the wire from the sequencer or relay
terminal and reconnect the desired wire to the
terminal. Refer to Table 12 for speed tap wire colors.
4.
Turn the circuit breakers on and reinstall furnace
front door.
5.
Turn on
all
electrical supply circuits to the furnace at
the main service (House Circuit Breaker) panel.
Figure 23: X-13 Motor Terminals
Replacing the Blower Motor
1.
Turn off all electrical supply circuits to the furnace at
the main service panel.
2.
Remove furnace front door and switch furnace circuit
breaker(s) to “OFF”.
3.
Disconnect the plastic wire plug that has the wires
that go to the motor terminals from the right side of
the control box.
4.
Remove the screw on the right side of the blower
mounting plate.
5.
Slide the blower out of the blower compartment and
set on the floor.
6.
Remove the wires from the terminals. Be sure to
write down the motor terminal identifier and wire
color so the wires do not get mistakenly placed on the
wrong terminals.
7.
Remove the blower motor from the mounting bracket
by removing the screws on the sides of the blower
that secure the blower to the bracket.
8.
Insert the new blower motor into the blower
mounting bracket and insert the screws.
9.
Connect the wires to the same terminals on this motor
that they were connected to on the motor that was
removed.
10.
Slide the blower assembly into the blower deck and
insert the screw on the right side of the mounting
bracket.
11.
Connect the pin plug to the mating pin plug on the
right side of the control box.
12.
Switch the circuit breakers to ON and replace furnace
front door.
13.
Turn on all electrical supply circuits to the furnace at
the main service (House Circuit Breaker) panel.
14.
Set the thermostat to the desired temperature.
To avoid personal injury or property damage, make certain
that the motor leads cannot come into contact with non-
insulated metal components of the unit.
