Bard Single Package air Conditioners PA13241-A - Manual (Page 25)

Manual 2100-467D
Page 25 of 25
FIGURE 14
TROUBLESHOOTING GE X13-SERIES ECM2.3
™
MOTORS
CONT’D.
Model X13 Communication Diagnostics
The X13 motor is communicated through 24 VAC low voltage
(Thermostat Control Circuit Wiring).
1. Start with unit wiring diagram to confirm proper connections
and voltage (see Figure 14).
2. Initiate a demand from the thermostat and check the voltage
between the common and the appropriate motor terminal (1-5).
("G" input is typically on terminal #1, but refer to wiring
diagram!)
a.If the low voltage communication is not present, check the
demand from the thermostat. Also check the output
terminal and wire(s) from the terminal strip or control
relay(s) to the motor.
b.If the motor has proper high voltage as identified above
(Motor not Running #1), and proper low voltage to a
programmed terminal, and is not operating, the motor is
failed, and will require replacement.
24VAC "R" Signal through
thermostat output.
24VAC Common
24VAC Common
24VAC "R" Signal through
thermostat output.