Figure 30 Motor Connections - Bard MULTI-TEC W18AAPA Service Instructions Manual

TROUBLESHOOTING GE X13-SERIES ECM2.3
Model X13 Communication Diagnostics
2. If the motor has proper high voltage and ground at
The X13 motor is communicated through 24 VAC low voltage
the L/L1, G and N/L2 connections, continue with
(Thermostat Control Circuit Wiring).
the Model SelecTech Communication Diagnostics.
1. Start with unit wiring diagram to confirm proper
connections and voltage (see Figure 11).
Model SelecTech Communication Diagnostics
The SelecTech 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 30).
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 always refer to wiring
diagram.)
24VAC Common
24VAC "R" Signal through
thermostat output.
24VAC Common
24VAC "R" Signal through
thermostat output.
Manual 2100-665G
Page 28 of 28
2. Initiate a demand from the thermostat and check the
A. If the low voltage communication is not
voltage between the common and the appropriate motor
present, check the demand from the
terminal (1-5). ("G" input is typically on terminal #1, but
thermostat. Also check the output terminal
refer to wiring diagram!)
and wire(s) from the terminal strip or control
a. If the low voltage communication is not present, check
relay(s) to the motor.
the demand from the thermostat. Also check the
output terminal and wire(s) from the terminal strip or
B. If the motor has proper high voltage as
control relay(s) to the motor.
identified on page 27 (Step 1 in If the Motor
b. If the motor has proper high voltage as identified
Is Not Running), proper low voltage to a
above (Motor not Running #1), and proper low voltage
programmed terminal and is not operating, the
to a programmed terminal, and is not operating, the
motor is failed and will require replacement.
motor is failed, and will require replacement.
FIGURE 30
FIGURE 11
Motor Connections
MOTORS
™
CONT'D.
Manual 2100-467H
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