Bard PA13361-B, PA13361-A, PA13241-A, PA13301-A Troubleshooting GE ECM2.3 Motors CONT’D

Page 23

TROUBLESHOOTING GE ECM2.3™ MOTORS CONT’D.

Replacing ECM Control Module

To replace the control module for the GE variable-speed indoor blower motor you need to take the following steps:

1.You MUST have the correct replacement module. The controls are factory programmed for specific operating modes. Even though they look alike, different modules may have completely different functionality.

USING THE WRONG CONTROL MODULE VOIDS ALL PRODUCT WARRANTIES AND MAY PRODUCE UNEXPECTED RESULTS.

2.Begin by removing AC power from the unit being serviced. DO NOT WORK ON THE MOTOR WITH AC POWER APPLIED. To avoid electric shock from the motor’s capacitors, disconnect power and wait at least 5 minutes before opening motor.

3.It is not necessary to remove the motor from the blower assembly, nor the blower assembly from the unit. Unplug the two cable connectors to the motor control assembly. There are latches on each connector. DO NOT PULL ON THE WIRES. The plugs remove easily when properly released.

4.Locate the screws that retain to the motor control bracket to the sheet metal of the unit and remove them. Remove two (2) nuts that retain the control to the bracket and then remove two (2) nuts that retain sheet metal motor control end plate. Refer to Figure 10.

5.Disconnect the three (3) wires interior of the motor control by using your thumb and forefinger squeezing the latch tab and the opposite side of the connector plug, gently pulling the connector. DO NOT PULL ON THE WIRES, GRIP THE PLUG ONLY. Refer to Figure 10.

6.The control module is now completely detached from the motor. Verify with a standard ohmmeter that the resistance from each motor lead (in the motor plug just removed) to the motor shell is >100K ohms. Refer to Figure 11. (Measure to unpainted motor end plate.) If any motor lead fails this test, do not proceed to install the control module. THE MOTOR IS DEFECTIVE AND MUST BE REPLACED. Installing the new control module will cause it to fail also.

7.Verify that the replacement control is correct for your application. Refer to the manufacturer's authorized replacement list.

USING THE WRONG CONTROL WILL RESULT IN IMPROPER OR NO BLOWER OPERATION. Orient the control module so that the 3-wire motor plug can be inserted into the socket in the control. Carefully insert the plug and press it into the socket until it latches. A SLIGHT CLICK WILL BE HEARD WHEN PROPERLY INSERTED.

8.Reverse the steps #5, 4, 3 to reconnect the motor control to the motor wires, securing the motor control cover plate, mounting the control to the bracket, and mounting the motor control bracket back into the unit. MAKE SURE THE ORIENTATION YOU SELECT FOR REPLACING THE CONTROL ASSURES THE CONTROL'S CABLE CONNECTORS WILL BE LOCATED DOWNWARD IN THE APPLICATION SO THAT WATER CANNOT RUN DOWN THE CABLES AND INTO THE CONTROL. DO NOT OVERTIGHTEN THE BOLTS.

9.Plug the 16-pin control plug into the motor. The plug is keyed. Make sure the connector is properly seated and latched.

10.Plug the 5-pin power connector into the motor. Even though the plug is keyed, OBSERVE THE PROPER ORIENTATION. DO NOT FORCE THE CONNECTOR. It plugs in very easily when properly oriented. REVERSING THIS PLUG WILL CAUSE IMMEDIATE FAILURE OF THE CONTROL MODULE.

11.Final installation check. Make sure the motor is installed as follows:

a.Motor connectors should be oriented between the 4 o’clock and 8 o’clock positions when the control is positioned in its final location and orientation.

b.Add a drip loop to the cables so that water cannot enter the motor by draining down the cables. Refer to Figure 12.

The installation is now complete. Reapply the AC power to the HVAC equipment and verify that the new motor control module is working properly. Follow the manufacturer’s procedures for disposition of the old control module.

 

Figure 10

 

Figure 11

 

Control Disassembly

 

Winding Test

 

 

 

Motor Connector

Only remove

 

From Motor

(3-pin)

 

Hex Head Bolts

Push until

 

 

 

 

Latch Seats

 

 

 

Over Ramp

 

 

 

 

 

Circuit

 

 

 

 

Board

 

 

ECM 2.0

 

Motor

 

 

 

 

 

 

 

 

 

 

Motor OK when

Note:

 

 

 

R > 100k ohm

 

 

 

 

Use the shorter

 

 

 

 

bolts and

 

 

 

 

alignment pin

 

 

 

Figure 12

supplied when

 

 

 

 

 

 

 

replacing an

 

 

 

Drip Loop

ECM 2.0

 

Motor Connector

 

 

control.

 

 

 

 

(3-pin)

Back of

Connector Orientation

ECM

Control

Between 4 and 8 o'clock

 

2.3/2.5

Control Connector

 

 

 

 

(16-pin)

 

 

 

 

Power Connector

 

 

 

 

(5-pin)

 

 

 

 

 

 

Drip Loop

Manual

2100-467D

Page

23 of 25

Page 22 Page 24
Image 23
Page 22 Page 24
Contents Installation Instructions Single Package AIR Conditioners Contents For More INFORMATION, Contact These Publishers Getting Other Information and PublicationsGeneral Field Installed Heater Packages OptionalGeneral Instructions Shipping DamageHz Circuit a Electrical SpecificationsVolts Optional Field Installed Electric Heater Table Dimensions of Units Unit Dimension ChartGeneral InstallationTypical Installations LocationSlab Mounting AT Ground Level Airflow and Service Access ClearancesAS Required Elevated Mounting PlatformCondensate Drain Trap Condensate Drain TrapAIR Filters Filter Requirements & SizesThermostats Wiring Main PowerWiring 24V LOW Voltage Control Circuit Transformer TapsLOW Voltage Wiring Low Voltage WiringStart UP Notes Safety PracticesStart UP Topping OFF System ChargeIndoor Blower Motor Three Phase Scroll Compressor Start UP InformationStart UP and Operation Sequence of OperationLOW Ambient Control AdjustmentsFAN Blade Settings Service and TroubleshootingService Hints Pressure Service PortsModel Pressure TableReturn Air Pressure 115 120563 120 125 ModelSuction and Discharge Tube Brazing Brazing DiagramTroubleshooting GE ECM 2.3 Motors Troubleshooting GE ECM2.3 Motors CONT’D Troubleshooting GE X13-SERIES ECM2.3 Motors Troubleshooting GE X13-SERIES ECM2.3 Motors CONT’D

PA13361-B, PA13301-A, PA13241-A, PA13361-A specifications

The Bard PA13361-B, PA13361-A, PA13241-A, and PA13301-A are high-efficiency packaged air conditioning units known for their exceptional performance in residential and commercial settings. These models are designed to provide effective cooling solutions while maximizing energy efficiency and comfort.

One of the standout features of these models is their robust construction, made to withstand varying environmental conditions. The units are engineered with corrosion-resistant materials, making them ideal for both indoor and outdoor applications. This durability ensures that they can operate effectively in diverse climates, providing consistent cooling performance year-round.

The PA13361-B and PA13361-A models are equipped with advanced thermostatic control systems that allow for precise temperature adjustments. This technology enhances user comfort and contributes to energy savings by ensuring the system operates only when needed. Users can easily manage their indoor environment through intuitive controls, making it straightforward to tailor the cooling output to their preferences.

In terms of energy efficiency, these Bard units are designed to operate at low energy consumption levels while delivering powerful cooling capabilities. The integration of high-efficiency compressors and refrigerants contributes substantially to reducing energy costs, making these models an environmentally friendly choice for consumers. With a high Seasonal Energy Efficiency Ratio (SEER), these air conditioning units not only comply with but often exceed industry standards.

The PA13241-A and PA13301-A models introduce enhanced airflow technology, which allows for better air distribution throughout the space. This feature ensures that every corner of the room receives adequate cooling, eliminating hot spots and ensuring comfort for occupants.

Furthermore, the simplicity of installation and maintenance adds to the appeal of these models. Bard units are designed with serviceability in mind, allowing technicians to perform routine maintenance with ease. This accessibility can lead to reduced downtime and enhanced longevity of the equipment.

In summary, the Bard PA13361-B, PA13361-A, PA13241-A, and PA13301-A packaged air conditioning units are robust, efficient, and user-friendly systems. Their advanced features, energy-efficient operation, and durable construction make them a top choice for those seeking reliable cooling solutions in various settings. Whether for residential or commercial use, these models offer performance and comfort that users can depend on.
Top Page Image Contents