8/5/2023 0 Comments Emc motors wiring diagram hvacIf the voltage is within ± 10% of these ratings then move on to the next step. If this voltage is missing, fix the problem in the system and try to run the motor. On 115vac systems, make sure the polarity or the power connected to the motor is correct. Applying incorrect high voltage to the X13 motor may cause the motor to not operate, or even damage the motor. There should be 115vac or 230vac, depending on the model, between these two terminals whenever there is power to the system, regardless of a demand call. – Checking the High voltage input : First check the high voltage to terminals (L) and (N). There are two inputs needed to operate this motor, (1) a high voltage constant power source, and (2) the communication that selects the torque value (cfm) in each tap per demand. Always disconnect the power to the HVAC system before disconnecting or reconnecting any connectors to these motors. If the motor is not running, the following checks will diagnose whether it is a good or bad motor. Check the system static pressure and make repair(s) if it is above the manufacturer’s recommended maximum level. Check the air distribution system components for dirty components and closed dampers, registers and grilles. Check the tap selections using the manufacturer’s guide for cfm vs. The problem is most likely external to the motor. If the motor is runningbut the system is noisy, shutting down on its limits or safeties or the evaporator coil is freezing, there is a good chance the motor is good. ( When all else fails, read the instructions). The unit’s manuals will typically be required for these settings and can also provide valuable sequence of operation and troubleshooting help. On X13 motor systems (as with any blower) it’s also a good practice to check the tap (speed) selections and delay (both on delay, if available, and off delay) settings on the control board. Now that you understand what it is, now we can discuss how to properly troubleshoot the X-13 motor.īefore troubleshooting any HVAC system, it’s a good practice to become familiar with the components and wiring diagram, check for and follow any on board diagnostics (fault codes in the manufacturer’s control board). Manufacturer part number is CFW501A01P6T4NB20C3.In a previous post, I explained what an X-13 (constant torque) motor is and how they operate. Terms and Conditions apply, registration process is required. Mounting: DIN (35mm rail) or via 4 x M4 Fixings at rear on 175mm x 50mm centresĮxtended Warranty Available: When purchased with a WEG W22 Motor (see linked products below) the warranty for the motor and the AC Inverter can be extended to 3 years. Ventilation space: 10mm Side, 15mm above 40mm below, at sides: 30mm. Input Voltage: 380-480V Three Phase +10% -15% at 50-60Hz (48-62Hz)ĮMC Compliance: Internal Filter fitted to IEC EN61800-3 Category C3 (Industrial) Can be disconnected if required. IP20īraking: Not available DC Terminals not fitted.Ģ Analogue Input, 4 Digital Inputs, 1 Analogue Output, 1 Digital Output, 2 Relay Contact sets (1 x NO, 1 x NC).Ĭomms: 2 x RS485 (Twin Wire) for Modbus RTU, BACnet MS/TP, Metasys NS Communications and PC Programming using Superdrive G2 software. Size A: 189mm (High) x 75mm (Wide) x 150mm (Deep). HMI can display meaningful units as an alternative to Hz.Short Cycle Protection - Limits Start Ups.Energy Savings - Flux Reduction Capability.Broken Belt / Dry Pump - Identifies no load conditions.
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