25 W. FN25B-PG. YYR25-4A1-PG split AC Indoor Motor: AFTC-ACM-002
Description
Description
This is a Fan Asynchronism Motor designed as an indoor blower motor for residential room air conditioners (commonly used in split AC systems). Here are the exact technical specifications and details extracted from this specific model:
Core Identification & Codes
- Product Part Number: AFTC-ACM-002
- Model Numbers: YYR25-4A1-PG / FN25B-PG / YYR25-4 A1 PG
- Application: Split indoor unit blower/fan motor
- Country of Origin: Made in China
Electrical Specifications
- Voltage: 208–230V AC (Single-phase power supply)
- Frequency: 60 Hz
- Input Power: 25 Watts (Labeled as 35W/18W output/input metrics on the sticker)
- Current Draw: 0.309A / 0.2A
- Poles: 4P (4 Poles)
- Protection Class: IP20 (Protected against solid objects up to 12mm, no water protection)
- Thermal Protection: T.P. (Equipped with internal thermal protection to automatically shut off if over-heated)
- Insulation Class: AO
Wiring & Control System (PG Type)
This motor uses a Pulse Generator (PG) feedback control loop to allow the AC mainboard to monitor and precisely adjust the fan speed. It features two distinct wire wiring harnesses:
- High-Voltage Power Harness (3 Pins):
- White (WH): Line 1 / Neutral
- Black (BK): Connected to the Run Capacitor (Sticker indicates support for a 1.5 μF / 450V or 1.5 μF / 500V capacitor)
- Brown (BN): Line 2 / Live
- Low-Voltage PG Feedback Sensor Harness (3 Small Pins):
- Vcc: Power supply for internal speed sensor (typically 5V DC)
- Vout: Signal output pulse tracking the RPM
- GND: Grounding for the sensor circuit
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