99 PB
COMPONENTS TESTING
Outdoor Fan Motor
1. Outdoor unit fan motor
DC motor
24K : Z WK511A805001
36K/48K/60K: SIC‑71F W‑F8121‑
4. Check outdoor fan connector on driver Board Plug J8 as shown in gure below.
There are 4 wires:
Voltage for Power (Red) to Ground (Black) = 280 VDC
Motor Return Voltage (White) to Ground (Black) = 15VDC
PWM (Yellow) to Ground (Black) = 0-6.5VDC (Oscillating)
Feedback (Blue) to Ground (Black) = VDC (Oscillating)
Figure 603
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