52C,P
SERIES
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| SYMPTOM |
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POSSIBLE CAUSE | Motor Hums | Makes No Noise | Starts But | Starts | Runs On | |
But Does | and Does Not | Stops After | But Runs | One Speed, | ||
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| Not Start | Start | Short Time | Slow | Not On Others | |
DEFECTIVE BEARING | X |
| X | X |
| |
CAPACITOR DEFECTIVE | X |
| X |
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| |
SWITCH DEFECTIVE |
| X |
|
| X | |
LOW LINE VOLTAGE | X |
| X | X |
| |
SHORTED MOTOR WINDING | X | X |
|
| X | |
NO POWER TO UNIT |
| X |
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| |
INTERNAL THERMOSTAT OPEN |
| X |
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| |
MISWIRED | X | X | X |
| X | |
FAN STUCK | X |
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|
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BROKEN MOTOR WIRE | X | X | X |
| X | |
MOTOR WINDING GROUNDED | X | X |
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OPEN MOTOR WINDING | X | X | X |
| X |
FIGURE 56 — FAN MOTOR TROUBLESHOOTING CHART
TYPICAL 208/230 VOLT MOTORS
UNIT 52C,P (BTUH) | 7,000/9,000 | 12,000/15,000 | |
CARRIER MOTOR PART NUMBER | HC37GE237 | HC37GE238 | |
MANUFACTURER’S | 5KCP29ECA299A | 5KCP29ECA301 | |
PART NUMBER | |||
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| ||
MOTOR VOLTAGE | 208/230 | 208/230 | |
MOTOR HORSEPOWER | .075 | .125 | |
MOTOR SPEEDS | 2 | 2 | |
RESISTANCE (OHMS) | 101.4 | 90 | |
BLACK TO WHITE WIRE | |||
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| ||
RESISTANCE (OHMS) | 45.8 | 71 | |
BLACK TO BROWN WIRE | |||
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RESISTANCE (OHMS) | 38.8 | 32.9 | |
BLACK TO RED WIRE | |||
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NOTE: Resistance values are approximate. |
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TYPICAL 265 VOLT MOTORS
UNIT 52C,P (BTUH) | 7,000/9,000 | 12,000/15,000 | |
CARRIER MOTOR PART NUMBER | HC29GE236 | HC33GE239 | |
MANUFACTURER’S | 5KCP29FCA315 | 5KCP29FCA316 | |
PART NUMBER | |||
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| ||
MOTOR VOLTAGE | 265 | 265 | |
MOTOR HORSEPOWER | .075 | .125 | |
MOTOR SPEEDS | 2 | 2 | |
RESISTANCE (OHMS) | 144.0 | 83.7 | |
BLACK TO WHITE WIRE | |||
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RESISTANCE (OHMS) | 29.3 | 39.1 | |
BLACK TO BROWN WIRE | |||
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RESISTANCE (OHMS) | 82.1 | 45.2 | |
BLACK TO RED WIRE | |||
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NOTE: Resistance values are approximate. |
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FIGURE 57 — TYPICAL 52C,P FAN MOTORS
30
