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BASIC TEST PROCEDURE
Portable MAF 23 Version - 0
2. Allow time for overload to reset before attempting to test.
3. Apply ohmmeter probes to terminals on overload wires. There should be continuity
through the overload.
10.1.6 Terminal overload (internal)
Some model compressors are equipped with an internal overload. The overload is
embedded in the motor windings to sense the winding temperature and/or current draw. The
overload is connected in series with the common motor terminal.
Should the internal temperature and/or current draw become excessive; the contacts in the overload
will open, turning off the compressor? The overload will automatically reset, but may require
several hours before the heat is dissipated.
10.1.7 Checking the internal overload
1. No power to unit, remove the leads from the compressor terminals.
2. Using an ohmmeter, test continuity between terminals C-S and C-R. If not continuous,
the compressor overload is open and the compressor must be replaced.
10.2 Sealed refrigeration system repairs
10.2.1 Equipment require
1. Voltmeter
2. Ammeter
3. Ohmmeter
4. E.P.A. Approved Refrigerant Recovery System.
5. Vacuum Pump (capable of 200 microns or less vacuum.)
6. Acetylene Welder
7. Electronic Halogen Leak Detector (G.E. Type H-6 or equivalent.)
8. Accurate refrigerant charge measuring device such as:
a. Balance Scales - 1/2 oz. accuracy
b. Charging Board - 1/2 oz. accuracy
9. High Pressure Gauge - (0 - 400 lbs.)
10. Low Pressure Gauge - (30 - 150 lbs.)
Содержание AWPO-MAF009-C11
Страница 2: ...CONTENTS...
Страница 4: ......
Страница 12: ...DIMENSION Portable MAF 8 Version 0 4 Dimension Unit Dimension W mm H mm D mm Single hole 467 765 397...
Страница 14: ...ELECTRONIC FUNCTION Portable MAF 10 Version 0 6 Wiring Diagram...
Страница 20: ...INTERNAL STRUCTURE Portable MAF 16 Version 0 8 Internal Structure...
Страница 21: ...INTERNAL STRUCTURE Portable MAF 17 Version 0...
Страница 22: ...INTERNAL STRUCTURE Portable MAF 18 Version 0...
Страница 36: ...EXPLODED BIEW AND PART LIST Portable MAF 32 Version 0 SERVICE MANUAL Portable MAF Series...