Friedrich SH20L30-A - Manuals

Page 2 - TABLE OF CONTENTS; PAGE

2 TABLE OF CONTENTS Speciﬁ cations ................................................................................................................................... 3 Performance Data .....................................................................................................................

Page 3 - OPERA

3 EV APORA T O R AIR TEMP . DEG. F EV APORA T OR TEMP . DEG. F CONDENSER TEMP . DEG. F Discharge Te m p Suction Te m p Liquid Te m p Super Heat Sub- Cooling OPERA TING PRESSURES ELECTRICAL RA TINGS R-22 REF . Evap CFM Motor RPM BREAKER FUSE Discharge Air Te m p . Drop F . E(in) E (out) Suction Disch...

Page 4 - FIGURE 1 INTERNAL OVERLOAD; FIGURE 2 COMPRESSOR WINDING TEST; Should continuity exist between terminals; DISCONNECT ELECTRICAL POWER TO THE

4 COMPRESSOR WINDING TEST (Figure 2.) Remove the compressor terminal box cover and disconnect the wires from the terminals. Using an ohmmeter, check continuity across the following: COMPONENT OPERATION AND TESTING COMPRESSORS Compressors are single phase, 208/230 volt. All compressor motors are perm...

Page 5 - FIGURE 3 TYPICAL GROUND TEST; Disconnect power to the unit.; FIGURE 4 FAN MOTOR

5 FAN MOTOR (Figure 4) A 230 volt single phase permanent split capacitor motor is used to drive the evaporator blower and condenser fan. A running capacitor is wired across the start and run terminals of the motor. The motor is totally enclosed and is protected with a line voltage overload located i...

Page 6 - FIGURE 7 RUN CAPACITOR HOOK–UP; THERMOSTAT; For dual rated capacitors, apply an ohmmeter lead; SYSTEM CONTROL SWITCH

6 RED DOT RUN CAPACITOR FANMOTOR COMPRESSOR FIGURE 7 RUN CAPACITOR HOOK–UP CAPACITOR, RUN A run capacitor is wired across the auxiliary and main winding of a single phase permanent split capacitor motor such as the compressor and fan motors. A single capacitor can be used for each motor or a dual ra...

Page 7 - TEST

7 Note: The temperature must be within the range listed to check the thermostat. Refer to the troubleshooting section in this manual for additional information on thermostat testing. TEST Remove the wires from the thermostat. Turn the thermostat to its coldest position. Check to see if there is cont...

Page 9 - HERMETIC COMPONENT REPLACEMENT

9 NOTE: This procedure can be sped up by the use of heat lamps, or by breaking the vacuum with refrigerant or dry nitrogen at 5,000 microns. Pressure system to 5 PSIG and leave in the sys-tem a minimum of 10 minutes. Recover refriger-ant, and proceed with evacuation to a pressure of 200 microns or a...

Page 10 - REFRIGERANT CHARGE; The refrigerant charge is extremely critical. Measure

10 NOTE: All inoperative compressors returned to Friedrich must have all lines properly plugged with the plugs from the replacement compressor. REFRIGERANT CHARGE 1. The refrigerant charge is extremely critical. Measure the charge carefully and as exactly as possible to the nameplate charge. 2. The ...

Page 14 - WIRING DIAGRAM

14 WIRING DIAGRAM MODELS SH15L30-A, SH20L30-A, SH20L50-A

Page 15 - HAZARDGARD CABINET PARTS

Page 16 - HAZARDGARD CHASSIS PARTS

Page 17 - HAZARDGARD PARTS LIST

17 HAZARDGARD PARTS LIST REF DESCRIPTION PART NO# MODELS CODE ELECTRICAL PARTS SH15L30-A SH20L30-A SH20L50-A 1 COMPRESSOR 61193549 1 600 1 COMPRESSOR 61193550 1 600 1 COMPRESSOR 61193565 1 600 2 MOTOR, FAN 61871426 1 110 2 MOTOR, FAN 61871427 1 110 2 MOTOR, FAN 61871450 1 110 5 SWITCH, ON-OFF DPST 6...

Page 20 - Use Factory Certifi ed Parts.; FRIEDRICH AIR CONDITIONING CO.

HG-SVC-PRTS-05 (4-05) Use Factory Certiﬁ ed Parts. FRIEDRICH AIR CONDITIONING CO. Post Office Box 1540 · San Antonio, Texas 78295-15404200 N. Pan Am Expressway · San Antonio, Texas 78218-5212(210) 357-4400 · FAX (210) 357-4480www.friedrich.com Printed in the U.S.A.

Friedrich SH20L30-A - Manuals

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Manual Friedrich SH20L30-A

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Friedrich Manuals