Friedrich SH14J30B-A user manual

User manual for the device Friedrich SH14J30B-A

Device: Friedrich SH14J30B-A
Category: Air Conditioner
Manufacturer: Friedrich
Size: 0.65 MB
Added : 8/26/2013
Number of pages: 20
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Abstracts of contents
Summary of the content on the page No. 1

2002
®
HAZARDGARD
ROOM AIR CONDITIONER
Models
SH14J30B-A
SH20J30B-A
Service & Parts
Manual
AMERICA’S BEST AIR CONDITIONER
HG2002 (02/02)

Summary of the content on the page No. 2

TABLE OF CONTENTS PAGE Specifications.................................................................................................................... 3 Performance Data............................................................................................................. 3 Component Operation & Testing....................................................................................... 4 Compressors .....................................................................................

Summary of the content on the page No. 3

SH14J30B-A SH20J30B-A SPECIFICATIONS BTUH 14000/14000 19000/18800 E.E.R. - Btu/watt 8.0/8.0 8.5/8.5 Volts 230/208 230/208 Hertz/Phase 60/1 60/1 Amperes 7.8/8.5 9.9/10.8 Total Watts 1750/1750 2235/2210 Fuse/Breaker Size 15 20 Fan RPM 1095 1095 Evaporator Air CFM 375 425 Dehumidification-Pts./hr. 4.0 5.7 Width 25-15/16” 25-15/16” Height 15-15/16” 17-15/16” Depth 27-3/8” 27-3/8” Min. Ext. into Room 5-7/8” 5-7/8” Min. Ext to Outside 16-15/16” 16-15/16” Net Weight 129 Lbs. 177 Lbs. Shipping Weight 14

Summary of the content on the page No. 4

COMPONENT OPERATION AND TESTING COMPRESSOR WINDING TEST (See Figure 2.) WARNING Remove the compressor terminal box cover and DISCONNECT ELECTRICAL POWER TO disconnect the wires from the terminals. Using THE UNIT BEFORE SERVICING OR an ohmmeter, check continuity across the TESTING following: COMPRESSORS FIGURE 2 COMPRESSOR WINDING TEST Compressors are single phase, 208/230 volt. All compressor motors are permanent split capacitor type, using only a running capacitor across the start and run te

Summary of the content on the page No. 5

GROUND TEST FAN MOTOR (Figure 4) Use an ohmmeter set on its highest scale. Touch A 230 volt single phase permanent split capacitor one lead to the compressor body (clean point of motor is used to drive the evaporator blower and contact, as a good connection is a must) and the condenser fan. A running capacitor is wired other probe in turn to each compressor terminal. across the start and run terminals of the motor. (See Figure 3.) If a reading is obtained, the The motor is totally enclosed an

Summary of the content on the page No. 6

SYSTEM CONTROL SWITCH CAPACITOR – TEST (Figure 5) 1. Remove the capacitor from the unit. This switch is double pole, single throw. Check for continuity between terminals 2 and 3, and 5 2. Check for visual damage such as bulges, and 6. cracks, or leaks. 3. For dual rated capacitors, apply an ohmmeter FIGURE 5 SWITCH, ON-OFF lead to the common (C) terminal and the other probe to the compressor (HERM) terminal. A satisfactory capacitor will cause a deflection on the pointer, then gradually move b

Summary of the content on the page No. 7

TEST Note: The temperature must be within the Remove the wires from the thermostat. Turn the range listed to check the thermostat. Refer to thermostat to its coldest position. Check to see the troubleshooting section in this manual for if there is continuity between the two terminals. Turn the thermostat to its warmest position. additional information on thermostat testing. Check continuity to see if the thermostat contacts open. (More Follows) 7

Summary of the content on the page No. 8

LOW AMBIENT BY–PASS VALVE SEALED REFRIGERATION SYSTEM REPAIRS EQUIPMENT REQUIRED The HazardGard unit is designed to operate at low outside ambient temperatures. This is 1. Voltmeter accomplished by the use of a bypass valve 2. Ammeter installed in the refrigeration circuit. The valve is 3. Ohmmeter connected between the discharge line at the 4. E.P.A Approved Refrigerant Recovery System compressor and the suction process tube. The 5. Vacuum Pump (capable of 200 microns or valve responds to su

Summary of the content on the page No. 9

10.Evacuate the system to an absolute holding HERMETIC COMPONENT REPLACEMENT pressure of 200 microns or less. The following procedure applies when replacing NOTE: This procedure can be speeded up by components in the sealed refrigeration circuit or the use of heat lamps, or by breaking the repairing refrigerant leaks. (Compressor, vacuum with refrigerant or dry nitrogen at condenser, evaporator, capillary tube, refrigerant 5,000 microns. Pressure system to 5 PSIG leaks, etc.) and leave in the

Summary of the content on the page No. 10

ROTARY COMPRESSOR SPECIAL REFRIGERANT CHARGE TROUBLESHOOTING AND SERVICE 1. The refrigerant charge is extremely critical. Basically, troubleshooting and servicing rotary Measure the charge carefully and as exactly compressors is the same as on the as possible to the nameplate charge. reciprocating compressor with only a few exceptions. 2. The correct method for charging the rotary is to introduce liquid refrigerant into the high side 1. Because of the spinning motion of the rotary, of the system

Summary of the content on the page No. 11

TROUBLESHOOTING PROBLEM POSSIBLE CAUSE TO CORRECT Power disconnected. Check power source. System switch in “Off” position. Set switch correctly. Unit does not Branch circuit fuse blown or Replace fuse, reset breaker. If repeats, check fuse or breaker run. circuit breaker tripped. size. Check for shorts in unit wiring and components. Inoperative system switch. Test for continuity. Loose or disconnected wiring at Check wiring and connections. Connect per wiring diagram. switch. Inoperative swit

Summary of the content on the page No. 12

TROUBLESHOOTING (Continued) PROBLEM POSSIBLE CAUSE TO CORRECT Allow a minimum of two (2) minutes to allow pressures to Compressor attempts to start equalize before attempting to start. before system pressures are Compressor equalized. attempts to Check voltage with unit operating. Check for other appliances Low or fluctuating voltage. start, or runs on the circuit. Unit should be on separate circuit for proper for short voltage, and be fused separately. periods only. Connect per wiring diagra

Summary of the content on the page No. 13

TROUBLESHOOTING (Continued) PROBLEM POSSIBLE CAUSE TO CORRECT Switch (On-Off) Selector Switch Relay Replace selector switch. Replace relay. does not cut fan motor off. PROBLEM POSSIBLE CAUSE TO CORRECT Poor installation. Refer to Installation Instructions for proper installation. Noisy and/or Fan blade striking chassis. Adjust motor mount to attain proper fan blade and blower vibration. wheel clearance. Compressor vibrating. Check for deteriorated compressor grommets, or missing mounting parts

Summary of the content on the page No. 14

WIRING DIAGRAM FOR SH14J30B-A & SH20J30B-A 14

Summary of the content on the page No. 15

HazardGard Cabinet Parts 15

Summary of the content on the page No. 16

HazardGard Chassis Parts 16

Summary of the content on the page No. 17

HAZARDGARD PARTS LIST REF. PART NO. DESCRIPTION APPLICATION SS HH 12 40 JJ 33 ELECTRICAL PARTS 00 BB -- AA 1 611-935-49 Compressor, Tecumseh, 230/208V; 60 Hz 1 Ph, Model AWG5515EXN ...................... 1 1 1 611-935-50 Compressor, Tecumseh, 230/208 V; 60 Hz 1 Ph, Model AWG5519EXN ..................... 1 1 2 618-714-26 Motor, Fan 1/8 HP ......................................................................................................... 1 1 2 618-714-27 Motor, Fan 1/4 HP ..................

Summary of the content on the page No. 18

HAZARDGARD PARTS LIST REF. PART NO. DESCRIPTION APPLICATION SS HH 12 40 CHASSIS PARTS (Cont.) JJ 33 00 BB -- AA 14 618-028-02 Partition, Control Box ......................................................................................................... 1 14 618-043-02 Partition, Control Box ......................................................................................................... 1 15 618-204-00 Bracket, Capacitor Mounting. .....................................................

Summary of the content on the page No. 19

HAZARDGARD PARTS LIST REF. PART NO. DESCRIPTION APPLICATION SS HH 12 40 CHASSIS PARTS (Cont.) JJ 33 00 BB -- AA * 618-092-00 Lever, Fresh Air & Exhaust .................................................................................................. 1 1 * 618-062-00 Connector, Louver ...............................................................................................................2 2 * 618-063-00 Louver, Grille......................................................................

Summary of the content on the page No. 20

Use Factory Certified Parts... Friedrich Air Conditioning Co. 4200 North Pan Am Expressway P.O. Box 1540, San Antonio, Texas 78295-1540, USA Tel. (210) 357/4400 Fax: (210) 357/4480 HG2002 (02/02) Printed in the U.S.A 20


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