Friedrich ZQ05B10 User Manual

Room Air ConditionerService and PartsManualZStar®ZQ05/ZQ07 (06/05)ZQ05B10 ZQ07B10

2.4.2 EVAPORATOR/CONDENSER1. Remove the cabinet.2. Discharge the refrigerant by using a refrigerantrecovery system.3. Remove the air guide upper. (Ref

—11—Equipment needed: Vacuum pump, charging cylinder, manifold gauge, brazing equipment, pinch-off tool capableof making a vapor proof seal, leak dete

—12—3. TROUBLESHOOTING GUIDE3.1 OUTSIDE DIMENSIONS (unit: mm [in]) 370 (14 9/16")312 (12 1/4")370 (14 9/16")312 (12 1/4")29 (1 5/3

—13—3.2 PIPING SYSTEMFigure 22 is a brief description of the important components and their function in what is called the refrigerationsystem. This w

—14—3.3 TROUBLESHOOTING GUIDE In general, possible trouble is classified in two categories. The one is called Starting Failure which is caused by an e

—15—Fails to Start Improper thermostat setting Loose terminal connection Improper wiring Check power source. Drop of power voltage. Capacitor check.

—16—ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 115V ± 10% 103.5V 126.5V COMPLAINT CAUSE REMEDY Fan motor will not run.

—17—COMPLAINT CAUSE REMEDY Fan motor noise. Fan If cracked, out of balance, or partially missing, replace it. Blower If cracked, out of balance,

—18—COMPLAINT CAUSE REMEDY Compressor cycles on Fan motor If not running, determine the cause. Replace if overload. required. Condenser air flow R

—19—4. CIRCUIT DIAGRAM 126753854AR2330ACOMP.MOTORROCKER SWITCHYL BRTHERMOSTATOLPBRRBLRDBKOR(BR)CAPACITORFHCYLROTARY SWITCH2H L M BK BR RD BLBK POWER I

—2—CONTENTS 1. PREFACE ...

—20—5. EXPLODED VIEW152302149410147581147582-2147582-1135313352390135312130410359012W48602354210349480352380149980559011346811554030W48602130910266003

—21—6. SERVICE PARTS LIST • ZQ05B10 . ZQ07B10 Loc No FRIEDRICH Description130410 67302921 BASE ASSEMBLY,WELD[SINGLE]130910 67303709 CABINET ASSEMBLY,S

Loc No FRIEDRICH Description130410 67302921 BASE ASSEMBLY,WELD[SINGLE]130910 67303709 CABINET ASSEMBLY,SINGLE135312 67306003 GRILLE ASSEMBLY,FRONT(SIN

—23—MEMO

Post Office Box 1540 • 4200 N. Pan Am Expressway • San Antonio, Texas 78295-1540 • (210) 357-4400 • FAX (210) 357-4490FRIEDRICH AIR CONDITI

—3—1. PREFACE This service manual provides various service information, including the mechanical and electrical parts, etc. This room air conditioner

—4—1.3 LOCATIONS OF CONTROLS 1.4 SAFETY PRECAUTIONS 1. When servicing, set the ROTARY SWITCH to Off and unplug the power cord. 2. Observe the original

—5—2. DISASSEMBLY INSTRUCTIONS 2.1 MECHANICAL PARTS 2.1.1 FRONT GRILLE 1. Disconnect the unit from source of power.2. Remove the two knobs by pulling

—6—2.2 AIR HANDLING PARTS 2.2.1 AIR GUIDE UPPER 1. Disconnect the unit from the power source.2. Remove the front grille. (Refer to Section 2.1.1)3.

—7—2.2.3 MOTOR1. Disconnect the unit from the power source.2. Remove the front grille. (Refer to Section 2.1.1)3. Remove the cabinet. (Refer to Sectio

—8—2.3.2 COMPRESSOR 1. Remove the front grille and cabinet. (Refer to Section 2.1) 2. Discharge the refrigerant by using a refrigerantrecovery system.

—9—2.3.6 POWER CORD1. Disconnect the unit from source of power.2. Remove the front grille. (Refer to Section 2.1.1)3. Remove the cabinet. (Refer to Se