Instruction/ maintenance manual of the product ZQ07B10 Friedrich
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Room Air Conditioner Ser vice and P ar ts Man ual ZStar ® ZQ05/ZQ07 (06/05) ZQ05B10 ZQ07B10.
—2— CONTENTS 1. PREF A CE ...................................................................................................................................................3 1.1 FEA TURES...........................................................
—3— 1. PREF A CE This ser vice manual provides v arious ser vice inf or mation, including the mechanical and electr ical par ts, etc. This room air conditioner was manuf actured and assembled under a strict quality control system. The refrigerant is charged at the f actory .
—4— 1.3 LOCA TIONS OF CONTROLS 1.4 SAFETY PRECA UTIONS 1. When ser vicing, set the RO T AR Y SWITCH to Off and unplug the power cord. 2. Obser ve the original lead dress. If a shor t circuit is found, replace all parts which hav e been ov erheated or damaged by the short cir- cuit.
— 5 — 2. DISASSEMBL Y INSTR UCTIONS 2.1 MECHANICAL P AR TS 2.1.1 FRONT GRILLE 1. Disconnect the unit from source of power . 2. Remov e the two knobs by pulling them off . Using a screwdriv er , remov e the screw that secures the front grille to control board.
— 6 — 2.2 AIR HANDLING P AR TS 2.2.1 AIR GUIDE UPPER 1. Disconnect the unit from the pow er source . 2. Remov e the front grille. (Refer to Section 2.1.1) 3. Remov e the cabinet. (Refer to Section 2.1.2) 4. Rem o v e the control panel . (Ref er to Section 2.
— 7 — 2.2.3 MO T OR 1. Disconnect the unit from the pow er source . 2. Remov e the front grille. (Refer to Section 2.1.1) 3. Remov e the cabinet. (Refer to Section 2.1.2) 4. Rem o v e the control panel . (Ref er to Section 2.1.3) 5. Remov e the air guide upper .
— 8 — 2.3.2 COMPRESSOR 1. Remov e the front grille and cabinet. (Ref er to Section 2.1) 2. Discharge the refrigerant by using a refrigerant recov er y system. 3. Remov e the overload protector . (Ref er to Section 2.3.1) 4. After discharging the unit completel y , unb r a z e the suction and discharge pipes at the compressor connections.
— 9 — 2.3.6 PO WER CORD 1. Disconnect the unit from source of power . 2. Remov e the front grille. (Refer to Section 2.1.1) 3. Remov e the cabinet. (Refer to Section 2.1.2) 4. Rem o v e a scr e w that secures control panel to base pan. (Ref er to Section 2.
2.4.2 E V APOR A T OR /CONDENS E R 1. Remov e the cabinet. 2. Discharge the refrigerant by using a refrigerant recov er y system. 3. Remov e the air guide upper . (Refer to Section 2.2.1) 4. After discharging the refrigerant completely , unb r a z e the interconnecting tube at the proper connections.
— 11 — Equipment needed: V acuum pump, charging cylinder , manifold gauge , brazing equipment, pinch-off tool capable of making a v apor proof seal, leak detector , tubing cutter , hand tools to remove components and service valv e.
— 1 2 — 3 . T R OUBLESHO O TING GUIDE 3 .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 / 32 ") 120 (4 3 / 4 ") 27.5 (1 3 / 32 ") 346 (13 5 / 8 ") 472 (18 9/16 ") 42 (1 21 / 32 ") 42 (1 21 / 32 ") 155(6 3/32 ") 12 (0.
— 1 3 — 3 .2 PIPING SYSTEM Figure 2 2 is a b r ief desc r iption of the impo r tant components and their function in what is called the ref r ige r ation system. This will help you to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle.
— 1 4 — 3 .3 T R OUBLESHO O TING GUIDE In gene r al, possi b le trou b le is classified in t w o categories . The one is called Starting Failure which is caused by an electrical def ect. The other is Ineffective Air Con- ditioning caused b y a de f ect in the ref r ige r ation circuit and /or improper application.
— 1 5 — Fails to Start Improper thermostat setting Loose ter minal connection Improper wiring Che c k p o w er sourc e . Drop of pow er voltage . Capacitor check. Replacement. Che c k control s witch setting. Compressor f ails to star t. Def ect of compressor capacitor .
— 1 6 — ROOM AIR CONDITIONER V OL T A GE LIMITS NAME PLA TE RA TING MINIMUM MAXIMUM 115V ± 10% 103.5V 126.5V COMPLAINT CA USE REMED Y F an motor will not run. No pow er Check v oltage at outlet. Correct if none. P ower supply cord Check v oltage to rotar y switch.
— 17 — COMPLAINT CA USE REMED Y F an motor noise. F an If crac ked, out of balance , or par tially missing, replace it. Blow er If crac ked, out of balance , or par tially missing, replace it. Loose set screw Tighten it. W orn bear ings If knocking sounds contin ue when running or loose, replace the motor .
— 18 — COMPLAINT CA USE REMED Y Compressor cycles on F an motor If not running, deter mine the cause. Replace if ov er load. required. Condenser air flow Remo ve the cabinet, inspect the interior surf ace restriction of the condenser . If restricted, clean carefully with a vacuum cleaner (do not damage fins) or brush.
— 19 — 4 . CIRCUIT DI A GRAM 1 2 6 7 5 3854AR2330A COMP. MOTOR ROCKER SWITCH YL BR THERMOSTAT OLP BR R BL RD BK OR(BR) CAPACITOR F H C YL ROTARY SWITCH 2H L M BK BR RD BL BK POWER INPUT BK(BR) (Plain) WH(BL) (Ribbed) GN(GN/YL) RD BL YL OR(BR) 4 6 8 1 3 5 7 BL RD BK BR WIRING DIAGRAM SYNC.
— 2 0 — 5 . EXPLODED VIEW 152302 149410 147581 147582-2 147582-1 135313 352390 135312 130410 359012 W48602 354210 349480 352380 149980 559011 346811 554030 W48602 130910 266003 264110 269310 W0CZZ.
—2 1 — 6 . SE R VICE P A R TS LIST • ZQ05 B 10 . ZQ07B10 Loc No FRIEDRICH Description 130410 67302921 BASE ASSEMBLY,WELD[SINGLE] 130910 67303709 CABINET ASSEMBLY,SINGLE 135312 67306003 GRILLE AS.
Loc No FRIEDRICH Description 130410 67302921 BASE ASSEMBLY,WELD[SINGLE] 130910 67303709 CABINET ASSEMBLY,SINGLE 135312 67306003 GRILLE ASSEMBLY,FRONT(SINGLE) 135313 67306103 GRILLE,INLET 135500 673003.
— 2 3 — MEMO.
Post Office Box 1540 • 4200 N. Pan Am Expressway • San Antonio, Texas 78295-1540 • (210) 357-4400 • FAX (210) 357-4490 FRIEDRICH AIR CONDITIONING CO.
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