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Summary of Contents for Quietside QSFMI-09A
- Page 1 MODELS: QSFMI-09A QSFMI-12A QSFMI-18A...
- Page 2 QSFMI-09A QSFMI-12A QSFMI-18A ON/OFF MODE CLOCK TIMER ON X-FAN TEMP TIMER OFF TURBO SLEEP LIGHT...
- Page 4 QSFMI-09A QSFMI-09A INDOOR MODEL NUMBER...
- Page 5 QSFMI-12A Indoor Model Number QSFMI-12A...
- Page 6 QSFMI-18A Indoor Model Number QSFMI-18A...
- Page 7 Indoor side noise when blowing Super Hig h Middl e High Indoor fan motor rotating spee d Indoor side noise when blowing Super Hig h Middl e High Indoor fan motor rotating speed...
- Page 9 QSFMI-09...
- Page 10 QSFMI-09A QSFMI-12A TUBE ROOM MOTOR TEMP. SENSOR TEMP. SENSOR TERMINAL TERMINAL BLOCK TUBE BLOCK ROOM N(1) N(1) COM-OUT JUMP AC-L SWING-UD DISP1 DISP2 HEALTH-L HEALTH-N YEGN(GN) YEGN(GN) COOL PLASMA RECEIVER AND SWING EVAPORATOR ELECTRIC BOX GENERATOR DISPLAY BOARD MOTOR NOTE:The parts with broken line is applicable...
- Page 11 QSFMI-18A TUBE ROOM MOTOR TEMP. SENSOR TEMP. SENSOR TERMINAL TERMINAL BLOCK BLOCK TUBE ROOM N(1) N(1) COM-OUT JUMP AC-L SWING-UD DISP1 DISP2 HEALTH-L HEALTH-N YEGN(GN) YEGN(GN) COOL PLASMA RECEIVER AND SWING EVAPORATOR ELECTRIC BOX GENERATOR DISPLAY BOARD MOTOR NOTE:The parts with broken line is applicable to the models with COOL PLASMA GENERATOR RECEIVER AND ROOM...
- Page 12 QSFMI-09A QSFMI-12A...
- Page 13 QSFMI-18A...
- Page 14 QSFMI-09A QSFMI-12A...
- Page 15 QSFMI-09A QSFMI-12A...
- Page 16 QSFMI-18A...
- Page 17 QSFMI-18A...
- Page 18 Steps Procedure 1. Before disassembly 2. Remove display Loosen the screws of the display board. And then romove the dispaly board. Display Board 3. Remove panel Front Panel Assy Push out the clasps at both sides of panel to separate the panel and front case, and then remove the panel.
- Page 19 Steps Procedure 4. Remove filter sub-assy Loosen the clasps on filter sub-assy, push the filter inwards and then pull it upwards to remove it. Filter Sub-Assy 5. Remove electric box cover 2 Electric Box Cover2 Remove 2 screws on electric box cover 2 and then remove the electric box cover 2.
- Page 20 Steps Procedure 7. Remove front case Front Case Sub-Assy Remove the screws connected with front case and bottom case, open the screw cap and then remove the other screw. Loosen the clasp connected with front case bottom case, pull it upwards and then remove the panel sub-assy.
- Page 21 Steps Procedure Evaporator Assy Remove the screws between evaporator and moor press plate, loosen the clasps fixing evaporator and bottom case, and then remove the evaporator. 10. Remove axial flow blade and motor Motor Press Plate Remove the screws connecting the motor press plate and bottom case, and then remove the motor press plate.
- Page 24 Star Is the wiring terminal between temperature sensor and the controller loosened or poo rly contacted? Insert the temperature sensor tightly Malfunction is eliminated. Is there short circuit due to tripover of the pa rts? Make the parts upright Malfunction is eliminated.
- Page 25 C5 is displayed on the unit. Install a matching Is there jumper cap on the jumper cap . controller? Is the malfunction eliminated? Re-insert the jumper Is the jumper cap inserted incorrectly or improperly? Is the malfunction eliminated? Replace the jumper Is the malfunction eliminated?
- Page 26 “H6”is displayed on the unit. Stir the fan blade with a hand when the unit is DE - ENERGIZED . Reinstall the motor Does the and the blade to blade rotate make it rotate unsmoothly? smoothly. Is the malfunction eliminated? Is the feedback Insert the feedback...
- Page 27 “U8” is displayed on the unit. Re-energize 1 minute after de-erergization The unit returns to normal. Conclusion: U8 is displayed due to Is“U8” still displayed? instant energization after de- energization while the capacitor discharges slowly. The zero-cross detection circuit of the mainboard is defined abnormal.
- Page 28 Main checking points: If the connection wire between the indoor unit and outdoor unit is connected well, if the wires inside the unit is connected well; If the indoor mainboard or outdoor main board is broken; Flow chart: Communication malfunction of some indoor units De-energize, check the connection wire of indoor and outdoor unit and...
- Page 29 All the indoor units appear communication malfunction De-energize, check the connection wire of indoor and outdoor unit and the wire of the eletric box is connected correctly Reconnect according to Eliminate the malfunction Connected correctly? the wiring diagram De-energize, check if the connection wire between the outdoor mainboard and the filter board according to the wiring diagram Reconnect according to...
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Page 30: Appendix 1: Resistance Table Of Ambient Temperature Sensor For Indoor And Outdoor Units(15K)
Appendix 1: Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp. Resistance kΩ Temp. Resistance kΩ Temp. Resistance kΩ Temp. Resistance kΩ 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009 16.39 3.454 0.98 108.7 15.68 3.333... -
Page 31: Appendix 2: Resistance Table Of Outdoor And Indoor Tube Temperature Sensors(20K)
Appendix 2: Resistance Table of Outdoor and Indoor Tube Temperature Sensors(20K) Temp. Resistance kΩ Temp. Resistance kΩ Temp. Resistance kΩ Temp. Resistance kΩ 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2... -
Page 32: Appendix 3: Resistance Table Of Outdoor Discharge Temperature Sensor(50K)
Appendix 3: Resistance Table of Outdoor Discharge Temperature Sensor(50K) Resistance Temp. Temp. Resistance kΩ Temp. Resistance kΩ Temp. Resistance kΩ kΩ 853.5 18.34 4.754 799.8 93.42 17.65 4.609 89.07 16.99 4.469 703.8 84.95 16.36 4.334 660.8 81.05 15.75 4.204 620.8 77.35 15.17 4.079... - Page 33 Measure insulation resistance The breaker trips at once when it to ground to see if there is any is set to “ON”. leakage. Trip of breaker or blow of fuse The circuit or the part of the air conditioner has malfunction. They heat and break the insula- tion and lead to short circuit or The breaker trips in few minutes...
- Page 34 Improper set of temperature Adjust set temperature If cooling (heating) load is Check the forecasted load of cooling (heating) proper Check and fill the leakage, then The refrigerant has leakage or is vacuumize it and supplement the re- insufficient frigerant as required Leakage between the high pres- Replace the compressor sure and the low pressure in-...
- Page 35 The indoor fan motor is burned or breaks or has the heat protector Replace the fan motor or the defective part. malfunction. The built-in heat protector of the Replace the fan motor The fan does not motor breaks frequently because the run when it is set motor is abnormal.
- Page 36 The torque of the swing motor is not enough First, check whether the connection is Wrong connection The swing fan wrong. If no, replace the parts does not run. The controller is damaged(IC2003 is damaged, the swing relay can not close, etc) C o n t r o l l e r m a l f u n c t i o n ( I C 2 0 0 3 Change controller...
- Page 48 Test4 Test2 Test3 Test1 Test9 Tset8 Test5 Test7 Test6 Test11 Test13 Test10 Test12...
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