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  4. QS09-VJ220
  5. Service Manual

Quietside QS09-VJ220 Service Manual

Manual is about: Air Conditioners Quietside

Summary of QS09-VJ220

  • Page 1

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  • Page 2: 7Deohri&rqwhqwv

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  • Page 14

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  • Page 15

    6shfl¿fdwlrqv &dsdflw\9duldwlrq5dwlr$ffruglqjwr7hpshudwxuh 100 105 95 90 85 80 75 70 65 60 55 50 outdoor temp. (˚f) ) %( oit ar yti c a p a c 110 100 90 80 70 60 50 40 outdoor temp. (˚f) ) %( oit ar yti c a p a c conditions indoor: db 70˚f indoor air flow : turbo pipe length: 25ft. Conditions indoor...

  • Page 16

    6shfl¿fdwlrqv .8qlw .8qlw 1rlvh&ulwhuld&xuyh7deohviru%rwk0rghov noise/db(a) 40 45 30 35 indoor side noise when blowing indoor fan motor rotating spee d low middl e high super hig h noise/db(a) 12k 09k 12k 09k outdoor side noise 30 40 50 60 0 20 40 60 80 100 compressor frequency/hz 50 55 40 45 35 ind...

  • Page 17

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  • Page 19

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  • Page 20

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  • Page 21: 5Hiuljhudqw6\vwhp'Ldjudp

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  • Page 22: 6Fkhpdwlf'Ldjudp

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  • Page 23

    6fkhpdwlf'ldjudp terminal block block terminal xt 2 3 n(1) yegn(gn) g to the models with cool plasma generator note:the parts with broken line is applicable cool plasma generator health-l health-n rd bu display board receiver and ap1 disp1 disp2 jump cap motor pgf n com-out motor swing rt1 tube n(1)...

  • Page 24

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  • Page 25

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  • Page 26

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  • Page 27

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  • Page 28

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  • Page 29

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  • Page 30

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  • Page 31

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  • Page 32: )Xqfwlrqdqg&rqwuro

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  • Page 33

    )xqfwlrqdqg&rqwuro 20 21 22 23 24 25 1 2 3 4 5 6 19 light icon: is displayed by pressing the light button.Press light button again to clear the display. Lock icon: is displayed by pressing "+" and “-” buttons simultaneously.Press them again to clear the display. Set time display: after pressing time...

  • Page 34

    )xqfwlrqdqg&rqwuro 8 9 10 11 12 13 14 15 16 7 timer on: press this button to initiate the auto-on timer. To cancel the auto-timer program, simply press this button again. After pressing this button, disappears and "on" blinks . 0 0:00 is displayed for on time setting. Within 5 seconds, press + or - ...

  • Page 35

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  • Page 36

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  • Page 37

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  • Page 38

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  • Page 39

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  • Page 40

    )xqfwlrqdqg&rqwuro )ru469-4693469-4693 ,qgrru3duw 1.Basic function of system (1)cooling mode 1.Under this mode, fan motor, swing will work under setting status, the temp. Range is 61-86°f. 2.Outdoor unit malfunction or unit stop running, indoor unit will keep original running status, malfunction dis...

  • Page 41

    )xqfwlrqdqg&rqwuro (2) failure display of indoor unit 1. Requirements for failure display when multiple failures appear at the same time, failure protection codes shall be displayed alternatively. ①hardware failures shall be displayed immediately, referring to requirements in "failure state display ...

  • Page 42

    )xqfwlrqdqg&rqwuro (7) control of indoor fan indoor fan can be set at four levels, super-high, high, middle and low, with a remote controller. When one level is set, the fanwill thus operate at such level. The fan can also be set at auto state. (8) power-failure memory function what will be memorize...

  • Page 43

    )xqfwlrqdqg&rqwuro 2xwgrru3duw 1.Input parameter compensation and calibration (1) check the ambient temperature compensation function indoor ambient temperature compensation function a. In cooling mode, the indoor ambient temperature participating in computing control = (t indoor ambient temperature...

  • Page 44

    )xqfwlrqdqg&rqwuro 4. Control logic (1) compressor control start the compressor after starting cooling, heating, dehumidifying operations, and the outer fans start for 5s; when the machine is shutdown, in safety stops and when switching to air-supplying mode, the compressor will stop immediately. In...

  • Page 45

    )xqfwlrqdqg&rqwuro 6. If the frozen-preventing protection power turn-off continuously occurs for six times, it should not be resumed automatically, and you should press the on/off button to resume if the fault keeps on. During the process of running, if the running time of compressor exceeds the [t ...

  • Page 46

    )xqfwlrqdqg&rqwuro 3. Reducing frequency at normal speed and stopping machine: if [t frequency reducing temperature at normal speed during discharging ]≤t discharge [t frequency reducing temperature at high speed during discharging ] you should adjust the compressor frequency by reducing 8hz/90s til...

  • Page 47

    )xqfwlrqdqg&rqwuro 5. Power turn-off if the [t power turn-off temperature of module ]≤t module , you should stop the machine for module overheating protection; if t module [t limited frequency temperature of module ] and the compressor has been stopped for 3 minutes, the machine should be allowed to...

  • Page 48

    )xqfwlrqdqg&rqwuro (16) pfc protection 1. After start up the pfc, it should detect the protection signal of pfc immediately; under the condition of pfc protection, it should turn off the pfc and compressor at one time; 2. It shows the failure is cleared out if pfc protection stopped working 3 min an...

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  • Page 51

    ,qvwdoodwlrq0dqxdo ,qvwdoodwlrq'udzlqj space to the wall space to the ceiling space to the wall space to the wall air outlet side space to the floor above above 6in. Above 6in. Above 12in. Above 20in. Above 20in. Above 12in. Above 79in. Above above space to the obstruction air outlet side space to t...

  • Page 52

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    7urxeohvkrrwlqj 'ldjqrvlvirufrpsuhvvruv\qfkurqlvprxwgrruxqlwpdoixqfwlrq 2xwgrruxqlwpdoixqfwlrqlqglfdwruvwdwxv 0dlqghwhfwlrqsrlqw Ɣ,iwkhv\vwhpsuhvvxuhlvryhukljk" Ɣ,iwkhzrunlqjyrowdjhlvryhuorz" 0doixqfwlrqgldjqrvlvsurfhvv ' ' ' ' ƶ ƿ Ƶ ƿ if the compressor wire comp(uvw) is well connected, the connecti...

  • Page 103

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  • Page 104

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  • Page 105

    7urxeohvkrrwlqj 'ldjqrvlvsurfhvvirurxwgrrufrppxqlfdwlrqflufxlwuhihuwrwkhnh\ghwhfwlrqsrlqwvrirxwgrruxqlw start test voltage valueof test10 position in diagram with voltage meter number jumping number jumping number jumping number jumping outdoor unit malfunction test voltage value of test 13 position...

  • Page 106

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  • Page 107

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  • Page 108

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  • Page 109: 5Hprydo3Urfhgxuh

    5hprydo3urfhgxuh 5hprydo3urfhgxuh 5hprydo3urfhgxuhri,qgrru8qlw :duqlqj %hvxuhwrzdlwirudplqlpxpriplqxwhvdiwhu wxuqlqjriidoosrzhuvxssolhvehiruhglvdvvhpeo\ 127(7dnh469-iruh[dpsoh procedure steps 1. Before disassembly 2. Remove display 3. Remove panel display board front panel assy loosen the screws of ...

  • Page 110

    5hprydo3urfhgxuh a b louver horizontal louver axial bush filter sub-assy electric box cover2 procedure steps 4. Remove filter sub-assy loosen the clasps on filter sub-assy, push the filter inwards and then pull it upwards to remove it. 5. Remove electric box cover 2 remove 2 screws on electric box c...

  • Page 111

    5hprydo3urfhgxuh a b a pipe clamp electric box cover 1 front case sub-assy electric box assy procedure steps 7. Remove front case 8. Remove electric box sub-assy 9. Remove evaporator remove the screws connected with front case and bottom case, open the screw cap and then remove the other screw. Loos...

  • Page 112

    5hprydo3urfhgxuh b a b c o-gasket sub-assy of bearing cross flow blade fan motor evaporator assy motor press plate procedure steps 10. Remove axial flow blade and motor remove the screws between evaporator and moor press plate, loosen the clasps fixing evaporator and bottom case, and then remove the...

  • Page 113

    5hprydo3urfhgxuh 5hprydo3urfhgxuhri2xwgrru8qlw :duqlqj %hvxuhwrzdlwirudplqlpxpriplqxwhvdiwhu wxuqlqjriidoosrzhuvxssolhvehiruhglvdvvhpeo\ procedure steps 1.Remove cable cross plate and valve cover cable cross plate valve cover 3.Remove reactor sub-assy 2.Remove top cover remove connection screw fixin...

  • Page 114

    5hprydo3urfhgxuh 4.Remove front grille front grille 5.Remove front panel front panel 6.Remove right side plate right side plate procedure steps remove connection screws between the front grille and the front panel. Then remove the front grille. Remove connection screws connecting the front panel wit...

  • Page 115

    5hprydo3urfhgxuh 7.Remove axial flow blade axial flow blade 8.Remove motor and motor support motor support 9.Remove electric box assy electric box assy procedure steps motor remove the nut fixing the blade and then remove the axial flow blade. Remove the 4 tapping screws fixing the motor. Pull out t...

  • Page 116

    5hprydo3urfhgxuh 10.Remove clapboard sub-assy clapboard sub-assy 11.Remove 4-way valve assy 4-way valve assy 12.Remove compressor procedure steps compressor loosen the screws of the clapboard sub-assy . The clapboard sub-assy has a hook on the lower side. Lift and pull the clapboard sub-assy to remo...

  • Page 117

    5hprydo3urfhgxuh 4693 1.Remove top cover and rear grill 2.Remove front grill and front panel twist off the screws used for fixing the top cover, pull the top cover upward to remove it. Twist off the screws used for fixing the rear grill, pull the rear grill upward to remove it. Procedure steps top c...

  • Page 118

    5hprydo3urfhgxuh 3.Remove electric box sub-assy 4.Remove the axial flow fan and motor electric box sub-assy electric box cover procedure steps remove the screw connecting the electric box cover with electric box, and then remove electric box cover. Remove the screws fixing the electric box sub-assy;...

  • Page 119

    5hprydo3urfhgxuh 5.Remove the reactor and isolation sheet 6.Remove 4-way valve assy and condenser condenser remove screws fixing reactor and then remove the reactor. Remove screws fixing isolation sheet and then remove the isolation sheet. Reactor isolation sheet procedure steps 4-way valve assy dis...

  • Page 120

    5hprydo3urfhgxuh 7.Remove the gas valve 、liquid valve and valve support remove the screws fixing the gas valve and unsolder the welding joint between the gas valve and the air-return pipe to removethe gas valve. (note: discharge therefrigerant completely before unsoldering;when unsoldering, wrap the...

  • Page 121

    5hprydo3urfhgxuh 1. Remove top cover and handle before disassembly. Twist off the screws used for fi xing the handle, pull the handle upward to remove it.Loosen the screws fixing the valve cover and then remove the valve cover. Twist off the screws used for fi xing the top cover, pull the top cover ...

  • Page 122

    5hprydo3urfhgxuh 2.Remove front grille and front panel 3.Remove right&left side plate remove the screws connecting the front grille and the front panel. Remove the front grille. 1 twist off the screws fi xing the panel, pull it upward, loosen the clasp on the right side, rotate it to the left and th...

  • Page 123

    5hprydo3urfhgxuh 4.Remove axial flow fan 5.Remove electric box and fireproof electric remove the nuts fixing the blade and then remove the axial flow fan. Remove the screws fixing the electric box sub-assy; loosen the wire bundle; pull out the wiring terminals and then pull the electric box upwards ...

  • Page 124

    5hprydo3urfhgxuh 6.Remove sound-proof sponge 7.Remove isolation sheet 8.Remove gas valve and liquid valve remove the soundproof sponge wrapping the compressor. Remove screws fixing isolation sheet and then remove the isolation sheet. Twist off the 2 bolts fixing the valve sub-assy. Unsolder the sold...

  • Page 125

    5hprydo3urfhgxuh 9.Remove 4-way valve 4-way valve 10.Remove compressor 11.Remove motor and motor support discharge the refrigerant completely;unsolder the pipeline connecting the compressor and the condenser assy,and then remove the 4-way valve. Twist off the three foot nuts on compressor and then r...

  • Page 126

    5hprydo3urfhgxuh 1.Remove handle and valve cover 3.Remove front grill twist off the screws used for fixing the handle, pull the handle upward to remove it.Loosen the screws fixing the valve cover and then remove it. Procedure steps 2.Remove top cover remove connection screws connecting the top cover...

  • Page 127

    5hprydo3urfhgxuh 4.Remove front side plate and front panel 5.Remove right side plate front side plate front panel procedure steps remove screws connecting front side plate, outer case and chassis,and then remove the front side plate. Remove screws fixing front panel,chassis and motor support, and th...

  • Page 128

    5hprydo3urfhgxuh 6.Remove axial flow blade 7.Remove electric box and fireproof electric box axial flow blade electric box fire proof electric box procedure steps 8.Remove motor and motor support remove nut on blade with wrench,and then remove the axial flow blade. Remove screws fixing electric box,c...

  • Page 129

    5hprydo3urfhgxuh 9.Remove isolation sheet motor support isolation sheet procedure steps 10.Remove 4-way valve twist off the tapping screws fixing the motor support, pull it upwards and then remove the motor support. Twist off the screws connecting isolation sheet and end plate of condenser and chass...

  • Page 130

    5hprydo3urfhgxuh 12.Remove compressor 11.Remove gas valve and liquid valve gas valve liquid valve compressor procedure steps 13.Remove left side plate twist off the 2 bolts fixing the valve sub-assy. Unsolder the soldering joint between gas valve and air-return pipe and then remove the gas valve. (n...