background image

Disassemble right side plate

Disassemble electrical box

Disassemble housing case

unsrew the screws around the housing case and take off it

housing case

screws

screws

cover of electrical box

screws

screws

right side plate

unscrew the 7 srews in right side plate,condensor side plate and 
valve support;lift right side plate and remove it.

(Refer to 7-19)

Screw out the 2 screws fixing the electrical box;

lift it and remove it.

(Refer to figure 7-17,7-18)

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Содержание KFHHP-22

Страница 1: ...Introduction and features Model Remarks KFHHP 22 Technical Service Manual for 13SEER DC INVERTER 24K SOLEUSAIR...

Страница 2: ...Rated Input W Rated Current A Indoor Unit Model of Indoor Unit Fan Motor Speed r min Output of Fan Motor w Input of Heater w Fan Motor Capacitor uF Fan Motor RLA A Fan Type Piece Diameter Length in E...

Страница 3: ...m Fan Motor RLA A Fan Motor Capacitor uF Air Flow Volume of Outdoor Unit Fan Type Piece Fan Diameter in Defrosting Method Connection Pipe Length ft Outdoor unit Climate Type Isolation Model of Outdoor...

Страница 4: ...filter air guider dispaly board front case cover of electrical box remote control display heating cooling run receiver connecting pipe and calbe air outlet grill drain hose manual switch manual switc...

Страница 5: ...Overall and installation dimension Overall and installation dimension of indoor unit air inlet grill left tube exit sign right tube exit sign top view rear view Ceiling left right KFHHP 22 ID Unit mm...

Страница 6: ...Overall and installation dimension of outdoor unit KFHHP 22 OD unit mm over over over wrench bolt nutGgggg...

Страница 7: ...5 5 5 5 5 Electrical diagram The diagram above is subject to change without notice Please refer to the diagram label on the unit KFHHP 22...

Страница 8: ...ature And the protection function is the same as under Cooling Heating mode 6 1 3 Other control 6 1 3 1 auto control of speed of indoor fan indoor fan runs automatically at HIGH MED LOW speed accordin...

Страница 9: ...s on when power off 3 minutes is delayed for indoor unit to send signal of starting to outdoor unit 3 When power is on again unit will operate in previous mode before power off 4 If there was no timer...

Страница 10: ...eversing valve Range of temperature setting is 16 30 6 1 2 1 2 Frost proof protection In cool and dehumidifying mode when frost proof protection is detected the compressor will run in lower frequency...

Страница 11: ...ter at least If compressor closes down for malfunction in heating mode indoor motor will only exhausting remaining heat 6 1 3 Universal protection function of cool heating dehumidifying and auto mode...

Страница 12: ...n only restart when IPM temperature returns to norm and compressor has been stopping for 3 minutes If 3 times of IPM temperature protection happens in 1 hour compressor will stop and can not restart b...

Страница 13: ...7 times sensor malfunction stop blink 7 times failure of outdoor tube temp sensor blink 7 times min cooling heating blink 8 times closing down for communication failure including indoor unit and NEC...

Страница 14: ...ver temp of IPM module D17 Meaning D18 Meaning blink 1 time too low DC input voltage On receiving or sending indoor data blink 2 times too high DC voltage when no short circuit in computer monitor por...

Страница 15: ...bly front panel Disassemble guide louver Disassemble filter filter screw electrical box top cover Refer to figure 7 1 hook front panel Bend the guide louver with strength and let out the hook Refer to...

Страница 16: ...Unscrew the srew fixing the display board and take the board off Hold the cover and press it to loosen the hook lift it upward and remove the box cover Refer to figure 7 5 grounding nut tube sensor am...

Страница 17: ...er tray screws screws clasp clamp Unscrew 2 screws on the clamp and remove the clamp unscew the 2 screws fixing evaporator on left and right side Take out the evaporator by you hand and push it backwa...

Страница 18: ...the bearing on the left and remove the cross flow fan fan bearing cross flow fan screws screws motor press plate Unscrew the screws fixing press plate and take out press plate Unscrew the one M4 screw...

Страница 19: ...l srews Unsrew the srews around the top voer plate lift the top cover and remove it top cover srews Disassemble front side plate Refer to figure 7 14 unsrew the 4 srews around the front side plate and...

Страница 20: ...d take off it housing case screws screws cover of electrical box screws screws right side plate unscrew the 7 srews in right side plate condensor side plate and valve support lift right side plate and...

Страница 21: ...e flame to burn the lead out calbe of compressor Refer to figure 7 22 Disassemble motor and motor support Unscrew four tapping screws fixing the motor and remove the motor Unscrew the two tapping scre...

Страница 22: ...between the big valve and air return duct remove big valve When unsoldering use wet cloth to wrap the big valve completely to prevent it from being harmed by high temperature Unscrew the 2 screws fixi...

Страница 23: ...8 Exploded view and components part list indoor unit 23 KFHHP 22 ID...

Страница 24: ...bient Temperature Sensor 15K 390000451 1 21 Wire Clamp 71010103 1 22 Terminal Board 42011233 1 23 Toggle Switch 10582007 1 24 Electric Box Cover 201022521 1 25 Electric Box Cover 201022512 1 26 Main P...

Страница 25: ...Exploded view of outdoor unit 25 KFHHP 22 OD...

Страница 26: ...pport 24213009 1 21 Main PCB 1 W9W2 30039164 1 22 Filtering Board W9W2 30039163 1 23 Temperature Sensor 3900028001 1 24 Sensor Insert 42020063 1 25 Sensor Insert 42020066 1 26 Capacitor 33010027 1 27...

Страница 27: ...oller is broken Batteries of remote controller are low Malfunction of remote controller Loose or poor connection of receiving head Receiving head is broken Measure the insulating resistance for ground...

Страница 28: ...ard and module Abnormal input of power module Abnormal output of power module Compressor temperature is too high Wrong wiring Damage of outdoor main control board Check the circuit according to circui...

Страница 29: ...oth thick pipe and thin pipe are insulated well The exposed part of the connector and copper pipe must be insulated as well Heat exchanger of outdoor unit is blocked Air filters are blocked Fan speed...

Страница 30: ...an collides with case adjust the fan location abnormal sound inside compressor replace compressor abnormal electromagnetic sound in short circuit inside electromagnetic valve repalace it 4 way valve i...

Страница 31: ...nt replace the capillary replace the compressor use universal meter to check if the contactor of compressor is fine when it is not overheat if not replace the contactor 6 system malfunction i e overlo...

Страница 32: ...e voltage of outdoor fan connector No voltage Normal voltage Replace the fan Replacethemainboard motor of outdoor unit Check if radiating paste is spread evenly or radiating sticker is stuck well if s...

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