Ceiling Cassette Air
Contents
1. Dimension W H D body mm 850x235x400 Packing W H D body mm 1080x310x460 Dimension W H D panel mm 1050x18x470 ndoor unit Packing W H D panel mm 1120x172x540 INet Gross weight body kg 23 27 INet Gross weight panel kg 4 7 Model YDK25 6C Brand Welling Outdoor fan Input WI 85 motor Capacitor uF 2 5uF 450V Speed r min 900 Number of rows 1 Tube pitch a x row pitch b mm 25 4x22 Fin spacing mm 1 4 Outdoor type code Hydrophilic aluminium coil es 9 53x0 35 Tube outside dia and type mm Innergroove tube Coil length x height x width mm 754x508x22 INumber of circuits 2 Outdoor air flow mm h 1900 Outdoor noise level dB A 42 Dimension W H D mm 780x540x250 Outdoor Packing W H D mm 910x575x335 junit INet Gross weight kg 36 39 Refrigerant type g R407c 850g Design pressure MPa 1 2 3 5MPa Liquid side Gas side mm inch 6 35 6 9 53 1 4 3 8 Refrigerant refrigerant pipe length m 15 piping difference in level m 5 Connection wiring AWG 22 Plug type No Controller Remote Operation temp C 17 30 Ambient temp io 7 45 Notes 1 Nominal cooling capacities are based on the following conditions Indoor temp 27 CDB 19 CWB Outdoor temp 35 CDB Equivalent ref Piping 8m horizontal 2 Nominal heating capacities are based on the following conditions Indoor temp 20 CDB Outdoor temp 7 CDB 6 C WB Equivalent2. When the air conditioner is switched over from manual cooling to remote control the lamp will be off 4 1 2 Timer Lamp During timer operation it will be on 4 1 3 Defrosting Pre Heating Lamp When heat pump model performs defrosting or anti cold air it will be on 13 4 1 4 Water Level Alarm Lamp When water level is above the alarm level it will blink at 5Hz 4 2 Timer Refer to remote controller manual for detail operation Note The timer is valid for one operation of the A C 4 3 Louver Action It is controlled by relays 4 4 Condensate Pump 4 4 1 The action of the water pump is controlled by water level switch 4 4 2 Control procedures check water level every 5 seconds 4 4 2 1 When entering cooling mode dehumidifying mode or forced cooling mode condenser starts at once and operates continue until the above modes stop 4 4 2 2 Under stand by heating or fan mode if the water level in water receiver rises to the position of the water switch the controller will make LED flashing to give warning signal and at the same time forces compressor to stop and the drain pump start The water level will be checked continuously If the water level falls to warning water level the warning signal will disappear the drain pump delay 1 minute to be off compressor starts again 3 minutes protection takes priority and operation recovers according to former setting mode On the other wise after 3 minutes the whole unit stops including dr
3. lt 5 gt Aircon Solutions Ltd Inc USA TECHNICAL amp SERVICE MANUAL CASSETTE TYPE AIR CONDITIONER One way cassette FSK 94HF FI SM 040830 One way Cassette Air conditioner Table of Contants Part 1 Product Features Part 2 Specification Part 3 Noise Level Part 4 Velocity amp temperature distribution Part 5 Operation Range Part 6 Capacity Table Part 7 Outlines and Dimension Part 8 Electric Control Functions Part 9 Wiring Diagram Part 10 Installation Part 11 Servicing and Maintenance Part 12 Exploded view 10 16 17 23 26 NOTICE Specifications are subject to change without notice for further improvement All the product information has been carefully checked Part 1 Product Features 1 Lower noise level 2 Smoother air flow with less turbulence Owing to the multiple blade fan rotor and the air guide design the airflow is getting smoother and more comfortable 3 One direction air flow Quick cooling 4 Stylish design Be harmonious with any interior decoration and creates an elegant environment 5 Ultra thin machine body Space saving only 235mm 6 Convenient installation Able to be flexibly installed in various corners Single direction airflow flexibly installed in various corners Cooling Heating Standardized sectional module More flexible in routing the tube through the ceiling space due to the co
4. ref Piping 8m horizontal 3 Actual noise level may differ depending on the room structure etc since these noise values are from an anechoic room Part3 Noise Level ONE WAY CASSETTE TYPE 60 20 Sound pressure level dB 0dB 0 0002u bar ES 30 AN 20 b 20 E Audibility limits EN continuous white Edo i sound bo 123 250 500 1000 2000 4000 8000 Octave band center frequency Hz Part 4 Velocity amp temperature distribution Airflow velocity Temperature Part5 Operation Range Ensure the operating temperature is in allowable range Cooling only ol i ng 17 30 Indoor tenp c Heat pump Heat i ng 24 SID 7 17 30 ndoor tenp C Part 6 Capacity Table Model FSK 94HF COOLING OUTDOOR TEMPERATURE DRY Indoor Conditions 21 C 25 C 30 C 35 C 40 C 45 C 50 C 21 Total capacity kW 2 51 2 40 2 32 2 18 2
5. 10 2 03 1 97 15 C W Sensitive capacity kW 2 01 1 92 1 85 175 1 68 1 62 1 57 Input kW 0 69 0 78 0 88 0 98 1 08 1 18 1 28 MC D Total capacity kW 2 75 2 63 2 54 2 39 2 30 2 22 2 15 ICW Sensitive capacity kW 2 20 2 10 2 03 1 91 1 84 1 78 1 72 Input kW 0 72 0 83 0 93 1 04 1 14 1 24 1 35 Total capacity kW 2 99 2 86 2 76 2 60 2 50 2 42 2 34 19 C W Sensitive capacity kW 2 39 2 29 2 20 2 08 2 00 1 93 1 87 Input kW 0 76 0 87 0 98 1 09 1 20 1 31 1 42 32C D Total capacity kW 3 44 3 29 3 17 2 99 2 87 2 78 2 69 23 W Sensitive capacity kW 2 75 2 63 2 54 2 39 2 30 2 22 2 15 Input kW 0 88 1 00 1 13 1 25 1 38 1 50 1 63 Model FSK 94HF HEATING OUTDOOR TEMPERATURE Indoor 24 C 12 PCD 4CD CD 5 CD PCD 15 CD Conditions 18 C W 11 C W SCW PCW 6 C W 8 C W 16 C W 15 Capacity kW 3 60 2 88 2 40 2 16 2 04 1 62 1 68 1 56 Input kW 1 32 1 06 0 88 0 84 0 79 0 75 0 70 0 62 18 Capacity kW 4 05 3 24 2 70 2 43 2 30 2 03 1 89 1 76 Input kW 1 49 1 19 0 99 0 94 0 89 0 84 0 79 0 69 Capacity kW 4 50 3 60 3 00 2 70 2 55 2 25 2 10 1 95 Input kW 1 65 1 32 1 10 1 05 0 99 0 94 0 88 0 77 22 Capacity kW 4 95 3 96 3 30 2 97 2 81 2 48 2 31 2 15 Input kW 1 82 1 45 1 21 1 15 1 09 1 03 0 97 0 85 Capacity kW 5 85 4 68 3 90 3 51 3 32 2 93 2 73 2 54 Input kW 2 15 1 72 1 43 1 36 1 29 1 22 1 14 1 00 Part 7 Outlines and Dimension 1 Indoor unit 4 Install hang
6. 30 C Breeze T 15 C Off During anti cold air period if indoor fan is shut down then pre heating defrosting lamp is on Once indoor fan starts pre heating defrosting lamp will be off 3 2 3 3 Auto fan of indoor fan under heating mode Condition T Indoor Temp Setting Temp Indoor fan speed Room temp up lt 3 High T gt 3 Low Room temp down T gt 1 Low lt 1 High 3 3 Defrost only available to heating mode 3 3 1 The defrosting is processed by indoor control board 3 3 1 1 Defrosting Conditions 3 3 1 1 1 Low temperature defrosting condition Accumulated operating time when temperature of outdoor heat exchanger coil T3 is below 2 C reaches up to over 40 minutes 3 3 1 1 2 High temperature defrosting condition Under high temperature protection of evaporator the time when outdoor fan is shut down but compressor is not has been accumulated for up to 90 minutes It is considered that defrosting is performed when either 3 3 1 1 or 3 3 1 2 is met 3 3 1 2 Defrosting Action Four way valve and outdoor fan are shut down Indoor fan operates according to anti cold air function Compressor keeps on continuously 3 3 1 3 Ending Of Defrosting Condition It is considered that defrosting condition is ended when any of the conditions is met 3 3 1 3 1 Operating current of compressor reaches 1 51 3 3 1 3 2 Time of defrosting reaches 10 minutes 3 3 1 3 3 Temperature of outdoor coil T3 is up
7. D SOCKETS ANSFORMER FAN NDOOR FAN MAIN CONTR 9 6 CONNECTORS mu 5 6 CONNECTORS m ELAY FO COMPRESSOR RM OOM TEMP SENSOR ar RI E TEMP SENSOR 1 xn 6 WAY TERMINAL 2 WAY TERMINAL M SWING MOTOR M WATER SWITCH BROWN BROWN RED BLACK ET uk IU 13 E POWER TO OUTDOOR UNIT XT2 TO OUTDOOR UNIT XTI 220 240V 50Hz NOTE PLEASE USE SHIELD LINE FSO 94HF Outdoor Unit FED FAN CLIM RNS Ae BLLE i FED BLUE BLUE RD 4 VAY J x 5 VALVE 5 lt YIG bs BAK BLUE OVERLOAD RELAY 1 BLACK BLACK T3 TO I NAR UN T XT2 TO NAR UN T XT1 16 Part 10 Installation 1 Installation place e A place where there is enough room for installation and maintenance Refer to Chart 1 e The ceiling is structurally sound to hold the Indoor Unit e A place that is well ventilated and the influence of weather is the least e A place that the airflow can reach every corners of the room e A place where the drain pipe can reach out easily Chart 1 e Install the outdoor unit on a rigid base to prevent increasing noise level and vibration eDetermine the air outlet direction where the discharged air is not blocked the case that the installation place is exposed to strong wind such as a seaside or high position secure the normal fan operation by putting the unit length wise along the wall or using a duct or shield plates eSpecially in windy area install the un
8. ain pump and warning signal can t disappear It can t recover unless out of power 5 Trouble Shooting 5 Protective Function 5 1 1 3 minute delay for the compressor start up At the beginning of energizing or after the stop of the compressor 3 minute delay will be needed to start the compressor When switchover between cooling heating mode the compressor stops automatically 5 1 2 The AC don t check the compressor current through electric control system but use compressor self current protection 5 1 3 Evaporator protection against high temperature heating mode Only available to heating mode including heating mode heating operation under auto mode Note During protection the indoor fan continues operating at a setting speed while the anti cold air function of heating and the compressor will be 3 minute delayed to shut down for protection 5 1 4 Evaporator Protection against low temperature cooling mode 5 1 4 1 When the evaporator pipe temperature S 3 c and this lasts for 3 minutes the compressor and outdoor fan will be shut off 5 1 4 2 When the evaporator pipe temperature 2 7 c it recovers 5 1 4 3 The restart of the compressor shall execute the delay protection 14 5 1 5 Anti cold air protection Only available to heating mode including heating mode heating operation under auto mode 5 1 6 Condenser high temperature protection 5 1 6 1Only available to cooling incl cooling mode cooling operation unde
9. cking items has run out of power Check if the remote controller Cause When the transmission signals can not be sent battery was Temperature display disappear Symptom Checking items Cause Temperature Display does not light Check if the mode display on the LCD is FAN ONLY You can not set the temperature when the unit is on FAN ONLY mode The Display Goes Off Symptom Checking items Cause The the disappears after a lapse of time indication on display Check whether the operation has come to an end OFF TIMER 15 indicated on the display timer when the The air conditioner operation stops since the set time elapsed The ON TIMER indicators go off after a lapse of certain time Check whether the operation is started when the ON TIMER is indicated on the display timer When the time set to start the air conditioner is reached the air conditioner will automatically start and the appropriate indicator will go off The Signal Receiving Tone does Not Sound Symptom Checking items No receiving tone sounds from the indoor unit even when the ON OFF button is pushed Check transmitter of the remote controller is properly directed to the receiver of the ON OFF button is pushed whether the signal indoor unit when the Cause Direct the signal transmitter of the remote controller to the receiver of the in
10. d and the indicator turn off 3 1 3 Manual Action 3 1 3 1 Under this mode the remote signal will be received and corresponding actions will be taken accordingly upon the receipt of the remote signal 3 1 3 2 On entering this mode the buzzer will buzz for 0 5 second and the indicator on 3 1 3 3 The system will operate under the auto mode whose temperature is set to be 24 C and at the same time the wind grille will swing automatically 3 1 3 4 Under this mode corresponding protections are in effective 3 1 3 5 Push manual pad to end this mode and switch over to manual cooling mode 3 2 Heating Mode 3 2 1 Four way valve opens at once while defrosting process closes 3 2 2 Condition for the compressor action Ts set temperature Ta room temperature Condition Compressor Outdoor fan Room temp up gt Ts 4 Off Off Ta lt Ts 4 On On Room temp down lt Ts 3 gt Ts 3 Off Off 3 2 3 Indoor Fan Action 3 2 3 1 Anytime remote switchover for fan speed among high low auto anti cold air function takes priority 3 2 3 2 Anti cold air Switchover between fan speed and fine tune can be set according to temperature of evaporator pipe Condition Indoor fan speed T Indoor exchanger temp Indoor exchanger temp up T lt 25 C Off 25 C lt T lt 32 C Breeze T gt 32 C Setting fan speed Indoor exchanger temp down T gt 30 C Setting fan speed 15 C lt T lt
11. door unit and then repeatly push the ON OFF button twice Buttons on the remote controller don t work Press Reset button 24 3 Clean CAUTION Please turn off your air conditioner and disconnect power supply before cleaning 1 CLEANING INDOOR UNIT Use a dry to wipe the indoor unit A cloth dampened with cold water may be used if the indoor unit 15 too dirty It is allowed to remove the front panel of indoor unit and clean it with water and ensure to wipe it up with a dry rag Note Do not use a chemically treated duster for wiping or leave such materials near the unit for long Do not use benzene thinner polishing powder or similar solvents for cleaning 2 CLEANING AIR FILTER The air filter in unit can filter dust and other granules in air It may reduce the cooling effect that the air filter is covered with dust So clean the air filter often When the unit is located in a dusty place cleaning frequency should be increased If the dust too thick to clean please replace the air filter Air filter for replacement is optional fittings 1 Press the PUSH position in right and let sides of inlet then open the inlet 2 Lift the air filter then take it out downwards 3 Clean the air filter with vacuum cleaner or water a Clean with vacuum cleaner The inlet face is up Clean with water The inlet face is down b c If the dust is too thick please clean air filter with soft brush and neut
12. e comeback of power Power switch is open Switch on the power Fuse of power switch may have blown Replace the fuse Batteries of remote controller are exhausted Replace the batteries The time is not start up time you have set Wait or cancel the time set Air flowing normally Temperature is not set correctly Set the temperature properly with low Door or window is open Close door and window cooling heating Air filter is blocked with dust or dirtiness Clean the air filter effect Inlet outlet of indoor outdoor units are blocked Clear all blockages Inlet outlet of indoor outdoor units are blocked Clear the blockage then restart your operation Be in 3 minutes protection of compressor Wait NOTE Do not replace electric wire or repair the air conditioner by yourself to avoid possible danger 2 Troubles and solutions concerning the remote controller Please make the following check before asking for repair or maintenance Trouble Cause Solutions CAN NOT CHANGE THE Check if the mode display on the The Indoor Unit will select fan speed FAN SPEED SETTING LCD is AUTO automatically when AUTO mode is selected Check if the mode display on the The Indoor Unit will select fan speed LCD is DRY automatically when the unit is on DRY mode 23 The transmission symbol does not flash Symptom Press ON OFF button the controlling signals can not be transmitted remote Che
13. er Eparts box aig E i 65 EE LIN 1 TO Aradi L Dainhole Liqudsde ret pj L j i Name Drain hole 38mm Liquid side 06 35 Gas side p 9 53 2 Outdoor unit FSO 94HF 540 Sg 298 Part 8 Electric Control Functions 1 Performance Index No Item Index 1 Applicable Voltage Range 165 253V 2 A C Frequency 50Hz 3 Working environment temperature 7 C 45 C 2 Main Parts Introduction 2 1 Indoor Fan High speed and low speed Breeze speed for anti cold air 2 2 Outdoor Fan Only one speed 2 3 Buzzer 2 3 1 It will buzz when its driving port in the main chip outputs high level 2 3 2 It will buzz once when the main frame receives remote start up signal 2 3 3 It will buzz once for 1 second when receiving turn off signal 2 3 4 It will buzz for 0 5 second once receiving other signal 2 3 5 It will not buzz when receiving abnormal signal 2 4 Indicator 2 4 1 There are 4 indicators operating indicator timer indicator water level warning indicator defrosting indicator and pre heating indicator wind delivery indicator for cooling only A C 2 4 0 LED indicates errors when protection is in effective 2 5 Four way Valve It is controlled by relays 2 6 Condensate Pump It is controlled by relays 3 Operation Modes and Functions 3 1 Manual Operati
14. he pipes Tubing size Torque 6 35 1420 1720N cm 144 176kgf cm 9 52 3270 3990N cm 333 407kgf cm b The stop value of the outdoor unit should be closed absolutely as original state Every time you connect it first loosen the nuts at the part of stop value then connect the flare pipe immediately in 5 minutes If the nuts have been loosened for a long time dusts and other impurities may enter the pipe system and may cause malfunction later So please expel the air out of the pipe with refrigerant before connection c Expel the air after connecting the refrigerant pipe with the indoor unit and the outdoor unit Then fasten the nuts at the repair points 2 Locate The Pipe a Drill a hole in the wall suitable just for the size of the wall conduit then set on the fittings such as the wall conduit and its cover b Bind the connecting pipe and the cables together tightly with binding tapes Do not let air in which will cause water leakage by condensation c Pass the bound connecting pipe through the wall conduit from outside Be careful of the pipe allocation to do no damage to the tubing 3 Connect the pipes 4 Then open the stem of stop values of the outdoor unit to make the refrigerant pipe connecting the indoor unit with the outdoor unit in fluent flow 5 Be sure of no leakage by checking it with leak detector or soap water 6 Cover the joint of the connecting pipe to the indoor unit with the soundproof
15. insulating sheath fittings and bind it well with the tapes to prevent leakage 4 Additional charge When the length of the one way pipe is less than 5m additional refrigerant charge after vacuuming is not necessary When the length of one way pipe is over 5m the quantity to be added is as follows unit in gram Connective pipe length Air purging method Additional amount of refrigerant to be charged Less than 5m Use refrigerant of outdoor unit Over 5m Use vacuum pump or refrigerant 30g length 5m cylinder 6 Connect the drain pipe 7 Wiring Please refer to the Wiring Diagram 21 8 Test operation 1 The test operation must be carried out after the entire installation has been completed 2 Please confirm the following points before the test operation The indoor unit and outdoor unit are installed properly Tubing and wiring are correctly completed The refrigerant pipe system is leakage checked The drainage is unimpeded The ground wiring is connected correctly The length of the tubing and the added stow capacity of the refrigerant have been recorded The power voltage fits the rated voltage of the air conditioner There is no obstacle at the outlet and inlet of the outdoor and indoor units The gas side and liquid side stop values are both opened The air conditioner is pre heated by turning on the power 3 According to the user s requirement install the remote controller when the remote contr
16. it to prevent the admission of wind Wall inlet gt gt maintain ir a chanel inlet gt i air M gt 200cm i 2 Indoor unit installation Adjust the indoor unit and the ceiling hole with Installation Model Paper applied Fix the Model Paper on the main body of the air conditioner with five screws M4x16 applied 1 Installing 10 hanging screw bolt 4 bolts 2 Overhanging the Indoor unit Note Do not lean the air conditioner when overhanging it because drain pump and water lever switch are installed inside Adjust the gasket down side to 137mm over the ceiling Hanging Bolt Nut Up Side Gasket Installing Ear Gasket Down Side 137mm Nut Down Side Down Side of the ceiling 17 e Install the hanging bolt into U groove of the hanging tool Overhang the indoor unit and ensure it is amp amp level using a level indicator Hole 430 Model Paper Ceiling Hole Width 1010 Ceiling Hole Length Panel Fixing Screw Install the ceiling with the screws used to install Model Paper eSecure the Model Paper to the down side of Indoor Unit with Screws used to fix panel Model Paper Down Side of Model Paper Down Side of Ceiling Out over 0mm Down Side of Model Paper of Ceiling In over 3mm eFasten the nut to secure the Indoor Unit 3 Panel installation Make sure the foll
17. ndensed water can be lift through the drain pump up to 750mm above the drain port 7 Easier to do cleaning and maintenance Flat type suction grille of easy cleaning Part 2 Specification Model FSK 94HF Power supply V Hz Ph 220 240V 50 1 Capacity Btu h 9000 Capacity kW 2 65 Cooling Input W 1098 Rated current A 4 87 EER Btu w h 2 42 Capacity Btu h 10000 Capacity kW 2 95 Heating Input W 1102 Rated current 4 84 COP Btu w h 2 68 Moisture Removal L h 1 input consumption WI 1320 current 6 2 Starting current 20 Model PG180X1C 4DZ3 Rotary Brand Toshiba Supplier TOSHIBA Guangdong Capacity Btu h 10800 Compressor Input W 1015 Rated current RLA 4 5 Locked rotor Amp LRA 19 8 Thermal protector UP3SE0591 T61 Capacitor uF 30UF 440 450V Refrigerant oil ml 400 Model YSK20 4 Nas Welling Changheng Input WI 46 motor Capacitor uF 1 2UF 450V Speed hi mi lo r min 980 820 770 Number of rows 2 Tube pitch a x row pitch b mm 25 4x22 Fin spacing mm 1 6 Fin type code Hydrophilic aluminium Indoor coil bu 9 53x0 35 Tube outside dia and type mm Innergroove tube Coil length x height x width mm 600 x216x44 Number of circuits 1 ndoor air flow Hi Lo mm h 470 320 Indoor noise level Hi Lo dB A 38 35
18. ng Plate II for Fan Motor 1 15 Plate clapboard 1 16 Observation Hole Cover Ass y 1 27 FSO 94HF outdoor No Part Name Quantity No Part Name Quantity 1 for front net 6 18 Wire joint 1 2 Front net 1 Wire joint 2p 1 3 Front clapboard 1 connector install board 1 4 Propeller fan 1 19 Clamp for wiring 1 5 Fan Motor 1 Washer for wire joint 1 6 Holder for fan motor 1 20 Installation board for E parts 1 7 Condenser 1 2l Liquid pipe valve 1 8 Rear clapboard 1 22 valve 1 9 Small Handle 1 4 Ways valve 1 10 Big Handle 1 23 Compressor 1 11 Separating board 1 24 Rubber underlay for compressor 3 12 Right fixing board for condenser 1 25 Rear Net 1 13 Installation plate for valves 1 26 Water collector 1 14 Chassis 1 21 Pipe temperature sensor ass y 1 15 Compressor capacitor 1 28 support angle 1 16 Capacitor clamp 1 29 Cover 1 17 Fan motor capacitor 1 28 cem Fishex Aircon Solutions Ltd Inc USA
19. o the room temperature Ta and the set temperature Ts 3 6 2 1 When Ta lt Ts 1 c it performs the heating operation with a set temperature of Ts 1 c refer to the heating mode However the cool only model will be in low fan 3 6 2 2 When Ts 2 c gt Ta gt Ts 1 c control according to cooling auto fan with a set temperature of 23 c 3 6 2 3 When Ta gt Ts 2 c it performs the cooling operation with a set temperature of Ts refer to the cooling mode 3 6 3 After one mode is chosen if the condition Ta gt Ts 1 c or lt Ts 1 c lasts for 15 minutes meanwhile the compressor doesn t start up within consecutive 15 minutes the operation mode will be re chosen according to the Ta and Ts 3 6 4 Protective condition is actived 3 7 Fan Only Mode 3 7 1 Under this mode four way valve compressor and outdoor fan are shut down 3 7 2 High Low Auto fan can be switched over through manual control Auto fan will be controlled in line with cooling auto fan with temperature set to be 23 C 3 7 3 After entering fan mode the operating indicator is on If the model is cooling only mode fan indicator is on at the same time 4 Other Functions 4 1 LED Display Operation lamp timer lamp defrosting pre heating lamp and water level alarm lamp 4 1 1 Operation Lamp When the operation is recovering it will blink at 1 Hz After the air conditioner is on the lamp will keep on After the air conditioner is off the lamp will be off
20. oller s signal can reach the indoor unit smoothly 4 Test operation Indoor unit Whether the switch on the remote controller works well Whether the buttons on the remote controller works well Whether the air flow louver moves normally Whether the room temperature is adjusted well Whether the indicator lights normally Whether the drainage is normal Whether there is vibration or abnormal noise during operation Outdoor unit Whether there is vibration or abnormal noise during operation Whether the generated wind noise or condensed of by the air conditioner have influenced your neighborhood Whether any of the refrigerant is leaked 22 Part 11 Servicing and Maintenance 1 Troubles and Solutions If any the following abnormal conditions occur turn off the power supply immediately Please contact our dealer TROUBLES Indicator lamps flash rapidly after your disconnecting and connecting the unit the situation is the same Fuse or circuit breaker work frequently Foreign matter or water has fallen into the unit Remote controller is disabled or the switch is out of hand Any other unusual conditioner is observed If any of the following conditions occur check your unit and resolve corresponding problems referring to given remediation If the trouble can t be settled contact our dealer Trouble Cause Solutions Unit does not start Power failure Wait for th
21. on 3 1 1 The manual operation mode is controlled through manual pad in the wind in take grid including such two modes as manual action and manual cooling Push the manual pad for each switchover the order for which is shown below REMOTE CONTROL MANUAL ACTION MANUAL COOLING 3 1 2 Manual Cooling 3 1 2 1 Under this mode no remote control signal will be received 3 1 2 2 The compressor is started up unconditionally and the rotating speed of indoor and outdoor fans is set to be in high and forced cooling operation At the same time the wind grille is forced to swing irrelevant to 10 temperature setting and environment temperature and will be automatically switched over to manual mode 30 minutes later under which manual mode will be in effective 3 1 2 3 Under this mode the buzzer will buzz twice with each lasting 0 5 second at 0 5 interval During the first 30 minutes of unconditional forced cooling operation the operation indicator will blink at 0 5Hz In the process of switchover to manual action mode the buzzer buzzes for 0 5 second and the indicator is illuminated 3 1 2 4 Under this mode the corresponding protections are in effective 3 minute delayed start up over current outdoor protection and evaporator low temperature protection Corresponding protection will act once any protection is in active Push manual pad once to end this mode and enter the remote control pending status The buzzer will buzz for 1 secon
22. owing before installing the panel e Downside of Indoor Unit and Ceiling must be in the same plane e Indoor Unit must be parallel with the Ceiling Hole e Check if there is water in the drain pipe Installation Procedure 1 Remove screws on panel e Panel Screws M4x16 include the four screws used to install Model Paper of the Indoor Unit and the one screw used to fix central of Indoor Unit temporarily e Do not use Model Paper when installing the panel e Remove Panel Screws and Model Paper Positioning Board Screw 18 2 Hang the Panel e Hang the panel at the hook of Indoor Unit left side Hook Swing Motor Wire 4 Fasten the screws e Lift right side of the panel then hang the hook of the panel into the buckle at right side of the amp amp amp Indoor Unit Buckle e Push Inlet Grille PUSH is marked then open it Swing Inlet Grille e Connect Panel with Swing Motor Wire Connector white and Remote Controller Wire Connector after passing through a hole e Confirm the wires are not nipped between the panel and the Indoor Unit or the panel and the amp ceiling Then fasten the screws according to the following 1 Fix the panel at central point temporarily 2 Confirm and adjust the position 3 Fix left side of panel from 2 to 3 temporarily 4 Fix right side of panel from 4 to 5 temporarily 5 Confirm the installation position 6 Fasten the 1 2 3 4 5 screws tightly e Afte
23. r auto mode and dehumidifying mode 5 1 6 2 Delay protection should be performed when the compressor restarts 5 1 7 Water level protection 5 2 Self diagnosis 5 2 1 Indoor unit No Type Contents LED Flashing Remark 1 protection Over current protection of the compressor Lamps of operation timer Whole unit is shut down occurs 4 times in 1h defrosting only fan It cannot recover unless flashing simultaneously at power is cut off 5Hz 2 protection Outdoor protection absent phrase phrase All lamps flashing at 5Hz Recover automatically sequence and temperature protection after errors are eliminated 3 error Room temperature sensor checking channel Timer lamp flashing at 5Hz is abnormal 4 error Evaporator sensor checking channel is Operation lamp flashing at abnormal 5Hz 5 error Condenser sensor checking channel is Defrosting lamp flashing at abnormal 5Hz 6 error Temperature fuse is melt reserved Operation lamp and timer lamp flashing at 5Hz 15 Part 9 Wiring Diagram 1 FSK 94HF Indoor Unit n E fe _ DISPLAY BOARD XPI INDOOR WIRING DIAGRAM CODE PART NAME OOR FAN CAP Ni C BOAR
24. r tightening Panel Screws install two screw caps to the screws at side of Air Outlet e Lead Swing Motor Wire into a hole e Hang the Strip Hook of Inlet Grille to the hole in the middle of Indoor Unit Air Inlet Check if Air Filter is installed Installation Screws Swing Motor Wire e Confirm the Strip Hook are not clipped between Inlet Grille and the Panel then push the parts which marked PUSH and close the Inlet Grille Check after installation completed e Check there is no clearance between the panel and the Indoor Unit or between the panel and the ceiling If clearance exists leakage may come e Check if there is any wire or line clipped between the Panel Indoor Unit and the Ceiling 4 Install outdoor unit 5 Refrigerant pipe connecting 1 Maximum pipe length Model Max Length Max Elevation FSK 94HF FSO 94HF 15m 5m 2 Piping sizes Model Liquid mm inch Gas mm inch FSK 94HF FSO 94HF 6 35 1 4 9 52 3 8 20 3 Piping connection 1 Measure the necessary length of the connecting pipe and make it by the following way a Connect the indoor unit at first then the outdoor unit Bend the tubing in proper way Do not harm them CAUTIONS e Daub the surfaces of the flare pipe and the joint nuts with frozen oil and wrench it for 3 4 rounds e With hands before fasten the flare nuts e Be sure to use two wrenches simultaneously when you connect or disconnect t
25. ral scour then throw off the d Water and dry it in cold place 25 Part 12 Exploded view Indoor unit FSK94HF No Part Name Quantity No Part Name Quantity l Panel frame assy 1 17 Seal Plate Ass y 1 l l Grille 1 18 Water depth sensor holder 1 1 2 Air filter 2 19 Separating board pump 1 1 3 Panel 1 20 Rubber washer pump 4 1 4 Swing motor 1 21 Pump protecting board 1 5 Up louver 1 22 Drain Pump 1 Below louver 1 23 Water depth sensor 1 1 6 Control box 1 24 evaporator cover 1 1 7 Display board Ass y 1 25 E parts assy 1 1 8 Control box cover 1 25 1 E Parts box 1 2 Water collector assy 1 25 2 Transformer 1 3 Air out guide 1 25 3 Relay 1 3 l Horizontal louver 16 25 4 Wire joint 6p 1 3 2 Connection bar 4 25 5 Main control board 1 3 3 Horizontal louver frame 1 25 6 Wire joint 2p 1 4 Cover board 1 26 Evaporator 1 Cover for e parts box 1 21 Right evaporator cover II 1 5 Motor cover 1 28 Evaporator temp sensor 1 6 Middle cover 1 29 Fan Motor 1 7 Heat insulation foam 1 30 Volute Shell below half 1 8 Motor Holder 1 3l Fan 1 9 Capacity Box 1 32 Volute Shell up half 2 10 Fan motor capacitor 1 33 Fixing Plate III for Fan Motor 2 ll Right evaporator cover 1 34 Fixing Plate IV for Fan Motor 2 12 Strengthen board 1 35 Indoor temp sensor 1 13 clapboard 1 36 Fixing Plate I for Fan Motor 1 14 Chassis 1 37 Fixi
26. to 20 C 3 3 1 4 Ending Action of Defrost 3 3 1 4 1 Outdoor fan and four way valve are open 3 3 1 4 2 Compressor keeps on continuously 3 3 1 4 3 Indoor fan acts according to anti cold air function 3 3 1 4 4 Defrosting pre heating lamp continues to be on until indoor fan starts up 3 4 Cooling Mode 3 4 1 Four way valve is closed If four way valve is open before the machine enters cooling mode then four way valve will be closed at the first time the compressor starts under the cooling mode 3 4 2 Conditions for the compressor and outdoor fan action Ts set temperature Ta room temperature Condition Compressor Outdoor fan Room Temp up Ta 5 1 On On Ta lt Ts 1 Off Off Room Temp down Ta gt Ts On On lt 5 Off Off 3 4 3 Action of Indoor Fan 3 4 3 1 HIGH LOW AUTO fan can be switched over for your comfort 3 4 3 2 Auto fan under cooling mode Condition T Indoor Temp Setting Temp Indoor fan speed Temp up T lt 4 Low T gt 4 High Temp down gt 1 High lt 1 Low 3 5 Dehumidifying Mode 3 5 1 Dehumidifying mode is the cooling operation under which the indoor fan is high and outdoor fan is low 3 5 2 Protective condition is actived 3 6 Auto Mode 3 6 1 Under auto mode the indoor fan is set to be auto refer to auto fan under cooling heating 3 6 2 When entering auto mode the heating fan only or cooling operation will be automatically chosen according t
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