MDV10U-014HW(202000171547)User`s manual(MDV
Contents
1. owner s manual 4 Table 5 2 SDV4 105EAA Display Malfunction or Protection EA Communication malfunction between indoor outdoor units E4 T3 amp T4 temperature sensor malfunction E5 Power voltage protection E6 Fan Protection E7 Compressor discharge temperature sensor malfunction E9 EEPROM malfunction EA A fan in the Aregion run for more than 5 minutes in Heat mode Eb 2 times of E6 protection in 10 minutes HO Communication malfunction between IR341 main board BEE P2 Low pressure protection P3 Input current protection P4 Compressor discharge protection temperature P5 Condenser high temperature protection P6 Inverter module protection P8 Typhoon protection PE Indoor evaporator hi tempprotection LO Module malfunction L1 DC generatrix low voltage protection L2 DC generatrix high voltage protection Reserved MCE malfunction simultaneously cycle loop Zero speed protection Reserved Wrong phase protection Speed difference gt 15Hz protection between the front and the back clock Speed difference gt 15Hz protection between the real and the setting speed Display Function Instruction 1 When stand by LED displaying the amount of indoor units online which communicate with outdoor units 2 When operation LED displaying frequency value of compressor 3 When defrost LED displaying dF owner s manual 5 6 FOLLOWING SYMPTOMS ARE NOT AIR CONDITIONER TROUBLES Symptom 1 The system does not operate m The air co2. The air filter is dirty Inlet outlet of indoor outdoor units is blocked Doors and windows are open Sunlight directly shine Too much heat resource Outdoor temp is too high Leakage of refrigerant or lack of refrigerant Outdoor temperature is lower than 7 C Doors and windows not completely closed Leakage of refrigerant or lack of refrigerant Wait for the comeback of power Switch on the power ReplLocation Replace the batterises or check the controller Set the temperature properly Wait Check leakage and rightly recharge refrigerant Vacuum and recharge refrigerant Maintenance or change compressor Install manostat Find reasons and solution Clean the heat exchanger Clean the air filter Eliminate all dirties and make air smooth Close doors and windows Make curtains in order to shelter from sunshine Reduce heat source AC cooling capacity reduces normal Check leakage and rightly recharge refrigerant Use heating device Close doors and windows Check leakage and rightly recharge refrigerant owner s manual rg 7 2 Troubles and causes of remote controller Before asking for serving or repairing check the following points see in Table 7 2 Table 7 2 Symptoms The fan speed can not be changed The remote controller signal is not transmitted even when the ON OFF button is pushed The TEMP indicator does not come on The indication on the displa
3. FULL DC INVERTER SYSTEMS OWNER S MANUAL SDV4 105EAA SDV4 140EAA SDV4 160EAA COMMERCIAL AIRCONDITIONERS SDV4 SS SINCLAIR Original instructions ai Fig 1 air outlet Fixleg airinlet Refrigerant piping connection part connection part in side g NOTE All the pictures in this manual are for explanation purpose only They may be slightly different from the air conditioner you purchased depend on model The actual shape shall prevail SDV4 160EAA complying with IEC 61000 3 12 CONTENTS PAGE IMPORTANT SAFETY INFORMATION PARTS NAMES OPERATION RANGE OPERATION AND PERFORMANCE MALFUNCTION CODE OF OUTDOOR UNIT FOLLOWING SYMPTOMS ARE NOT AIR CONDITIONER TROUBLES TROUBLESHOOTING 1 IMPORTANT SAFETY INFORMATION To prevent injury to the user or other people and property damage the following instructions must be followed Incorrect operation due to ignoring of instructions may cause harm or damage The safty precautions listed here are divided into two categories In either case important safty information is listed which must be read carefully A WARNING Failure to observe a warning may result in death The appliance shall be installed in accordance with national wiring regulations CAUTION Failure to observe a caution may result in injury or damage to the equipment gt WARNING gt Ask your dealer for installation of t
4. cision instruments food plants animals or works of art Before cleaning be sure to stop the operation turn the breaker off or pull out the supply cord Otherwise an electric shock and injury may result In order to avoid electric shock or fire make sure that an earth leak detector is installed Be sure the air conditioner is grounded In order to avoid electric shock make sure that the unit is grounded and that the earth wire is not connected to gas or water pipe lightning conductor or telephone earth wire In order to avoid injury do not remove the fan guard of the outdoor unit Do not operate the air conditioner with a wet hand An electric shock may happen owner s manual 1 Do not touch the heat exchanger fins These fins are sharp and could result in cutting injuries Do not place items which might be damaged by moisture under the indoor unit Condensation may form if the humidity is above 80 the drain outlet is blocked or the filter is polluted After a long use check the unit stand and fitting for damage If damaged the unit may fall and result in injury To avoid oxygen deficiency ventilate the room sufficiently if equipment with burner is used together with the air conditioner Arrange the drain hose to ensure smooth drainage Incomplete drainage may cause wetting of the building furniture etc Never touch the internal parts of the controller Do not remove the front panel Some parts insi
5. de are dangerous to touch and a machine trouble may happen Never expose little children plants or animals directly to the air flow Adverse influence to little children animals and plants may result Do not allow a child to mount on the outdoor unit or avoid placing any object on it Falling or tumbling may result in injury Do not operate the air conditioner when using a room fumigation type insecticide Failure to observe could cause the chemicals to become deposited in the unit which could endanger the health of those who are hypersensitive to chemicals Do not place appliances which produce open fire in places exposed to the air flow from the unit or under the indoor unit It may cause incomplete combuston or deformation of the unit due to the heat Do not install the air conditioner at any place where flammable gas may leak out If the gas leaks out and stays around the air conditioner a fire may break out The appliance is not intended for use by young children or infirm persons without supervision Young children should be supervised to ensure that they do not play with the appliance When capacity of indoor unit greater than the sum of 100 capacity of indoor unit will be attenuated When capacity of indoor unit greater than or equal to the sum of 120 in order to ensure the effectiveness of machine and then try to open the indoor units at different time The outdoor unit window shades should be per
6. e unit by yourself Ask a qualified service person to perform this work Do not dispose this product as unsorted municipal waste Collection of such waste separately for special treatment is necessary Do not dispose of electrical appliances as unsorted gamm municipal waste use separate collection facilities Contact you local government for information regarding the connection systems available If electrical appliances are disposed of in landfills or dumps hazardous substances can leak into the groundeater and get into the food chain damaging your health and well being To prevent refrigerant leak contact your dealer When the system is installed and runs in a small room it is required to keep the concentration of the refrigerant if by any chance coming out below the limit Otherwise oxygen in the room may be affected resulting in a serious accident The refrigerant in the air conditioner is safe and normally does not leak If the refrigerant leaks in the room contact with a fire of a burner a heater or a cooker may result in a harmful gas Turn off any combustible heating devices ventilate the room and contact the dealer where you purchased the unit Do not use the air conditioner until a service person confirms that the portion where the refrigerant leaks is repaired A CAUTION Do not use the air conditioner for other purposes In order to avoid any quality deterioration do not use the unit for cooling pre
7. f the indoor unit and then repeatly push the ON OFF button twice owner s manual 8 Take back of electrical waste Information for Users to Disposal of electrical and electronic equipment private households Icon on the product or in the accompanying documentation means that used electric or electronic products must not be disposed together with domestic waste For the correct disposal of the product hand it over to a place for take back where it is collected free of charge By correct disposal of the product you can help to preserve valuable natural resources and help in preventing potential negative impacts to environment and human health which could be consequence of incorrect disposal of waste Ask for more details from local authorities nearest collection point in Waste Acts of respective country in the Czech Republic in Act no 185 2001 Coll in the wording of later regulations In case of incorrect disposal of this waste a fine can be imposed according to national regulations Manufacturer Sinclair Corporation Ltd 1 4 Argyll Street London W1F 7LD United Kingdom Supplier and technical support Nepa spol s r o Purky ova 45 612 00 Brno Czech Republic www nepa cz Toll free info line 420 800 100 285
8. he air conditioner Incomplete installation performed by yourself may result in a water leakage electric shock and fire Ask your dealer for improvement repair and maintenance Incomplete improvement repair and maintenance may result in a water leakage electric shock and fire In order to avoid electric shock fire or injury or if you detect any abnormality such as smell of fire turn off the power supply and call your dealer for instructions Never let the indoor unit or the remote controller get wet It may cause an electric shock or a fire Never press the button of the remote controller with a hard pointed object The remote controller may be damaged Never replace a fuse with that of wrong rated current or other wires when a fuse blows out Use of wire or copper wire may cause the unit to break down or cause a fire It is not good for your health to expose your body to the air flow for a long time Do not insert fingers rods or other objects into the air inlet or outlet When the fan is rotating at high speed it will cause injury Never use a flammable spray such as hair spray lacqueror paint near the unit It may cause a fire Never touch the air outlet or the horizontal blades while the swing flap is in operation Fingers may become caught or the unit may break down Never put any objects into the air inlet or outlet Objects touching the fan at high speed can be dangerous Never inspect or service th
9. imize product operation 7 TROUBLESHOOTING 7 1 Troubles and causes of air conditioner If one of the following malfunctions occur stop operation shut off the power and contact with your dealer E The operation lamp is flashing rapidly twice every second This lamp is still flashing rapidly after turn off the power and turn on again E Remote controller receives malfunction or the button does not work well EM A safety device such as a fuse a breaker frequently actuates m Obstacles and water enter the unit m Water leaks from indoor unit m Other malfunctions If the system does not properly operate except the above mentioned cases or the above mentioned malfunctions is evident investigate the system according to the following procedures see in Table 7 1 owner s manual 6 Table 7 1 Symptoms Unit does not start Air flowing normally but completely can t cooling Units start or stop frequently Low cooling effect Low heating effect Power failure Power switch is off Fuse of power switch may have burned Batteries of remote controller exhausted or other problem of controller Temperature is not set correctly Be in 3 minutes protection of compressor Refrigerant is too little or too much Air or no concreting gas in the refrigerating circuit Compressor is malfunction Voltage is too high or too low System circuit is blocked Outdoor unit and indoor unit heat exchanger is dirty
10. iodic cleaning in case of being jammed This window shapes is heat dissipation outlet of components if being jammed will cause the components shorten their service life spans because of overheated for a long time The temperature of refrigerant circuit will be high please keep the interconnection cable away from the copper tube 2 PARTS NAMES The air conditioner consists of the indoor unit the outdoor unit the connecting pipe and the remote controller see Fig 1 Force Cooling Control Force cooling control Button sw1 Display control button sw2 MAIN BOARD OUTDOOR UNIT Fig 2 1 Force Cooling Control Force cooling control of outdoor unit be pressed once that a order to force cooling in indoor unit When the frequence of outdoor unit change to 44Hz and then running it indoor fan run in high speed Press the button again will exit the Force Cooling Control Display function The function of text run circulate as following SDV4 140EAA SDV4 160EAA Normal display won Display Operating mode ae The last fault or protection 0 Stanby 2 Cooling code if there is no fault or protection code it will be display nn 3 Heating 4 Forced cooling y Operating fan speed grade The quantities of the operating 0 Power off interior units v The total capacity Total quantities of the interior requirements of the units interior unit J T2 average temperature 2 n A The capacity
11. is changed over to heating operation after defrost operation Moisture generated by defrost becomes steam and is exhausted Sptom 4 Noise of air conditionerscooling Symptom 4 1 Indoor unit m A continuous low shah sound is heard when the system is in cooling operation or at a stop When the drain pump optional accessories is in operation this noise is heard m A pishi pishi squeaking sound is heard when the system stops after heating operation Expansion and contraction of plastic parts caused by temperature change make this noise Symptom 4 2 Indoor unit outdoor unit E A continuous low hissing sound is heard when the system is in operation This is the sound of refrigerant gas flowing through both indoor and outdoor units m Ahissing sound which is heard at the start or immediately after stopping operation or defrost operation This is the noise of refrigerant caused by flow stop or flow change Symptom 4 3 Outdoor unit m When the tone of operating noise changes This noise is caused by the change of frequency Symptom 5 Dust comes out of the unit EM When the unit is used for the first time in a long time This is because dust has gotten into the unit Symptom 6 The units can give off odours EM The unit can absorb the smell of rooms furniture cigarettes etc and then emit it again Symptom 7 The outdoor unit fan does not spin H During operation The speed of the fan is controlled in order to opt
12. nction occurs because of disturb please reconnect the air conditioner to power then turn on it again 4 4 Three minute protection feature A protection feature prevents the air conditioner from being activated for approximately 3 minuites when it restarts immediately after operation owner s manual 3 4 5 Cooling and heating operation The indoor unit of the intelligent inverter centralized air conditioner can be controlled solely but the indoor unit in the same system can not run cooling and heating at the same time When the Cooling and Heating operation confront with each other the Indoor Unit which are running on Cooling Mode would stop and there will be Standby or No Priority displayed in the Control Panel Those Indoor Units which are running on Heating Mode will run continuously If the Air Conditioner Administrator has set running mode then the air conditioner can not run on modes other than the presetted Standby or No Priority will be displayed in the Control Panel 4 6 Features of heating operation Warm air will not be blown out immediately at the beginning of the heating operation 3 5 minutes ago depends on the indoor and outdoor temperature until the indoor heat exchanger become hot then blows out warm air During operation the fan motor in the outdoor unit may stop running under high temperature During Fan Operation if other Indoor Units are running on Heating Mode the fan may sto
13. nditioner does not start immediately after the ON OFF button on the romote controller is pressed If the operation lamp lights the system is in normal condition To prevent overloading of the compressor motor the air conditioner starts 3 minutes after it is turned ON m If the operation lamp and the PRE DEF indicator cooling and heating type or fan only indicator cooling only type light it means you choose the heating model When just starting if the compressor has not started the indoor unit appears anti cold wind protection because of its overlow outlet temperature Symptom 2 Change into the fan mode during cooling mode a In order to prevent the indoor evaporator frosting the system will change into fan mode automatically restore to the cooling mode after soon a When the room temperature drops to the set temperature the compressor goes off and the indoor unit changes to fan mode when the temperature rises up the compressor starts again It is same in the heating mode Symptom 3 White mist comes out of a unit Symptom 3 1 Indoor unit m When humidity is high during cooling operation If the interior of an indoor unit is extremely contaminated the temperature distribution inside a room becomes uneven It is necessary to clean the interior of the indoor unit Ask your dealer for details on cleaning the unit This operation requires a qualified service erson Symptom 3 2 Indoor unit outdoor unit BE When the system
14. p in order to prevent sending heat wind 4 7 Defrost in the heating operation During heating operation outdoor unit sometimes will frost To increase efficiency the unit will start defrosting automatically about 2 10 minutes and then water will be drained out from outdoor unit During defrosting both the fan motors in the outdoor unit and indoor unit will stop running 5 MALFUNCTION CODES OF OUTDOOR UNIT Table 5 1 SDV4 140EAA SDV4 160EAA PEM Malfunction or Protection HO Outdoor indoor units unmatching Reserved EO EEPROM Fault E2 Communication fault of the outdoor chip and the indoor chip E3 Communication error between Main board and IR341 E4 Outdoor unit sensor fault E5 Voltage protection fault E6 Direct current fan fault ET Heating fan fault in the area A lasts for 5 minutes E8 There are two times E6 fault in 10 minutes recovery will be after power off PO The cooling fin high temperature protection High pressure protection Low pressure protection Compressor current protection Discharge temperature protection Outdoor condenser high temperature protection IPM modules protection Evaporator high temperature protection Typhoon protection Display Function Instruction 1 When stand by LED displaying the amount of indoor units online which communicate with outdoor units 2 When operation LED displaying frequency value of compressor 3 When defrost LED displaying dF
15. r unit is blocked Strong wind is Continuously blowing to the air outlet of the outdoor unit E Heating Operation Too much dust and rubbish adhere to the dust filter in the indoor unit The air outlet of indoor unit is choked Q NOTE 5 When the protection equipment starts please shut down the manual power switch and restart operation after problem is solved 4 2 About power cut If power is cut during operation stop all the operation immediately Power comes again The lamp on the display panel of indoor unit flashes And then unit will auto restart Mishandling in operation If mishandling happens because of lighting or mobile wireless please shut off the manual power switch and turn on again then push the ON OFF button 4 3 Heating capacity The heating operation is a heat pump process that heat will be absorbed from outdoor air and released in doors Once the outdoor temperature is decreased heating capacity decreased corredpindingly Other heating equipment is suggested to be used together when outdoor temperature is too low n some extreme cold upland that buy another inddoor unit equipped electrical heater will obtain better performance Refer to indoor unit owner s manual for details g NOTE 1 The motor in Indoor Unit will continue running for 20 30 seconds for to remove residual heat when the Indoor Unit receiving OFF command during heating operation 2 Ifthe air conditioner malfu
16. requirements of the revised external unit Actual voltage AD value y T3 piping temperature Actual current value T4 environmert temperature PMV opening A T5 discharge temperature The surface temperature of actyal if it is over one the cooling fin undred it will be only A display the hundreds place and the tens place owner s manual 2 The function of text run circulate as following SDV4 105EAA Normal display Operating mode 0 Stanby 2 Cooling 3 Heating 4 Forced cooling Operating fan speed grade 0 Power off Y The total capacity requirements of the interior unit The capacity requirements of the revised external unit Y T3 piping temperature y T4 environmert temperature T5 discharge temperature actual if it is over one hundred it will be only display the hundreds place and the tens place The surface temperature of the cooling fin Display The last fault or protection code if there is no fault or protection code it will be display nn A Version of the program A Priority mode Reserved A Model 8KW 8 10KW 10 18KW 18 A The quantities of the operating interior units Total quantities of the interior units T2 average temperature Actual voltage AD value Actual current value PMV opening A Q NOTE 12 hours preheating is imperative after turn on the power switch Please do not shut down the power
17. when the unit is supposed to stop running in 24h or shorter time This is to warm the crankcase heat box to avoid compulsive start of condenser Pay attention not to block the air inlet and outlet Blocks may decrease the efficiency of the unit or startup the protector which will stop running 3 OPERATION RANGE Use the system in the following temperature for safe and effective operation The Max operation temperature for the air conditioner Cooling Heating Table 3 1 Outdoor temperature Cooling operation 15C 43 C Room temperature 17 C 32 C Heating operating 15 C 27 C NOTE 1 If air conditioner is used outside the above conditions it may cause the unit to function abnormally 2 The phenomenon is normal that the surface of air conditioning may condense water when the relative larger humidity in room please close the door and window Optimum performance will be achieved within these 3 operating temperature range 4 OPERATION AND PERFORMANCE 4 1 Protection Equipment This Protection Equipment will enable the Air Conditioner to stop when the Air Conditioner is to be directed running compulsively When the Protection Equipment is activated the Operation Indicator still lights while the Air Conditioner is not running But the Check Indicatior Lights The protection equipment may be activated in following conditions E Cooling Operation The air inlet or air outlet of outdoo
18. y disappears after a lapse of time The TIMER ON indicator goes off after a lapse of certain time No receiving tone sounds from the indoor unit even when the ON OFF button is pressed Check whether the MODE indicated on the display is AUTO Check whether the MODE indicated on the display is DRY Check whether the batteries in the remote controller are exhausted Check whether the MODE indicated on the display is FAN ONLY e Check whether the timer operation has come to an end when the TIMER OFF is indicated on the display Check whether the timer operation is started when the TIMER ON is indicated on the display Check whether the signal transmitter of the remote controller is properly directed to the infrared signal receiver of the indoor unit when the ON OFF button is pressed When the automatic mode is selected the air conditioner will automatically change the fan speed When dry operation is selected the air conditioner automatically change the fan speed The fan speed can be selected during COOL FAN ONLY and HEAT The power supply is off The temperature cannot be set during FAN mode The air conditioner operation will stop up to the set time Up to the set time the air conditioner will automatically start and the appropriate indicator will go off Directly transmit the signal transmitter of the remote controller to the infrared signal receiver o
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