Service Manual for 5KK14, 5KK21, 5 KK30
Contents
1. Accumulator ji Evaporator Capillary tube Compressor Drier p page 13 G KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 Compressor The construction of a rotary type compressor is divided into two mechanisms the drive mechanism compressor motor and the compression mechanism compres sor When the rotor shaft of the motor drive mechanism turns the roller com pression mechanism rotates to compress the refrigerant To Condenser From Evaporator Terminal Stator Strainer Cylinder Roller Lubricator Accumulator 14 page 5KK14BEA2AA00 5SKK21BGA2AA00 SKK30BGA2AA00 Compressor operation 1 Start of compression 1 The cylinder is filled with low pressure gas 2 Since pressure in the discharge chamber is higher than in the cylinder the dis charge valve is kept closed 2 Suction and compression 1 The pressure in the cylinder increases gradually 2 Refrigerant suction begins on the suc tion side of the cylinder 3 The discharge valve remains closed 3 Discharge 1 The pressure in the cylinder exceeds that in the discharge chamber and the dis charge valve opens 2 On the suction side refrigerant suction continues 4 Completion of compressio2. A 16 3 173 22 1 24 4 6 page 5KK14BEA2AA00 SKK21BGA2AA00 SKK30BGA2AA00 Service Manual lt 5KK30BGA2AA00 gt page 7 Cc KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Technical Specifications Specifications 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Cooling Capacity Btu h 13 200 19 500 21 000 28 000 29 000 Phase Single Single Single Power Supply Volts 115 208 230 208 230 Hertz 60 60 60 Power Consumption Watts 1 300 2 300 3 300 Toshiba LG Rated Current Amps 11 5 10 9 11 0 10 0 15 1 14 8 EER Btu Wh 8 6 8 9 9 3 Circuit Breaker Size Amps 15 15 20 Nema Plug Type 5 15P 6 15P 6 20P Power Cord Gauge Awg 14 14 12 Power Cord Length ft 10 6 10 Dimensions WxHxD In mm 17 5 x 19 9x43 3 22 0 x 24 4x 50 4 22 1 x 29 4x 47 3 445 x 508 x 1092 558 x 620 x 1280 561x746 x 1200 Weight Net Gross Lbs kg 132 145 5 60 66 198 216 90 98 216 234 98 106 Condensate tank Gallons Liters 3 17 12 3 17 12 3 17 12 No of Cool Air Outlets Pcs 1 2 3 a temperature F C 64 113 18 45 64 113 18745 647113 18745 ica
3. Control Box Relay Board Capacitor Drain Tank Drain Tank Switch l gt i P Le S i lt Tg N SEN N Compressor Locking Swivel Caster 10 page KOLDWAVE 5KK14BEA2AA00 SKK21BGA2AA00 5KK30BGA2AA00 Service Manual lt 5KK30BGA2AA00 gt Eva Filter Sa Control Box Relay Board a Capacitor Locking Swivel Caster 2 Caster Rear page 11 KoLDMWAVE n VP O D R Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 REFRIGERANT SYSTEM CONSTRUCTION lt 5KK14BEA2AA00 5KK21BGA2AA00 gt lt Flow of Condenser Air Outlet Refrigerant Condenser Motor Condenser Evaporator Capillary tube Drier 12 page KOLDWAVE 5KK14BEA2AA00 SKK21BGA2AA00 SKK30BGA2AA00 Service Manual lt 5KK30BGA2AA00 gt Condenser VE
4. 33 Component parts General Safety Information Troubleshooting chart ASSEMBLY For 5KK30BGA2AA00 34 Component parts General Safety Information Troubleshooting chart DISASSEMBLY For 5KK14BEA2AA00 38 Disassembly Control panel removal Electrical parts and relay board removal Fan motor removal DISASSEMBLY For 5KK21BGA2AA00 45 Disassembly Control panel removal Electrical parts and relay board removal Fan motor removal DISASSEMBLY For 5KK30BGA2AA00 52 Disassembly Control panel removal Electrical parts and relay board removal Fan motor removal REFRGERANT SYSTEM REPAIR sisssesscssececasesesesecesscasssesadvescosscesssesadvasdesecesssesess 59 Brazing Removal of Refrigerant System Components Charging the System with R 410A Refrigerant Refrigerant Charging Work E EN page 3 KoLbwavE T o Oo s d lt lt A D Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 GENERAL DESCRIPTION General air conditioning system 1 conventional air conditioners cool the entire enclosed environment 2 They act as heat exchangers equiring an interior unit evaporator to blow cool air into the interior and an exterior unit condenser
5. 56 page KOLDWAVE 5KK14BEA2AA00 SKK21BGA2AA00 5KK30BGA2AA00 Service Manuai lt 5KK30BGA2AA00 gt Capacitor for Compressor Control Box Cable Tie X T Km Case Current Braker Relay Board Capacitor for motor page 57 KOLDWAVE O __ T Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Fan Motor Removal lt 5KK30BGA2AA00 gt 1 Bell mouse Eva Top Cover 2 Condenser Fan 3 Housing for Condenser Fan 4 Motor Bracket Partition Plate e Housing for Evaporator Fan 1 Take off the two 4 bolts and then remove the bell mouse 2 Loosen the set screw with a hex key and then remove the condenser fan 3 Take off the three 3 nuts and then remove the condenser fan housing 4 Take off the four 4 nuts and then remove the fan motor together with the mo tor bracket 5 Loosen the set screw with a hex key and then remove the evaporator fan 6 Take out the four 4 nuts and then remove the fan motor 58 page QQP lt h r lt 3 O TSS P G KOLDWAVE 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Service Manuai REFRIGERANT SYSTEM REPAIR Brazing In the event of a leak obstruction or trouble in the refrigerant system of the unit replace or repair the defective component After replacing defective component braze all connections 1 Proper brazing techniq
6. 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 Condenser filter Casters Figure 2 Rear and Left Side View Discharge Ducts Supply Air Duct 1 Remove the cool air outlet hose from the box 2 Place the cool air outlet hose on the front top of the unit as shown in Figure 4 3 Use screws to install the cool air outlet hose to the front of the unit screws attached to the cool air outlet hose Figure 4 Cool Air Outlet attachment EXHAUST FLANGE Optional An exhaust flange can be purchased separately Exhaust flange fits over the top exhaust fan duct improving cooling efficiency allowing hot air t be exhausted to another location 1 Remove exhaust flange from carton 2 Place exhaust flange on the top of air conditioner 3 Use screws enclosed inside of box with exhaust flange to install exhaust flange on air conditioner as shown in Figure 5 Figure 6 AMBIENT AIR ADAPTER Optional An ambient air adapter can be purchased separately Air adapter fits over the condenser to duct condenser air to the unit to improve cooling efficiency 1 Remove air adapter from carton 2 Place air adapter on the side of air conditioner 3 Use screws enclosed inside of box with air adapter to install the adapter on the air conditioner as shown in Figure 6 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 ASSEMBLY 5KK21BGA2AA00 Component parts E Cool
7. On Activates Defect control FT Tank Full Switch to 20 mA at DC12 Contact Normally closed LED FT V Off signal shows FT Output signal ON 24 page KOLDWAVE 5KK14BEA2AA00 SKK21BGA2AA00 SKK30BGA2AA00 Service Manual Control Specifications 1 EVAPORATOR FAN MOTOR e When the BLOWER button is pressed the RL1 3 fan motor HI LOW relay on the relay board turns on operating the fan Specifications RL1 3 Fan motor HI LOW relay output 10 A at AC 250 V 2 Compressor start control e When the ON OFF button is pressed the RL4 relay on the relay board turns on operating the compressor Specifications RL4 Compressor On Off relay output 5 A at AC 250 V 3 Anti freeze control e Anti freeze controls turns the compressor on and off by turning the RL4 relay on in accordance with the freeze protection thermistor TH3 temperature As a result decreases in cooling performance due to frost buildup on the evaporator are prevented e Compressor off conditions Freeze protection thermistor TH3 temperature lt 28 4 F 2 C e Compressor on recovery conditions TH3 ICE temperature gt 33 8 F 1 C ON C3 OFF 28 4 F 33 8 F TH3 temperature 2 C 1 C Evaporator out temperature page 25 KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 4 Compressor time delay control compressor protection Compressor protection co
8. 1 Take off the three 3 bolts of evaporator top cover 2 Loosen the set screw with a hex key and then remove the evaporator fan 3 Take off the five 5 bolts of the Eva scroll and then remove the Eva scroll 4 Loosen the set screw with a hex key and then remove the condenser axial fan 5 Take off the four 4 hex bolts from the condenser motor bracket and then remove the condenser fan motor 6 Take off the four 4 hex bolts from the evaporator motor bracket and then remove the evaporator fan motor page 43 KOLDWAVE o Tv RN OA A Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 lt 5KK14BEA2AA00 gt Capacitor for Compressor Control Box Ka Stand Off Cable Tie a Relay Board OCR Over Current Relay MCCB Mold Case Current Braker 44 page 5KK14BEA2AA00 5SKK21BGA2AA00 SKK30BGA2AA00 KOLDWAVE Service Manual DISASSEMBLY For 5KK21BGA2AA00 Disassembly x Cooling Air ge m crews aT rew Drain Tank A IA Service Panel er 1 Remove the drain tank 2 Remove two 2 support lines and remove front panel 3 Take out the eight 8 screws and then remove the coolin
9. 1 The condenser is a heat exchanger with Louver fins 2 Heat is given off and absorbed by air be ing pulled across the condenser fins by the axial fan The air is then expelled through the condenser air outlet 16 page KOLDWAVE 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Service Manuai Capillary Tube The capillary tube is a long thin tube that utilizes line flow resistance as an expansion valve The length and the inner diameter of the capillary tube are determined according to the ca pacity of the refrigeration system lt operating conditions and the amount of refrigerant The high pressure high temperature liquid refrigerant sent from the condenser expands rapidly as the refrigerant is sprayed out through the fixed orifice in the capillary tube As a result the temperature and state of the refrigerant becomes low and mist like and therefore evaporates easily Low Temp Low Pressure High Temp High Pressure Gas and Liquid Mixture Liquid Refrigerant Evaporator The evaporator is a heat exchanger covered with slit fins Heat is removed from the air being pulled across the evaporator by the centrifugal fan The resulting cool air is expelled through the cooling air ducts Accumulator The accumulator is mounted on the s
10. air outlet hose lt Top fan wire grille Display Control board Evaporator filter Front and Right Side View ESUME operation POWER CORD HOLDER 1 Take out the cord holder from the accessory box 2 Place the cord holder on the back side of air conditioner 3 Use screws enclosed inside to install the cord holder on the Figure 3 DISCHARGE DUCTS SUPPLY AIR DUCT 1 Remove cool air outlet hose s from carton 2 Place the cool air outlet hose s on the front top of air conditioner 3 Use screws enclosed inside of box with cool air outlet hose s to install the cool air outlet hose s on the air conditioner as shown in Figure 5 Figure 5 of accessory box with cord holder air conditioner as shown in Figure 3 Guide bar for condensate water tank lt Condensate water tank Water level is sensed and the unit operation is stopped when tank is full An alarm will be displayed Empty the tank and replace to KOLDWAVE Service Manual Back and Left Side View RUBBER STOPPERS Figure 4 Rubber stopper Side handle lt Condenser filter E lt Caster Electrical access panel Power cord holder 1 Take out the rubber stoppers from the accessory box 2 Place the rubber stoppers on the back side of air conditioner 3 Use screws enclosed inside of accessory box with rubber stoppers to install the rubb
11. metal may also combine with oxygen in the air to form an oxide film In addition grease and oils may stick to the pipe during handling All these factors will reduce the effectiveness of brazing Therefore excess brazing filler metal must be removed with sand paper and by thorough cleaning with a solvent such as Trichlene 4 Dry Nitrogen gas use e During brazing the inside of the pipe undergoes an oxidative reaction due to the brazing flame Introduce dry nitrogen gas 0 3 gal min 1 L min adjust with the flow regulator through the pinch off tube of the refrigerant cycle to prevent oxi dation NOTE Do not get foreign matter such as dirt water or oil into the piping 5 Vertical joints e For vertical joints heat the entire brazed fitting to the proper brazing temperature Bring the brazing filler metal into contact with the fitting so that the brazing filler metal begins to flow e Stop heating the fitting as soon as the braz My Vertical Down Joint e 45 Brazing Filler Metal ing filler metal has flown into the gap clear E ance Since the brazing filler metal flows easily into portions heated to the proper temperature the entire fitting must be kept at the proper brazing temperature Vertical Up Joint Burner Brazing Filler Metal 60 page Sg t 8 _ KOLDWAVE 5KK14BEA2AA00 SKK21BGA2AA00 5KK30BGA2AA0
12. the upright position on an even flat surface Unit must be posi tioned at least 24 inches 60 cm from the nearest object in any direction 23 Stop operation immediately if abnormal noise or odor is noticed Contact a lo cal service center 24 Appliance is not to used by children or persons with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction 25 Children being supervised not to play with appliance 26 That the appliance shall be installed in accordance with national wiring regula tions 27 If the supply cord is damaged it must be replaced by the manufacturer its ser vice agent or similarly qualified persons in order to avoid a hazard SAVE THESE INSTRUCTIONS 36 page 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 Troubleshooting chart Symptom Water leakage Possible Cause s High water level in conden sate tank KOLDWAVE Service Manual Corrective Action 1 Remove blockage from drain hose 2 Remove any object stuck undeerneath of the black panel nuder the water tank The unit doesn t work 1 Check the power supply to verify that power is avail able to the unit 2 Verify that the power cord is connected 1 Reset the circuit breaker and restart the unit 2 Connect power cord No cold air flows from the cold air outlet 1 Ambient air cannot be properly cooled if the filter is dirty a
13. 0 Service Manual Charging the System with R 410A Refrigerant e Always ensure that the refrigerant system has been properly evacuated before charging with the specified amount of R 410A e Equipments is only for R 410A e Liquid charge no gas charge e Make sure not to use more than 90 of the initial weight of R 410A in the cylin der A WARNING eWhen handling refrigerant R 410A the following precautions should al ways be observed Always wear proper eye protection while handling refrigerant Maintain the temperature of the refrigerant container below 104 F 40 C Perform repairs in a properly ventilated area Never in an enclosed environ ment Do not expose refrigerant to an open flame Never smoke while performing repairs especially when handling refrigerant Be careful the liquid refrigerant does not come in contact with the skin e If liquid refrigerant strikes eye or skin Do not rub the eye or the skin Splash large quantities of cool water on the eye or the skin Apply clean petroleum jelly to the skin Go immediately to a physician or to a hospital for professional treatment page 61 G KOLDWAVE Service Manual Connection of gauge manifold 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 1 Properly remove the crushed end of the pinch off tube at the high pressure side and the low pressure side of the refrigerant cycle with a pipe cutter 2 Fit the process tube fitt
14. 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Control panel Before operating the unit it is important to be familiar with the basic operation of the control panel D B B B 1 POWER BUTTON e Activates unit when POWER BUTTON is pressed e Fan starts on low speed e If POWER BUTTON is pressed during operation unit stops 2 BLOWER BUTTON e Changes fan speed from LOW to HIGH when pressed 3 SPOT COOL BUTTON e Activates compressor and begins producing cool air 5 seconds after button is pressed e Regulates temperature based on outlet cool air temperature 4 ROOM COOL BUTTON e Activates compressor and produces cool air 5 seconds after button is pressed e Regulates temperature based on inlet ambient air temperature 20 page 5KK14BEA2AA00 SKK21BGA2AA00 SKK30BGA2AA00 Service Manual 5 SET TEMP BUTTON e Change target temperature data value by 1 e Change data value by 10 by pressing continually e Press the SET TEMP BUTTONS to set temperature e Upper button is to heighten temperature and Lower button is to lower temperature 6 ALARM e Alarm indicator light blinks and indicates abnormal system operation e If Alarm occurs compressor stops System operation stops when ALARM light is activated blinking longer than 3 minutes 7 CURRENT TEMP e Room cool mode displays current room temperature in display in Fahrenheit e SPOT COOL Mo
15. LC KOLDWAVE KOLDWAVE Portable Air Conditioners 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 SERVICE MANUAL page 1 KoLbwavE T __ T SL UV JJ Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Table of Contents GENERAL DESCRIPTI ON Li i sisisi iis stiss sisssssssssssiss k kssisssssssisssssisssssssssssasss 4 General air conditioning system Portable air conditioning system SPECIFICATIONS E 5 Exterior Dimension Diagram Technical Specifications Characteristics CONSTRUCTION 4 4 4ss3s s ya s s s st sinb akan sins e een eege raneke deel 9 Internal Structure REFRIGERANT SYSTEM CONSTRUCTION 12 Compressor Compressor lubrication Condenser Capillary Tube Evaporator Accumulator ELECTRICAL SYSTEM Ae 18 Circuit Diagram Control panel Program Setting Controller Board Control Specifications Self Diagnostic Codes Compressor Evaporator Fan Motor Condenser Fan Motor Capacitor Molded Case Circuit Breaker Magnetic Contact Thermal Relay Temperature Thermistor Drain Tank Switch BECH 2 page D VOO T K F G KOLDWAVE 5KK14BEA2AA00 SKK21BGA2AA00 5KK30BGA2AA00 Service Manual ASSEMBLY For 5KK14BEA2AA00 32 Component parts General Safety Information Troubleshooting chart ASSEMBLY For 5KK21BGA2AA0 0
16. WITCH Gr PRESSURE Te PS SWITCH Q PRESSURE IT SWITCH FLOAT ED switch fe FLOAT ST T SWITCH 18 page 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 KOLDWAVE Service Manual MB LO E power T POWER L 1 STO L 1PAC 208 230V 1P AC 208 230V Net s 08 230 T T t 6 1 N AC115 Cp HEZER CP 8 Spark com DN a cP 55 MC1 OCR 1 Arrestor ik 24 ala C CONTROL Em io COMP r N 2 R BOARD dE S co ss co Comp e 5 COM OverLoad e ER 56 Lat H RELAY Net H E L FAN S L gs E n COM Motor COM ee e G THI OUT TEMP B Em OUT_TEMP ER L SENI SENSOR e SENSOR TH2 vm e TH2 IN TEMP SEN2 SENSOR e TH2 SENSOR T3 ICE TEMP e E ICE TEMP SENS SENSOR e TH3 SENSOR PS PRESSURE Tel Ps com SWITCH ey PS eg er HIGHPRESSURE LOW PRESSURE SWITCH SWITCH option DRAIN FU PUMP FLOAT e e opti FU SWTCH e TD option FT FLOAT e com SWITCH e EL ar DATA E CABLE E POWER BLOWER SPOTICOOL ROOMICOOL page 19 G KOLDWAVE Mm o bj e lt _ Service Manual
17. ation Function Connector ON OFE Button If POWER BUTTON is pressed during operation unit stops FAN Button Changes fan speed from LOW to HIGH when pressed Regulates t ture based tlet cool ai SONS SET TEMP A Button gulates temperature based on outlet cool air temperature SET TEMP Button Regulates temperature based on inlet ambient air Sensor Input Specification Symbol Type R Connector Characteristic Short Detection Open Detection vn OUT TEMP 10kohmat 181 F 83 C or 29 F 34 C or mai SENSOR 77 F 25 C more less ro N TEMP SEN 10kohmat 181 F 83 C or 29 F 34 C or ere SOR 77 F 25 C more less TH3 ICE TEMP SEN 10k ohm at 181 F 83 C or 29 F 34 C or ge SOR 77 F 25 C more less External Input Signal Specification Symbol Signal Specification Function Connector On Between 10 On Activates Defect control CO Comp Overload to 20 mA at DC12 Contact Normally open LED co V Off No signal shows CO Output signal ON GE EN On Between 10 Off Activates Defect control FU Failure H to 20 mA at DC12 Contact Normally open LED FU V Off signal shows FU Output signal ON On Between 10 On Activates Defect control PS Pressure Switch to 20 mA at DC12 Contact Normally closed LED PS V Off signal shows PS output signal ON On Between 10
18. aust flange on air conditioner as shown in Figure 10 POWER CORD HOLDER 1 Take out the cord holder from the accessory box 2 Place the cord holder on the back side of air conditioner 3 Use screws enclosed inside of accessory box with cord holder to install the cord holder on the Figure 9 air conditioner as shown in Figure 9 Figure 10 DISCHARGE DUCTS SUPPLY AIR DUCT 1 Remove cool air outlet hose s from carton 2 Place the cool air outlet hose s on the front top of air conditioner 3 Use screws enclosed inside of box with cool air outlet hose s to install the cool air outlet hose s on the air conditioner as shown in Figure 11 AMBIENT AIR ADAPTER Optional c An ambient air adapter can be purchased separately Air adapter fits over the condenser to duct condenser air to the unit to improve cooling efficiency 1 Remove the Filter A 2 Check the Filter C is inserted properly in Intake Warm Air Duct B 3 Install B which contains C by using driver with enclosed bolts 6EA as Figure 12 Figure 12 34 page r s F Q _ KOLDWAVE 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Service Manuai General Safety Information Please read this manual carefully for instructions on correct installation and usage Please read all safeguards E Transport and store the unit in an upright position only Le
19. ave unit in an upright position for at least 3 hours before first use 2 Always place the unit on an even level surface 3 Ensure the unit is connected to a grounded power supply of the correct rating capacity 4 The unit will cool when the room temperature is between 18 C 64 4 F 45 C 113 F depending on the thermostat setting 5 DO NOT use this unit for functions other than those described in this instruction manual DO NOT tilt the unit DO NOT cover or obstruct the unit s inlet and outlet grilles DO NOT use the unit in areas where it will be exposed to rain or water NEVER unplug the unit while it is operating LD ON On y D W ARN I N G DO NOTuse the unit in wet environments such as a laundry room to avoid the risk of electrical shock 10 DO NOT place any foreign objects on the unit 11 DO NOT operate the unit with wet or damp hands 12 DO NOT allow chemical substances to come into contact with the unit 13 DO NOT operate the unit in the presence of flammable substances or vapors such as alcohols pesticides gasoline etc WARNING DO NOT operate the unit in explosive or flammable environments 14 DO NOT use the plug to start and to stop the unit Always use the control panel to start and to stop the unit 15 Always turn off the unit when it is not in use and unplug the power plug from the electrical outlet 16 Always turn the unit off and unplug the main power plug f
20. but ton to resume operation Drain pump alarm Drain pump defective or improper hose con nection including kink or block age e Check the hose connection and hose e Replace drain pump page 27 G KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 Compressor 1 Compressor motor e The compressor motor is a single phase motor and is contained within the same housing as the compressor Specifications Rated Voltage Rated Output 5KK14BEA2AA00 115V 1175W 5 5KK21BGA2AA00 208 230 V 2000W 1980W 5KK30BGA2AA00 208 230 V 2700W 2715W 15 2 Compressor overload relay e The compressor overload relay is used to protect the compressor motor The relay interrupts the flow of current when there is an overload condition and high temperature builds up in the compressor Inner protector COMPR MOTOR Run capacitor 28 page 5KK14BEA2AA00 SKK21BGA2AA00 SKK30BGA2AA00 Service Manual Fan Motor for 5KK14BEA2AA00 5KK21BGA2AA00 Evaporator Fan Motor The fan motor is a single phase induction type The motor rotates the fan e The following table shows the specifications of the fan motor used for each model NOTE An internal overload relay is used to protect the fan motor This relay is built into the fan motor and interrupts the flow of current when there is an over current situation or if abnormally hig
21. c 10 IT IC temperature setting SO 5 I Frost prevention sensor KOLDWAVE 5KK14BEA2AA00 SKK21BGA2AA00 SKK30BGA2AA00 Service Manual Relay Board The relay board contains the compressor and fan on relays in addition to a step down transformer that converts the line voltage 5KK14BEA2AA00 115 VAC 5KK21 BGA2AA00 208 230 5KK30BGA2AA00 208 230 VAC to 12V This voltage is then converted from AC to DC and used for relay coil activation The 12 V DC power is sent to the control panel assembly 1 Power supply requirements The 5KK14BEA2AA00 requires a single phase 115 V 60 Hz power supply while the 5KK21BGA2AA00 5KK30BGA2AA00 requires a single phase 208 230 V 60 Hz power supply 2 Relay board fuse The relay board fuse is the only serviceable component on the relay board assem bly This fuse provides protection against damage to the step down transformer The fuse must be replaced with the exact same part or a suitable equivalent Specifications 3 15 A 250 VAC i CAUTION Failure to use the exact same fuse may result in damage to the 2 unit and or components and will also void the unit warranty page 23 Cc KOLDWAVE Service Manual 3 Input Signal 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 The relay board receives inputs from the control panel sensors and external devices to perform device control Control Panel Input temperature Symbol Indic
22. crews 4 n e TT a d o HH O Circuit Breaker 1 Remove the drain tank 2 Remove two 2 support lines and remove front panel 3 Take out the twelve 12 screws and then remove the cooling air duct 4 Take out the four 4 screws and then remove the service panel 5 Off the circuit breaker For safety KOLDWAVE Service Manual 5KK14BEA2AA00 5SKK21BGA2AA00 SKK30BGA2AA00 6 Take out the nineteen 19 screws and then remove the upper panel 7 Unfasten the connector from the control panel and then remove the front panel 8 Remove the air filter from the back panel Screws 19 Upper Panel Control panel Connector Air Filter page 53 G KOLDWAVE Service Manual Screws 13 Ki ef Screws 2 Low Cover Panel A of crews 4 j y 1 Screws 7 E Right Side Panel 54 page 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 9 Take out the thirteen 13 screws and then remove the back cover panel 10 Take out the four 4 screws Unfasten two 2 screws to a half point and then remove the low cover panel 11 Take o
23. de displays outlet cool air temperature during normal operations e In order to change F to C press SPOT COOL and ROOM COOL buttons together for 2 seconds Cwill blink 2 times and the figure will change to C e ALARM codes blink and are displayed when abnormal operation occurs 8 TARGET TEMP e Displays the unit set temperature for ROOM COOL mode only NOTE The room temperature display range is from 14 F to 122 F When displayed in C the range is from 10 C to 50 C page 21 Cc KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Program Setting ON OFF when keep depressing more than 1 seconds Temperature Setting Program Setting Auto restored when no setting is made in each mode Keep a depressing g El more than El Temperature 3 seconds dependence El Delay time Change Change 1 1 Target 1 1 Temperature Power Switch Deviation 1 temperature IC temperature 1 St Change Auto restored when no setting is made in each mode Indication Description the range of setting Delay time setting of COMP operation dt EX If setting is 3mins it takes 3mins to be ON after COMP is OFF Deviation temp setting dF Ex It operates between 30 c to 34 c 2 c if dF setting is EZE 2 c under 32 c temp setting 1 5minutes control is available per 1 minute r Temperature Correction 10c 10 E d Temperature Correction 10
24. er stoppers on the air conditioner as shown in Figure 4 WARM AIR TOP EXHAUST DUCT Figure 6 J Optional A warm air top exhaust duct can be purchased separately Exhaust duct fits over the top exhaust fan duct improving cooling efficiency allowing hot air to be exhausted to another location 1 Remove duct from carton 2 Place duct on the top of air conditioner 3 Use screws enclosed inside of box with duct to install duct on air conditioner as shown in Figure 6 page 33 G KOLDWAVE Service Manual ASSEMBLY 5KK30BGA2AA00 Component parts 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Cool air outlet hose T Display Control board T Evaporator filter Y Guide bar for condensate water tank Condenser filter lt Condensate water tank Water level is Electrical access panel sensed and the unit operation is stopped when tank is full An alarm will be ug displayed Empty the tank and replace to Figure 8 lt Caster resume operation Back and Left Side View Power cord holder Figure 7 Front and Right Side View TOP FAN EXHAUST FLANGE 1 Remove the top fan exhaust flange from carton 2 Place the top fan exhaust flange on the top of air conditioner 3 Use screws enclosed inside of box with the top fan exhaust flange to install the top fan exh
25. g air duct 4 Take out the three 3 screws and then remove the service panel 5 Off the circuit breaker For safety page 45 G KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 6 Take out the fourteen 14 screws and then remove the upper panel Screws 14 Upper Panel 7 Unfasten the connector from the control panel and then remove the front panel 8 Remove the air filter from the back panel 3 9 Take out the two 2 screws and d then remove the back plate panel Keess DO QQ PSS KS VY SS YVA ISSIS Kee KSS LV VY SS KS VIS PO PO PO PO PO KSS PR POSIT SS Serres ARI EE VY KSS PO PO POS POS POCO PRC PIN EEN K Screws 2 Back Plate Panel Air Filter SS SS E 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 Screws 8 RI Screws 4 Low Cover Panel 8 Screws 2 Screws 8 Right Side Panel G KOLDWAVE Service Manual 10 Take out the eight 8 screws and then remove the back cover panel 11 Take out the four 4 screws Unfasten two 2 screws to a half point and then remove the low cover panel 12 Take out the eight 8 screw
26. h temperature builds up in the fan motor Condenser Fan Motor The fan motor is a single phase induction type The motor rotates the fan The following table shows the specifications of the fan motor used for each model NOTE An internal overload relay is used to protect the fan motor This relay is built into the fan motor and interrupts the flow of current when there is an over current situation or if abnormally high temperature builds up in the fan motor Fan Motor for 5KK30BGA2AA00 The fan motor is a single phase induction type The motor rotates the fan on both the evapora tor side and the condenser side at the same time The following table shows the specifications of the fan motor used for each model NOTE An internal overload relay is used to protect the fan motor This relay is built into the fan motor and interrupts the flow of current when there is an over current situation or if abnormally high temperature builds up in the fan motor page 29 Cc KOLDWAVE Service Manual 5KK14BEA2AA00 SKK21BGA2AA00 5KK30BGA2AA00 Capacitor Capacitor The capacitor is used to improve the rotational power of the fan motor and compressor at start up The specification for each capacitor is shown below Check capacitance Capacitor Rated Voltage Capacitance Compressor 250v 45uF 5KK14BEA2AA00 Evaporator Fan Motor 450v 10uF Condenser Fa
27. he pinch off tube 4 Ensure that a gas leak is not present at the pinched off portion and the brazed end To Refrigerant Cycle Side Pinch Off Tool To Gauge Manifold Side page 63 KoLbwavE D s lt lt v A A A Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 US WARNING Do not attempt any repair on a charged system amp WARNING Before checking for gas leaks fully confirm that there is nothing flammable in the area to cause an explosion or fire Contact of refrigerant with an open fire generates toxic gas 64 page
28. iagnostic codes are displayed on the Display Panel under the following condi tions Alarm Display Problem Frost prevention sensor and Ab normal tempera ture sensor value Refrigerant high pressure switch Cause Indoor heat exchanger temperature too low e TH3 temperature sensor has a loose or broken connection e Blocked air filter e Blocked kinked exhaust duct e Ambient temperature is too high Corrective Action Do not use the air condition er if ambient temperature is lower than 18 C 64 F e Contact a qualified service agent e Clean air filter e Ensure exhaust duct is not blocked kinked Do not use the air condition er if ambient temperature is higher than 45 C 113 F Abnormal tem perature sensor value TH1 Outlet tempera ture sensor has a loose or broken connection Contact a qualified service agent Abnormal tem perature sensor value TH2 Inlet temperature sensor has a loose or broken connection Contact a qualified service agent Compressor over loaded e Ambient temperature is too high e Unstable voltage supply Defective compressor Do not use the air condition er if ambient temperature is higher than 45 C 113 F e Contact a qualified service agent Replace compressor Condensate water level alarm Condensate tank is full e Empty the water tank After installation of the water tank press the SPOT COOL or ROOM COOL
29. igerant cyl inder R 410A 2 Loosen the nut on the gauge manifold side of the charging hose Open the valve of the charging hose Open the valve of the refrig erant cylinder After air purging tighten this nut and close the valve of the refrigerant cylinder 3 Securely place the refrigerant cylinder on a scale with a weighing capacity of 70 Ib 30 kg that is graduated by 0 2 oz 5 g KOLDWAVE Service Manual Valve Setting Valve of Refrigerant Cylinder Lo HI Specified Amount Lo HI Open Closed of Refrigerant Closed Closed Low Pressure Valve Pressure Side Tube 4 Open low the high pressure valve of the gauge manifold and the valve of the refrigerant cylinder Charge the system with refrigerant to the specified amount Standard Amount of Refrigerant 5KK14BEA2AA00 Toshiba 15 9 oz 451 g LG 15 5 oz 400 g 5KK21BGA2AA00 42 3 oz 1200 g 5KK30BGA2AA00 51 8 oz 1730 g charging The amount of refrigerant charged has a great effect on the cooling capacity of the unit Charge to the specified LA CAUTION amount always observing the scale graduations while 5 Close the high pressure valve of the gauge manifold and the valve of the refrigerant cylinder 2 Removal of gauge manifold 1 Crimp the pinch off tube with a pinch off tool 2 Remove the gauge manifold and the pro cess tube fitting Crush the end of the pinch off tube 3 Braze the end of t
30. ing to the pinch off tube on both sides ting 3 Connect the charging hoses low pressure side for the gauge manifold to the tube fit NOTE Connect the hoses using care not to Cycle Side Pinch Off Tube Low Pressure Charging Hose Side Refrigerant mistake the high pressure side for the low pressure side and vice versa 4 Connect the charging hose at the center of the gauge manifold to the vacuum pump Valve Closed High Pressure Valve Closed e itting h a Y d 2 Low Pressure Evacuation Side Tube Vacuum Pump when stopped 1 Open the low pressure valve LOW of the gauge manifold 2 Turn on the vacuum pump to start evacua Low Pressure Gauge tion Evacuate the system for approximately 30 min Valve 3 When the low pressure gauge indicates 30 inHg 100 kPa turn off the vacuum pump and close the Low pressure valves of the gauge manifold 4 Leave the high pressure valve and the low pressure valve of the gauge manifold closed 30 inHg 100 kPa or larger 3 lt Low Pressda Vacuum Pump when stopped Low Pressure Side Tube for five min or more and confirm that the gauge pointer does not return to zero esI 62 page 5KK14BEA2AA00 5SKK21BGA2AA00 SKK30BGA2AA00 Refrigerant Charging Work 1 Refrigerant charging 1 Remove the charging hose from the vacuum pump and connect it to the refr
31. ker 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 Screws 7 N Screws 2 d XF v Front Panel Connector LC KOLDWAVE Service Manual 5 Take out the seven 7 screws Un fasten two 2 screws to a half point Pull the front panel forward 6 Disconnect the connector from the control panel and then remove the front panel 7 Take out the five 5 screws and then remove the upper panel page 39 Cc KOLDWAVE Service Manual Back Screws 5 1 Screws 10 lt Air Filter Air Filter Screws 8 MA e Left Side Panel 40 page 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 8 Take out the five 5 screws and then remove the back cover 9 Remove the air filter from the right side panel 10 Take out the ten 10 screws and then remove the Right side panel A CAUTION Be careful not to damage temperature sensor 11 Remove the air filter from the left side panel 12 Take out the eight 8 screws and then remove the Left side panel 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 Control Panel Removal Screws Control Panel KOLDWAVE Service Manual 1 Take out the four 4 screws and then remove the control panel page 41 Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Electrical
32. n 1 When compression is completed all of the refrigerant has been drawn from the suction chamber 2 Operation then returns to step 1 Start of compression and the above process of suction and compression continues repeatedly in succession KOLDWAVE Service Manual Discharge Roller Discharge Roller Discharge Valve page 15 G KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Compressor lubrication The lubrication system is comprised of a hollow shaft an oil scraper mounted at the end face hollow shaft a shaft journal shaft bearing and the lubrication groove for the shaft journal The lubrication groove is wider than the oil hole When the shaft turns oil is scraped upward by the oil scraper along the inside diameter of the hollow shaft The oil is fed through the oil hole by centrifugal force then supplied to the lubrication groove for each shaft journal lubricating the bearing In this lubrication system oil enters into each bearing separately and returns to the oil reservoir This system effectively pre Oil Hole Gil Scrapper vents bearing temperature increases and offers high reliability In addition the specially treated shaft jour nal keeps the bearing from being damaged during high temperature operation Rotor Hollow shat Eccentric Shaft Cylinder Y Oil Feed Groove Condenser
33. n Motor 450 v 3 5uF Compressor 370 v 50uF 5KK21BGA2AA00 Evaporator Fan Motor 450 v But Condenser Fan Motor 450 v 8uF EEGEN Compressor 370v 50uF Fan Motor 450 v 27uF Temperature Sensor e Outlet temp sensor TH1 is installed on top of the evaporator and detects evaporator outlet temperature as a resistance value e Inlet temp sensor TH2 is installed in front of evaporator and detects evaporator inlet tem perature as a resistance value e Ice temp sensor TH3 is installed in the evaporator outlet piping and detects low temperature on the evaporator as a resistance value Specification Symbol Type A Connector Characteristic Short Detection Open Detection TH1 OUT TEMP SENSOR 10k ohm at 181 F 83 C or 29 F 34 C TH1 77 F 25 C more orless 10 k ohm at 181 F 83 C or 29 F 34 C TH2 IN TEMP SENSOR 77 F 25 C more rF less TH2 10 k ohm at 181 F 83 C or 29 F 34 C TH3 ICE TEMP SENSOR 77 F 25 C more or less TH3 E 30 page KOLDWAVE 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 Service Manual Drain Tank Switch e The drain switch activates and stop the operation of compressor motor and fan motor when approximately 3 17 gal 12 L of drain water accumulates in the drain tank At the same time control panel display FL and compressor and fan operations stop This system uses a 250 V 0 1 A
34. n sa W pri 64 86 18 30 64 86 18730 64 86 18730 E temperature rr 3286 0730 32 86 030 32 86 0730 Spot cool mode Koa Area Room ft2 m 377 35 527 50 743 70 Type R 410A R 410A R 410A Rerigerant oz g sj BL Wi 42 3 1200 44 4 1250 Design Pressure Hi Low Psig oe 450 250 450 280 Indoor Air Flow High CFM CMH 283 247 512 477 741 635 Low 480 420 870 810 1560 1447 pcs 4 4 4 Wheels diameter 76mm 102mm 102mm Hot Air Duct Diameter In mm 12 300 16 400 16 400 Maximum Duct Length ft m 16 5 30 9 60 18 Compressor overload protector Anti freezing thermister Full drain tank switch Safety Devices Autometic restart Power interruption Compressor time delay program High pressure switch eatures Temperature control Self diagnostic function Two sppeds fan Optional drain pump kit Washable filters F C display BECH 8 page KOLDWAVE 5KK14BEA2AA00 SKK21BGA2AA00 SKK30BGA2AA00 Service Manual CONSTRUCTION Internal Structure lt 5KK14BEA2AA00 gt amp Control Box Relay Board Capacitor Control Panel Drain Tank Compressor Cooling Air Duct Locking Swivel Caster page 9 G KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 lt 5KK21BGA2AA00 gt
35. nd not regularly cleaned 2 Compressor will not work if the unit isturned off and on quickly 3 The ambient air tempera ture may be too high 1 Clean the filter 2 Wait 2 minutes after unit is turned off before turning the unit back on 3 The temperature of the compressor can be higher when the ambient tem perature is too high The compressor will not work unless the ambient air temperature is within the acceptable operating range of the unit Water flow can be heard after compressor shuts off No cause Common to hear coolant flowing after unit shuts off Alarm displays FT with less than half of condensate water in the tank Spring is possibly broken Spring is possibly broken Replace a new spring page 37 KOLDWAVE 3 O J Service Manual 5KK14BEA2AA00 SKK21BGA2AA00 5KK30BGA2AA00 DISASSEMBLY For 5KK14BEA2AA00 Disassembly 1 Remove the drain tank 2 Take out the four 4 screws and then remove the cooling air duct Cooling Air Duct Screws 4 A Drain Tank 3 Take out the three 3 screws and then remove the electric cover Y a Screws 3 wae cover ei e T 4 Off the circuit breaker E Ah For safety T i EU Circuit Brea
36. nnector 5 O Capacitor for Evaporator Motor page 49 KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 lt 5KK21BGA2AA00 gt Capacitor for Compressor Cable Tie Capacitor for Eva motor A Zi x L 4 Capacitor for Cond motor ai Pa OCR Over Current Relay Relay Board 50 page 5KK14BEA2AA00 SKK21BGA2AA00 SKK30BGA2AA00 Service Manual Fan Motor Removal lt 5KK21BGA2AA00 gt 4 Axial Fan 20 gt 5 Condenser Motor _k 5 Condenser Motor Bracket 1 Eva Top Cover 6 Evaporator 2 Evaporator Fan Partition Motor Bra cat 1 Take off the three 3 bolts of evaporator top cover 2 Loosen the set screw with a hex key and then remove the evaporator fan 3 Take off the five 5 bolts of the Eva scroll and then remove the Eva scroll 4 Loosen the set screw with a hex key and then remove the condenser axial fan 5 Take off the four 4 hex bolts from the condenser motor bracket and then re move the condenser fan motor 6 Take off the four 4 hex bolts from the evaporator motor bracket and then re move the evaporator fan motor page 51 G KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 DISASSEMBLY For 5KK30BGA2AA00 Disassembly Cooling Air Duct Front Panel Drain Tank Service Panel gt 9 S
37. nsists of a time delay program within the microproces sor This program prevents a heavy load from being applied to the compressor motor when restarting the unit room cool mode or spot cool mode after a very short period of time This delay is in effect any time the compressor is turned on by either the POWER ON OFF button or ROOM COOL or SPOT COOL ON OFF button Specifications Time Delay 120 sec 5 Automatic restart and recovery function e The microprocessor contains a feature that automatically restart the unit after power is lost and regained and also has memory to store and recover operation status in the even of a power loss Status of memory during power interruption e When the input power is off the status items below are saved in the memory Running status on or off Operating mode Cool mode or fan only mode Set temperature Temperature mode F or C 6 Temperature control e During cool mode temperature control changes the RL4 compressor on off relay status according to TH3 temperature in the available range 4 F to 140 F 20 C to 60 C ON RL4 Compressor Relay OFF Set Temp 3 F Set Temp Set Temp 1 7 C Inlet Air Temperature When compressor operation continues within this range for more than 5 minutes the RL4 relay stops 26 page 5KK14BEA2AA00 5SKK21BGA2AA00 SKK30BGA2AA00 Self Diagnostic Codes KOLDWAVE Service Manual Self d
38. parts and relay board removal lt 5KK14BEA2AA00 gt Full Drain Switch Z Compressor Ald Condenser Motor lt AZ i Oo SSS S Capacitor Z e SNP For Compressor N OR SEAR AE S S 65 0 CO FT FT FU FU PS PS o ji Wa as I TH2 DAT zann T TAS Ta Ke MY 1 a b A O Data Cable Connector i O j d ak ay 3 FUSE Lemc EXT CP AC J le eee e P SE q 4 Acta ey gt AN DN 1 MC Magnetic Contactor Gu blo Ye N q ma Pl 5 o d H POWER SUPPLY amp OI DE NE d W d Compressor I d D R C S A N kz j L 5 q TU A Q E L 1 N 1 Fan Motor lt r for Condenser Ye gt MCCB Mold Case Current Braker co OCR Over Current Relay 42 page 5KK14BEA2AA00 SKK21BGA2AA00 SKK30BGA2AA00 Service Manual Fan Motor Removal lt 5KK14BEA2AA00 gt 5 Condenser Motor Bracket 1 Eva Top Cover b 6 Evaporator Motor 6 Evaporator Motor Bracket 2 Evaporator Fan Partition 3 Eva Scroll
39. rating micro switch for this function e When approximately 3 17 gal 12 L of drain water accumulates in the drain tank the drain tank base plate which is supported at fulcrum a is pushed down in the direction of the arrow e When the drain tank base plate is forced down portion A located at the top of the drain tank base plate turns off micro switch contacts 1 2 L Evaporator Drain Pan N Portion A SSSSSSSSSSSSSSSSSS Ke m Drain Tube RAR ege Relay Portion A Board NC De gt TN page 31 Cc KOLDWAVE Service Manual ASSEMBLY 5KK14BEA2AA00 Component parts Cool air outlet hose Condensate water tank Water level is sensed and the unit operation is stopped when tank is full An alarm will be displayed Empty the tank and replace to resume operation Figure 3 Power Cord Holder attachment Figure 5 32 page Guide bar for condensate water tank Top fan wire grille Display Control board Evaporator filter Power cord holder Electrical access panel Power Cord Holder 1 Remove the power cord holder from the accessory pack 2 Place the power cord holder on the rear of the unit as shown in Figure 3 3 Use screws to install the power cord holder to the rear of the unit screws inside the accessory pack
40. rom the electrical outlet before cleaning moving or performing maintenance page 35 G KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 17 AVOID the use of adapter plugs or extension cords If it is necessary to use an extension cord or an adapter plug to operate the unit ensure that they are correctly rated for the application Consult a local gualified electrician and all local electrical codes to ensure proper setup Any extension cord used with this device must be rated for a minimum of 15A 18 DO NOT unplug the unit by pulling on the electrical cord Keep electrical cord away from heat sources and always completely unroll the cord to avoid over heating If the power cord becomes damaged a qualified service agent guali fied electrician or similarly qualified person must replace it in order to avoid a hazard or shock 4 WARNING oo vor operate a unit with a damaged power cord 19 The filters must be used with the product at all times When the filters are removed for cleaning always ensure that the unit has been turned off and unplugged from the electrical outlet 20 Regularly clean the filters to maintain efficiency If the filters are not cleaned regularly the units output performance and efficiency will decline and energy consumption will increase 21 DO NOT operate the unit with a damaged power cord or plug after it malfunc tions has been dropped or damaged 22 Only use in
41. s and then remove the right side panel page 47 G KOLDWAVE Service Manual OR Screws 8 Left Side Panel Screws 4 control Panel 48 page 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 13 Take out the eight 8 screws and then remove the left side panel 1 Take out the four 4 screws and then remove the control panel KOLDWAVE 5KK14BEA2AA00 5SKK21BGA2AA00 SKK30BGA2AA00 Service Manual Electrical parts and relay board removal lt 5KK21BGA2AA00 gt Full Drain Switch D MC Magnetic Contactor Compressor R 5 o TH1 cpl cp Capacitor 69 09 FT FT FU FU PS PS 5 ge e for Compressor D r1 POWER SUPPLY O O d Wi j O s O P IIA MCCB Mold case DS em 5 Fa Current Braker HLEMC EXT CP AC E So co TEE OCR Over Current Relay Se N 1 L N 2 Fan Motor for Condenser i PAP PASA 2 V Compressor for Condenser Motor R C O Data cable co
42. to exhaust exchanged heat to the outdoors Indoor Unit Outdoor Unit N Zu fe Su Se gt Me Ki FR Ee Evaporator Condenser Portable air conditioning system 1 The 5KK14BEA2AA00 5KK21BGA2AA00 5KK 30BGA2AA00 is a spot cooler which directs cool air to particular areas or objects e n 2 The 5KK14BEA2AA00 5KK21BGA2AA00 5KK 30BGA2AA00 has the following features 3 The innovative design of the KK14BEA2AA 00 5KK21BGA2AA00 5KK30BGA2AA00 has resulted in one compact unit replacing the need for two separate units 4 With the whole cooling system built into one compact unit the 5KK14BEA2AA00 5KK21BG A2AA00 5KK30BGA2AA00 requires no piping and can be easily transported and installed 5 The 5KK14BEA2AA00 5KK21BGA2AA00 5KK 30BGA2AA00 is economical because it cools only the area or objects which need to be cooled 4 page KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 SPECIFICATIONS iagram D imension Exterior D lt 5KK14BEA2AA00 gt 5 6 ER 19 8 12 13 1 17 5 page 5 KoLbwavE yK P o S NM oy Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 lt 5KK21BGA2AA00 gt
43. uction gas pip ing between the evaporator and the compressor The accumulator separates the liquid refrigerant from the gas refrigerant allowing only the gas refrigerant to enter the compressor In the accumulator suction gas isled into a cylindrical vessel where the speed of the gas is decreased This process separates the refrigerant contained in the gas by the force of gravity causing the refrigerant to accumulate at the bottom of the vessel As a result the compressor is protected from possible damage caused by liquid refrigerant intake From Evaporator d To Compressor lt 4 page 17 G KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 ELECTRICAL SYSTEM Circuit Diagram lt 5KK14BEA2AA00 5KK21BGA2AA00 gt F MB 8 I E e N 19 Power E EL AC115V COMP I I Spark COND Motor Q MC1 OCR1 Arrestor ak ri CONTROL a BOARD st Ja 9 9 r Comp Over Load ae Comp SS CO co Over Load Ri COM EAVP 9 H Motor L T1 OUT TEMP QH 3 OUT TEMP SENSOR QH SENSOR IN_TEMP amp IN TEMP TH2 SENSOR QH SENSOR ICE TEMP QH ICE TEMP TH3 SENSOR Gi SENSOR DRAIN FU FLOAT Lei PUMP S
44. ues e When brazing use a slightly reduced flame Oxyacetylene is commonly used since the flame condition can be easily judged and adjusted Unlike gas welding a sec ondary flame is used for brazing Properly preheat the base metal according to the shape size and thermal conductivity of the brazed fitting The most important point in flame brazing is to bring the entire brazed fitting to a proper brazing temperature Care should be taken not to cause overflow of the brazing filler metal oxidation of the brazing filler metal or filler metal deteriora tion due to overheating the flux 2 Brazed fittings and fitting clearance In general the strength of the brazing filler metal is lower than that of the base metal As such the shape and clearance of Clearance brazed fittings are very important Concern 0 001 0 003 in ing the shape of brazed fittings adhesive 0020 Qirim area must be maximized In addition the Y clearance of the brazed fitting must be mini I 2 T mized so that the brazing filler metal will flow into the fitting via capillary action Clearance From The Pipe Fitting and Tubing page 59 G KOLDWAVE Service Manual 5KK14BEA2AA00 5KK21BGA2AA00 SKK30BGA2AA00 3 Cleaning brazing filler metal and piping When the refrigerant system has been opened exposure to heat may cause the brazing filler metal to stick to the inside and outside of the piping Brazing filler
45. ut the seven 7 screws and then remove the right side panel KOLDWAVE 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Service Manual Left Side Panel 12 Take out the seventeen 17 gt screws and then remove the left e d Y side panel 9 H Screws 17 1 Take out the four 4 screws and then remove the control panel Control Panel page 55 G KOLDWAVE 5KK14BEA2AA00 5KK21BGA2AA00 5KK30BGA2AA00 Service Manual Electrical parts and relay board removal lt 5KK30BGA2AA00 gt MC Magnetic Contactor Jo ERED o O O UR o 19 O SCH ese MCCB Mold case 606000 Sl Current Braker L 1 NI HLEMC COM CP Capacitor OCR Over Current Rela capacitor for Compressor _ Fan Motor 3 Relay Low oa
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