Marine Air Conditioners Service Manual
Contents
1. Check Valve Heat Exchange with Cross Flow Blower Heat Exchanger with Axial Flow Fan Sy mb d ol 1 Supply Blower Motor Each RLA Each 12 4 19 6 25 0 Electronic Expansio n Valve Capillary Filter Heat Exchanger with Centrifugal Thermal Expansio n Valve Vapour Liquid Separator MARINE AIR CONDITIONERS Heat Pump lt Capillary Y gt 2 i Heat Exchanger With Centrifugal Fan 7 Comp PRODUCT The direction of Cooling The direction of Heating Check Valve ES Assistant capillary Y 4 Way Valve Y seawater inlet seawater outlet Vapour Liquid Separator GREE COMMERCIAL AIR CONDITION MARINE AIR CONDITIONERS CONTROL MARINE AIR CONDITIONERS CONTROL CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Dry Operation Unit start and running in cooling or dry mode fan running Satisfying open comp condition Pump and comp running Temp of back water lt Set temp 1 Comp stop Comp stop for3 min MARINE AIR CONDITIONERS CONTROL 1 2 Heating Operation Unit start and running in heating mode Fan running Satisfying open comp condition Pump comp and valve running Temp of back water Set temp 1 Comp stop Comp stop for 3 min 2 MAIN LOGIC 2 1 Cooling Dry Mode 1 Cooling ON Condition Compressor ON Tamp Tsett 1 C and no error at the s2. from piping eCharge nitrogen to weld and the nitrogen pressure is 0 5 0 1kgf c m relative pressure 5 Install electromagnetic valve Install electromagnetic vale elnstall the electromagnetic valve in new 4 way valve 6 Inspect the system and charge refrigerants eVacuumize and charge refrigerants after confirmation that there is no leakage of the system 39 MARINE AIR CONDITIONERS 4 3 Tube in tube heat exchanger MAINTENANCE Disassembly and Assembly of tube in tube heat exchanger Process Pictorial View Handling Description 1 Disconnect bushing from 4 way valve Disconnect bushing from 4 way valve eHeat connecting pipe of bushing and 4 way valve by gas welding and then unplug bushing enitrogen fill protection shall be conducted on welding joint and the pressure of nitrogen is 0 5 0 1kgf c m relative pressure eHeat it with caution in case the surroundings get burnt due to high temperature 2 Unplug pipe clamp Unplug pipe A clamp eUnscrew the pipe clamp to disconnect the bushing from side plate of evaporator 3 Assemble pipe clamp Assemble 4 clamp eFix the bushing and side plate of evaporator by pipe clamp 40 MARINE AIR CONDITIONERS MAINTENANCE 4 Connect the bushing with pipeline of 4 way valve Connect the bushing
3. C 30 DEHUMIDFY MODE 61 F 86 F or 16 30 Press this button to change the operation mode in order of AUTO ad 3 MODE button ao Note the cooling only without 3 mode 4 ON OFF button Press this button to turn on or turn off the unit 5 iB It shows all the setting contents Note Cover remove will not change the display contents 6 FAN button Press this button to change the fan speed 15 MARINE AIR CONDITIONERS CONTROL AUTO FAN 3 1 2 Display View 16 MARINE AIR CONDITIONERS CONTROL SWING FAN AUTO FAN 4 AUTO WR O Display Function description 1 Fan speed display HIGH MID LOW and AUTO speed the AUTO Run automatically 27 Cooling Dry Display of mode operation Only fan run 7 Heating Cooling only type without heat mode 3 Digital display Display of set temperature 4 Display of ON OFF 3 2 Wired Remote Controller 3 2 1 Operation View 17 MARINE AIR CONDITIONERS CONTROL NO Name Function description 18 MARINE AIR CONDITIONERS CONTROL Remote receiver Receive the signal from the mainboard 2 Digital display Display of set temperature 3 Fan speed display Display of HIGH MID LOW or AUTO speed In COOL mode the LED marked will be light i
4. With pipeline of 4 way valve eWeld bushing by gas welding enitrogen fill protection shall be conducted on welding joint and the pressure of nitrogen is 0 5 0 1kgf c m pressure relative eHeat it with caution in case the surroundings get burnt due to high temperature 4 4 Fan and Fan Motor Disassembly and Assembly of Fan and Fan Motor Process Pictorial View Handling Description 1 Disassemble fan Disassemble fan eDisassemble fan by screwdriver 2 Install fan Install Fan 5 EXPLODED VIEWS AND PART LIST 1 Model CYR7NaK Exploded View eFix the fan by screwdriver 41 MARINE AIR CONDITIONERS MAINTENANCE Ss Parts List NO Name of part Part code Quantity 1 Reverse valve solenoid 430004005 1 2 Temperature sensor 3900020721 1 3 Temperature sensor 3900020720 1 4 Electric box cover 01419405 1 5 Capacitor 33010044 1 6 Terminal 42010254 1 7 Capacitor 33010013 1 8 Transformer 43110239 1 9 Main PCB 30225306 1 10 Electric box 01409405 1 11 Display panel 30295002 1 12 Cover assy 01259401 1 13 Duct connecter 06329402 1 14 Blower assy 15019401 1 15 Drain pipe 01279460 2 16 Clamp 01729602 4 17 Handle 26235401 1 18 Condenser fixer 021400054 1 19 Evaporator assy 01023908 1 20 Capillary assy 04103910 1 21 Filter 11129404 1 22 Condenser coil 01139404 1 23 Reverse
5. FF Compressor Water Pump 4 way Valve Send Command CONTROL 11 MARINE AIR CONDITIONERS CONTROL 2 2 Heating Mode Defrosting Auxiliary Electric Heater 1 Heating ON Condition Compressor ON if Tam lt Tset 1 C and there is no error at the same time the heating will be entered Description 1 The indoor unit starts up when the command has been sent 2 Water pump starts up at the same time 3 Compressor starts up when the water pump has started up for 5s 4 When compressor firstly starts up for 15s 4 way valve is energized Sequence Chart Indoor Fan Compressor Water Pump 4 way Valve 1 Send command 2 Betweenness of Heating Condition 1 C lt Tamp lt Tsett 1 C and no error at the same time if there is error handle it according to troubleshooting sequence Description 1 Indoor fan keeps original status 2 Water pump keeps original status 3 Compressor keeps original status 4 4 way valve keeps original status 3 Heating OFF Condition TampZ Tsett1 C and and no error at the same time if there is error handle it according to troubleshooting sequence 12 MARINE AIR CONDITIONERS CONTROL Description 1 Indoor fan is running at setting speed 2 Compressor stops 3 5slater water pump stops 4 4 way valve keeps being energized Sequence Chart Indoor Fan Compressor Water Pump 4 way Valve Send command 4 Heating OFF Descr
6. Sensor Protection Low Pressure Low Pressure Switch Protection of Compressor Communication Error Protection 1 2 3 6 Indoor Ambient Temp FO Temp Sensor Sensor Error MAINTENANCE Control Description When continuous 35 high pressure is detected fo turn off the system 4 way valve is excluded when heating and E1 It be recovered E1 is cleared by pressing button ON OFF Press ON OFF again to resume running will be displayed cannot Under Cool or Dry mode after the compressor has been running fo continuous 15min if Teva 2 C is detected for continuous 3min compressor will stop fan will keep original status nixie display indicator will display E2 When Teva 210 C for continuous 1s it will recover and system will work normally After 4min startup of compressor detection for low pressure is executed When detect that the low pressure switch breaks for 30s the system is turned off 4 way valve is excluded when heating and indoor fan stops after the compressor has stopped for 30s is displayed and buzzer is warning It can t recover automatically Press ON OFF to clear the warning of voice When communication error has been detected for 1min system is turned o 94 way valve is excluded when heating and indoor fan stops after the compressor has stopped for 30s and E6 is displayed the communication turns to normal system resumes running an
7. fluorin nozzle eCharge volume must comply nozzle with the nameplate 37 MARINE AIR CONDITIONERS 4 2 The 4 way valve MAINTENANCE Disassembly and Assembly of the 4 way valve Remark Make sure that there isn t any refrigerant in pipe system and the power supply is cut off before removal of the thermal expansion valve Process Pictorial View Handling Description 1 Disassemble electromagnetic valve Disassemble electromagnetic valve eDismantle electromagnetic valve with spanner eRemove electromagnetic valve from 4 way valve 2 Dismantle 4 valve Disconnect connecting pipe of 4 way valve eHeat connecting pipe of 4 vents of 4 way valve by gas welding then unplug 4 way valve enitrogen fill protection shall be conducted on welding joint and the pressure of nitrogen is 0 5 0 1kgf c m relative pressure eRecord the direction of 4 way valve and the position of each vent before remove 4 way valve 38 MARINE AIR CONDITIONERS MAINTENANCE 3 Remove 4 way valve eRemove old 4 way valve from pipeline 4 Install new 4 valve Weld connecting ipe of 4 way valve elnstall the new 4 way valve in correct position and connect it with pipeline correctly eWrap the valve with wet cloth when welding to prevent the slide block inside the valve from burning and prevent water
8. 1400054 1 19 Evaporator assy 01039405 1 20 Capillary assy 04103909 1 21 Filter 11129402 1 22 Condenser coil 01139405 1 23 Reverse valve assy 04143902 1 24 Compressor 00120023 1 25 Remote controller 30515028 1 26 Condenser fixer 01346004 1 27 Base pan 01283918 1 PDM S N JF00300224 46
9. DITIONERS INSTALLATION INSTALLATION 1 Dimension Data p NZ J 1 16 5 E 3 Sf Y LY gt 2 Installation Clearance Data wall a A 2 S ol UH 72 PE LS LE 23 wall 23 MARINE AIR CONDITIONERS INSTALLATION wall dE VA PA Note Air outlets on bottom and both sides shall be away from the ceiling for 40mm at least Air outlet shall be away from the ceiling for 100mm at least Drain Piping Work The condensate drain pan is 2 50mm high with two drain locations During conditions of high humidity condensate may be produced at a rate of approximately 1 2 gallon per hour 1 9 liters per hour Please pay more attention it is important to route condensate drains downward to a sump pump It is not recommended to route condensate drains to the bilge After the condensate drain installation is complete test the installation by pouring water into the pan and checking for good flow For installation of the condensate drain e Attach a 5 8 D reinforced hose to the hose barb and secure with stainless steel hose clamps e Install the condensate drain hose downhill from the unit and aft to a sump e Two drain fittings may be used and the hoses teed together using a tee fitting provided there is a minimum 2 drop from the bottom of the base pan to th
10. E a 20 3 5 Starting Interval Settings 20 3 6 Auto off function of the manual 20 Ses UDIMENSI Ai am dtes e RD Le cO Cres d ced 21 3 9 Installation tte hr ret erri esee a 21 INSTALLATION tote tr eene abet tne arbos 23 1 eset etm Uses ttu ee o cse tte os 23 2 Installation Clearance Data 23 3 Unit Installation sara a A 24 4 Water System Installation 25 5 ELECTRIC WIRING WORK erii rere creer erede 27 5 1 Electric Wiring Design 27 5 2 Specification of Power Supply Wire and Air Switch 27 it dert en e tT ne Le 30 Te TROUBLE TABLE inet mer Rete RR ie EPA RO ERO NAR RR 30 2 FLOW CHART OF TROUBLESHOOTING es 32 2 1 High Pressure Protection ss 32 2 2 Low Pressure Protection 33 2 9 Temp Sensor Error e t e dede 34 GREE COMMERCIAL AIR CONDITION MARINE AIR CONDITIONERS 3 WIRING DIAGRAM irae dte 34 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 36 Gompressor cco d eet ee S ERE s 36 4 2 The4 way valve an er ett ete re ea eredi ie 38 4 3 Tube in Tube Heat Exchanger 40 44 Faraid Fan Motor eene euet ce I Ree EMEN 41 5 EXPLODED VIEWS AND PART LIST 41 GREE C
11. Electric box cover 01419405 1 5 Capacitor 33010743 1 6 Terminal 42010254 1 7 Capacitor 33010010 1 8 Transformer 43110239 1 9 Main PCB 30225306 1 10 Electric box 01409405 1 11 Display panel 30295002 1 12 Cover assy 01259401 1 44 MARINE AIR CONDITIONERS MAINTENANCE 13 Duct connecter 06329402 1 14 Blower assy 150094065 1 15 Drain pipe 01279460 2 16 Clamp 01729602 4 17 Handle 26235401 1 18 Condenser fixer 021400054 1 19 Evaporator assy 01023907 1 20 Capillary assy 04103908 1 21 Filter 11129403 1 22 Condenser coil 01139404 1 23 Reverse valve assy 04143903 1 24 Compressor 00120084 1 25 Remote controller 30515028 1 26 Condenser fixer 01346002 1 27 Base pan 01283916 1 4 Model CYR16NaK Exploded View NO Name of part Part code Quantity 1 Reverse valve solenoid 430004005 1 2 Temperature sensor 3900020721 1 3 Temperature sensor 3900020720 1 4 Electric box cover 01419405 1 5 Capacitor 33010743 1 6 Terminal 42010254 1 7 Capacitor 33010013 1 45 MARINE AIR CONDITIONERS MAINTENANCE 8 Transformer 43110239 1 9 Main PCB 30225306 1 10 Electric box 01409405 1 11 Display panel 30295002 1 12 Cover assy 01259404 1 13 Duct connecter 06329402 1 14 Blower assy 150094064 1 15 Drain pipe 01279460 2 16 Clamp 01729602 4 17 Handle 26235401 1 18 Condenser fixer 02
12. GREE COMMERCIAL AIR CONDITION MARINE AIR CONDITIONERS GREE Marine Air Conditioners Service Manual GREE ELECTRIC APPLIANCES INC OF ZHUHAI GREE COMMERCIAL AIR CONDITION MARINE AIR CONDITIONERS CONTENTS PRODU C T etri ree eer e I RETE TENERAS FTH RAE e eque 2 1 MODELS uin ON 2 2 NOMENCLATURE es eR NUMERO E eee 2 3 FUNCTION oe te eiim dente 3 4 PRODUCT DATA ird egt a oleae a ORC ER REI RC a ees 3 4 1 Product Data at Rated Condition sss 3 42 Operation Range ide 5 4 34 1El ctrical Datan tec et a 0 5 5 rettet e niet eee tede dere ee e eia 5 HSM NES oett c ita oet ea 6 CONTROL nite ended iat e i Rn HR T ban 8 1 OPERATION FLOWEHART nn aaa cia 8 1 1 Cooling Dry Operation notet reete ak ete stet dete ed dete rut 8 1 2 Heating Operation iie teret et E edel uie 9 2 MAIN initiiert nada 9 2 1 Gooling Dry Mode ct ove ee he ge a let a 9 2 2 Heating Mode Defrosting Auxiliary Electric Heater 12 2 9 ede cer es Fel Erde da 14 3 REMOTE CONTROLLER rU eer HS 14 3 1 Wireless Remote Controller 14 3 2 Wired Remote Controller 17 3 3 Display Fahrenheit or Centigrade 2 1 40 024 00000000000000000000013 19 34 Key LOCK
13. OMMERCIAL AIR CONDITION MARINE AIR CONDITIONERS PRODUCT MARINE AIR CONDITIONERS PRODUCT PRODUCT 1 MODELS LIST Capacity Power Model Cooling Heating Ref Supaly Appearance Btu h Btu h CYR7 Na K 7200 7500 CYR9 Na K 8900 9500 220 240V R410A 1Ph CYR12 Na K 11900 13000 50Hz 2 CYR16 Na K 15700 16200 Note 1Ton 12000Btu h 3 517kW 2 NOMENCLATURE CY S R 1 2 3 4 5 6 Unit Series Type 2 The Type of the Unit Function Characteristics 4 Nominal Cooling Capacity 5 The Type Of Refrigerant 6 Power Supply Options CY marine air conditioner Cold Hot Air Default Cold Hot Water S Heat Pump R Heat Pump with Auxiliary Electric Heater Cooling only Default 7 7000Btu h 9 9000 Btu h 12 12000 Btu h 16 16000 Btu h None R22 Na R410A D 1Ph 208 230V 60HZ K 1Ph 220 240V 50HZ M 3Ph 380 415V 50HZ F 3Ph 208 230V 60HZ MARINE AIR CONDITIONERS PRODUCT 3 FUNCTION Applied Sites It is applied for all kinds of ships Compact design It can be installed in incapacious place like the space under the closet and seats of the ship which affects the outlook of the ship and is coordinate with the ambience Rust prevention and rot proof Corrosion resistant material and the special technics spray coating on the complete unit are adopted which enable the unit to be
14. ON OFF button a second time will turn the unit off 3 3 Display Fahrenheit or Centigrade Pressing the and V key simultaneously will switch between Fahrenheit and Centigrade modes 19 MARINE AIR CONDITIONERS CONTROL 3 4 e 3 5 e 3 6 Key Lock Press Wand FAN key simultaneously all keys are locked Press Wand FAN key simultaneously again to unlock the keys When keys are locked the controller is locked out of system operation EE will be displayed Starting Interval Setting If there are several A C units in a yacht you can set starting time interval between one by one When the manual controller power on and there isn t any operation to press the A button and fan speed button simultaneously the starting interval can be set the nixie tube will flash a number in every 0 5s then pressing V and A buttons to set up after the setting to press the A button and fan speed button simultaneously to confirm the set up value if not to press A button and fan button again simultaneously the figure will flash 10s and then the controller will quit from starting interval setting the setting number is not available The value be displayed by nixie tube is the figure of interval time each interval time is 20s for example the set up value is 128 it means that the actual setting interval time should be 128x20 2560s When the value be displayed by flashing nixie tube then to shield each signal of wireless remote controller except
15. UBLESHOOTING 2 1 High Pressure Protection High Pressure Protection Check if the pressure is Che No Replace high by mainboard is 9 manometer normal Check if the setting for running mode of the unit is proper No Adjust the setting mode Check if the fan works normally No Check fan motor and the signal input Check if the components for throttling are blocked Replace the components MAINTENANCE 32 MARINE AIR CONDITIONERS 2 2 Low Pressure Protection Low Pressure Protection Check if the pressure is low by manometer Check if the refrigerants in the system are inadequate Check if the indoor fan and outdoor fan work normally there filth blockge on fin Check if the mainboard Replace mainboard is normal According to the refrigerants volume on nameplate calculate the volume of refrigerants to be added Check fan motor and the signal input Clean fin MAINTENANCE 33 MARINE AIR CONDITIONERS 2 3 Temp Sensor Error Temp Sensor Error Check if the plug of temp sensor is correctly T Confirm the direction of connected with No the plug and the socket So
16. ame time When cooling is entered they are just conditions for compressor ON if they can t be met only indoor fan is running when startup of the unit while water pump and compressor are not running Description MARINE AIR CONDITIONERS CONTROL 1 Water pump starts up after the cooling command is sent 2 After indoor fan has been running at high speed for 5s it turns to low speed 3 Compressor is ON after water pump has started up for 5s 4 4 way valve closes Sequence Chart Indoor Fan Compressor Water Pump 4 way Valve Send Command 2 Betweenness of Cooling 3 Condition 1 C lt Tamb lt Tset 1C Description 1 Indoor fan keeps the original status 2 Water pump keeps the original status 3 Compressor keeps the original status 5 Other loads don t need to work Cooling OFF Condition Tamb lt and no error at the same time if there is error handle it according to troubleshooting sequence Description 1 Indoor fan is running at setting speed 2 Compressor stops 3 Water pump stops after the compressor has stopped for 5s 10 MARINE AIR CONDITIONERS Sequence Chart Indoor Fan Compressor Water Pump 4 way Valve T Send Command 4 Cooling OFF Description 1 After the command is sent the compressor stops 2 Indoor unit and indoor fan stop at the same time 3 5s later water pump stops Sequence Chart Indoor Fan
17. cket on mainboard Yes Remove the temp sensor and check if the resistance is normal Replace temp sensor Yes eplace mainboard of the unit 3 WIRING DIAGRAM WIRIN GDIAGRAM CYR7 Na K CYR9 Na K MAINTENANCE 34 MARINE AIR CONDITIONERS WIRIN GDIAGRAM CYR12 Na K CYR16 Na K MAINTENANCE Iransforner LA AJ ea controller manual na GNT 8 XOT KI VALVE XDAC N lt KE AC N gt 35 MARINE AIR CONDITIONERS MAINTENANCE 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 4 1 Compressor Disassembly and Assembly of Compressor Remark Make sure that there isn t any refrigerant in pipe system and the power supply is cut off before removal of the compressor Process Pictorial View Handling Description 1 Disconnect the power cord Disassemble electromagnetic v eUnscrew the retaining screw of power cord with screwdriver eUnplug the power cord 2 Disassemble retaining nut Disassemble retaining bolt of compressor eUnscrew retaining nut by screwdriver 3 Disassemble the discharge pipe the suction and discharge pipe of compressor 122 suction and discharge pipe by acetylene welding and then
18. d error code is cleared When detect that AD value is greater than 250 short circuit or less than 5 open circuit for continuous 5s it is believed that the temp sensor is error If detect that the 30 MARINE AIR CONDITIONERS Evaporator Temp Sensor Error Temp Sensor MAINTENANCE AD value is between 5 and 250 for continuous 5s it is believed that the temp sensor recovers When there is error of temp senor system is turned off 4 way valve is excluded when heating and indoor fan stops after the compressor has stopped for 30s and FO is displayed It can resume running when the error is cleared Under air supply mode only error code is displayed and the fan works normally The error code will disappea when the error is cleared When detect that AD value is greater than 250 short circuit or less than 5 open circuit for continuous 5s it is believed that the temp sensor is error If detect that the AD value is between 5 and 250 fo continuous 5s it is believed that the temp sensor recovers When there is error of temp sensor the system is turned off 4 way valve is excluded when heating and indoor fan stops after the compressor has stopped for 30s and F1 is displayed After the error is cleared it resumes running Under ai supply mode only error code is displayed and fan works normally When error is cleared error code will disappear 31 MARINE AIR CONDITIONERS 2 FLOW CHART OF TRO
19. durable Unique Structure Design The angle of supplying air of indoor fan can be 0 90 1807 270 which is convenient for connecting duct Two Exhaust Outlets The condensate can be drained in time no matter how ship shakes 4 PRODUCT DATA 4 1 Product Data at Rated Condition Models CYR7 Na K CYR9 Na K 2100 2600 Btu h 7200 8900 Cooling Running Current 2 6 3 5 Power Input 580 760 2200 2800 Nominal Capacity UE 2500 3500 Running Current 3 1 3 9 Power Input 680 850 Power Supply 220 240V 50Hz Compressor Type Rotary Type aM R410a Refrigerant Control Cupronickel Stacked tube Condenser Diameter Cupronickel 016 Type Aluminum fin copper tube E Centrifugal fan vaporator Air Flow H M L CFM 206 176 148 279 235 206 Sound Pressure Level dB A 58 Unit Dimensions mm 413 380 330 413 380 330 MARINE AIR CONDITIONERS PRODUCT Outline Package HxWxD 545x500x370 545x500x370 Weight Net Gross kg 26 5 31 5 29 32 5 Models CYR12 Na K CYR16 Na K rae 3500 4600 ominal Capacity Btu h 11900 15700 Cooling Running Current 4 6 5 8 Power Input 950 1200 NENNEN 3800 4750 ominal Capacity Btu h 13000 16200 Heating Running Current 5 6 7 Power Input 1100 1400 Power Supply E 220 240 50 2 Compressor Type Type Refrigerant Control Cupronickel Stacked tube Condenser D
20. e pump to protect the pump from any foreign matter Failure to install a seawater strainer will void the pump warranty The seawater system should be installed with an upward incline from the speed scoop amp seacock through the strainer to the inlet of the pump next to the inlet of the a c unit s condenser coil The discharge from the a c unit should run to the seawater outlet thru hull fitting that should be located where it can be visually inspected for water flow as close to the waterline to reduce noise All hose connections shall be secured using double reversed stainless steel hose clamps Use Teflon tape on all threaded connections Summary of the seawater system installation 1 Install the speed scoop thru hull inlet as close to the keel and as far below the water line as possible facing forward Bed the scoop with a marine sealant designed for underwater use Install a bronze full flow seacock on the speed scoop thru hull inlet Install a seawater strainer below the level of the pump with access to filter Mount the pump above the strainer and at least 1 305mm below the waterline OY Connect the seacock and strainer with uphill run of 5 8 reinforced marine grade hose 6 Connect the discharge from the pump uphill to the bottom inlet of the a c unit s condenser coil with 5 8 hose Connect the discharge from the condenser coil to the overboard discharge thru hull fitting with 5 8 hose 7 Awoid loops hig
21. e tee connection Do not terminate condensate drain line within three 3 914mm of any outlet of engine generator exhaust systems compartment housing an engine or generator nor in a bilge unless the drain is connected properly to a sealed condensate or shower sump pump Seal all condensate hose penetrations 3 Unit Installation Selecting a good location for your air conditioner is the most important part of your preparation Be sure to consider the size of the area you are cooling the air distribution needs and the size of the unit you have chosen Keeping in mind that cool air has a tendency to fall it is highly recommended that you locate the supply air grille as high as possible in the cabin See diagram below 24 MARINE AIR CONDITIONERS INSTALLATION MS MANUAL DISPLAY AUC TRANSITION BOX 3 FLEXIBLE DUCTING CONTROL CABLE 10100080 LARA 1 CONTROL BOX 011111 222200 CONDENSATE DRAIN SUMP AIR CONDITIONING UNIT 7 E y Z 3 D MOUNTING BRACKETS DS OVERBOARD DISCHARGE SEAWATER PUMP SEAWATER STRAINER THRU HULL FITTING SHUT OFF VALVE The unit should be installed as low as possible BUT NEVER IN THE BILGE OR ENGINE ROOM AREAS ENSURE THAT THE SELECTED LOCATION IS SEALED FROM DIRECT ACCESS TO BILGE AND OR ENGINE ROOM VAPORS Installing the unit as low as possible such as under a V berth dinette seat or bottom o
22. f a locker and ducting the supply air as high as possible creates an ideal airflow condition This type of installation will prevent short or premature cycling The unit should be positioned on a firm level horizontal surface and the condensate drain line should run downward from the unit to a suitable drain location Plan all Connections which must be made including ducting condensate drain and seawater in and out electrical power connections location of control and seawater pump placement to assure easy access for routing and servicing 4 Water System Installation Several guidelines should be followed during the installation of the seawater system Since the circulation pump is centrifugal and not self priming it must be mounted so that it is always at least 1 305mm below the water line regardless of which tack the vessel is on Pump may be mounted horizontally or vertically however the discharge must always be above the inlet Pump head should be rotated toward the direction of water flow Install the seawater speed scoop intake as far below the water line and as close to the keel as possible in any application MARINE AIR CONDITIONERS INSTALLATION but especially on a sailboat to keep the intake in the water when the boat heels over so that air does not get into the system The speed scoop intake must face forward and not be shared with any other pump A seawater strainer is mandatory between the shut off valve seacock and th
23. f the set temperature is lower than room temperature If set temperature is higher than room temperature only the fan will run In DEHUMIDIFY mode the LED marked W wii be light and fan will work at low speed within a certain temperature range Dehumidifying is Display of mode more efficient than in cooling mode and it will save energy operation 4 COOL DEHUMIDI In HEAT mode the LED marked 3 will be light when the set FY HEAT and temperature is higher than the room temperature When the setting AUTO temperature is lower than the room temperature it will not run In mode the room temperature will be displayed and the temperature cannot be set In AUTO mode the LED marked AUTO will be light and the room temperature will be displayed The temperature cannot be set as the system will run automatically in the appropriate mode according to the contrast between room temperature and set temperature Press this key to change the operation mode in order of 5 Mode button COOL DEHUMIDIFY gt FAN gt HEAT gt AUTO Press the FAN button the fan speed will change in the following order HIGH MID gt LOW AUTO 6 Fan control button In DEHUMIDIFY mode the fan will work at low speed automatically Temp Setting m 7 1 To increase in 1 increments button Increasing Temp Setting 8 button To decrease in 1 increments Decreasing Press ON OFF button to turn the unit on 9 ON OFF button Pressing the
24. h spots or the use of 90 elbows with seawater hose each 90 elbow is equivalent to 2 5 762mm of hose and a 90 elbow on the pump outlet is equivalent to 20 6 1m of hose 8 Double clamp all hose connections with stainless steel clamps reversing the clamps Use Teflon tape on all threaded connections 10 Connect all metallic parts in contact with seawater to the vessel s bonding system including the speed scoop inlet strainer pump and the air conditioner Failure to do so will void warranty 26 MARINE AIR CONDITIONERS INSTALLATION TO OVER BOARD OUTLET ALL PIPING SHOULD BE AS SHORT AS POSSIBLE AND TAUT WATER LINE SUCTION GENTLY UPWARDS TO FACILITATE PRIMING SEA WATER PUMP 85 SEA WATER STRAINER SEA WATER SHUT OFF VALVE 5 ELECTRIC WIRING WORK 5 1 Electric Wiring Design Power Mainboard Connect water circulating pump Connect wired controller 5 2 Specification of Power Supply Wire and Air Switch 27 MARINE AIR CONDITIONERS INSTALLATION Air Switch Sectional Area of Area of Power Earth Wire Supply Wire CYR7 Na K CYR9 Na K 220 240V 1Ph CYR12 Na K 50 2 CYR16 Na K 28 MARINE AIR CONDITIONERS MAINTENANCE MAINTENANCE 29 MARINE AIR CONDITIONERS MAINTENANCE 1 TROUBLE TABLE Trouble Code Trouble Name Origin of Trouble Signal High Pressure Protection of High Pressure Switch Compressor Indoor Antifreezing Temp
25. iameter Cupronickel Type Aluminum fin copper tube E i Fan Type aM Centrifugal fan vaporator Air Flow H M L CFM 325 282 235 395 353 323 Tuyere Diameter Sound Pressure Level dB A Unit Dimensions 468 380 330 494x450x355 mm Outline Package HxWxD 554x545x376 622x590x400 Weight Net Gross kg 32 5 38 38 43 5 Note Fluctuation of the current and voltage can t be beyond 10 1 Test Condition of Nominal Cooling Capacity Indoor side dry wet bulb temp 27 19 5 Water in temp Temp difference is 5 C and static pressure is 2 Test Condition of Nominal Heating Capacity Indoor side dry wet bulb temp 20 15 C Water in temp 15 C Flow is as the test of nominal cooling capacity and static pressure is 3 Noise Measurement shall comply with JB T4330 1999 4 Input power excludes that of user s water pump 5 Specification will change with the revision of the product Parameter on nameplate of the unit is the standard MARINE AIR CONDITIONERS PRODUCT 4 2 Operation Range Water side Air side Model Leaving Water Temperature Difference Air on Condenser CC F of Water CCIF Cooling 25 5 10 40 Heating 15 4 25 4 3 Electrical Data Notes RLA Rated load amperes LRA Locked rotor amperes 5 PIPING DIAGRAM compresso 4 way r valve Temperatu re Sensor Pressure Sy mb ol 220 240V 1Ph 50Hz melle Stop Valve Each 3 05 4 05 5 55
26. ing to press the A button and fan speed button at the same time and to shield other buttons After manual controller powered on if there is wireless remote controller or at the same time to press other buttons except the A button and fan speed button simultaneously and then press the A button and fan speed button simultaneously it will display the figure of interval time for 5s During the period if there is wireless remote controller or other remote controller signal it will directly quit the display interface of starting interval time The new setting starting interval time would be executed after manual controller re powered on The setting range of starting interval value is 0 255 accordingly the setting range of starting interval time is 0 5100s 85min If there is malfunction happened cannot set up or display the time of starting interval Auto off function of the manual controller The display of ambient temperature will automatically blank in 5 minute lag if there is no operation on the manual controller 1 After receiving the signal from the manual controller the indicator will light on automatically in which case the unit will not operation at all and the manual controller can be active after it lights on 2 After receiving the signal from remote controller the display of temperature on the manual controller will light on meanwhile the unit carries out corresponding operation After the unit stops there is no d
27. iption 1 Compressor stops after command is sent 2 55 later water pump stops 3 30s later after the stop of compressor indoor fan stops 4 4 way valve is deenergized after the compressor has stopped for 2min Sequence Chart 13 MARINE AIR CONDITIONERS CONTROL 1 Indoor Fan Compressor Water Pump 4 way Valve n Send command 2 3 Fan Mode Indoor fan is running at setting speed and there are three options for the speed HIGH gt LOW gt AUTO gt Auto Air Speed a Heating If Tamb Tset it is automatically set to be low speed If Tset 2 C Tamb Tset it is automatically set to be mediate speed If Tamb x Tset 2 C it is automatically set to be high speed During this course there must be 30s delay at least b Cooling If Tamb X Tset C it is automatically set to be low speed If Tset lt Tamb lt Tset 3 C it is automatically set to be mediate speed If Tamb Tset 3 C it is automatically set to be high speed 3 REMOTE CONTROLLER 3 1 Wireless Remote Controller 3 1 1 Operation View 14 MARINE AIR CONDITIONERS CONTROL SWING FAN AUTO FAN 48 s AUTO WM M EYE MODE ON OFF NO Name Function description 1 SWING button There is no swing function in this A C unit TEMP increase 1 by pressing button once and decreases 1 by pressing button once 2 TEMP button COOL MODE SET Temp 61 F 86 F or 16 C 30 C HEAT MODE SET Temp 61 F 86 F or 16
28. isplay on the manual controller Powered on again if the unit status is on before power off temperature indicator and mode indicator of the manual controller will light on automatically If the unit receives the stop signal it will directly blank off the temperature indicator and mode indicator of the manual controller 20 MARINE AIR CONDITIONERS CONTROL 3 7 Dimension 1 AUTO AUTO FAN MODE 3 8 Installation Before mounting the manual controller consider the location The manual controller should be mounted on an inside wall slightly higher than mid height of the cabin The cut out size for the manual controller is 2 1 2 64mm wide by 3 5 16 84mm Do not mount the manual controller in direct sunlight near heat producing appliances or in a bulkhead where temperatures radiating from behind the panel may affect performance Do not mount the manual controller in the supply air stream Do not mount the manual controller above or below a supply or return air grille Do not mount the manual controller behind a door in a corner under a stairwell or any place where there is no freely circulating air Mount the manual controller within display cable length custom lengths available of the air conditioner Plug the display cable into the circuit board in the electric box and into the back of the manual controller 21 GREE COMMERCIAL AIR CONDITION MARINE AIR CONDITIONERS INSTALLATION 22 MARINE AIR CON
29. unplug them from compressor eConduct nitrogen fill protection on process pipe and the pressure of nitrogen is 0 5 0 1kgf c pressure m relative eHeat it with caution in case the surroundings get burnt due to high temperature 4 Remove compressor LAN e Remove the compressor from chassis 36 MARINE AIR CONDITIONERS MAINTENANCE 5 Fix the new compressor on chassis Fix the new Compressor ePlace the new compressor on the accurate position eScrew up retaining bolts of compressor eDont inversely place the compressor 6 Connect the inlet and outlet of compressor with pipeline of system discharge pipes Connect suction and eWeld suction and discharge pipe by acetylene welding eConduct nitrogen fill protection on process pipe and the pressure of nitrogen is 0 5 0 1kgf c relative pressure eHeat it with caution in case the surroundings get burnt due to high temperature 7 Connect power cord of eConnect the power cord to retaining bolts according to compressor disassebly sequence Connect power eScrew the bolts tightly cord of ee 8 Vacuumize eVacuumize system by system by feeding fluorin nozzle Vacuumize feeding fluorin system by e nozzle feeding fluorin nozzle 97 Charge eCharge refrigerants again by refrigerants again feeding fluorin nozzle Charge refrigerants by by feeding fluorin feeding
30. valve assy 04143905 1 24 Compressor 00203903 1 25 Remote controller 30515028 1 26 Condenser fixer 01346002 1 42 MARINE AIR CONDITIONERS MAINTENANCE 27 Base pan 01283929 2 Model CYR9NaK Exploded View f 4 Parts List NO Name of part Part code Quantity 1 Reverse valve solenoid 430004005 1 2 Temperature sensor 3900020721 1 3 Temperature sensor 3900020720 1 4 Electric box cover 01419405 1 5 Capacitor 33000018 1 6 Terminal 42010254 1 7 Capacitor 33010013 1 8 Transformer 43110239 1 9 Main PCB 30225306 1 10 Electric box 01409405 1 11 Display panel 30295002 1 12 Cover assy 01259401 1 13 Duct connecter 06329401 1 14 Blower assy 150194014 1 15 Drain pipe 01279460 2 16 Clamp 01729602 4 17 Handle 26235401 1 18 Condenser fixer 021400054 1 19 Evaporator assy 01009401 1 43 MARINE AIR CONDITIONERS MAINTENANCE 20 Capillary assy 03009405 1 21 Filter 11129404 1 22 Condenser coil 01139401 1 23 Reverse valve assy 04143903 1 24 Compressor 00120084 1 25 Remote controller 30515028 1 26 Condenser fixer 01346002 1 27 Base pan 01283921 1 3 Model CYR12NaK Exploded View FID til NO Name of part Part code Quantity 1 Reverse valve solenoid 430004005 1 2 Temperature sensor 3900020721 1 3 Temperature sensor 3900020720 1 4
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