Daikin H Series Service Manual

Non-inverter pair wall mounted h

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SiK011007

Non-Inverter Pair

Wall Mounted Type H-Series

Non-Inverter Pair : Heat Pump

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Summary of Contents for Daikin H Series

Page 1 SiK011007 Non-Inverter Pair Wall Mounted Type H-Series Non-Inverter Pair : Heat Pump...
Page 2 SiK011007 Non-Inverter Pair Wall Mounted Type H-Series Heat Pump Indoor Unit FTY18HEV1K FTY24HEV1K FTY28HEV1K Outdoor Unit RY18HEV1K RY24HEV1K RY28HEV1K Table of contents...
Page 3 SiK011007 1. Introduction....................3 Safety Cautions ..................3 Used Icons ....................7 Part 1 Specifications..............8 1. Specifications.................... 9 18 Class ....................9 24 Class ....................11 28 Class ....................13 Part 2 Part Outline and Installation Dimension.......15 1. Part Name ....................16 2.
Page 4 SiK011007 Introduction 1. Introduction Safety Cautions Cautions and  Be sure to read the following safety cautions before conducting repair work.  The caution items are classified into “ Warning” and “ Caution”. The “ Warning” Warnings items are especially important since they can lead to death or serious injury if they are not followed closely.
Page 5 Introduction SiK011007 Warning Be sure to wear a safety helmet, gloves, and a safety belt when working at a high place (more than 2 m). Insufficient safety measures may cause a fall accident. In case of R-410A refrigerant models, be sure to use pipes, flare nuts and tools for the exclusive use of the R-410A refrigerant.
Page 6 SiK011007 Introduction 1.1.2 Cautions Regarding Safety of Users Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work. Never attempt to modify the equipment. The use of inappropriate parts or tools may cause an electrical shock, excessive heat generation or fire.
Page 7 Introduction SiK011007 Warning Check to make sure that the power cable plug is not dirty or loose, then insert the plug into a power outlet securely. If the plug has dust or loose connection, it may cause an electrical shock or fire.
Page 8 SiK011007 Introduction Caution Be sure to measure the insulation resistance after the repair, and make sure that the resistance is 1 MΩ or higher. Faulty insulation may cause an electrical shock. Be sure to check the drainage of the indoor unit after the repair. Faulty drainage may cause the water to enter the room and wet the furniture and floor.
Page 9 SiK011007 Part 1 Specifications 1. Specifications....................9 1.1 18 Class ....................9 1.2 24 Class ....................11 1.3 28 Class ....................13...
Page 10 SiK011007 Specifications 1. Specifications 18 Class FTY18HEV1K Model Rated Voltage 220-240 Power Supply Rated Frequency Phases Power Supply Mode Indoor Cooling Capacity 5400 Heating Capacity 6000 Cooling 2000 Power Consumption Heating 1950 Cooling 9.50 Current Heating 9.40 Air Flow Volume(SH/H/M/L/SL) 14.2 Dehumidifying Volume Cooling...
Page 11 Specifications SiK011007 RY18HEV1K Model Shanghai Hitachi Electrical Appliances Compressor Manufacturer/Trademark Co.,Ltd Compressor Model SH356MV-C7NU Compressor Oil SUNISO-4GSI/FREOL-K56J or equivalent Compressor Type Rotary L.R.A. 58.00 Compressor RLA 9.65 Compressor Power Input 2025 Overload Protector Built in Throttling Method Capillary Operation Temp °C 16~30 Ambient Temp (Cooling)
Page 12 SiK011007 Specifications 24 Class FTY24HEV1K Model Rated Voltage 220-240 Power Supply Rated Frequency Phases Power Supply Mode Indoor Cooling Capacity 6450 Heating Capacity 7200 Cooling 2300 Power Consumption Heating 2350 Cooling 10.4 Current Heating 10.6 Air Flow Volume(SH/H/M/L/SL) 15.8 Dehumidifying Volume Cooling 2.80 Heating...
Page 13 Specifications SiK011007 RY24HEV1K Model Shanghai Hitachi Electrical Appliances Compressor Manufacturer/Trademark Co.,Ltd/Hitachi Compressor Model SH417MV-C8LU GL Compressor Oil SUNISO-4GSI/FREOL-K56J or equivalent Compressor Type Rotary L.R.A. Compressor RLA 10.8 Compressor Power Input 2335 Overload Protector Built in Throttling Method Capillary Operation Temp °C 16~30 Ambient Temp (Cooling)
Page 14 SiK011007 Specifications 28 Class FTY28HEV1K Model Rated Voltage 220-240 Power Supply Rated Frequency Phases Outdoor Power Supply Mode Heating Capacity 8600 Cooling Capacity 9200 Heating 3200 Power Consumption Cooling 3100 Heating 14.9 Current Cooling 15.4 Air Flow Volume(SH/H/M/L/SL) -/1200/1100/1000/- Dehumidifying Volume Heating 2.69 Cooling...
Page 15 Specifications SiK011007 RY28HEV1K Model MITSUBISHI Compressor Manufacturer/Trademark ELECTRIC(Guangzhou)COMPRESSOR CO.,LTD/MITSUBISHI Compressor Model LHT53VBAC Compressor Oil ATMOS NM56EP Compressor Type Rotary L.R.A. Compressor RLA 14.8 Compressor Power Input 3050 Overload Protector Built in Throttling Method Capillary Operation Temp °C 16~30 Ambient Temp (Cooling) °C 18~54 Ambient Temp (Heating)
Page 16 SiK011007 Part 2 Part Outline and Installation Dimension 1. Part Name....................16 2. Outline and Installation Dimension ............17 Outline and Installation Dimensions of Indoor Unit........ 17 Outline and Installation Dimensions of Outdoor Unit......19 Part Outline and Installation Dimension...
Page 17 Part Name SiK011007 1. Part Name Part Outline and Installation Dimension...
Page 18 SiK011007 Outline and Installation Dimension 2. Outline and Installation Dimension Outline and Installation Dimensions of Indoor Unit 2.1.1 18 Class Part Outline and Installation Dimension...
Page 19 Outline and Installation Dimension SiK011007 2.1.2 24 Class 2.1.3 28 Class Part Outline and Installation Dimension...
Page 20 SiK011007 Outline and Installation Dimension Outline and Installation Dimensions of Outdoor Unit 2.2.1 18 Class Part Outline and Installation Dimension...
Page 21 Outline and Installation Dimension SiK011007 2.2.2 24 Class Part Outline and Installation Dimension...
Page 22 SiK011007 Outline and Installation Dimension 2.2.3 28 Class Part Outline and Installation Dimension...
Page 23 SiK011007 Part 3 Printed Circuit Board Connector Wiring Diagram 1. Printed Circuit Board Connector Wiring Diagram ........23 FT(Y)18/24HEV1K ................23 FT(Y)28HEV1K ..................25 Printed Circuit Board Connector Wiring Diagram...
Page 24 SiK011007 Printed Circuit Board Connector Wiring Diagram 1. Printed Circuit Board Connector Wiring Diagram 1.1 FT(Y)18/24HEV1K 1) TUBE Connector for tube temperature thermistor 2) ROOM Connector for room temperature thermistor 3) HEALTH-L Connector for controlling Health function and relay K116 4) PGF Connector for feedback of indoor fan 5) COMP...
Page 25 Printed Circuit Board Connector Wiring Diagram SiK011007 PCB Detail PCB : Control PCB Printed Circuit Board Connector Wiring Diagram...
Page 26 SiK011007 Printed Circuit Board Connector Wiring Diagram 1.2 FT(Y)28HEV1K 1) FANC1/FANC2 Connector for fan motor capacitor 2) DISP1/DISP2 Connector for Signal Receiver PCB 3) TUBE Connector for Tube temperature thermistor(Indoor unit) 4) ROOM Connector for Room temperature thermistor 5) SWING-UD Connector for swing motor(horizontal blades) 6) FAN-L/FAN-M/FAN-H Connector for fan motor 7) COM-OUT...
Page 27 Printed Circuit Board Connector Wiring Diagram SiK011007 PCB Detail PCB : Control PCB Printed Circuit Board Connector Wiring Diagram...
Page 28 SiK011007 Part 4 Function and Control 1. Function and Control ................28 Basic Functions ..................28 Other Control..................30 Special Functions .................. 32 Function and Control...
Page 29 Function and Control SiK011007 1. Function and Control Note: Basic functions (The temperature in this manual is expressed by Centigrade. If Fahrenheit is used, the switchover between them is Tf=TcX1.8+32.) Temperature Parameters  Indoor preset temperature (Tpreset)  Indoor ambient temperature (Tamb.) Basic Functions Once energized, the compressor shall never be restarted except 3-min interval at least.
Page 30 SiK011007 Function and Control Protection Functions  Anti-freezing protection If the system is under anti-freezing protection, the compressor and the outdoor fan stops operation, and the indoor fan operates at set speed. If anti-freezing protection is cleared and the compressor has been stopped for 3 minutes, the unit will resume its previous operation status.
Page 31 Function and Control SiK011007 Protection Functions  Anti-freezing protection During drying and cooling operation, if the system is under anti-freezing protection, the compressor and outdoor fan stop operation while indoor fan operates at low speed. If anti-freezing protection is cleared and the compressor has been stopped for 3 minutes, the complete unit will resumes its previous operation status.
Page 32 SiK011007 Function and Control 1.2.5 Turbo Function (not available for 28K unit) Press this button to change the room temperature rapidly. 1.2.6 Blow Function It is only available in Cool and Dry mode. Press this button to dry the moister on evaporator, so as to prevent the indoor unit from mildewing.
Page 33 Function and Control SiK011007 Special Functions 1.3.1 I Feel Function (optional) If the controller receives I FEEL command, it will operate according to the ambient temperature sent by the remote controller (except defrosting and anti-cold air operation, during which it will operate according to the ambient temperature sensed by the air conditioner).
Page 34 SiK011007 Part 5 Operation Manual 1. System Configuration ................34 2. Operation Manual ...................35 Operation of Wireless Remote Control..........35 Operation Manual...
Page 35 System Configuration SiK011007 1. System Configuration After completing the installation and test operation of the room air conditioner, the system should be operated and handled as described below. Every user would like to know the correct method of operating room air conditioner, the way of checking if the cooling (or heating) operation is effective, and to know a clever method of using it.
Page 36 SiK011007 Operation Manual 2. Function and Control Remote Control Operations YB1FA3 Press it to decrease setting temperature. Press it to set fan speed. Press it to set swing angle. TIMER ON Press it to set auto-on timer. TIMER OFF Press it to set auto-off timer CLOCK Press it to set clock X-FAN...
Page 37 Operation Manual SiK011007 Remote Controller Description ON/OFF : Press this button to start the unit operation. Press this button again to stop the unit operation. MODE : Each time you press this button, a mode is selected in a sequence that goes from AUTO, COOL, DRY, FAN, and HEAT *, as below: *Note: Only for models with heating function.
Page 38 SiK011007 Operation Manual TIMER ON : Press this button to initiate the auto-ON timer. To cancel the auto-timer program, simply press this button again. After press of this button, disappears and "ON " blinks. 00:00 is displayed for ON time setting.
Page 39 Operation Manual SiK011007 LIGHT : Press LIGHT button to turn on the display's light and press this button again to turn off the display's light. If the light is turned on, is displayed. If the light is turned off disappears. About lock Press "+...
Page 40 SiK011007 Part 6 Troubleshooting 1. Troubleshooting ..................40 2. Troubleshooting Flow Chart..............42 Temperature Sensor Malfunction ............42 PG Motor (Indoor Fan) does not Operate ..........43 Jumper Cap Malfunction ............... 44 PG Motor (Indoor Fan) Circuit Detection by Zero Crossing Detection .. 44 High Pressure Protection ..............
Page 41 Troubleshooting SiK011007 1. Troubleshooting Indicator lamp (During blinking, ON 0.5S and OFF 0.5 S Malfunction Name A/C Status Possible Reasons Operation COOL Lamp HEAT Lamp Lamp 1. The wiring terminal between indoor ambient temperature sensor and controller was loosened or When PC board detects the setpoint of this poorly contacted;...
Page 42 SiK011007 Troubleshooting 1. Check whether the main board and the display panel are connected well? 2. Check whether the OVC terminal on main board is connected well with the high pressure switch on the complete unit? 3. Check whether the wiring of high pressure switch OFF 3S and was loosened? blink once...
Page 43 Troubleshooting Flow Chart SiK011007 2. Troubleshooting Flow Chart Temperature sensor malfunction Start Check whether the wiring terminal between temperature sensor and controller is loosened or poorly contacted? Insert the temperature sensor tightly Normal? Check whether there's short circuit due to the trip-over of the parts Make the parts upright Normal?
Page 44 SiK011007 Troubleshooting Flow Chart PG motor (indoor fan) does not operate Start Check whether the feedback terminal of PG motor is connected tightly Insert the feedback terminal of PG motor tightly Normal? Check whether the control end of PG motor is connected tightly Insert the control end of PG motor tightly...
Page 45 Troubleshooting Flow Chart SiK011007 Jumper cap malfunction Start No jumper cap on the controller Please install the correct jumper cap Normal? Whether the jumper cap is inserted correctly and tightly Insert the jumper cap tightly Normal? Replace the jumper cap with the same model Normal? Replace the control panel...
Page 46 SiK011007 Troubleshooting Flow Chart High pressure protection Start Whether the Connect the display panel with the main board well display panel and main board are connected Normal? tightly? Whether the OVC terminal on main board are Connect the OVC terminal on main board with the high Normal? connected well with high pressure switch pressure switch on the complete unit well...
Page 47 Troubleshooting Flow Chart SiK011007 Anti-freezing protection Start Solve the corresponding Poor air return in Normal? system problem the indoor unit Solve the corresponding The fan speed is Normal? speed problem abnormal Solve the Clean the evaporator Evaporator is dirty problem System is normal, but the indoor Replace the temperature...
Page 48 SiK011007 Troubleshooting Flow Chart Compressor low pressure protection Start Whether the main Connect them correctly board and display panel are Normal? connected tightly? Check whether the LPP terminal on main Please make sure that the board are connected well with Normal? connection is good the low pressure switch on the...
Page 49 Troubleshooting Flow Chart SiK011007 High discharge temperature protection of compressor Start Solve the system Solve the System is abnormal problem problem (eg; clogging) speed of outdoor motor is Solve the problem of Solve the abnormal (in cooling mode) speed problem Outdoor Solve the problem of air Solve the...
Page 50 SiK011007 Troubleshooting Flow Chart Overcurrent protection Start The normal fluctuation is within 10% of Supply is unstable; Normal? too high fluctuation the rated voltage on nameplate Adjust the supply voltage to make the it Normal? Supply voltage is too low; overload within the normal range Whether is indoor / Clean up the indoor and outdoor heat...
Page 51 Troubleshooting Flow Chart SiK011007 2.10 Communication malfunction Poor contact of any like may Start cause the communication malfunction In the communication like Normal? Connect the line well is connected tightly or poorly contacted? Incorrect mach between main board and display Find out relative and Normal? panel or between the...
Page 52 SiK011007 Common Section 3. Common Section The breaker trips at once when it Measure insulation resistance is set to “ON”. to see if there is any leakage. Trip of breaker or blow of fuse The breaker trips in few minutes Inspect circuit breaker.
Page 53 Common Section SiK011007 The filter of indoor unit is blocked. Clean the filter periodically. The heat exchanger of outdoor unit Remove the dust on the heat is blocked. exchanger. High pressure and low pressure Replace compressor. leakage Poor COOL(HEAT) operation. Capillary is clogged.
Page 54 SiK011007 Common Section Drainage pipe is blocked or broken. Change drainage pipe Water leakage Wrap of refrigerant pipe joint is not Re-wrap and make it tight. close enough. Fan of indoor unit contacts other parts Adjust fan location Foreign object in indoor unit Take out the foreign object Adjust support washer of compressor, and Compressor shakes too much...
Page 55 SiK011007 Part 7 Appendix 1. Wiring Diagram ..................55 18 Class ....................55 24 Class ....................56 28 Class ....................57 Appendix...
Page 56 SiK011007 Wiring Diagram 1. Wiring Diagram 18 Class FTY18HEV1K RY18HEV1K Appendix...
Page 57 Wiring Diagram SiK011007 24 Class FTY24HEV1K RY24HEV1K Appendix...
Page 58 SiK011007 Wiring Diagram 28 Class FTY28HEV1K RY28HEV1K Appendix...
Page 59 Daikin Industries, Ltd.’s products are manufactured for export to numerous countries throughout the  world. Daikin Industries, Ltd. does not have control over which products are exported to and used in a particular country. Prior to purchase, please therefore confirm with your local authorised importer, distributor and/or retailer whether this product conforms to the applicable standards, and is suitable for use, in the region where the product will be used.

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Fty18hev1k Fty24hev1k Fty28hev1kRy18hev1kRy24hev1kRy28hev1k