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1. 18 m Illustration for variable flow rate water system which adjusts indoor temperature by adjusting flow rate of chilled water modular combination of multiple units Air outlet ONE mi Water refill DN20 nf _ _ Full E Water 1 discharge DN20 30 oO C 0 A C by 3 S oY Y d TI Deg du O a 41 Si lt EE Wa ied lt lt E ot un exl Ho Ho To Ho Ho Ho X X X 2 X X X L E OX XQ OX XQ OX DX XQ X AG Xo Ge XQ C o d C ES 4 2 527 WY A 65 c2. Legends for the water system illustration AAA Water x Gate valve Water pressure ri Proportional gauge integral valve relied a L 1 Non return Thermometer lt J Water circulation 7 discharge Soft connector gt Electric 2 way valve 4 Globe Differential Open expansion tank pressure bypass valve 19 Size of the main connecting pipe for modular combinations NOTE WHEN CLEANING THE WATER SYSTEM PLEASE SHUT 0 2 GATE VALVE AND 3 GATE VALVE MARKED IN THE DIAGRAM OF ALL THE UNITS IN ORDER TO BYPASS THE UNITS SO THE IMPURITIES CAN BE PREVENTED FROM ENTERING THE PLATE HEAT EXCHANGER AND THE EFFICIENCY AND SERVICE LIFE OF PLATE HEAT EXCHANGER CAN NOT BE AFFECTED Hydraulic Calculation and Pipe System Pipe Design for the Air Conditioning System The pipes of an air conditioning system must have sufficient transportation capacities For example the water system must ensure that the water flowing through the air conditioning unit or fan coil reaches the rated flow rate to ensure that the unit works properly Deploy pipes properly Use pipes with reverse return if possible Although the initial investment is increased a little the water flow in the system
3. NOTE THE GROUNDWORK MUST BE A CONCRETE FLOOR OR A V IRON STRUCTURE THAT IS STRONG ENOUGH TO BEAR THE OPERATION PRESSURE OF THE UNIT N REPRESENTS THE NUMBER OF MODULES Deen INSTALLED mo 48 s 8 yas EACH UNIT MUST BE FIXED BY 4 M12 BOLTS 8 6 RUBBER CUSHIONS 20MM THICK MUST BE INSTALLED BETWEEN THE UNIT AND THE GROUNDWORK THE GROUNDWORK MUST HAVE DRAINING FACILITIES TO DISCHARGE CONDENSATE WATER AND DEFROSTING WATER 50 e S 227 U Foundation Bolt M12x200 2 gt 2460 1560 13 Space Allocated for A Single Chilled Water Unit Deflector gt 45 o f f 2 D Y gt 11 1 21 1 2 N c 21000 h1 TTT J gt 300 Front f 11 Front 211 LLL 8 A S12 V S V Space Allotte
4. fluctuation 10 Discharge air temperature of the compressor foa Ill Checkthe olevel LL Check the colorofthetubricant FP 2 Controller Check parametersetings fF Checkprotecivedevice Delay protector LL lr Il Phase order protector ll ll pressure switch Differential water pressure switch water flow switch Overload protector Protector against extreme temperature of discharged air 3 Plate heat exchanger Check the water quality Clean the plate heat exchanger Seasonal protection measures anti freeze in winter 4 Fin heat exchanger Clean the fin heat exchanger ____ J 14 Whether the Y shaped filter needs to be cleaned or replaced Whether bolts have loosened NOTE THE PRECEDING MAINTENANCE PLAN IS FOR REFERENCE ONLY THE MAINTENANCE PLAN MAY VARY BASED REGION e INDICATES ITEMS TO BE CHECKED BY CUSTOMERS INDICATES ITEMS TO BE CHECKED BY SERVICE PERSONNEL 25 Water Processing Method To ensure effective operation and durability cleaning washing and chemical processing are very important for water systems Different types of water circuits need to be cleaned in different ways m Close Re Circulation System Water systems of this type generally require no adjustment to subdue scale and require no chemical to Suppress mud and alga This type of water system is recommended Closed recycle systems may need anti corrosion
5. E E m CAE UN 34 Note Installation and maintenance to be performed only by qualifiedpersonnel who are familiar with local codes and regulations and experienced with this type of equipment Caution Sharp edges and coil surfaces are a potential injury hazard Avoid contact with them Warning Moving machinery and electrical power hazard may cause severe personal injury or death Disconnect and lock off power before servicing equipment Overview DAIKIN air cooled modular chiller heat pump R22 series DAIKIN UAL D R410A series is a new generation of air cooled chillers heat pumps They ideally combine the advanced and mature chiller technology with new type environment friendly refrigerant In addition this series features outstanding performance high capacity low sound level easy installation and flexible system management taking the lead in the global market Nomenclature VAL 210 D 5 E Export sales code Detailed description Power supply F 380V 3Ph 50Hz Refrigerant code 5 R410A Code for modular connected units M master unit single unit S slave unit Function type R heat pump Omitted for cooling only units Design series Cooling capacity code 21HP DAIKIN air cooled modular chiller Features Environment friendly Refrigerant DAIKIN is committed to protecting the global ecosystem and has developed air cooled chiller heat pump with R410
6. d 2 L3 S N SS PE 55 Breaker with a Breaker with a Breaker with a current leakage current leakage current leakage protector protector protector RS TN Master unit O Slave unit 14 Slave unit m The dimension of power cable connection refer to electical parameters m All wires must be securely connected m Wires must not contact the refrigerating pipes or moving parts of the compressor and the fan PCB Instruction m Connection illustration for the pump and the auxiliary heat exchanger S E 5 Control module interfaceUAL E a 5 5 2 2 2 2 8 4 E T CH OQ 2 37 4 5 O 45 1 36 KM6 KM3 7 KM4 X EXV1 X EXV2 Terminal Block 5 AWV2 4WV1 KM7 4 6 KM2 KM1 11 Security Alarm interface N lt Terminal Block Pump connection illustration inter race i N 1 Connection illustration for the auxiliary heat exchanger NOTE PARTS WITHIN THE DASHED BOX ARE TO
7. me 5 Chilled hot water inlet HE va D o ES HED gt lt Water tank DX Heater X 5 JI 0 E SS 1 o Chilled hot water outlet ER gt K Bes 17 m Multi unit combination illustration for water system with fixed chilled water flow which conditions indoor air by modulating the terminal air rate Air outlet x 7 X DN20 X 5 5 by 5 Y by 57 Y gt K DA gt K d lt amp B ee _ lt 9 P T 6 PE C Y i T d Y i Y i T i Y E 155 gt lee His za te Ie X X p X X X S TR S TR T TR LS a XQ QOX ax gt OX X X XO D 3 lt D e D e 5
8. power failure Parameter Display Other Functions m Running status display m Error log inquiry Setted inlet temperature Average compressor worn time Actual inlet temperature Remote on off Timing point Water system two way valve control Anti freezing defrost temperature Auxiliary electric heating NOTE m THE LENGTH OF COMMUNICATION WIRE BETWEEN THE MASTER UNIT AND THE WIRED CONTROLLER IS 40M THE LENGTH OF COMMUNICATION WIRE ATTACHED TO THE SLAVE UNIT IS 5M m THE MAIN BOARD OF THE UNIT PROVIDES AN INTERFACE FOR REMOTE CONTROL BUT REMOTE CONTROLLERS ARE NOT PROVIDED AND SHOULD BE INSTALLED ON SITE Specifications General Data R410A MODEL UAL210D5 UAL210DR5 UAL230D5 UAL230DR5 NOMINAL COOLING CAPACITY NOMINAL HEATING CAPACITY 64 REFRIGERANT WATER FLOW UNIT DIMENSION PACKING DIMENSION 2010 x 890 x 2010 79 x 35 x 79 OPERATING WEIGHT 525 1156 NOTES 1 THE SPECIFICATIONS GIVEN IN THE TABLE WILL BE SUBJECT TO THE MODIFICATIONS ON PRODUCT DESIGN BY THE MANUFACTURER 2 NOMINAL COOLING CAPACITY CONDITION LWT 7 C WATER FLOW 0 172 M H KW OUTDOOR TEMPERATURE 35 3 NOMINAL HEATING CAPACITY CONDITION LWT 45 C WATER FLOW 0 172 M H KW OUTDOOR DRY BULB TEMPERATURE 7 C WET BULB TEMPERATURE 6 C Components Data 410 NOMINAL WATER FLOW COOLING EVAPORATOR NOMINAL WATER FLOW HEATING WATER WATER VOLUME 6 56 BPHE PRESSURE DROP Eeer CONNECTION DN50 DN2 UNIT WATER PR
9. The water speed should be determined by the recommendations in the first table and design the water pipe diameters accordingly or you can determine the water pipe diameter based on water flow in the second table 20 Table 1 Recommended water speed m s 9mm Closed water system 1 3 1 8 1 5 2 0 1 6 2 2 1 8 2 5 1 8 2 6 1 9 2 9 1 6 2 5 1 8 2 6 Open water system 1 2 1 6 1 4 1 8 1 5 2 0 1 6 2 3 1 7 2 4 1 7 2 4 1 6 2 1 1 8 2 3 Table 2 Pipe diameter and resistance loss in unit length Diameter of the Closed water system Open water system o p oe 99 o on 9 o ee oo wa m xe oo xm NOTE PARAMETERS IN THE PRECEDING TABLE MAY VARY BASED ON THE DESIGN MANUAL FOR DETAILS SEE THE HVAC DESIGN MANUAL Water Storage Tank Volume Calculating Setting temperature of return water C Minimum working volume Vmin UAL210DM5 DS5 UAL210DRMS DRS5 UAL230DM5 DS5 UAL230DRMS DRS5 NOTES THE MINIMUM WORKING VOLUME REFERS TO THE ADDED UP VOLUME OF THE MAIN WATER PIPE WATER TANK AND CONSTANTLY OPEN TERMINALS OF 2 WAY VALVES IN THE WATER CIRCULATION SYSTEM THE ACTUAL WORKING VOLUME OF THE WATER SYSTEM MUST BE LARGER THAN VMIN OTHERWISE THE UNIT WILL SEND OUT ALARMS AND SHUT DOWN FREQUENTLY THE ACTUAL RESULTFUL VOLUME OF THE WATER SYSTEM V IS LESS THAN VMIN PLEASE IN
10. 7 5 10 10 5 15 17 5 75 10 10 5 15 17 5 Leaving water temp C 20 20 49 40 35 30 25 20 15 dwa jueiquuy 30 eo 20 30 30 Heating mode 35 40 45 50 Temperature range 35 40 45 50 Leaving water temp C 25 55 30 eo 20 10 L6 H 28 vu vie sw ves eez cu zm eso e ru 6 SS G 69 rer 49 2 9 GG eu 19 87 19 99 88 4 858 E 9 16 292 16 GLb y GZ 02 989 GC LOZ VOL 176 96 6 esl e SC 406 21 8 vc 0c VOL sqoege vn eve 96 9 2 vc c 6l 9 MA MA MA Ayioedeo Ayioedeo Ayioedeo JOMOd J9MOd 2 duet NC NN EFE OS NN ot em su s szor en e _ yee re o Oot CH NECEM NN EFE ELEM 8 9c 28 su ose ze re vm ro em o 98 EL 809 99 09 Ex 2 79 B 8 69 97 E M 6 09 9 8 28 A SCH 2 LS ew cw oz ova seo rez e ew res sw ew zuo LS ver 49 2 8 09 97 uU 6 09 vor 999 vm ei eo MA MA Ayioedeo Ayioedeo JOMOd
11. ER34 and the wired too high 40 C operates abnormally P 9 controller displays 34 3 The temperature of discharge air is too high and has triggered the racing protector of the compressor see Item 19 in the table 1 The fan motor has broken down cooling 2 Circulatory air is shorted cooling Check and troubleshoot the unit 3 The heat exchanger needs cleaning cooling 4 The electronic expansion valve is Check and troubleshoot the not opened as expected heating electronic expansion valve The LED indicator 19 of the unit displays Temperature of discharge air in ER35 and the wired 2 is too high Change the setting for return controller displays 35 5 The water temperature is too high water temperature to be performed by service personnel 6 Insufficient refrigerant or leakage refrigerant Change the defrosting parameter 7 Incomplete defrosting to be performed by service personnel The LED indicator of the unit displays 1 Malfunction of heat exchanger Check and troubleshoot the Low pressure of 2 ER36 and the wired controller displays 36 during heating outdoor unit 2 Malfunction of motor during Check and troubleshoot the heating outdoor motor The LED indicator Insufficient refrigerant or leakage Check and replenish refrigerant of the unit displays argent 777 se ere p 4 Failure of low voltage modular Replace the module controller displ
12. To cancel all timed actions press MODE UNIT until you hear a long beeping sound NOTE TIMED ON OFF ACTIONS ARE TRIGGERED WHEN THE TIME OF THE WIRED CONTROLLER REACHES THE SET TIME THEREFORE IF THE TIME OF THE WIRED CONTROLLER IS INACCURATE THE ACTUAL ON OFF TIME COULD ALSO BE INACCURATE IN THE TIMING PROCESS IF YOU DO NOT PRESS ANY KEY IN FIVE SECONDS AFTER PRESSING THE UNIT MODE OR PASSWORD BUTTON THE TIMING PROCESS IS TERMINATED AND THE RESULT IS NOT SAVED THE DEFAULT TIME SETTING IS 00 00 5 Manual Defrost When the unit works in heating mode press or until Manual Defrosting appears and then press OK to enter Manual Defrosting mode 6 Reset The controller can be reset by sticking the small hole above the A key using a needle like tool 33 Error Code __ __ ____ memes os THe ampere _ ____ somermatineton _ om 9 C RNMAR NENNEN _ Temperature of inlet outlet water is too low TH8 temperature sensor malfunction EBEZE X suction temperature suction temperature 2 is too high is too suction temperature 2 is too high Low pressure sensor malfunction of 1 pressure sensor Low pressure sensor malfunction of 1 of 1 ERRET failure between wired controller discharge temp
13. 220 280 25092 30 Functions MC305 is a wall mounted LCD controller which directly controls air conditioners through keys on its panel 1 Features Two operation modes heating cooling note operation modes can only be switched when the unit is off Temperature setting range for inlet water cooling 9 C 25 C heating 25 C 50 C Temperature setting range for inlet water cooling 9 C 25 C 10 C 10 C for units with low water temperature heating 25 C 50 C Temperature setting range for anti freeze 2 C 5 ALED is used to indicate the status of the unit ON OFF Timed ON OFF a timing schedule can be set for a maximum of 7 days with up to 4 timed actions each day Real time clock Error code display speeds up diagnosis Blue back light will shine 8 second if any key is pressed it makes sure that we can browse or modify parameters even in dark 2 Use Specification Function Display Area This area can display inlet temperature outlet Compressor operation status This area displays the operation status of the compressor The value 1 indicates that compressor 1 is working If no value is displayed no compressor is working temperature antifreeze temperature defrosting interval defrosting stop temperature defrosting A B point and capacity calculation frequency Mode display This area displays the current working mode of the unit Time and password display In normal conditions
14. BE CONNECTED ONSITE THE OUTPUT VOLTAGE OF THE MODULE INTERFACE IS 220 240 V PARTS WITHIN THE REAL LINE BOX ARE CONNECTED BEFORE DELIVERY A COOLING ONLY UNIT HAS 4WV1 AND 4WV2 OUTPUT A SLAVE UNIT HAS NO EXTENSION BOARD UAL E HEAT BPHE ELECTRIC HEATER PUMP WATER PUMP 4WV 4 WAY VALVE FANL FAN AT LOW SPEED FANH FAN AT HIGH SPEED COMP COMPRESSOR EXV ELECTRONIC EXPANSION VALVE WHEAT AUXILIARY ELECTRIC HEATER OF THE WATER SYSTEM W TWV 2 WAY VALVE INTERLOCK OF THE WATER SYSTEM 27 Setting up Address Using DIP Switch The controller can be used to set the unit s capacity address and slave unit number The capacity DIP has been set at delivery time and cannot be changed The address DIP and slave number DIP need to be set as needed after the unit is installed Customers need to take down the address number and location of the unit and keep the record in good condition for maintenance reference am 52 Pm ol Upward represents 1 D vene tat I T mlr 2 rr 689 IHHRHHHHI Downward represents 0 1 JL 1 2 3 4 5 6 7 8 m Aslave unit number must be set for the master unit not for slave units bits 5 8 of S1 Slave unit Slave unit address number of the master unit must be set to 0 that of the slave units should follow this Addres
15. ON OFF MODEL UAL210 230DRM5 DRS5 380 415V 3N 50Hz COMPRESSOR 1 COMPRESSOR 2 SYMBOL DESCRIPTION meng KW Less Pressure SW o mem ier LOW sae TR_ TRMGFORIER Lie gas mee FAN MOTOR 1 OVERLOAD PROTECTOR SETTING MODEL OL1 OL2 013 OL4 OL6 017 210 27A 24A 28 1 94 2 BA SWITCH SETTING MODEL S1 1 S1 2 S1 3 S1 4 52 2152 3 53 1153 2153 3153 4 210 OFF OFF OFF OFF ON OFF ON OFFI ON 250 ON OFF ON orr ON OFF GR pow DI FAN MOTOR 2 NOTE 1 FIELD WIRING 2 _ _ FACTORY WIRING 3 51 5 51 8 SLAVE UNIT QUANTITY SETTING 52 4 2 8 ADDRESS SETTING 4 521 SETTING THE MAIN UNIT IS SET TO ON THE SLAVE IS SET TO OFF 5 IF 2 WAYS VALVE INTERLOCKING FUNCTION IS PERMITTED S1 1 IS SET TO ON 6 JP6 AND JP7 IS SET TO OFF IF THE LAST SLAVE UNIT CLOSED JP6 7 KMS WATER PUMP CONTROL CONTACTOR CUSTOMER INSTALLATION 8 9 Bpc Ape Bin Ain KM11 WATER SYSTEM 2 WAYS VALVE CONTROL CONTACTOR CUSTOMER INSTALLATION THE SLAVE UNIT HAVE NOT MAC E PCB AND WIRED CONTROLLER FAN MOTOR 2 OTE FIELD WIRING FACTORY WIRING 51 5 51 8 SLAVE UNIT QUANTITY SETTING 52 4 2 8 ADDRESS SETTING 52 1 SETTING THE MAIN UNIT IS SET TO ON THE SLA
16. ensuring reliable operation even under extreme hot cold conditions Units themselves moreover have multiple protections The security of units is maximally guaranteed Outstanding Performance UAL R410 series features leading edge scroll technology and name brand accessories which are strictly tested for high compatibility and reliability Equipped with efficient scroll compressors and precise electronic expansion valves these units feature high EER and COP especially at partial load Intelligent Control System UAL D features user friendly intelligent control system Micro chip and large scaled LCD display are employed to make the control swift and easy m Group control One single controller can control a group made up by one master unit and maximum 15 slave units BMS UAL D provides interfaces for BMS One serial port can support maximum 31 gateway and gateway can support one master unit and maximum 15 slave units Basic Operating Mode Fault Alarm And Protection m Cooling m 13 protections and fault alam functions m Heating m indoor controller lock Parameter Setting Defrost Mode m Real time setting m Auto defrost m Weekly timing on off one on off per day m Mannual defrost Cooling water inlet temperature Memory Function Heating water inlet temperature m Anti freezing defrost temperature setting Backup battery for realtime clock Defrost point temperature setting m Customized parameters preservation after
17. is serviced safety controls must be checked and analyzed before the unit is turned on Items to be Checked Periodically Clean the fin heat exchanger periodically To optimize heat exchange efficiency of the condenser check that the external part of the condenser is clean without leaves cotton fibers insects or other impurities which might clog up fins of the condenser Use water or water vapor while cleaning to clean it Check the status of the chilled water from time to time Discharge water by loosening the air or water discharge plug If the water quality degrades replace water in the system timely for the reference standards see page 42 Contaminated water can degrade the cooling capacity and corrode the heat exchanger and water pipes Check whether free air exists in the water pipe system Free air may get into the system even during the air discharging process Discharge air from time to time Clean the Y shaped water filter in the water system periodically Replenishing refrigerant and lubricant Each unit is filled with enough refrigerant and lubricant before delivery If the system operates smoothly customers neither need nor are allowed to replenish or change the refrigerant or lubricant If replenishment is necessary due to leakage please refill the quantity specified in the nameplate of the unit 24 1 Compressor o os sound Whether wires are securely connected f o e LIT
18. of a unit you can press OK and A or W after reaching the unit No 2 Setting Parameters parameters can be set only when the unit is turned off 1 When you press PASSWORD the text box at the lower bottom of the LCD displays Input password and 00 Then you can press A or V to change the number and press OK after getting the correct password default password set in factory is 55 After you have chosen the correct password the parameters to be set blinks and you can perform the following settings 2 Change operation parameters after choosing the correct password you can change operation parameters by following steps 2 3 4 Change password after choosing the correct password you can change the password by pressing PASSWORD again In this case the text box displays 00 and you can change the number by pressing A or V After reaching the number you want to set as the password you can complete password setting and exit the parameter setting mode by pressing OK After pressing the UNIT key you can increase decrease the blinking unit No by pressing A or V and set operation parameters including inlet water temperature for cooling heating mode for the desired unit by pressing OK after reaching the unit No You can choose and set parameters by pressing or V and then press OK to save the setting Repeat step 2 to set other parameters note the controller quits the parameter s
19. A new type of environment friendly refrigerant Without chlorine the environment friendly R410A causes no harm to the ozonosphere 0 Low Sound Level Thanks to the newly designed spiral blades the outdoor units feature smooth air flow significantly reducing the turbulence and lowering the air flow sound level Unique compressor sound insulation design and fully hermetic volute compressor minimizes the operation noise Moreover unique Night Mode brings down nightly noise greatly and ensures you a sound sleep Easy Installation UAL 410 series is designed to best facilitate user installation The refrigerant system is made hermetic in the factory Customers do not need to connect any copper pipe or refill refrigerant or invest more money for complex water systems Multi grade Modulation UAL R410 series features 2 grade modulation which can be transformed to multi grade modulations in modular combinations With operation grades controlled electronically the unit exerts less shock to the power grid and saves more energy Compact Size Moreover UAL R410 series features compact size Its dimensions and weight are significantly reduced UAL R410 can be lifted without large lifting tools and located on the roof balcony or any possible outdoor space Reliable Operation UAL R410 series adapts modular design and one by one start reducing the impact upon the grid when starting All units have undergone strict and long term test
20. ESSURE DROP 38 5 5 38 5 5 4416 4 37 3 5 4 MATERIAL COPPER TYPE INNER GROOVE con uge WaLL THICKNESS mm COILTUEE WALL THICKNESS 0 71 TUBE HEIGHT TH 36 40 MATERIAL ALUMINUM TYPE WHITE HYDRAULIC WHITE HYDRAULIC mmm 1220 0 40 CONDENSER BLADE MATERIAL GAVANZEDSTEEL STEEL FAN POWER SUPPLY VIPh Hz ee MOTOR POLES sid EE a wm wm ms marrow cem eer wes Le 410 REFRIGERANT CHARGE mv v 72 72 Bean CONTROL MODEL UKV 25D5 OIL COLOUR RAL 7032 PEBBLE GREY CASING H L PRESSURE SWITCH THERMAL AND CURRENT OVERLOAD PROTECTION DEVICES PROTECTOR NOTE ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE 5 Electrical Data 410 MODEL UAL210D5 UAL210DR5 UAL230D5 UAL230DR5 IPX4 l SOURCE VIPh Hz 380 3 50 FAN MOTOR Sommer _ be EE Sommer _ NN _ gt 5 1 SPECIFICATIONS ARE SUBJECTED CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE 2 MAX RUNNING CURRENT IS TESTED UNDER BELOW CONDITION COOLING OUTDOOR DRY BULB TEMPERATURE 43 C HEATING DRY BULB TEMPERATURE 21 C WET BULB TEMPERATURE 15 5 3 THE RATED RUNING CURRENT AND POLES ARE T
21. ESTED IN THE HIGH SPEED AND LOW SPEED IPX4 COMPRESSOR Safety Devices MODEL UAL210D5 UAL210DR5 UAL230D5 UAL230DR5 TYPE PSW H20PS PSW H20PS PSW H20PS PSW H20PS CLOSE Wes 3 11 0 1 3 11 0 1 3 11 0 1 3 11 0 1 TYPE ouer la e om LL BEE SWITCH PHASE SEQUENCER DISCHARGE THERMOSTAT mE NOTE ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE Dimensions Mounting hole of anchor bolt 14 14x20 as 950 950 45 __ 170 _101101_ 170 45 14 CN Se LO SCH 22 14x20 Enlarged drawing for Mounting hole of anchor bolt 1990 840 Modular Air Cooled Chiller Heat Pump n Y i Q d vr D 11 UAL210DM5 DS5 UAL210DRM5 DRS5 UAL230DM5 DS5 UAL230DRM5 DRS5 Unit mm MELT TTT ATT VANS LET DY Air conditioner M Li S water entry 2 en Air conditioner water outlet Rc2 _ D lt MN 335 Performance Data Operating Range dwa jueiquiy 49 40 35 30 e 20 5 Cooling mode
22. Engineer Data ED UAL D 201401A UAL D R410 A Series Air cooled Modular Chiller Heat Pump Model UAL210D5 UAL1680D5 UAL230D5 UAL1840D5 UAL210DR5 UAL1680DR5 UAL230DR5 UAL1840DR5 Refrigerant R410A Cooling Capacity 60kW 544kW Heating Capacity 64kW 528kW m ra nha IT TH v 7 DAIKIN KS eee E 10 ECOLOGIC AND HIGH EFFICIENCY P DAIKIN Literature No ED UAL D 201401A Supersedes ED UAL D 201310A Contents OV TE 2 Keiser de ei de wn esi get 2 FC ALE s 2 4 EE 7 EH 8 Water Pressure Drop EE 11 SOUNA E 11 WNO DIAM EE 12 Ju E EE 13 Water System instala d EE 16 COMMISSIONING and ANENE EEE TE E RETE EEE EEEREN 23 inaa E E E E E E 24 Control System er 27 Wired Controller Instruction degkhbtedt etekeu E Seed cuiu baa vUa 30 OR
23. J9MOd 5 Lic 9 7L 992 202 69 4 00 21 MA MA Ayioedeo Ayioedeo J9MOd 5 5 Jonn Ge Oc GOL 6 vc 8 6l LOL Cr 76 192 8 08 89 276 0c LOL Lz CH Aa saorecivn LEG 6L c SV VE 6 EH Lvl MA J9MOd MA MA 5 6 vc 9 4 04 88 GC c 6l 8l 29 MO 14 YALVM JHL LV 5317 3 LINN FHL NAHM v3lW 3AO8V JHL NI SYSLANWVAVd ILON 0 MA MA MA MA MA Ayioedeo Boa Ayioedeo Ayoedeo Ayioedeo Boa Ayioedeo Pus Ayioedeo bag Ayioedeo Pay Ayioedeo d 2 duet yusiquiy 10 Water Pressure Drop Curve Water pressure drop Se ee ee E 4 4 J l 4 J be ee e e E E E EE E ee ET h Ecc ee E E KEE DE ee ea ge ee hs oe le D E EE KR e Eg doup einss
24. STALL A TANK THE VOLUME OF WHICH IS L L VMIN V 21 Example for water system volume calculation There are 2 UAL230DR5 modular units with temperature of return water set to 12 C a main inlet out water pipe of DN80 and 50m long and 10 fans with coils constantly open each has a volume of 1 5 Calculation Volume of main inlet outlet water pipe 3 14 80 2 100 2 500 251 Volume of terminal fan coils 10 1 5 15 According to the table above Vmin 324 To avoid frequent unit startup shutdown and alarms the volume of the water tank should be no less than Vmin 324 251 15 58 Calculating Volume of Expansion Water Tank An expansion water tank with a proper volume must be installed to adapt to water volume changes as the temperature changes and avoid freezing burst and pressure instability at the water pump inlet The expansion water tank can also be used to supplement water and discharge air Calculating volume of expansion water tank Vp a At Vs Vp effective volume of the expansion water tank volume of water between the signal pipe and the overflow pipe a volume expansion coefficient of water lt 0 0006 C At max water temperature variation Vs water volume the system total water volume in the system and pipes Model Selection Principles for the Water Circulation Pump m Water flow the water circulation pump 2 rated water flow x 1 1 Closed water circulat
25. TH1 0 9 0 We 7 7 Wu MEV 07 05 KM2 188 50Hz DWG NO M08024305085 Installation Working Condition pom Must not contain solute that can corrode copper aluminum or iron Pressure of chilled water lt 0 7 water Must not contain solute that can corrode copper iron welding material For details the water quality requirements see Chapter 9 Water Quality Management 42 Installation site Take anti snow and ventilation measures as required Ambient temp Refer to the figure above NOTES 1 THE UNIT IS STRICTLY TESTED BEFORE DELIVERY AND CAN WORK SAFELY IN THE RATED WORKING CONDITIONS 2 FOR THE PERFORMANCE PARAMETERS OF THE UNIT IN DIFFERENT WORKING CONDITIONS SEE 3 3 REFERENCE TABLE FOR PERFORMANCE PARAMETERS 3 THIS IS THE NORMAL OPERATING TEMPERATURE RANGE FOR THE UNIT BEYOND THIS TEMPERATURE RANGE THE UNIT CAN ONLY OPERATE FOR A SHORT MOMENT BEFORE A FAILURE ALARM IS TRIGGERED Installation Dimensions and Environment Limits Machine Installation Space Units must be installed by DAIKIN service staff or by specially trained personnel Units must installed by following relevant national and local electric building and environment protection standards as well as the installation manual Assembling Unit Modules
26. The PC communication port of the slave unit has broken down The communication line of Slave Unit No XX is incorrectly connected The Bin Ain communication line of the master unit has broken off Communication failure for all 2 One of the A B communication slave units lines is connected incorrectly 3 The Bin Ain port of the master unit has broken down 35 2 The communication line has broken off 4 Control panel of the master unit Check and troubleshoot the is not powered on control panel 5 The communication line between 8 Failure of communication ports Replace on the wired controller Incorrect address setting for the 1 Communication line of Slave Unit Check and troubleshoot the No XX has broken off communication lines 2 The control panel of Slave Unit Check and troubleshoot the No XX is not powered on control panel Incorrect DIP address setting for Check the communication line Replace the control panel of the master unit Check and troubleshoot the communication lines Rewire the unit use shielded communication lines or keep the communication lines away from strong current cables Use shield lines Short the JP7 jumper on the control panel Remove the R44 resistor on the wired controller or replace the wired controller Replace Reset the S2 DIP switch of the master unit according to the technical specifications Reset the addresses of all slave units
27. VE IS SET TO OFF IF 2 WAYS VALVE INTERLOCKING FUNCTION IS PERMITTED 51 1 IS SET TO ON UP6 AND JP7 IS SET TO OFF IF THE LAST SLAVE UNIT CLOSED JP6 5 WATER PUMP CONTROL CONTACTOR CUSTOMER INSTALLATION KM10 WATER HEATING CONTROL CONTACTOR CUSTOMER INSTALLATION KM11 WATER SYSTEM 2 WAYS VALVE CONTROL CONTACTOR CUSTOMER INSTALLATION THE SLAVE UNIT HAVE NOT MAC E PCB AND WIRED CONTROLLER O 00 Ga 12 LEAVING WATER TEMPERATURE SENSOR 7 ENTERING WATER TEMPERATURE SENSOR TH6 SYS1 MID COIL TEMPERATURE SENSOR TH3 SYS2 SUCTION TEMPERATURE SENSOR TH12 1 5751 SUCTION TEMPERATURE SENSOR TH11 COIL2 LEAVING TEMPERATURE SENSOR TH10 1 COIL1 LEAVING TEMPERATURE SENSOR 9 AMBIENT TEMPERATURE SENSOR 8 5 52 MID COIL TEMPERATURE SENSOR TH4 5 52 DISCHARGE TEMPERATURE SENSOR TH2 SYS1 DISCHARGE TEMPERATURE SENSOR TH 09 Ape Bin An 40 5 5 Bpc Apc Bin Ain Bpc Apc Bin Ain AC 220 240V 50Hz DWG NO M08024305095 LEAVING WATER TEMPERATURE SENSOR TH7 ENTERING WATER TEMPERATURE SENSOR TH6 5 51 MID COIL TEMPERATURE SENSOR TH3 5 52 SUCTION TEMPERATURE SENSOR TH12 5 51 SUCTION TEMPERATURE SENSOR TH11 2 LEAVING TEMPERATURE SENSOR TH10 COIL1 LEAVING TEMPERATURE SENSOR TH9 AMBIENT TEMPERATURE SENSOR TH8 5 52 MID COIL TEMPERATURE SENSOR SYS2 DISCHARGE TEMPERATURE SENSOR 2 5751 DISCHARGE TEMPERATURE SENSOR
28. aJd NESCIUS o SO Ses oe elei sts BI ee x IcLIeedq xl uel quce a E ee ee eee 5 Water flow m h NOTES 1 THE WATER PRESSURE DROP OF THE UNIT IS THE TEST RESULT WHEN A PLATE HEAT EXCHANGER AND THE ACCESSORY Y SHAPED FILTER ARE INSTALLED 2 THE WATER RESISTANCE OF THE PLATE HEAT EXCHANGER AND THE Y SHAPED FILTER ARE TESTED WITH PURE WATER IF THE ONSITE WATER QUALITY CHANGES THE TEST RESULT MAY BE DIFFERENT FROM THAT SHOWN IN THE FIGURE Sound Data Acoustic Noise e e N a 5 gt l he 5 o0 o0 2 5 Wal gt O Fe UAL210D DR UAL230D DR dB A 43 9 45 3 11 Wiring Diagrams MODEL UAL210 230DM5 DS5 380 415V 3N 50Hz E denn eral 5 JI LL HL W HL 2 EES COMPRESSOR 1 COMPRESSOR 2 SYMBOL DESCRIPTION exv ELECIRONC EXPANSNE VALVE HP HIGH PRESSURE SWITCH DPS PRESSURE SWITCH TR _ TRANSFORMER wm TEMPERATURE PROTECTOR FAN MOTOR 1 OVERLOAD PROTECTOR SETTING MODEL OL1 OL2 OLS 0141015 017 210 27A 24A 284 1 3 284 1 94 2 27 27A 28A 13A 28A 1 8 SWITCH SETTING MODEL S1 1 51 2 51 3 S1 4 52 2152 3153 1 53 2153 3 53 4 L210 OFF ON OFF ON orr ON 250 OFF LON OFF LON OFF ON OFF ON
29. and check that there is no duplicate address Reset the number of slave units and check that the number match with all the addresses 1 Exchange positions of the two 485 on Slave Unit No XX 2 Replace the control panel Connect the communication line of Slave Unit No XX to Apc Bpc port Reconnect the communication line to the Bin Ain port and screw down the wire terminal Compressor overload 1 The LED indicator of the unit displays ER16 and the wired controller displays 16 Fan overload in 1 Compressor overload in 2 The LED indicator of the unit displays 17 and the wired controller displays 17 Fan overload in 2 The LED indicator of the unit displays ER18 and the wired controller displays 18 Pump overload The LED indicator of the unit displays ER19 and the wired controller displays 19 Alarm from the differential water pressure switch Over current in the compressor has triggered the overload protector Over current in the fan has triggered the overload protector Over current in the compressor has triggered the overload protector Over current in the fan has triggered the overload protector Over current in the pump has triggered the overload protector Check whether the electric current parameter of the overload protector is configured correctly by referring to the electric circuit Check whether the resistor of the malfunctioned compressor meets specification requ
30. ays 36 input port broken down low pressure sensor Replace Orne Male Gls lay Superheat of 2 is too low down ER37 and the wired controller displays 37 2 The electronic expansion valve lipuradathenieddlarprearani fails to provide proper control The LED indicator 1 Low pressure sensor failure Replace the low pressure sensor of the unit displays ER38 and the wired Refrigerant leakage in 1 controller displays 38 The LED indicator 1 Low pressure sensor failure of the unit displays ER39 and the wired Refrigerant leakage in 2 4 Insufficient refrigerant Add refrigerant Replace the low pressure sensor Insufficient refrigerant Add refrigerant controller displays 39 39 LED indicator of the unit displays ER40 The LED indicator of the unit displays ER41 The LED indicator of the unit displays ER42 The LED indicator of the unit displays ER43 The LED indicator of the unit displays ER45 The LED indicator of the unit displays ER46 TH1 temperature sensor failure TH2 temperature sensor failure TH3 temperature sensor failure TH4 temperature sensor failure TH6 temperature sensor failure TH7 temperature sensor failure TH1 temperature sensor is not properly plugged or has broken off TH1 temperature sensor is shorted open There is something wrong with the test circuit of the temperature sensor i
31. ce of TH12 sensor meets specification requirements replace if not TH12 temperature sensor failure Ex shorted open 3 There is something wrong with the test circuit of the temperature Replace the control module sensor in the control module 1 Three lines of the low pressure Reconnect the connecting lines sensor is incorrectly connected of the low pressure sensor 2 The low pressure sensor is Repair or replace the lines of the shorted open low pressure sensor Low pressure sensor failure of 2 The Low pressure sensor has Replace the low pressure sensor broken down 4 There is something wrong with the test circuit of the low pressure Replace the control module sensor in the control module 41 1 Three lines of the low pressure Reconnect the connecting lines sensor is incorrectly connected of the low pressure sensor 2 The low pressure sensor is Repair or replace the lines of the The LED indicator shorted open low pressure sensor of the unit displays Low pressure sensor failure of 1 3 The Low pressure sensor has ER53 ae ie Replace the low pressure sensor 4 There is something wrong with the test circuit of the low pressure Replace the control module sensor in the control module 42 Warning INTERNATIONAL CERTIFICATION Daikin Industries Ltd s products are manufactured for export to numerous countries throughout the world Daikin Industries Ltd does not have control
32. d 150 14001 certification UKAS Certificate Number 9601019 ENVIRONMENTAL Certificate Number EMS80362 Cautions on product corrosion 1 units should not be installed in areas where corrosive gases such as acid gas or alkaline gas are produced 2 Ifthe unit is to be installed close to the sea shore direct exposure to the sea breeze should be avoided If you need to install the unit close to the sea shore contact your local distributor DAIKIN INDUSTRIES LTD Head Office Umeda Center Bldg 2 4 12 Nakazaki Nishi Kita ku Osaka 530 8323 Japan Tokyo Office JR Shinagawa East Bldg 2 18 1 Konan Minato ku Tokyo 108 0075 Japan http www daikin com global_ac All rights reserved Printed with soy ink Literature ED UAL D 201401A Supersedes ED UAL D 201310A
33. d for An Array of Chilled Water Units Back Back 211 14 Installing Chiller m user manual warranty card accessories and packing list are place at the right side of the unit as illustrated by the shaded part of the figure on the left m Reserve sufficient maintenance space if possible m lf the unit is installed in a place where it snows in winter proper measures must be taken to protect the unit against snow and ensure that the unit works properly m The groundwork should be made of concrete or supporting structures While designing the groundwork you must fully consider the strength of the floor water discharge the unit discharges water while working pipelining and wiring If the floor is not strong enough the unit might fall off and breakdown even incur bodily injuries m Screw down the chilled water unit using anchor bolts so that it will not fall off in case of strong wind or earthquakes To avoid damages caused by strong wind or earthquakes The unit must be securely installed at a proper place to avoid direct hit of strong winds m Depending on mounting conditions operation vibration might pass through the groundwork and generate noises in the floor and walls Therefore proper vibration dampening mechanisms such as bumper cushion bumper frame etc should be in place m Corners and
34. dule and re plug the temperature sensor Test whether the resistance of TH3 sensor meets specification requirements replace if not Replace the control module Check the control module and re plug the temperature sensor Test whether the resistance of TH4 sensor meets specification requirements replace if not Replace the control module Check the control module and re plug the temperature sensor Test whether the resistance of TH6 sensor meets specification requirements replace if not Replace the control module Check the control module and re plug the temperature sensor Test whether the resistance of TH7 sensor meets specification requirements replace if not Replace the control module LED indicator of the unit displays ER47 The LED indicator of the unit displays ER48 The LED indicator 32 of the unit displays ER49 The LED indicator of the unit displays ER50 The LED indicator of the unit displays ER51 The LED indicator of the unit displays ER52 1 TH8 temperature sensor is not properly plugged or has broken off Check the control module and re plug the temperature sensor Test whether the resistance of TH8 sensor meets specification requirements replace if not 2 TH8 temperature sensor is TH8 temperature sensor failure shorted open 3 There is something wrong with the test circuit of the temperature Replace the control module sensor in the control module 1 TH9 te
35. edges should be properly installed Otherwise the unit might get unbalanced and cause the grounding pins to bend The unit might fall off and cause bodily injuries if it is not properly installed Hoisting Chillers Please hoist the unit according to the following illustrations Tie the cables to the four corners of the unit while moving it If you tie the cables to only three corners of the unit the unit might get unbalanced and fall off Protective cushion Hoisting cable two 8m HTT 5 CHILLED WATER UNITS MUST MOVED WITH GREAT CARE m ACCESSORY STRIPS CANNOT BE USED TO HOIST OR MOVE THE UNIT AS THEY MIGHT BREAK AND CAUSE UNEXPECTED ACCIDENTS NOT TOUCH THE HEAT SINKS OF THE HEAT EXCHANGER BARE HANDEDLY AS THEY MIGHT CUT YOUR FINGERS m DISPOSE ALL PLASTIC BAGS PROPERLY AND KEEP THEM AWAY FROM CHILDREN 15 Water System Installation Water Quality Requirements Water in the water system must be softened to prevent scale in the heat exchanger and affecting the heat exchanger performance Water not softened can also cause scale in the water pipes and cause the water resistance to increase This affects the water flow and the performance of the water pump Softened water must meet the following requirements Tendencies Item Bench
36. em are clogged up 36 Optimize the water system Check and repair 1 motor has broken down cooling 2 Circulatory air is shorted cooling 3 The heat exchanger needs cleaning cooling 4 We fluorine side filter is clogged Check and replace Tune down water temperature LED indicator of the unit displays 6 The water flow is too small ER20 and the wired Low pressure of 1 heating Check and troubleshoot controller displays 20 7 Th d d Clean the water filter heating 8 The ambient temperature is too high cooling 9 Too much refrigerant REGAS a properamountol refrigerant 10 Failure of high voltage modular Replace the module output port 11 The switch has broken down Replace pressure switch 1 Malfunction of heat exchanger Check and troubleshoot the during heating outdoor unit 2 Malfunction of motor during Check and troubleshoot the The LED indicator heating outdoor motor Check and troubleshoot ER21 and the wired controller displays 21 4 Failure of low voltage modular Low pressure of 1 3 Insufficient refrigerant or leakage Check and replenish refrigerant Replace the module input port 5 The low pressure sensor has broken down Replace the pressure sensor 1 The motor has broken down cooling 2 Circulatory air is shorted cooling Check and troubleshoot 3 The heat e
37. erature 2 is too high and master unit Error Code and Running Status m Characters displayed by the LED indicator are explained in the following table Selen em omm enano omino ore es Ste repere bere pe x Codes representing normal operation statuses explained in the following table code sems owe sms exe ___ _ NULL standby CSP shutdown during cooling HEAL HEAT heating REST reset DEF defrosting HSP shutdown during heating 34 Cause for Failure and Troubleshooting Wired controller The LED indicator of the unit displays XX represents 00 14 The LED indicator 3 of the unit displays EC78 and the wired controller displays XX Unit No XX 1 A B communication lines of the wired controller and master unit are incorrectly connected 3 Communication wires between the wired controller and the master unit cross over strong current cables the master unit and the wired controller is too long Communication failure between wired controller and master unit 6 communicate with the monitoring software while the wired controller sends out the alarm F6 7 Failure of communication ports on the control panel of the master unit master unit the slave unit Communication failure of Slave The number of slave unit is set incorrectly for the master unit
38. etting mode if no key is pressed within 60 seconds 3 Real Time Setting To set week and time stick the small hole above the MODE key using a needle like tool the LCD displays Weekday Setting press A or V to choose the weekday stick the small hole again to save weekday setting the LCD displays Time Setting and the time starts to blink press A to change the hour and V to change the minute and stick the small hole again to save time setting 32 4 Timer Setting 1 After pressing TIMING the LCD displays Week Setting and Timer Setting at the same time Then you press A or V to choose the weekday and press OK to save the weekday setting The LCD now displays Timer Setting and you can continue to set the times of timing 2 Press A or V to set the number of timed actions for the day you set 4 as indicated above Unit No Select a timed action and press OK to select the action timed ON OFF 3 Press A or V to select Timed On or Timed Off and press OK Now the LCD displays Timer Setting and Time Setting and the time displayed starts to blink 4 You can press A to change the hour and to change the minute and press to save the time setting Now the LCD displays Timer Setting and returns to step 8 You can continue to set other timed actions for whole week and then quit this setting mode 5 To cancel a timed action set the time for this action to 00 00
39. he ambient temperature sensor Replace the ambient temperature of the unit displays Ambient temperature is too high has broken down uem ER27 and the wired low 2 The ambient temperature is too controller displays 27 high low The low pressure sensor or The LED indicator temperature sensor has broken Replace of the unit displays down Replace the electric heater of the water system Superheat of 1 is too low ER29 and the wired controller displays 29 2 electronic expansion valve Upgrade the modular program fails to provide proper control Communication line of the slave Check and troubleshoot the unit has broken off communication lines Incorrect DIP address setting for Reset the addresses of all slave units check that there is no the slave unit duplicate address Reset number of slave units a 3 The number of slave unit is set The LED indicator We check that number match Dees Communication failure between incorrectly for the master unit 15 of the unit displays with all the addresses ER31 the master unit and slave units Exchange positions of the 4 The PC communication port of two 485 on the slave unit the slave unit has broken down Replace the control panel of the unit 5 The communication line of the Connect ie une eas of the slave unit to the Apc Bpc slave unit is incorrectly connected port Restart the unit and slap slightly The slider of the 4 way valve
40. ion system Water circulation pump lift 2 Pipe resistance of the water system Partial resistance of the water system Water pressure drop of the unit x 1 1 m Open water circulation system Water circulation pump lift 2 Static resistance of the water system Pipe resistance of the water system Partial resistance of the water system Water pressure drop of the unit x 1 1 m Inthe case that multiple units share the same pump the pump lift is calculated according to the circuit that has the maximum resistance usually the unit that is farthest away from the pump NOTE THE WATER FLOW OF THE UNIT SHOULD CALCULATE ACCORDING THE WATER FLOW RANGE m Water flow range UAL210DM5 DS5 UAL210DRM5 DRS5 UAL230DM5 DS5 UAL230DRM5 DRS5 Min value m h 22 Commissioning and Operation Items to be Confirmed before Turning on Unit following conditions are met and read the Safety Precautions again 1 Note Before the pilot run check that the m Ensure that the water pump and the unit are connected Use the PCB controller to Control the on and off the water pump using the water pump output on the PCB controller otherwise the BPHE may burst due to freezing The water pump connection point must have no voltage If a voltage circuit is connected basic components may be damaged m Power on the unit to preheat the crankcase for at least 12 hours before starting up the unit for the first time or after a long term stoppage Thi
41. irements Check whether the electric current parameter of the overload protector is configured correctly by referring to the electric circuit Check whether the resistor of the malfunctioned fan meets specification requirements Check whether the electric current parameter of the overload protector is configured correctly by referring to the electric circuit Check whether the resistor of the malfunctioned compressor meets specification requirements Check whether the electric current parameter of the overload protector is configured correctly by referring to the electric circuit Check whether the resistor of the malfunctioned fan meets specification requirements Check whether the electric current parameter of the overload protector is configured correctly for the pump by referring to the electric circuit Check whether the resistor of the malfunctioned pump meets specification requirements 1 The pump model is too small Replace the pump 2 The water filter is clogged up Clean the water filter 3 Airin the water system is not Turn on the pump to further completely discharged discharge residual air 4 The differential water pressure Repair or replace the differential switch is clogged up water pressure switch 5 The differential water pressure Replace the differential water switch has broken down pressure switch 6 Pressure drop in the water system is too sharp and unbalanced 7 Other parts in the water syst
42. is more stable If pipes have no reverse return design pressure between branch pipes must be balanced in the design process When determining the diameters of pipes ensure that the transportation capacity is sufficient the resistance and noise is minimal and that the unit works economically A larger pipe diameter requires more investment but the flow resistance is smaller the circulation pump consumes less energy and the operation cost is smaller Therefore a balance needs to be achieved between the operation cost and investment by designing the pipe diameter properly Avoid a large water flow with small temperature variation to ensure that the pipe system is economical In the design process calculate water resistance accurately to ensure that water pressures between circuits are well balanced and that the air conditioning system works with the best water and thermal conditions The pipe system of an air conditioning system must meet the adjustment requirements for partial workload The pipe system of an air conditioning system should use energy saving technologies whenever possible Pipes and accessories of the pipe system must meet the related requirements The design of the pipe system must facilitate maintenance operation and adjustment Determining the diameter of pipes in the air conditioning system The pipe diameter is determined based on the following 4m the formula water flow m s idi
43. is on both sides of the 4 way valve jammed in the middle If the problem persists replace the 4 way valve The LED indicator of the unit displays Temperature of return air in 1 is ER32 and the wired too high 40 C operates abnormally controller displays 32 3 The temperature of discharge air is too high and has triggered the racing protector of the compressor see Item 17 in the table 1 The fan motor has broken down cooling 2 Circulatory air is shorted cooling Check and troubleshoot the unit 3 The heat exchanger needs cleaning cooling 4 electronic expansion valve is Check and troubleshoot Heel not opened as expected heating electronic expansion valve of the unit displays Temperature of discharge air in 9 ER33 and the wired 1 is too high Change the setting for return controller displays 33 5 The water temperature is too high water temperature to be performed by service personnel 6 Insufficient refrigerant or leakage Replenish a proper amount of refrigerant Change the defrosting parameter 1 Incomplete defrosting to be performed by service personnel 38 Restart the unit and slap slightly 1 The slider of the 4 way valve is on both sides of the 4 way valve jammed in the middle If the problem persists replace the 4 way valve The LED indicator of the unit displays Temperature of return air in 2 is 2 The winding of the 4 way valve Rechte
44. mark value Ce E pH pHQSoO 70 90 9 0 Sone mg lt lt 200 tne mg OCH Acid consumption Le 0 0 CaCO L lt 100 GE o9 kt 0 jJ Reference items NOTE REPRESENTS FACTORS THAT MAY CAUSE CORROSION OR SCALING Water System Installation Schematic Diagram Connecting Water Pipes No water pump is provided as an accessory A proper water pump must be installed to overcome resistance of the water pipes Water pressure gauges and thermometers must be installed at the water inlets and outlets to facilitate the reading of unit operation status m he heat exchanger at the water side is made of stainless steel Water scale may accumulate depending on the water quality and must be cleared using chemicals from time to time Therefore a chemical cleaning pipe connector needs to be installed at the water pipes see the following figure 16 The water flow must be the rated range If the water flow is too small scale may accumulate degrade the performance of the unit cause the antifreeze device to activate or cause rust points and refrigerant leakage If the water flow is too large the unit may be corroded due to water impact m A adiabatic water tank with a proper volume is suggested to installed If the capacity is too small the unit might frequently restart which causes wear and tear on the compressor An expansion water
45. measures including the following for reference only borate and inhibitors for organic materials a borate and silicate High density chromate solution and pH control and sulfite control Polyphosphate salt and silicate Alkali phosphate and sulfite control Because it is hard to control water quality for closed recycle systems we recommend that the total density of copper pipe inhibitors such as NaNO borax silicate and benzothiazole should be no less than 1400 ppm The inhibitor NaNO is soluble in glycol and can be used in northern areas or in the subsystem of solar power systems m Open Re circulation System This type of water system is generally not recommended They are exposed to the atmosphere and are susceptible to scale corrosion mud and alga Therefore they might degrade the performance and reduce the service life of the unit m Once through System Generally once through systems are only used for cooling only air conditioners Water systems of this type use water from taps lakes rivers and wells Although the once through system exchanges heat with the closed water circuit it is not considered as an integral part of the water source heat pump system Once through systems may be troubled by either scale or corrosion This type of water system requires large amount of adjustment water Therefore you need to consider the scale coefficient the equipment used for cleaning work and necessa
46. mperature sensor is not properly plugged or has broken off Check the control module and re plug the temperature sensor Test whether the resistance of TH9 sensor meets specification requirements replace if not 2 TH9 temperature sensor is TH9 temperature sensor failure shorted open 3 There is something wrong with the test circuit of the temperature Replace the control module sensor in the control module 1 TH10 temperature sensor is not properly plugged or has broken off Check the control module and re plug the temperature sensor Test whether the resistance of TH10 sensor meets specification requirements replace if not 2 TH10 temperature sensor is TH10 temperature sensor failure shorted open 3 There is something wrong with the test circuit of the temperature Replace the control module sensor in the control module 1 TH11 temperature sensor is not properly plugged or has broken off Check the control module and re plug the temperature sensor Test whether the resistance of TH11 sensor meets specification requirements replace if not 2 11 temperature sensor 15 shorted open TH11 temperature sensor failure 3 There is something wrong with the test circuit of the temperature Replace the control module sensor in the control module 1 TH12 temperature sensor is not properly plugged or has broken off Check the control module and re plug the temperature sensor Test whether the resistan
47. n the control module TH2 temperature sensor is not properly plugged or has broken off TH2 temperature sensor is shorted open There is something wrong with the test circuit of the temperature sensor in the control module TH3 temperature sensor is not properly plugged or has broken off TH3 temperature sensor is shorted open There is something wrong with the test circuit of the temperature sensor in the control module TH4 temperature sensor is not properly plugged or has broken off temperature sensor is shorted open There is something wrong with the test circuit of the temperature sensor in the control module TH6 temperature sensor is not properly plugged or has broken off TH6 temperature sensor is shorted open There is something wrong with the test circuit of the temperature sensor in the control module TH7 temperature sensor is not properly plugged or has broken off TH7 temperature sensor is shorted open There is something wrong with the test circuit of the temperature sensor in the control module 40 Check the control module and re plug the temperature sensor Test whether the resistance of TH1 sensor meets specification requirements replace if not Replace the control module Check the control module and re plug the temperature sensor Test whether the resistance of TH2 sensor meets specification requirements replace if not Replace the control module Check the control mo
48. over which products are exported to and used in a particular country Prior to purchase please therefore confirm with your local authorized 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 This statement does not purport to exclude restrict or modify the application of any local legislation Ask a qualified installer or contractor to install this product Do not try to install the product yourself Improper installation can result in water or refrigerant leakage electrical shock fire or explosion Use only those parts and accessories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorized parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion Read the User s Manual carefully before using this product The User s Manual provides important safety instructions and warnings Be sure to follow these instructions and warnings If you have any enquiries please contact your local importer distributor and or retailer The air conditioners manufactured by Daikin Industries have received ISO 9001 series certification for quality assurance airconditioning factories of Daikin Industries have received environmental management system standar
49. ry anti corrosion materials Caution Water from lakes and rivers may cause problems such as mud and alga Comparison among closed recycle systems open recycle systems and once through systems m Once through System Open Recycle System Closed Recycle System Discharge Surface activator such as polyphosphate salt Increased acidity pH adjustment Softening other considerations include surface temperature water temperature and system cleaning Surface activator such as polyphosphate salt Increased acidity Scale control pH adjustment Other considerations include surface temperature water temperature and system cleaning No control is necessary High density 200 500 ppm Low density corrosion inhibitor corrosion inhibitor Anti CaCO plate Low density 20 30 ppm 1 High density corrosion inhibitor pH control corrosion inhibitor 2 Proper material Proper material pH control Proper material Corrosion control Chloridized hydroxybenzene Chloridized hydroxybenzene Other chemicals Other chemicals Chlorine formed by hypochlorite Chlorine formed by hypochlorite and liquid chlorine and liquid chlorine Mud and alga control No control is necessary 26 Control System Instruction Power Cable Connection Diagram 380 415V 3N 50Hz 55 L2
50. s ensures that the compressor works properly m Before turning on the unit check that the water pump is filled with water Before turning on the water pump open the water supply valve fill the pump with water and discharge free air in the system m Wiring of the unit Check that the diameter of the wires meets requirements the wires are correctly connected the grounding line is securely connected m Before turning on the unit clean the water system and ensure that pipes are clean without contaminants For the cleaning method see 4 5 Connecting Water Pipes m Make sure that the working conditions do not exceed the rated working range Items to be Checked during the Pilot Run Check the following items after the unit has worked properly for a period of time NOTE THE REFERENCE STANDARDS ARE USED TO CHECK WHETHER A UNIT WORKS PROPERLY ONSITE REFERENCE STANDARDS ARE DETERMINED BASED ON THE MAXIMUM AND MINIMUM WORKING CONDITIONS IF REFERENCE STANDARDS ARE EXCEEDS AFTER THE UNIT HAS PROPERLY WORKED FOR A PERIOD OF TIME CONTACT THE LOCAL DEALER OR DAIKIN FOR HELP 23 Maintenance Repair N Note Before checking and maintaining the unit confirm the safety precautions again Note Before delivery strict factory test is conducted to ensure the unit works at optimal performance The unit must be maintained from time to time The unit can only be repaired and serviced by specially trained technicians After a unit
51. s numbers must be unique in te same system 28 Communication between master and slave unit A The unit can only be powered on and commissioned after the address numbers are configured B Control Communication Wire Connection Master unit Dy Apc Bin Ain Slave Unit No 1 Dy Apc Bin Ain Slave Unit No n 1 Slave Unit No n In Bin A o o Bpe Apc Bin Ain AC 220 240 50 2 Power adapter LED C Wired controller 29 A conductor WTC pair with cross section area of at least 0 5mm 20AWG B insulator C Screen layer twisted WTC with a screening factor no less than 95 D Outer jacket PVC Illustration of shielded twisted pair SN NOTE BETTER CHOOSE NETWORK CABLES WITH A TENSER SHIELDING LAYER AND SMALLER TWISTING DISTANCE PLEASE REFER TO THE UL2547 OR UL2791 WIRE SPECIFICATION THE CONTROL WIRE MUST NOT BE LONGER THAN 1000 METERS THE CONTROL WIRE MUST BE AT LEAST 20CM AWAY FROM MAJOR CURRENT WIRE Wired Controller Instruction Dimensions 1amm 7 120mm MODE PASSWORD Controller Installation Connected to power supply
52. tank must be installed at the return water side of the water system to adapt to water pressure variations in the water supply system caused by ambient temperature changes m An auto relief valve must be installed at the highest point in the water system A suitable water discharge valve must be installed at the lowest point in the water system m he water pipes must be adiabatic to avoid heat loss and condensate water Please follow the Illustration for water system installation and drawings from the design institute while installing the water system m install the Y shaped water filter inside the water inlet pipe and rinse the filter screen after commissioning m Before injecting water make sure that no sand rubble rust soldering tin residue or other impurities exist in the pipe as these things might damage the heat exchanger While rinsing the water system please bypass the unit and the terminal heat exchanger using by pass valves m installation illustration for the water system of a single unit Expansion water tank 5 2 gt eet 8 os gt o m a 8 8 g s 8 5 2 5 8 amp De e Chiller j D lt D 2 5 3 2 2 NE 5 SD EE
53. the unit is off temperature password unit number and other parameters Timer setting button This function can be used to specify different ON OFF times for different units password After you have chosen the correct password selected unit the text box continues to display time 31 The control system has the following functions 1 Controlling the 2 way valve of the water system relevant 11 Timing accessories need to be purchase separately 3 Anti freeze protection for plate heat exchanger Protection for Compressors in Operation 3 Alternative defrosting 13 Averaging Workload among Compressors Manual defrosting Failure alarm viewing and output 6 Weck Seting st Setting and resetting the operating parameters of the unit 9 Setting the serialnumber of a unit Im Displaying the indoor and inlet water temperatures 1e case ota power Settings 1 Parameter Viewing The controller can be used to view the operation status and parameters of any unit connected to it Parameters can be view include operation status of the compressor inlet outlet water temperature timer setting cooling antifreeze temperature setting antifreeze temperature setting in winter defrosting temperature and so on After pressing the UNIT key you can increase decrease the blinking unit No and view the parameters of the current unit by pressing A or V To view more working parameters
54. this area displays the current time ON OFF display This area displays the ON OFF status of the unit Unit number display This area displays the unit number unit number is displayed according to the DIP switch settings When you press Password this area display the password settings mode When you press Week and Time Setting this area displays the current time Press ON OFF to turn on off the unit the RUN indicator lights up goes out Reset key You can stick this hole using a needle like Button for setting the tool to reset the controller week and time When you stick the small hole using a needle like tool the time and password area displays the week and time 1 Change the display on the function setting options then you can press A or to set the display screen according to a specified week and time sequence 2 Set the temperature OK button This button is used to set the clock timer Passwo rd button Unit button When you press PASSWORD the text box at the After pressing the unit key you lower bottom of the LCD displays Input password and can press the or button to 00 Then you can press or Y to change the change the value select a unit number and press OK after getting the correct and view the status of the TIMER Mode selection button Press the Mode key can switch between heating and cooling Note that heating cooling can only be switched when
55. xchanger needs cleaning cooling 4 The fluorine side filter is clogged Check and replace up 5 The water temperature is too high heating Tune down the water temperature The LED indicator of the unit displays ER24 and the wired controller displays 24 6 The water flow is too small Check and troubleshoot heating High pressure of 2 7 The water filter is clogged up heating Clean the water filter 8 The ambient temperature is too high cooling ore Release a proper amount of 9 Too much refrigerant refrigerant 10 Failure of high voltage modular output port Replace the module 11 The switch has broken down Replace pressure switch The LED indicator 1 The temperature of return water Change the temperature setting of the unit displays Temperature of inlet outlet water is set too low for return water ER25 and the wired is too low 2 water flow is too small controller displays 25 resulting in a large pressure drop Check the water system see Item 7 in the table N Short the overload switch for the electric heater if there is no electric heater in the water 1 Check whether the water system The LED indicator is equipped with an electric heater of the unit displays Overload of electric heater in system ER26 and the wired water system controller displays 26 2 The heating wire of the electric heater in the water system is shorted The LED indicator 1 T
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