Daikin SEHVX20BAW Installation And Operation Manual Download

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Installation and operation manual

Split packaged air-cooled water chiller

English

Installation and operation

manual

Split packaged air-cooled water chiller

SERHQ020BAW1
SERHQ032BAW1

SEHVX20BAW
SEHVX32BAW
SEHVX40BAW
SEHVX64BAW

Summary of Contents for SEHVX20BAW

Page 1: ...and operation manual Split packaged air cooled water chiller English Installation and operation manual Split packaged air cooled water chiller SERHQ020BAW1 SERHQ032BAW1 SEHVX20BAW SEHVX32BAW SEHVX40BA...

Page 2: ...rnice v platnom znen De i tirilmi halleriyle Y netmelikler 01 02 03 04 as set out in A and judged positively by B according to the Certificate C as set out in the Technical Construction File D and jud...

Page 3: ...vastaava kyll stysl mp tila M C Kylm aine N Varmuuspainelaitteen asetus P bar Valmistusnumero ja valmistusvuosi katso mallin nimikilpi Maxim ln p pustn tlak PS K bar Minim ln maxim ln p pustn teplota...

Page 4: ...vodili on vastavuses j rgmis t e standardi te ga v i teiste normatiivsete dokumentidega kui neid kasutatakse vastavalt meie juhenditele atitinka emiau nurodytus standartus ir arba kitus norminius doku...

Page 5: ...after charging refrigerant 17 5 6 6 To fix the fluorinated greenhouse gases label 17 5 7 Connecting the water piping 17 5 7 1 To connect the water piping 17 5 7 2 To fill the water circuit 17 5 7 3 T...

Page 6: ...les on http www daikineurope com support and manuals product information Latest revisions of the supplied documentation may be available on the regional Daikin website or via your dealer The original...

Page 7: ...t exchangers In cooling mode the refrigerant transports the heat taken from the water heat exchanger to the air heat exchanger where the heat is released to the air In heating mode the refrigerant tra...

Page 8: ...2 7 mm 0 80 mm 15 9 mm 0 99 mm 19 1 mm 22 2 mm 0 80 mm 28 6 mm 0 99 mm 34 9 mm 1 21 mm 41 3 mm 1 43 mm 4 2 2 To select the piping size Determine the proper size using the following tables and referenc...

Page 9: ...volume will be 3 5 times larger Correction factor curve for minimum water volume 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 0 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 7 5 8 8 5 9 a b a Water volume correct...

Page 10: ...be opened as follows 4 4 Once the front plates open the electrical component box can be accessed See 5 1 4 To open the electrical component box of the outdoor unit on page 10 For service purposes the...

Page 11: ...tion place and condition The preferred installation is on a solid longitudinal foundation steel beam frame or concrete 722 737 67 67 765 67 67 A B Minimum foundation Outdoor unit A B SERHQ020 930 792...

Page 12: ...ry bag b Attach the other L shaped support to the right side of the top plate using 1 screw from the accessory bag and 1 screw that is already attached to the unit 5 4 Connecting the refrigerant pipin...

Page 13: ...panel Especially for the bottom and side connection be sure to protect the piping with suitable insulation to prevent it from coming into contact with the casing NOTICE Use a 2 stage vacuum pump with...

Page 14: ...se to service ports of all stop valves 3 Recover gas and oil from the pinched piping by using a recovery unit CAUTION Do not vent gases into the atmosphere 4 When all gas and oil is recovered from the...

Page 15: ...trogen c Weighing scales d R410A refrigerant tank siphon system e Vacuum pump f Charge hose g Service port for adding refrigerant h Liquid line stop valve i Gas line stop valve j Stop valve service po...

Page 16: ...on is established between outdoor unit s and indoor units NOTICE Close the front panel before any refrigerant charge operation is executed Without the front panel attached the unit cannot judge correc...

Page 17: ...sed as tonnes CO2 equivalent is used to determine the maintenance intervals Follow the applicable legislation Formula to calculate the greenhouse gas emissions GWP value of the refrigerant Total refri...

Page 18: ...surface of the insulation 5 8 Connecting the electrical wiring 5 8 1 Field wiring Overview Most field wiring on the unit is to be made on the terminal blocks inside the electrical component boxes To...

Page 19: ...o observe this instruction properly may adversely affect correct operation of other units connected to the same earth SERHQ020 a g c d b i g e j h f f f SERHQ032 f f g g i h e j f a c d b f f a Electr...

Page 20: ...ls as shown on the wiring diagram 3 Fix the cables with cable ties to the cable tie mountings to ensure strain relief and to make sure that they do not come in contact with the piping and sharp edges...

Page 21: ...avoid receiving electric noise external noise Peel the shield for the part that has to pass through the inside of the user interface case L L 4 Reattach the upper part of the user interface starting w...

Page 22: ...E TEST L N O P DEMAND C H SELECT HWL IND MASTER SLAVE MULTI H1P H2P H3P H4P H5P H6P H8P H1P H8P LEDs BS1 BS5 Pushbuttons DS1 DS3 DIP switches ON OFF Flashing Pushbuttons Use the pushbuttons to make th...

Page 23: ...Once mode 2 is selected push BS1 for more than 5 seconds you can select the wanted setting It is done by pushing BS2 Accessing the selected setting s value is done by pushing BS3 1 time To quit and re...

Page 24: ...ing night time By changing this setting you activate the automatic low noise operation function of the unit and define the level of operation Depending on the chosen level the noise level will be lowe...

Page 25: ...ate field setting first code 3 Press to select the appropriate field setting second code 4 Press and to change the value of the selected field setting 5 Press to save the new value 6 Repeat the previo...

Page 26: ...he last programmed command 16 00 overruled the previous programmed command 13 00 and will remain active until the next programmed command 19 00 occurs So in order to know the actual setting you should...

Page 27: ...mperature setpoint B Room setback temperature 5 03 t Time T Temperature Setback configured for leaving water temperature control 2 01 2 02 B A T t 45 C 40 C 5 C 5 02 A Normal leaving water temperature...

Page 28: ...tat input 1 heating operation ON 1 OFF 0 External room thermostat input 2 cooling operation ON 1 OFF 0 2 External room thermostat input 1 operation ON 1 OFF 0 External room thermostat input 2 cooling...

Page 29: ...ing water setpoint in cooling operation This depends on field setting A 04 C 04 This setting is not applicable d Settings are not applicable E Service mode E 00 This setting is not applicable E 01 Thi...

Page 30: ...page 18 according to the wiring diagrams and according to the applicable legislation Power supply voltage Check the power supply voltage on the local supply panel The voltage MUST correspond to the v...

Page 31: ...input to the indoor unit is not correctly wired X1M the pump may rotate in the wrong direction When this happens the pump may slowly overheat due to reduced air flow fan ventilation may be reduced an...

Page 32: ...display mode after 10 seconds 7 5 2 To test space heating cooling 1 Check the leaving water and entering water temperature using the remote controller read out mode and write down the displayed value...

Page 33: ...ommunication Contact your local dealer R410A liquid thermistor error R13T R23T Check wiring connections Contact your local dealer Returning water thermistor error R12T R22T Check wiring connections Co...

Page 34: ...a c d A C B D a e b d e A C B D 2 1 c a c e b d f A C B D 3 a c e b b d A C B D 4 Layout A B C D A B Possibility 1 Possibility 2 1 a 10 mm b 300 mm c 10 mm d 500 mm a 50 mm b 100 mm c 50 mm d 500 mm a...

Page 35: ...i a a j j k k m l l m m o n n d d d d p d d d 20 kW a b b c d f e g h i a a a l o l l k k m m m m d d n n n d d d d d j j j d p d 32 kW a Check valve b Electronic expansion valve c Pressure regulatin...

Page 36: ...B h g k C D a Air purge valve b Temperature sensors R11T R12T R13T R14T c Expansion vessel 12 l d Shut off valve field installed e Water inlet connection f Water outlet connection g Drain port h Wate...

Page 37: ...r compressor M1F M2F Motor fan PS Switching power supply A1P A3P Q1DI Earth leakage circuit breaker field supply Q1RP Phase reversal detection circuit R1T Thermistor fin A2P R1T Thermistor air A1P R2T...

Page 38: ...Selector switch emergency SS1 A2P Selector switch master slave SS1 A7P Selector switch master slave optional V1C V2C Ferrite core noise filter X1M X4M Terminal strip X801M A P Printed circuit board te...

Page 39: ...n range Use the system in the following temperature ranges for safe and effective operation Cooling Heating Outdoor unit 5 43 C DB 15 35 C DB Indoor unit 5 20 C DB 25 50 C DB 12 2 Quick start up The f...

Page 40: ...he system 12 3 1 About the clock INFORMATION The clock must be set manually Adjust the setting when switching from summertime to wintertime and vice versa The clock cannot be adjusted if the controlle...

Page 41: ...s then operated in the leaving water control mode and is not functioning as a room thermostat The remote controller ON OFF status always has priority over the external room thermostat INFORMATION Setb...

Page 42: ...ferent levels of quiet mode operation The desired quiet mode is set through a field setting 1 Press to activate quiet mode operation Result appears on the display If the controller is set to permissio...

Page 43: ...C 1 OFF ON ON 6 30 0 30 B t 6 30 9 00 16 00 23 00 19 C 19 C 22 C 21 C 42 C 42 C 45 C 44 C 19 C 19 C 22 C 21 C 42 C 42 C 45 C 44 C 3 OFF ON ON 18 C 40 C 40 C 18 C 1 Schedule timer 2 Setback function 3...

Page 44: ...nking 4 Consult the action s using and 5 Hold down for 5 seconds to program the detailed actions Result The first programmed action appears 6 Select the action number you would like to program or to m...

Page 45: ...ult If is pressed when action number 3 is displayed actions 1 2 and 3 are stored but action 4 is deleted You automatically return to step 6 Press several times to return to previous steps in this proc...

Page 46: ...multaneously for 5 seconds 6 After 5 seconds the display will show the next day e g if was selected first This indicates that the day has been copied 7 Press to return to step 2 To delete a mode 1 Pre...

Page 47: ...plate of the unit The installation date The symptoms or malfunction and details of the defect 13 2 3 Recommended maintenance and inspection cycles Be aware that the mentioned maintenance and replaceme...

Page 48: ...warranty card 14 1 Error codes Overview In case a malfunction code appears on the indoor unit user interface display contact your installer and inform the malfunction code the unit type and serial num...

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Daikin SEHVX20BAW, Installation And Operation Manual

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