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49

Chapter 7    Troubleshooting

No. Alarm Information

Possible cause

Elimination method

28

+XPLGL¿HU

1.  The humidifying water has 

a too high conductivity.

2.  The humidifying water has 

a too low conductivity.

3.  The humidifying inlet valve 

is abnormal.

4.  The humidifying drain 

valve is abnormal.

5.  The humidifying cylinder 

abnormal.

Inspect the humidifying cylinder.

29

Heater # Failed

1.  The # heater connection is 

incorrect.

2.  The re-heating protector is 

tripped.

1.  Make sure the # heater 

connection is correct.

2.  Make sure the fans run normally.

30

Leak Wire Open

Leakage detector wire is not 
properly connected

Check if the leakage detector is 
loosened or disconnected or in poor 
contact.

NOTE:

,IWKHDODUPVWLOOH[LVWVDIWHUWKHDERYHSRVVLEOHFDXVHVDUHHOLPLQDWHGSOHDVHFRQWDFW

your dealer or customer service.

Содержание RowCool HCH1CD0

Страница 1: ...Delta InfraSuite Precision Cooling The power behind competitiveness www deltapowersolutions com RowCool Chilled Water Type HCH1CD0 HCH1CH0 HCH1CS0 User Manual ...

Страница 2: ...e operation or the use of this product Q GLVSRVLWLRQ GXSOLFDWLRQ GLVVHPLQDWLRQ UHSURGXFWLRQ PRGL FDWLRQ WUDQVODWLRQ H WUDFWLRQ RU XVDJH of this Manual in whole or in part is prohibited without the prior written permission of Delta Given that Delta will continuously improve and develop the product changes may be made to the information in this Manual at any time without obligation to notify any per...

Страница 3: ...ries 5 2 5 Appearance 5 RPSRQHQWV GHQWL FDWLRQ 6 2 7 Piping System 9 2 8 Control panel 10 Chapter 3 Installation 11 3 1 Installation Site 11 3 2 Clearance zone 12 3 3 Handling 12 3 4 Positioning 14 3 5 Open the Front Door and Remove the Side Panels 15 3 6 Hole Drilling 16 WHUQDO 3LSLQJ 17 3 8 Power Connection 18 3 8 1 Power 18 RQWURO ER 21 Chapter 4 Initial Startup 24 4 1 Pre Start up Inspection 2...

Страница 4: ...5 6 3 Controller Setting 34 5 6 4 Setting of automatic control mode 36 5 6 5 Alarm Setting 36 5 6 6 Inquiry of system status 38 5 6 7 Inquiry elimination of event log 39 5 6 8 Inquiry reset of running hours 39 5 6 9 Change of system type 40 5 6 10 Restore to Factory Setting 41 Chapter 6 Maintenance and Cleaning 42 6 1 Firmware Upgrade 42 6 2 Storage 42 Chapter 7 Troubleshooting 43 SSHQGL 7HFKQLFDO...

Страница 5: ...is disconnected before making a connection If necessary use a volt ohm milliammeter to FRQ UP WKLV y W LV VXJJHVWHG WKDW WKH LQVWDOODWLRQ DUHD VKRXOG QRW KDYH ÀDPPDEOH REMHFWV DQG WKH HTXLSPHQW VKRXOG EH LQVWDOOHG RQ D VWDEOH ÀRRU y This unit is only intended for indoor use The indoor environment must be separated from the outside air so as to avoid temperature and humidity interference Consult th...

Страница 6: ... PDQDJH RXU FRROLQJ XQLW YLD D XVHU IULHQGO LQWHUIDFH 7KH FRROLQJ HႈFLHQF FDQ EH actively controlled by its built in MCU and it will remind you of any abnormality via the alarm system so as to guarantee normal operation 2 2 Functions and Features y Intelligent temperature and humidity control Accurate detection and management of the data center s temperature and humidity by the built in MCU y User...

Страница 7: ...er of any water leakage so as to protect the safety of the equipment y Output and input dry contacts 7ZR RXWSXW DQG WZR LQSXW GU FRQWDFWV IRU UH DODUP VPRNH DODUP V VWHP DODUP HWF y Heat insulation side panels Isolate the interference of outside temperature y Lockable front and rear doors and side panels Prevent any unauthorized operation y Casters For convenient movement or relocation y Compatibl...

Страница 8: ...nfraSuite RowCool Precision Cooling Unit 1 2 User manual 1 3 Key shared by front rear doors and side panels 2 4 Cable tie 3 5 Remote temperature sensor 4 meters 2 6 4 pin terminal block 2 7 3 pin terminal block 1 8 Cable gland 2 9 Cover plate for communication wiring duct 1 10 Cover plate for power supply 2 11 Iron hose clamp ring 1 12 1RQ ZRYHQ OWHU 1 DXWLRQ 8VH RQO IRU GXVWSURRI DSSOLFDWLRQV DW ...

Страница 9: ...card Use the Delta SNMP card to achieve the best compatibility y Remote temperature and humidity sensors y Stainless steel hose GLDPHWHU OHQJWK 0 GXDO VLGH 37 WRRWK ZKLFK FDQ UHGXFH LQVWDOODWLRQ GLႈFXOW 2 5 Appearance Figure 2 1 HCH1CD0 Figure 2 2 HCH1CH0 Figure 2 3 HCH1CS0 2000 mm 2400 mm 2400 1090 mm 600 mm 1090 mm 600 mm 1090 mm 600 mm mm ...

Страница 10: ... 5 6 7 8 9 13 12 10 11 1 2 3 5 6 7 8 9 13 12 10 11 Figure 2 4 HCH1CD0 front view Figure 2 6 HCH1CH0 front view Figure 2 8 HCH1CS0 front view Figure 2 5 HCH1CD0 bottom view Figure 2 7 HCH1CH0 bottom view Figure 2 9 HCH1CS0 bottom view Front cold aisle Front cold aisle Front cold aisle Rear hot aisle Rear hot aisle Rear hot aisle ...

Страница 11: ...d B power inlet hole 3 Front door lock 10 Lower outlet hole of chilled water 4 Gradienter 11 Lower inlet hole of chilled water 5 Casters 12 Drain hole 6 Levelers 13 Leakage detector outlet 7 Detachable heat insulation side panels y Internal 1 2 4 3 6 5 1 2 4 3 6 5 Figure 2 10 HCH1CD0 inside view Figure 2 11 HCH1CH0 inside view ...

Страница 12: ...ric panel 2 Water pan 5 KDXVW YHQW RI UHWXUQ ZDWHU 3 Fans 6 Filter Figure 2 14 HCH1CH0 main components Figure 2 13 HCH1CD0 main pipe components Figure 2 15 HCH1CS0 main components 1 1 1 2 3 3 3 4 4 4 No Description No Description 1 Inlet water temperature sensor 3 Outlet water temperature sensor 2 Flow meter 4 Two way ball valve and actuator ...

Страница 13: ...2 16 Pipe circuit diagram No Description No Description 1 Drain connector 6 Flow meter 2 Coil water pan 7 Inlet connector of chilled water 3 Coil 8 Outlet connector of chilled water 4 Outlet water temperature sensor 9 Two way ball valve 5 Inlet water temperature sensor ...

Страница 14: ...low light indicates the unit runs in standby mode The ÀDVKLQJ LQGLFDWRU LQGLFDWHV WKH XQLW UXQV LQ IRUFH PRGH 4 WARNING The yellow light indicates alarm information 5 FAULT The red light indicates fault information 6 Ÿź 3DJH 8S 3DJH RZQ PRYH WKH KLJKOLJKWHG DUHD RU VHOHFW WH W 7 ESC Goes back to previous screen or cancels current operation 8 QWHUV RXU VHOHFWHG LWHP RU FRQ UPV RXU VHOHFWLRQ RU VHWW...

Страница 15: ...void temperature and humidity interference The outside humidity entry must be minimized in accordance with the local or national regulations so as to avoid the increase of operation costs due to temperature GLႇHUHQFHV LQFUHDVLQJ WKH KHDW ORDG WHPSHUDWXUH y Humidity and heat source Implement water proof and heat insulation engineering for the indoor environment so as to isolate the outside humid ho...

Страница 16: ... Wall Raised floor Common floor Above 300 mm Below 300 mm Raised floor common floor 1200 mm 600 mm Front Rear Figure 3 1 Space reservation 3 3 Handling y Handling Instructions Before moving the equipment to the installation site plan the route according to the IROORZLQJ LQVWUXFWLRQV 0DNH VXUH WKH SDVVDJH ÀRRU HOHYDWRU RU VORSH RQ WKH KDQGOLQJ URXWH FDQ EHDU WKH ZHLJKW RI WKH HTXLSPHQW DQG KDQGOLQJ...

Страница 17: ...damage the casters or even result in toppling 5 When moving the unit pay attention to its height and center of gravity At least two people working together should handle the unit so as to guarantee safety y Levelers After moving the unit into place use a wrench to rotate clockwise the four levelers beside WKH FDVWHUV WR SXW WKHP GRZQ DQG VWDEOH RQ WKH ÀRRU 0DNH VXUH WKH XQLW FDQQRW VOLGH RU topple...

Страница 18: ...GXUHV 1 If the front door is locked please use the attached key to open it 2 Remove the unit s earth wire and the control panel interface cable raise the front door and take it out 3 Use the key to unlock the rear door remove the earth wire raise the door and take it out The rear door is of the split type and if necessary take down both doors NOTE Put the front and rear doors that have been remove...

Страница 19: ...nting bracket Floor Completion of installation 1 1 2 2 Figure 3 5 Installation of L type balance support 3 5 Open the Front Door and Remove the Side Panels To open the front door use the attached key to unlock the front door push the door handle s button and rotate the handle To remove a side panel use the same attached key to unlock the side panel simultaneously press down the two door holders lo...

Страница 20: ...QFH RI outside temperature and avoid condensed water The hole diameter should be about 13mm 128 128 124 212 137 477 113 277 468 212 477 132 157 315 299 5 456 2 990 223 497 Figure 3 7 HCH1CD0 piping positions and dimensions Figure 3 8 HCH1CD0 piping diameter and positions Figure 3 9 HCH1CH0 piping positions and dimensions Figure 3 10 HCH1CH0 piping diameter and positions Figure 3 11 HCH1CS0 piping ...

Страница 21: ...OWHU QHHGV FOHDQLQJ RU PDLQWHQDQFH close the ball valve to let the chilled water go to the cooling unit via the branch so as to avoid VKXW Rႇ ORVV QVWDOO D SUHVVXUH PHWHU 4 6 LQ IURQW RI DQG DIWHU WKH W SH OWHU DQG MXGJH LI WKHUH LV D EORFNDJH DFFRUGLQJ WR WKH SUHVVXUH GLႇHUHQFH RQ JXUH D PXOWLSOH IXQFWLRQDO EDODQFH YDOYH 7 at the return water end for adjusting the return ZDWHU ÀRZ UDWH y Pipeline...

Страница 22: ...orque 12 2Kgf cm 4 If there is no wire passing through the communication wire duct at the top of the cabinet cover the duct with the cover plate provided in the accessory package so as to avoid dust accumulation 5 Reserve inlet wire length on site wiring and make sure the G to longer than R S T and N wires y Upper power feed 1 Manually loosen and take out the power supply s cover plates at the rea...

Страница 23: ...f power wires 3 Use a screw driver to loosen the screws of the terminal block and insert R S TN and G into it and lock them R S T N G R S T N G Figure 3 16 Installation of power wires 4 Re install the power supply s cover plates and lock the cable glands tightly Figure 3 17 Re install the power supply s cover plates Feed A Feed B ...

Страница 24: ...ry package remove its nut rotate and tighten the cable gland on the cover plate and pass the power wires through it 㩆 䳢䵘㨈 Figure 3 18 Lower power feed position 2 Feed A is at the left side and Feed B is at the front Use a screwdriver to loosen the screws of the terminal block and insert R S T N and G wires into it and lock them FEED B Figure 3 19 Power input wiring position and wiring approach NOT...

Страница 25: ...H DQ RJ45 cable purchase separately to connect the workstation and the SNMP card For SNMP card operation and setting refer to its user manual 2 RS232 RS485 The RS232 or RS485 port allows you to connect a workstation or power distribution device based on Modbus protocol for remote use 3 CAN Link IN OUT It is reserved for series connection of several cooling units It adopts one Input one Output mode...

Страница 26: ... to the QRUPDOO RSHQ VWDWXV XQWLO WKH FRROLQJ XQLW LV SRZHUHG Rႇ 8 Remote temperature sensor At most three remote temperature sensors two are provided FDQ EHHQ FRQQHFWHG 4XDOL HG VHUYLFH SHUVRQQHO ZLOO FRQQHFW and locate them for you in installation for accurate detection of the temperature of heat loads 9 Remote temperature and humidity Connects the remote temperature humidity sensor purchase sep...

Страница 27: ...of control box No Description No Description 1 Pressure sensor 7 Flow meter 2 Ball valve actuator 8 Outlet and inlet water temperature sensor 3 2XWSXW SRZHU 9 9 Temperature and humidity sensor 2 4 LႇHUHQWLDO SUHVVXUH VZLWFK sensor 10 Temperature and humidity sensor 1 5 Leakage detector 11 QSXW SRZHU RI FRQWURO ER 9 6 Float switch 12 QSXW SRZHU RI FRQWURO ER 9 ...

Страница 28: ...e 7KH XQLW LV VWDEO HG DQG FORVH WR WKH DGMDFHQW FDELQHW All the installation procedures have been performed in accordance with the instructions in Chapter 3 Installation The pipes in and outside the cabinet have been correctly connected and the thermal insulating layer of the pipes are free of damage and leakage The front and back doors have been reinstalled and the cables of the control panel ha...

Страница 29: ...ally rotate After the display of the Delta trademark for three seconds the LCD will enter the following status screen Supply Air Flow 50 RH 24 0 C Figure 4 1 LCD status screen To know each screen s meaning and how to operate the control panel please refer to 5 1 Control Panel Operation 4 3 Air Exhaust RX PXVW FDUU RXW DLU H KDXVW SURFHGXUHV WR JHW WKH DLU LQ WKH SLSH QDWXUDOO H KDXVWHG LQ DFFRUGDQ...

Страница 30: ...et the detector at the site for leakage detection such as a low lying place If the lower piping is adopted it is suggested to set it close to the SLSHOLQH EHORZ WKH UDLVHG ÀRRU Pass one end of the water leakage detector through the small hole at the lower part of the cabinet and set the detector at the above mentioned place 4 5 Water Balance Figure 4 3 Water balance PI 03 PI 01 PI 03 PI 01 PI 03 P...

Страница 31: ...alve of Unit 1 adjust the balance valve of the return water HQG RI WKH PDLQ SLSH FLUFXLW WR HQDEOH 8QLW WR UHDFK LWV UDWHG ÀRZ UDWH 0DNH VXUH once again its branch balance valve is kept fully open 6 GMXVW WKH EUDQFK EDODQFH YDOYH RI 8QLW WR JHW LW WR UHDFK WKH UDWHG ÀRZ UDWH QRWKHU SHUVRQ ZLOO REVHUYH WKH ÀRZ UDWH FKDQJH RI 8QLW G QDPLFDOO DGMXVW WKH EDODQFH YDOYH RI WKH UHWXUQ ZDWHU HQG DQG PDNH ...

Страница 32: ...V QXPEHU IWHU HQWHULQJ D VFUHHQ LI LWV RSWLRQV H FHHG IRXU RX PD SUHVV Ÿź WR WXUQ WKH SDJH 3UHVV D KLJKOLJKWHG RQH DSSHDUV DQG UHSUHVHQWV WKH FXUUHQW VHOHFWHG RSWLRQ DQG SUHVV Ÿź WR move the highlighted zone 7R HQWHU RU FKDQJH YDOXHV VXFK DV SDVVZRUG RU WHPSHUDWXUH SOHDVH XVH Ÿź 3UHVV WR VNLS WR QH W HOG Q WKH ODVW HOG SUHVV to store and submit Press ESC to cancel the current operation I LW LV NHS...

Страница 33: ...LG JULGV WKHUH DUH WKH KLJKHU the fan speed Press RQ WKH VWDWXV SDJH WR MXPS WR WKH PDLQ PHQX Power ON OFF Status Setting Administrator y Power ON OFF Start up the cooling unit automatic mode or enter the standby mode y Status 9LHZ WKH V VWHP VWDWXV VHQVRU UHDGLQJV RSHUDWLRQ WLPH DQG HYHQW UHFRUGV y Setting user password is required Adjust the set point local setting controller setting and alarm s...

Страница 34: ... only enter Power ON OFF or Status screen no password is required The user s default password is 0000 NOTE To avoid unauthorized change of and access to important settings do not disclose the admin password To get the admin password contact service personnel 5 4 Operation mode 7KH FRROLQJ XQLW KDV YH RSHUDWLRQ PRGHV Operation mode Description Automatic mode 3DWK 0DLQ PHQXĺ6WDUWXSĺ6WDUWXS To get th...

Страница 35: ...GPLQLVWUDWRUĺ6 VWHPĺ QVWDOODWLRQ This mode is used to de humidify and adjust the water balance When it is started the two way ball valve will fully open and the fans will rotate at the minimum speed When the system humidity falls within the operation scope the WARNING LQGLFDWRU ZLOO ÀDVK DQG WKH EX HU ZLOO LVVXH VHF VKRUW beeps continuously until you leave the installation mode Force mode 3DWK 0DL...

Страница 36: ...ing 3DWK 0DLQ 0HQXĺ6HWWLQJĺ RFDO 6HWWLQJ 12 04 30 ID Contrast Buzzer 10 10 00 01 2 ON Language User PW Unit Delay On EN C 0Sec Baud Rate Total Alarm 9600 Fault y System time 8VH Ÿź WR VHW XS WKH V VWHP WLPH DQG SUHVV WR VNLS WR WKH QH W HOG DQG QDOO SUHVV WR FRQ UP y ID Number Represent the number of the cooling unit connected in series and also the ID in the Modbus protocol The default number is ...

Страница 37: ...p in the seconds you have designated y Baud Rate Please set the on line speed based on the Modbus protocol The options include 9600 19200 38400 and 57600 The default value is 9600 y Total Alarm Decide what event can trigger the output dry contact 1 Please refer to the following GHVFULSWLRQV OO Q DODUP DQG IDXOW HYHQW FDQ WULJJHU LW DXOW 2QO IDXOW HYHQWV FDQ WULJJHU LW Alarm events 1 Filters are cl...

Страница 38: ...rn temperature and humidity sensor 13 Abnormal heater 7 Abnormal input voltage current branch circuit EQRUPDO KXPLGL HU 5 6 2 Set Point 3DWK 0DLQ 0HQXĺ6HWWLQJĺ6HW 3RLQW Supply Air T Supply Air RH 24 C 50 y Supply Air T In the automatic mode the cooling unit will automatically adjust the fans and ball valve in accordance with this targeted supply air temperature 5 6 3 Controller Setting 3DWK 0DLQ 0...

Страница 39: ...WKDQ WKLV YDOXH WKH IDQV ZLOO UXQ DW WKH PD LPXP speed to save energy and the default is 40 C y Fan Step W LV XVHG WR VHW WKH IDQ VSHHG UDQJH a LQ WKH DXWRPDWLF PRGH 7KH GHIDXOW LV 0 and the cooling unit will adjust the fan speed according to your setup y Auto Recover KHQ WKLV IXQFWLRQ LV HQDEOHG DQG WKH V VWHP LV LQ WKH DXWRPDWLF PRGH EHIRUH SRZHU Rႇ DW a restart the unit will directly return to ...

Страница 40: ...the set supply air temperature and humidity 5 6 5 Alarm Setting 3DWK 0DLQ 0HQXĺ6HWWLQJĺ6HW ODUP Sensor Alarm Actuator Alarm Out of Range Set Sensor Alarm Actuator Alarm and Out of Range If an item display is this item is disabled Press DW WKLV LWHP XVH Ÿź WR VHOHFW 5 press WR FRQ UP DQG WKH LWHP LV enabled NOTE When an alarm event occurs in the manual mode the indicator and buzzer will not act but...

Страница 41: ...w Meter Leak SEN High 6HW WKH DODUP RQ Rႇ IRU Return Sensor Supply Sensor Remote Sensor 1 4 Air Sensor Water In Out Sensor Flow Meter and Leak SEN leakage detector sensitivity y Sensor Alarm 3DWK 0DLQ 0HQXĺ6HWWLQJĺ6HW ODUPĺ6HQVRU ODUP Ball Valve Error Fan 1 Abnormal Fan 2 Abnormal Fan 3 Abnormal Heater 1 Error Heater 2 Error Heater 3 Error Humidifier Error 6HW WKH DODUP RQ Rႇ IRU ball valve fans 1...

Страница 42: ...y Supply Air T Supply Air RH 10 10 00 25 2KW 25 C 50 Return Air T Return Air RH Remote Ch1 T Remote Ch2 RH 35 C 35 C Valve Com Fan Com Heater Com Humidifier 100 100 Inquire about the system related information including cooling capacity supply air temperature and humidity return air temperature and humidity remote 1 temperature and humidity remote 2 temperature remote 3 temperature air volume chil...

Страница 43: ...it in is the event FRGH I WKH UHFRUGV H FHHG ROGHU HYHQWV ZLOO EH RYHU ZULWWHQ To clear any event log the admin password is needed and the route is Main 0HQXĺ GPLQLVWUDWRUĺ6 VWHPĺ OHDU RJ NOTE The event log is important information for evaluating the system status and also a reference for service personnel to perform maintenance Therefore do not clear the event log without authorization 5 6 8 Inqu...

Страница 44: ...setting each component s operation time is 0DLQ 0HQXĺ GPLQLVWUDWRUĺ 6 VWHPĺ5HVHW RPSRQHQW System Filter Fan 1 Fan 2 Sure IWHU D FRPSRQHQW LV FKDQJHG UHVHW WKH RSHUDWLRQ WLPH RI LOWHU DQV HDWHU XPLGL HU RU DOO 9DOYH 5 6 9 Change of system type 3DWK 0DLQ 0HQXĺ GPLQLVWUDWRUĺ6 VWHPĺ7 SH Installation Type Set Admin PW Clear Log OFF OPEN ROORZ RXU GDWD FHQWHU V FROG KRW DLVOH FRQ JXUDWLRQV WR VHW XS V V...

Страница 45: ...l factory defaults including the set options and user and admin passwords WARNING The restoration of factory defaults will reset the settings or parameters that have been FKDQJHG 7KH FRROLQJ XQLW KDV VHOHFWHG FXVWRPL HG VHWWLQJV DFFRUGLQJ WR WKH GLႇHUHQW environments and random restoration may lead to system error The restoration can EH PDGH RQO E TXDOL HG VHUYLFH SHUVRQQHO ...

Страница 46: ...HUVRQQHO 6 1 Firmware Upgrade RU UPZDUH XSJUDGH FRQWDFW VHUYLFH SHUVRQQHO 6 2 Storage If you do not use this unit for long time and place it in storage it is recommended that you wrap the unit using the original packing material and store it in a place with well controlled WHPSHUDWXUH DQG KXPLGLW a a 5 QRQ FRQGHQVLQJ DQG IUHH RI FRUURVLRQ substance accumulated dust and pollutants Do not place the ...

Страница 47: ...rt The input voltage is abnormal RQ UP WKDW LQSXW YROWDJH LV ZLWKLQ WKH tolerable range of rated value and the breaker or switch is put in ON position and properly grounded 2 If the voltage and the other things are normal contact service personnel to see if the unit setting is wrong The EPO is triggered The main switch or breaker s handle is at the middle position Adjust the handle down to the OFF...

Страница 48: ...es not beep The buzzer alarm function is not enabled Use the control panel to enable the EX HU DODUP IXQFWLRQ 3DWK 0DLQ 0HQXĺ6HWWLQJĺ RFDO 6HWWLQJ 7 The set point cannot be reached The fans are old or abnormal Inspect the fans and change abnormal ones if necessary The sensor detection is abnormal Check each sensor The PID parameters are wrong Please refer to 4 7 Setting of PID 7KH KHDW ORDG H FHHG...

Страница 49: ...elines are normal 9 There is water leakage at the cabinet bottom The condensed water RYHUÀRZV Observe if the water level in the condensed water pan is too high inspect the condensed water pump and make sure the condensed water pipe without bending damage or blockage is correctly connected and the draining is normal If upper piping is adopted the vertical lift VKDOO QRW H FHHG YH PHWHUV The pipe sy...

Страница 50: ...mal or the piping H FHHGV WKH YHUWLFDO OLIW Remove the surplus water inspect the condensed water pump and make sure the condensed water pipe without bending damage or blockage is correctly connected and the draining is normal If upper piping is adopted make sure the vertical lift GRHV QRW H FHHG YH PHWHUV 3 EPO Active The EPO button on the control panel is pressed or emergency stop is triggered GX...

Страница 51: ...ensor is abnormal or in bad contact Inspect the function of the air return VXSSO VHQVRU DQG FRQ UP WKH ZLULQJ is stable 9 Remote sensor is abnormal Remote sensor is abnormal or in bad contact Inspect the function of the sensor DQG FRQ UP WKH ZLULQJ LV VWDEOH 10 Abnormal chilled water inlet sensor The chilled water inlet sensor is abnormal or in bad contact Inspect the function of the chilled ZDWHU...

Страница 52: ...ty are abnormal 2 Alarm setting is abnormal 3 Remote sensor is abnormal 4 The load is too large 1 Inspect if the environment temperature and humidity are within the operation scope 2 Check if the setting of out of range alarm is correct 3 Check the function of sensor 4 If the temperature is still too high after eliminating the above SUREOHPV SOHDVH FRQ UP WKH ORDG GRHV QRW H FHHG WKH FRROLQJ capac...

Страница 53: ...ifying cylinder abnormal Inspect the humidifying cylinder 29 Heater Failed 1 The heater connection is incorrect 2 The re heating protector is tripped 1 Make sure the heater connection is correct 2 Make sure the fans run normally 30 Leak Wire Open Leakage detector wire is not properly connected Check if the leakage detector is loosened or disconnected or in poor contact NOTE I WKH DODUP VWLOO H LVW...

Страница 54: ...ntrol Accuracy Temperature r1 C XPLGLW r10 Display HMI SL HOV ZLWK LQGLFDWRUV Max Return Air Temperature 40 6 C 42 7 C Max Inlet Water Temperature 15 C Water Inlet Pressure Range 1 MPa general hard pipe Operating Temperature a a 5 QRW FRQGHQVHG Storage Temperature a a 5 QRW FRQGHQVHG Water Inlet Pipe Diameter 1 1 4 inch PT Male 1 1 4 inch PF Male 2 inch PF Male Water Outlet Pipe Diameter 1 1 4 inc...

Страница 55: ...UDWXUH WHPSHUDWXUH RI LQOHW FKLOOHG ZDWHU WHPSHUDWXUH RI RXWOHW FKLOOHG ZDWHU 5HWXUQ DLU WHPSHUDWXUH C DB 21 6 C WHPSHUDWXUH RI LQOHW FKLOOHG ZDWHU C WHPSHUDWXUH RI RXWOHW FKLOOHG ZDWHU C 6 5HWXUQ DLU WHPSHUDWXUH C DB 21 6 C WHPSHUDWXUH RI LQOHW FKLOOHG ZDWHU C WHPSHUDWXUH RI RXWOHW FKLOOHG ZDWHU C ...

Страница 56: ...ternal inspection Is there any impurity or foreign matter in the condensed water pan or the drain pump water pan Yes No R WKH OWHUV IXQFWLRQ ZHOO Yes Needs to be replaced or cleaned RHV WKH ZDWHU LQ WKH FRQGHQVHG ZDWHU SLSH ÀRZ VPRRWKO Yes No Do the fans act normally and rotate without interference Yes No RHV WKH KXPLGL HU IXQFWLRQ QRUPDOO Yes No Does the heater function normally Yes No Does the d...

Страница 57: ...ted Condensed water pipe Completed Be sure to disconnect the input power before making the following inspections Coil Completed Fans Completed Humidifying cylinder Completed Replaced Heaters Completed General inspections Is the water supplied by the chiller normal Yes No Does the alarm system operate normally Yes No Does the unit operate normally in all modes Yes No NOTE 6LJQDWXUH BBBBBBBBBBBBBBBB...

Страница 58: ...XVDJH PDLQWHQDQFH RU LUUHVLVWLEOH IRUFH L H ZDU UH QDWXUDO GLVDVWHU HWF DQG WKLV ZDUUDQW DOVR H SUHVVO H FOXGHV DOO LQFLGHQWDO DQG FRQVHTXHQWLDO GDPDJHV Maintenance service for a fee is provided for any damage out of the warranty period If any maintenance is required please directly contact the supplier or Seller WARNING The individual user should take care to determine prior to use whether the en...

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