Delta HCH1850 User Manual Download Page 1

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Precision Cooling
Chilled Water Type (HCH1850/ HCH1870)

User Manual

Delta InfraSuite RowCool

Summary of Contents for HCH1850

Page 1: ...The power behind competitiveness www deltapowersolutions com Precision Cooling Chilled Water Type HCH1850 HCH1870 User Manual Delta InfraSuite RowCool...

Page 2: ...n or the XVH RI WKLV SURGXFW Q GLVSRVLWLRQ GXSOLFDWLRQ GLVVHPLQDWLRQ UHSURGXFWLRQ PRGL FDWLRQ WUDQVODWLRQ extraction or usage of this Manual in whole or in part is prohibited without the prior written...

Page 3: ...ories 6 2 5 Appearance 6 RPSRQHQWV GHQWL FDWLRQ 7 2 7 Piping System 9 2 8 Control Panel 10 Chapter 3 Installation 11 3 1 Installation Site 11 3 2 Space Reservation 12 3 3 Handling 12 3 4 Positioning 1...

Page 4: ...setting 40 5 7 2 Set point 42 5 7 3 Controller setting 42 5 7 4 Setting of automatic control mode 43 5 7 5 Alarm setting 44 5 7 6 Inquiry of system status 46 5 7 7 Inquiry elimination of event log 46...

Page 5: ...GLVFRQQHFWHG EHIRUH PDNLQJ D FRQQHFWLRQ I QHFHVVDU XVH D PXOWL PHWHU WR FRQ UP this y R QRW LQVWDOO WKH HTXLSPHQW RQ D DPPDEOH RU XQVWDEOH RRU y This unit is only intended for indoor use The indoor e...

Page 6: ...2 InfraSuite RowCool Precision Cooling Chilled Water 1 4 Glossary of Symbols No Symbol Meaning 1 Indicates supplementary information 2 Indicates important information that must be heeded...

Page 7: ...HI FLHQF 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 temp...

Page 8: ...panels Isolate the interference of outside temperature y Hot swappable multi speed fans 7KH XQLW HTXLSV ZLWK KLJK HI FLHQF HQHUJ VDYLQJ IDQV ZKRVH URWDWLRQ VSHHG FRXOG EH adjustable between 30 100 and...

Page 9: ...nual 1 3 Key shared by front rear doors and side panels 2 4 Cable Tie 3 5 Remote temperature sensor 2 9m 2 6 4 pin terminal block 2 7 3 pin terminal block 1 8 2 8 mm Hex wrench 1 9 Cable gland 2 10 Co...

Page 10: ...following optional accessories please contact service personnel y SNMP card Use the Delta SNMP card to achieve the best compatibility y Filters HCH1850 HCH1870 MERV MERV1 MERV8 Material Aluminum Wash...

Page 11: ...Front cold aisle No Description No Description 1 Wiring access 9 Lower inlet hole 2 Upper outlet hole 10 Lower outlet hole 3 Upper inlet hole 11 Casters 4 Input power terminal block 12 Levelers 5 Remo...

Page 12: ...inlet connector 3 Upper inlet shut off valve 11 Condensed water pan 4 Manual exhaust valve of outlet water pipe 12 Coils 5 Filters 13 Flow meter 6 Three way ball valve and actuator 14 Fans 7 Bypass va...

Page 13: ...or 9 Lower inlet shut off valve 2 Upper outlet connector 10 Lower outlet connector 3 Three way ball valve and actuator 11 Lower inlet connector 4 Flow meter 12 Condensed water drain pipe 5 Bypass valv...

Page 14: ...in standby mode The DVKLQJ 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 Goes back to previ...

Page 15: ...ence 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 loss of cooling capacity y Humidity and hea...

Page 16: ...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 3 2 Space Reservation In ord...

Page 17: ...position it so as to ensure its stability The following two methods can be used depending on the installation environment y Cabinet fasteners If the adjacent cabinets are Delta cabinets MSR1110 and MS...

Page 18: ...due to collisions 4 Use a screwdriver to loosen the screw below the fastener and lock it on the adja cent cabinet Figure 3 6 Join the cooling unit and the adjacent cabinet together Cooling unit Adjac...

Page 19: ...alance support 1 1 2 2 Expansion screws Floor L type balance support 3 5 Removal of Side Panels If each side panel is locked use the attached key to open it There are two door holders on each of the t...

Page 20: ...ith an external heat insulation layer to reduce the interference of outside temperature and avoid condensed water The hole diameter should be about 13mm Figure 3 9 Upper and lower piping positions and...

Page 21: ...QHHGV FOHDQLQJ RU maintenance close the ball valve to let the chilled water go to the cooling unit via the branch so as to avoid shut off loss Install a pressure meter 4 LQ IURQW RI DQG DIWHU WKH W S...

Page 22: ...of the input side of the unit to protect other equipment connected in the same circuit when an overload or short issue occurs The suggestion of the breaker is as follows HCH1850 Above 300Vac 8A 2 Pol...

Page 23: ...remove the cover plate s knocking pieces 1 take out the two cable glands from the accessory package remove the cable glands nuts 2 use the nuts to fix the cable glands on the cover plate and pass the...

Page 24: ...and G ground wires into the terminal block and lock them Figure 3 14 Installation of power wires L1 N1 G L2 N2 Wiring terminal block L1 line N1 neutral L2 line N2 neutral G ground G ground 4 Re insta...

Page 25: ...e input 1 Pull up the knob 1 and remove the power supply s cover plate 2 at the rear of the cabinet top Figure 3 16A HCH1850 Removal of the power supply s cover plate 1 2 Figure 3 16B HCH1870 Removal...

Page 26: ...s cover plate Knocking piece Cable gland Power wires Nut 3 Use a screwdriver to loosen the screws of the wiring terminal block and use ring type terminals to secure L1 line N1 neutral and G ground wir...

Page 27: ...cted in the lower part of the cabinet at one end and you must pass the other end through the reserved hole at the bottom to drain the condensed water Meanwhile the unit is provided with an optional co...

Page 28: ...For SNMP card operation and setting refer to its user manual NOTE Please use the Delta SNMP card optional to achieve the best efficiency and compatibility Please contact your local dealer or customer...

Page 29: ...unit to remind the chiller to output chilled water and turn to the normally open status until the cooling unit is powered off 8 Remote temperature sensor ports At most three remote temperature sensors...

Page 30: ...1 2 DISPLAY DC54V DPS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Figure 3 22B HCH1870 Rear of control box w s t u v q n o p r No Connects to No Connects to 1 Power automatic transfer relay 8 Water level detect...

Page 31: ...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 bee...

Page 32: ...omatically rotate Only when it goes through manual mode automatic mode force mode or installation mode and returns to the standby mode will the fans run at the minimum speed After the display of the D...

Page 33: ...HKXPLGL HU RU DLU FRQGLWLRQHU LQGRRUV RX PD VWDUW WKH LQVWDOODWLRQ mode to reduce the humidity in the cabinet See the following procedures 1 In the status screen press to enter into Main Menu utilize...

Page 34: ...ar Outlet water pipe s manual exhaust valve Open Figure 4 4 Open the outlet water pipe s manual exhaust valve 3 2SHQ WKH ZDWHU LQOHW HQG V XVHU VXSSOLHG YDOYH WR OHW WKH ZDWHU VORZO RZ LQWR WKH SLSH I...

Page 35: ...ing place If the lower piping is adopted it is suggested to VHW LW FORVH WR WKH SLSHOLQH EHORZ WKH UDLVHG RRU Pass one end of the water leakage detector through the small hole at the lower part of the...

Page 36: ...FK SURSRUWLRQDOO 5 Fully open the branch balance valve of Unit 1 adjust the balance valve of the return ZDWHU HQG RI WKH PDLQ SLSH FLUFXLW WR HQDEOH 8QLW WR UHDFK LWV UDWHG RZ UDWH Make sure once agai...

Page 37: ...Q FRHI FLHQW E VPDOO LQFUHPHQWDO output y Differential constant D Adjust the output according to the error change so as to correct the time dependent correction rate The PID default values of the thre...

Page 38: ...WKH PHGLXP RSHQLQJ RU WKH RSHQLQJ DW D PHGLXP RZ UDWH LV VHOHFWHG DV WKH UHIHUHQFH SRLQW 5HVHW DQG HULYDWLYH DUH GH QHG 5HVHW 3 HULYDWLYH 3 7 The I and D values can be found from the Reset and Deriva...

Page 39: ...Water In T High Water In T Low Water Out T High Water Out T Low Water Flow High Water Flow Low Level 5 Level 5 Level 5 Level 5 Level 5 Fan Speed Ball Valve Humidifier Shutdown Humi Humidifying stop B...

Page 40: ...s to turn the page Press a highlighted zone appears and represents the current selected option and press to move the highlighted zone To enter or change values such as password or temperature please u...

Page 41: ...of the alarm Power ON OFF Status Setting Administrator y Power ON OFF Start up the cooling unit automatic mode or enter the standby mode y Status View the system status sensor readings operation time...

Page 42: ...ically control its cooling capacity please select the automatic mode and the system will automatically micro adjust the fan speed and the opening of the three way ball valve in accordance with the set...

Page 43: ...HQX 6HWWLQJ RQWUROOHU The three way ball valve is fully open and the fans run at the highest speed This mode is generally used for unit testing or emergency cooling request 5 6 Shutdown Path 0DLQ 0HQX...

Page 44: ...VV 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 1 If several cooling units are connected in se ries y...

Page 45: ...descriptions 1 All Any alarm and fault event can trigger it 2 Fault Only fault events can trigger it Alarm events 1 Filters are clogged LJK DQG ORZ RI FKLOOHG ZDWHU RZ 2 Abnormal internal communicati...

Page 46: ...ture 5 7 3 Controller setting Path 0DLQ 0HQX 6HWWLQJ RQWUROOHU Force Mode P Gain I Gain D Gain OFF 09 00 0 550 0 000 Min Flow T Max Flow T Fan Step Group Work 25 C 40 C 10 OFF Auto Recover Intelligent...

Page 47: ...it will adjust the fan speed according to your setup y Auto Recover When this function is enabled and the system is in the automatic mode before power off at a restart the unit will directly return to...

Page 48: ...To turn on or off the intelligent control you need to key in the admin password 5 7 5 Alarm setting Path 0DLQ 0HQX 6HWWLQJ 6HW ODUP Sensor Alarm Actuator Alarm Out of Range Set Sensor Alarm Actuator...

Page 49: ...WWLQJ 6HW ODUP FWXDWRU Ball Valve Error Fan 1 Abnormal Fan 2 Abnormal Fan 3 Abnormal Fan 4 Abnormal Fan 5 Abnormal Fan 6 Abnormal Fan 7 Abnormal Fan 8 Abnormal Set the alarm on off for ball valve and...

Page 50: ...perature and humidity remote 2 temperature remote 3 temperature remote 4 temperature chilled water inlet outlet temperature FKLOOHG ZDWHU RZ UDWH ball valve opening ball valve command set the ball val...

Page 51: ...TE 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...

Page 52: ...V VWHP Type as OPEN or CLOSE 5 7 10 Restoration of defaults Path 0DLQ 0HQX GPLQLVWUDWRU 6 VWHP DFWRU 6HWWLQJ Factory Setting Reset Component Set Run Hours Time 1100h Restore all factory defaults incl...

Page 53: ...RQQHO 6 1 Firmware Upgrade RU UPZDUH XSJUDGH FRQWDFW VHUYLFH SHUVRQQHO 6 2 Storage If you do not use this unit for long time it is recommended that you wrap the unit using the original packing materia...

Page 54: ...issible range the circuit breaker or switch is set at ON and the cooling unit is correctly grounded 3 Forgot the password Forgot the user password or admin password Contact service personnel 4 The ope...

Page 55: ...the actuator 8 There is a water stain in the cabinet The humidity is too high Use an external de humidifier to control the data center s humidity or enable the force mode to reduce the internal humidi...

Page 56: ...he three way ball valve has no response The actuator is not correctly connected Re set the actuator 13 It is unable to get on line via the Modbus protocol The RS232 or RS485 connector is not correctly...

Page 57: ...upper piping with condensed water pump is adopted the vertical life shall not exceed YH PHWHUV 5 Fire Active Fire detection is triggered Inspect the environment and eliminate the abnormality 6 Smoke A...

Page 58: ...too high after elimi nating the above problems please FRQ UP WKH ORDG GRHV QRW H FHHG WKH cooling capacity of the cooling unit 16 Return Supply Remote T Low 17 Return Supply Remote RH High 18 Return...

Page 59: ...dth x Depth x Height 300 x 1090 x 2000 mm 300 x 1090 x 2000 mm Net Weight 185 kg 187 kg NOTE 1 Refer to the rating label for the safety rating OO VSHFL FDWLRQV DUH VXEMHFW WR FKDQJH ZLWKRXW SULRU QRWL...

Page 60: ...oling unit reach the set point Yes No Internal inspection Is there any impurity or foreign matter in the condensed water pan Yes No R WKH OWHUV IXQFWLRQ ZHOO Yes Replacement or cleaning is needed RHV...

Page 61: ...s Completed Be sure to disconnect the input power before cleaning the following components Condensed water pan Completed Condensed water pipe Completed Fans Completed General inspections Is the water...

Page 62: ...25 1 34 NOTE The correction parameters are based on the correction values under the following working conditions Return air temperature 29 4 C DB 18 1 C WB air volume 4930m h temperature difference RI...

Page 63: ...sistible force i e war fire natural disaster etc and this warranty also expressly excludes all incidental and consequential damages Maintenance service for a fee is provided for any damage out of the...

Page 64: ...5013217901...

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