Delta HCH1850 User Manual
Delta HCH1850 User Manual

Delta HCH1850 User Manual

Precision cooling

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The power behind competitiveness
Delta InfraSuite RowCool
Precision Cooling
Chilled Water Type (HCH1850/ HCH1870)
User Manual
www.deltapowersolutions.com

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Summary of Contents for Delta HCH1850

  • Page 1 The power behind competitiveness Delta InfraSuite RowCool Precision Cooling Chilled Water Type (HCH1850/ HCH1870) User Manual www.deltapowersolutions.com...
  • Page 2 (“Manual”), including but not limited to the contents, information, and figures are solely owned and reserved by Delta Electronics Inc. (“Delta”). The Manual can only be applied to the operation or the extraction, or usage of this Manual in whole or in part is prohibited without the prior written permission of Delta.
  • Page 3: Table Of Contents

    Table of Contents Table of Contents Chapter 1 : Guide for Safe Operation ------------------------------------------------ 1 Safety Instructions -------------------------------------------------------------------- 1 Installation Instructions -------------------------------------------------------------- 1 Instructions for Use ------------------------------------------------------------------- 1 Glossary of Symbols ----------------------------------------------------------------- 2 Chapter 2 : Introduction ------------------------------------------------------------------ 3 Product Introduction ------------------------------------------------------------------ 3 Functions and Features ------------------------------------------------------------- 3 Packing List ----------------------------------------------------------------------------- 5 Optional Accessories ----------------------------------------------------------------- 6...
  • Page 4 Water Leakage Detector----------------------------------------------------------- 31 Water Balance ----------------------------------------------------------------------- 31 PID Setting ---------------------------------------------------------------------------- 33 Chapter 5 : Operation ---------------------------------------------------------------------35 LCD Display Hierarchy ------------------------------------------------------------- 35 Control Panel Operation ----------------------------------------------------------- 36 Status Screen and Main Menu --------------------------------------------------- 36 Account Authority and Login ------------------------------------------------------ 37 Operation Modes -------------------------------------------------------------------- 38 Shutdown ------------------------------------------------------------------------------ 39 Setting of Cooling Unit ------------------------------------------------------------- 40...
  • Page 5: Chapter 1 : Guide For Safe Operation

    Chapter 1 Guide for Safe Operation Chapter 1 : Guide for Safe Operation Safety Instructions Please carefully read all chapters of the Manual before any installation, operation, and maintenance. To avoid personal injury and equipment damage, please be sure to operate the product in accordance with the instructions in this Manual and the markings on the cabinet.
  • Page 6: Glossary Of Symbols

    Glossary of Symbols Symbol Meaning Indicates supplementary information. Indicates important information that must be heeded. InfraSuite RowCool Precision Cooling – Chilled Water...
  • Page 7: Chapter 2 : Introduction

    Introduction Chapter 2 : Introduction Product Introduction The Delta InfraSuite RowCool Precision Cooling Unit (Chilled Water Type) adopts a parallel can create an effect of dropping temperature. The modularized design facilitates expansion or of the equipment. When installed in a data center, the untreated air will be sucked in from the rear of the cooling unit and the air, after treatment, will be released from the front of the unit to achieve the aim of cooling.
  • Page 8 Detection of heat load temperature Accurate monitor of the heat load temperature by remote temperature sensors. Leakage detection Optional maximum 50m water leakage detector (4m is provided as default), which will immediately inform the user of any water leakage so as to protect the safety of the equipment.
  • Page 9: Packing List

    Chapter 2 Introduction Packing List Description Quantity Delta InfraSuite RowCool Precision Cooling Unit User manual Key (shared by front & rear doors and side panels) Cable Tie Remote temperature sensor (2.9m) 4-pin terminal block 3-pin terminal block 2.8 mm Hex wrench...
  • Page 10: Optional Accessories

    Optional Accessories For purchase of the following optional accessories, please contact service personnel. SNMP card: Use the Delta SNMP card to achieve the best compatibility. Filters: HCH1850 HCH1870 MERV MERV1 MERV8 Material Aluminum Washable Paper Disposable Appearance 2000 1090 (Figure 2-1 : Appearance and dimensions) InfraSuite RowCool Precision Cooling –...
  • Page 11 Chapter 2 Introduction External Rear/ hot aisle Front/cold aisle (Figure 2-2 : Front view) (Figure 2-3 : Bottom view) Description Description Wiring access Lower inlet hole Upper outlet hole Lower outlet hole Upper inlet hole Casters Input power terminal block Levelers Removable rear door Gradienter...
  • Page 12 Internal (Figure 2-4 : Internal components) Description Description Upper outlet connector Lower outlet connector Upper inlet connector Lower inlet connector Upper inlet shut-off valve Condensed water pan Manual exhaust valve of outlet Coils water pipe Filters Flow meter Three-way ball valve and actuator Fans Power supply unit (each of front side Bypass valve...
  • Page 13: Piping System

    Chapter 2 Introduction Piping System (Figure 2-5 : Pipe circuit diagram) Description Description Upper inlet connector Lower inlet shut-off valve Upper outlet connector Lower outlet connector Three-way ball valve and actuator Lower inlet connector Flow meter Condensed water drain pipe Bypass valve Condensed water pump (Optional) Upper inlet shut-off valve...
  • Page 14: Control Panel

    Control Panel (Figure 2-6 : Control panel) Item Description E.P.O. Emergency power off button. MAIN ON indicates the unit is in installation mode. The yellow light indicates the unit runs in standby mode. The STANDBY WARNING The yellow light indicates alarm information. FAULT The red light indicates fault information.
  • Page 15: Chapter 3 : Installation

    Chapter 3 Installation Chapter 3 : Installation WARNING: 1. Only service personnel can perform the following installation procedures. No installation, piping or handling should be performed without authorization so as to avoid equipment damage and personal injury. 2. The high voltage in the equipment is potentially fatal! The inner components have Installation Site When planning the installation site for the cooling unit, you must take the following into Environmental requirements: The installation site must allow the equipment to move in...
  • Page 16: Space Reservation

    Space Reservation In order to facilitate maintenance, operation, and air circulation, please reserve a net space around the equipment. It is suggested to preserve 1200mm for the front passage, 600mm for the rear passage and at least 300mm above the cabinet for pipe installation.
  • Page 17: Positioning

    Cabinet fasteners If the adjacent cabinets are Delta cabinets (MSR1110 and MSR2110), you may use necting fasteners (two at the front and two at the rear). You must remove the front and back doors before making the fastener connection. Refer to the following procedures: If the front door is locked, use the attached key to open it.
  • Page 18 Use a screw driver to remove the two screws and ground wire from the rear door lean the rear door and lift it up to take it out. (Figure 3-5: Remove the rear door) NOTE: Put the front and rear doors that have been removed in a safe place so as to avoid any equipment damage or personal injury due to collisions.
  • Page 19: Removal Of Side Panels

    Chapter 3 Installation extruding part forward) as shown in Figure 3-7 Figure 3-7 L-type balance support Floor Expansion screws (Figure 3-7 : Installation of L-type balance support) 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 two sides of the side panel.
  • Page 20: Hole Drilling

    (Figure 3-9: Upper and lower piping positions and dimensions) (unit: mm) (unit: mm) Ø65 Ø65 Ø65 Ø65 (Top view) (Bottom view) (Figure 3-10 : Hole diameters and positions for upper and lower piping) HCH1850 HCH1870 InfraSuite RowCool Precision Cooling – Chilled Water...
  • Page 21: External Piping

    Chapter 3 Installation External Piping Inlet Bypass Precision Cooling Unit Outlet (Figure 3-11 : Suggested external piping) Description Description Automatic exhaust valve Thermometer Shut-off valve Ball valve Balance valve Pressure meter at the water inlet end as in the water inlet 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.
  • Page 22: Power Connection

    The recommend power cord: PVC wiring, H05VV-F, core 3G and 12AWG (2.5mm 3. The cooling unit’s maximum power consumption is HCH1850: 1000W or HCH1870: 2400W. Please install an appropriate UL-listed or European equivalent breaker in front of the input side of the unit to protect other equipment connected in the same circuit when an overload or short issue occurs.
  • Page 23 Chapter 3 Installation (Figure 3-12A: HCH1850:Removal of the power supply’s cover plate) (Figure 3-12B : HCH1870:Removal of the power supply’s cover plate) Use nippers to remove the cover plate’s knocking pieces , take out the two cable glands from the accessory package, remove the cable glands’ nuts...
  • Page 24 Use a screwdriver to loosen the screws of the wiring terminal block and use ring- type terminals to secure L1 (line), L2 (line), N1 (neutral), N2 (neutral), and G (ground) wires into the terminal block and lock them. Wiring terminal block (Figure 3-14 : Installation of power wires) Re-install the power supply's cover plate and rotate the cable glands tightly.
  • Page 25 Installation Single input Pull up the knob and remove the power supply's cover plate at the rear of the cabinet top. (Figure 3-16A: HCH1850:Removal of the power supply’s cover plate) (Figure 3-16B : HCH1870:Removal of the power supply’s cover plate)
  • Page 26 Use nippers to remove the cover plate’s knocking piece , take out the one cable gland from the accessory package, remove the cable gland’s nut , use the nut to gland Power wires Cable gland Knocking piece Power supply’s cover plate (Figure 3-17 : Insertion of power wires) 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) wires into the terminal...
  • Page 27: Condensed Water Pipe

    Chapter 3 Installation Re-install the power supply's cover plate and rotate the cable gland tightly. Power wires Press the knob Rotate the cable gland clockwise (Figure 3-19 : Re-install the power supply’s cover plate) 3.8.2 Condensed water pipe The condensed water pipe has been connected 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.
  • Page 28: Control Box

    (purchase separately) to connect the workstation and the SNMP card. 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 service for more information.
  • Page 29 Chapter 3 Installation Item Description Output dry Connect two dry contact output devices and trigger the contacts contacts Port (System alarm event): Normally open. Connect the dry contact device to this port and the device will be triggered when an alarm event occurs (close the circuit). You may set the triggering conditions.
  • Page 30 INLET LD DP WATER TEMP . TEMP. & HUMIDITY AC 24V DISPLAY (Figure 3-22A : HCH1850 Rear of control box) (Figure 3-22B : HCH1870 Rear of control box) Connects to Connects to Power automatic transfer relay Water level detector Three-way ball valve actuator...
  • Page 31: Chapter 4 : Initial Startup

    Chapter 4 Initial Startup Chapter 4 : Initial Startup Pre Start-up Inspection WARNING: chapter. 2. The inner high voltage of this unit is potentially fatal! Make sure the input power has been disconnected before the following actions. 3. A startup without correctly completing 4.1 Pre Start-up Inspection may lead to serious personal injury or equipment damage! Please complete all the following inspections before implementing the initial startup procedures.
  • Page 32: Power Supply

    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 Delta trademark for six seconds, the LCD will enter the following status screen.
  • Page 33 RowCool standard operation environment conditions Non-Operable Operable 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 (Figure 4-2A : HCH1850 Standard Operation Conditions) RowCool standard operation environment conditions 90.0 80.0 Non-Operable 70.0...
  • Page 34: Air Exhaust

    Air Exhaust You must carry out air exhaust procedures to get the air in the pipe naturally exhausted in accordance with the following procedures: Fully open the shut-off valve and the bypass valve. Fully open Fully close (Figure 4-3 : Fully open the shut-off valve and the bypass valve) Rotate the outlet water pipe’s manual exhaust valve counterclockwise.
  • Page 35: Water Leakage Detector

    Chapter 4 Initial Startup Water Leakage Detector This cooling unit is provided with a water leakage detector at the cabinet bottom when delivered, which will be triggered to issue an alarm when in contact with water or liquid, reminding you to take proper measures. You must manually set the detector at the site for leakage detection, such as a low-lying place.
  • Page 36 The program adopts a compensation method and adjusts the flow rate with the first (most remote) cooling unit as a reference point. The process needs at least three people to work at the same time. It is suggested keeping communication by handheld walkie talkie. The number See the following procedures.
  • Page 37: Pid Setting

    Chapter 4 Initial Startup PID Setting In light of different environmental conditions of data centers, the PID parameter values must 5.2 Control Panel Operation to get familiar with basic operation. Path: Force Mode P Gain 09.00 I Gain 0.550 D Gain 0.000 (Figure 4-7 : Setting of PID Values) Proportional constant (P)
  • Page 38 readings of time-dependent outlet air temperature and observe if the inlet and outlet water temperatures are stable. Use the control panel to start the manual mode and increase the opening (above 75%). Due to the internal delay of the system, the outlet air temperature will change with the time.
  • Page 39: Chapter 5 : Operation

    Chapter 5 Operation Chapter 5 : Operation LCD Display Hierarchy Level 1 Level 1 System Status Alarm List Level 2 Main Menu Level 3 Level 3 Level 3 Level 3 *The user’s *The admin password Status Setting Administrator Power ON/OFF password required.
  • Page 40: Control Panel Operation

    Control Panel Operation System Mode Standby Button Description Goes back to previous screen or cancels current operation. Goes back to previous screen, moves up or increases number. Goes to next screen, moves down or decreases number. After entering a screen, if its options exceed four, you may press to turn the page.
  • Page 41: Account Authority And Login

    Chapter 5 Operation The LCD display will go off when the unit is idle. Press to wake up the backlight and the higher the fan speed. In the status screen, press to enter the Main Menu shown below. If an alarm occurs, press and you will see a screen display the description of the alarm.
  • Page 42: Operation Modes

    When you try to enter Setting or Administrator screen, a password prompt will occur. If no operation is performed for a long time after login, the login status will become invalid after the system becomes idle. If you want to re-enter the above menu, you must re-enter the password.
  • Page 43: Shutdown

    Chapter 5 Operation Operation Description mode Path: This mode is used to de-humidify and adjust the water balance. When it is started, the three-way ball valve will fully open and the fans will rotate at Installation the minimum speed. When the system humidity falls within the operation mode scope, the WARNING short beeps continuously until you leave the installation mode.
  • Page 44: Setting Of Cooling Unit

    Setting of Cooling Unit 5.7.1 Local setting Path: 12/04/30 10:10:00 Language User PW ---- Contrast Unit Buzzer Delay On 0Sec Baud Rate 9600 Total Alarm Fault System time to set up the system time and press ID (Number) Represent the number of the cooling unit connected in series and also the ID in the Modbus protocol.
  • Page 45 Chapter 5 Operation User PW To alter the current user’s password , enter four digits. Unit Set the temperature unit and the default is (°C). Delay On The time difference between setting the startup of automatic mode and the actual operation.
  • Page 46: Set Point

    5.7.2 Set point Path: Supply Air T : 25 C Supply Air T (temperature) In the automatic mode, the cooling unit will automatically adjust the fans and three-way ball valve in accordance with this targeted supply air temperature. 5.7.3 Controller setting Path: Force Mode Min Flow T...
  • Page 47: Setting Of Automatic Control Mode

    Chapter 5 Operation Set the proportional constant, integral constant and derivative constant (PID). Refer to 4.7 PID Setting. Min Flow T When the return air temperature is lower than this value, the fans will run at the minimum speed to save energy and the default is 25°C. Max Flow T When the return air temperature is higher than this value, the fans will run at the maximum speed and the default is 40°C.
  • Page 48: Alarm Setting

    1. Intelligent control (default) The system will automatically adjust the fans and the actuator in accordance with the set supply air temperature. 2. PID control The system will make adjustment by PID parameters. When the unit enters the automatic mode, the default setting is intelligent control. If the intelligent control mode is off, the system will automatically adopt the PID control.
  • Page 49 Chapter 5 Operation Water In Sensor Water Out Sensor Flow Meter Leak SEN. High Set the alarm on/ off for Return Sensor, Supply Sensor, Remote Sensor 1-4, Water In/ Out Sensor, Flow Mater and Leak SEN (leakage detector sensitivi-ty). Actuator alarm Path: Ball Valve Error Fan 4 Abnormal...
  • Page 50: Inquiry Of System Status

    5.7.6 Inquiry of system status Path: 12/04/30 Return Air T :35 C 10:10:00 Capacity :25.2KW Return Air RH :35% Supply Air T :25 C Remote Ch1 T :---- C Supply Air RH :50% Remote Ch1 RH :----% Remote Ch2 T :---- C Remote Ch3 T :---- C...
  • Page 51: Inquiry / Reset Of Running Hours

    Chapter 5 Operation In this screen, the number of current events/ total events is displayed and at most 3000 events can be recorded. Press to switch events. The events are numbered according to the occurrence time and the older the event, the smaller its number is. The digit in <> is the event code.
  • Page 52: Change Of System Type

    System Filter Sure? Fan 1 Fan 2 After a component is changed, reset the operation time of Filter, Fan 1-8 and Ball valve. 5.7.9 Change of system type Path: Installation Type OPEN Set Admin PW ---- Clear Log Type as OPEN or CLOSE.
  • Page 53: Chapter 6 : Maintenance And Cleaning

    Chapter 6 Maintenance and Cleaning Chapter 6 : Maintenance and Cleaning Periodic inspection and cleaning of the cooling unit can guarantee the equipment to operate at the best status. The internal components such as fans and condensed water pan need periodic cleaning and inspection.
  • Page 54: Chapter 7 : Troubleshooting

    Chapter 7 : Troubleshooting WARNING: Unauthorized action may lead to major danger or equipment damage. System Troubleshooting: Abnormal Possible cause Elimination method phenomenon The fans The power supply Make sure the input voltage is within the cannot start. is abnormal. permissible range, the circuit breaker or switch is set at ON, and the cooling unit is correctly grounded.
  • Page 55 Chapter 7 Troubleshooting Abnormal Possible cause Elimination method phenomenon The set point The fans are old or Inspect the fans and change abnormal cannot be reached. abnormal. ones if necessary. The sensor detection is Inspect the sensors. abnormal. The PID parameters are Refer to 4.7 PID Setting.
  • Page 56 Abnormal Possible cause Elimination method phenomenon The pipe system leaks. Inspect and repair the leaking site. There is water leakage at the The cabinet is not on a Use the levelers to level the cabinet. cabinet bottom. leveled base. The thermal insulating Inspect and repair the damage site.
  • Page 57 Chapter 7 Troubleshooting Alarm Possible cause Elimination method Information Eliminate the abnormality, manually reset the EPO Active The EPO button on the control panel is pressed or unit by pressing the keys simultaneously emergency stop is triggered for above 3 seconds and re-start the unit to recover the normal operation.
  • Page 58 Alarm Possible cause Elimination method Information Flow Meter Inspect the function of the flow meter and or in bad contact. Fan 1-8 Failed The # fan is abnormal or in Inspect if the # fan is blocked or abnormal bad contact. connected.
  • Page 59 NOTE: 1. Refer to the rating label for the safety rating. HCH1850 return air temperature: 35°C DB/ 19.8°C WB/ chilled water inlet temperature degree: 7.2°C/ chilled water outlet temperature degree: 12.7°C. HCH1870 return air temperature: 40.6°C DB/ 21.6°C WB/ chilled water inlet temperature degree: 7°C/ chilled water outlet temperature degree: 15.8°C.
  • Page 60: Appendix 2 : Periodic Inspection/ Maintenance List

    Appendix 2 : Periodic Inspection/ Maintenance List Monthly Inspection/ Maintenance List Date: Model: Environment inspection The cooling unit is installed in? _____________________ Is it free of dust and surplus moisture? Yes / Is the cabinet appearance perfect without damage? Yes / Record the supply air temperature ________degree (s) Record the chilled water outlet temperature...
  • Page 61 Appendix 2 Periodic Inspection/ Maintenance List Quarterly Inspection/ Maintenance List Date: Model: Cleaning: Clean the following components and use an air gun if necessary. Filters (replace them if necessary) Completed / Replaced Front and rear doors and side panels Completed Be sure to disconnect the input power before cleaning the following components.
  • Page 62: Appendix 3 : Glycol Correction Table

    Appendix 3 : Glycol Correction Table Adding proportion** Item Glycol type 1.00 0.96 0.89 0.81 0.73 0.65 Ethylene 1.00 1.04 1.11 1.17 1.25 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: 4930m³/h; temperature difference capacity and water-side pressure drop.
  • Page 63: Appendix 4 : Warranty

    Appendix 2 Warranty Appendix 4 : Warranty Seller warrants this product, if used in accordance with all applicable instructions, to be free from original defects in material and workmanship within the warranty period. If the product has any failure problem within the warranty period, Seller will repair or replace the product at its sole discretion according to the failure situation.
  • Page 64 5013217901...

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