Daikin MAGNITUDE WME-D Installation Operation & Maintenance
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Daikin MAGNITUDE WME-D Installation Operation & Maintenance

Magnetic bearing centrifugal chillers
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MAGNITUDE
MAGNETIC BEARING CENTRIFUGAL CHILLERS
• MODEL WME-D
• 250 - 450 TONS (900 - 1600 kW) COOLING
• 3600 - 5300 MBH (1000 - 1550 kW) HEATING
• R-515B REFRIGERANT
• 60 HZ
©2024 DAIKIN APPLIED | (800) 432.1342
INSTALLATION, OPERATION & MAINTENANCE
WME-D
®
LEARN MORE AT DAIKINAPPLIED.COM
IOM 1372
JULY 2024

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Summary of Contents for Daikin MAGNITUDE WME-D

  • Page 1 MAGNETIC BEARING CENTRIFUGAL CHILLERS • MODEL WME-D • 250 - 450 TONS (900 - 1600 kW) COOLING • 3600 - 5300 MBH (1000 - 1550 kW) HEATING • R-515B REFRIGERANT • 60 HZ LEARN MORE AT DAIKINAPPLIED.COM ©2024 DAIKIN APPLIED | (800) 432.1342...

  • Page 2: Table Of Contents

    ©2024 Daikin Applied, Minneapolis, MN. All rights reserved throughout the world.This document contains the most current product information as of this printing. Daikin Applied Americas Inc. has the right to change the information, design, and construction of the product represented within the document without prior notice.

  • Page 3: Introduction

    Polyolester Oil, commonly known as POE oil is a synthetic oil used in many refrigeration systems, and may be present in this Daikin Applied product. POE oil, if ever in contact with PVC/CPVC, will coat the inside wall of PVC/CPVC pipe causing environmental stress fractures.

  • Page 4: General Description

    NOTICE Magnitude WME-D centrifugal chillers are not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of No .

  • Page 5: Installation

    Equipment Room 34 (1.1) 104 (40) NOTES: Contact a Daikin Applied representative for performance at specific operating conditions, as some limits depend on unit configuration Antifreeze temperature limits must have appropriate glycol concentration Allowable leaving fluid temperatures depend on Saturation Temperature 5%-95% relative humidity, non-condensing For non-conditioned equipment rooms please contact factory for maximum dew point, limits may depend on specific selection.

  • Page 6: Nameplates

    If the drawings are components and must be checked for compliance. not available, consult the local Daikin Applied sales office for assistance. Mounting Location The unit must be mounted on a concrete or steel base.

  • Page 7: Lifting Guidance

    CAUTION Forklifts may not be used to lift or move Magnitude WME-D units as the method may result in unit damage. CAUTION When around sharp edges, wear appropriate Personal Protective Equipment (PPE), such as gloves, protective clothing, foot wear, eye protection, etc.

  • Page 8: Transit And Temporary Storage

    The chiller must be stored in a dry location indoors and protected from any damage or sources of corrosion. A Daikin Applied service representative must perform an inspection and leak test of the unit on a minimum quarterly schedule, to be paid by the owner or contractor.

  • Page 9: Retrofit Knockdown

    Standard torque specs must be followed when re-installing before attempting any disassembly, assume the condenser bolts. Contact Daikin Applied service for this information. isolation valves may have leaked and that any component of the chiller may be pressurized with refrigerant.
  • Page 10 • Site reassembly must be supervised or completed by stick-on wire ties, and touch-up paint. Daikin Applied service personnel. Cost for unit reassembly and supervision by Daikin Applied service is not included in CAUTION the purchase price of the equipment. Contact Daikin Applied Standard torque specs must be followed when re-installing service for pricing.
  • Page 11 INSTALLATION Unit Knockdown Dimensions Figure 7: Unit Dimensional Diagram for Typical WME Knockdown - Single Compressor Models Figure 8: WME Knockdown Dimensions Dimensions - inches (mm) WME096CS Label Description E3012/C2612 Width (Condenser Tubesheet with Mounting Brackets) 35.50 (902) Width (Evaporator Tubesheet with Mounting Brackets) Width (Mounting Foot with Mounting Brackets) 44.0 (1118) Width (Center of Outside Foot Mounting Hole to Center of Suction #1)
  • Page 12 5 . Loosen and removed bolts at flange on condenser and remove discharge piping (Figure 11, flag #6). NOTICE The spreader bar in Figure 10 is a representation only and may not reflect the appearance of the actual spreader bar needed. DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...
  • Page 13 INSTALLATION Compressor Removal Compressor Re-Attachment 1 . Loosen and remove screws on either side of the cast 1 . Set the suction elbow back on top of the evaporator and suction elbow. install the screws loosely at the evaporator flange (be sure to install the new o-ring that was shipped with the unit).

  • Page 14: Water Piping

    Daikin Applied product. POE oil, if ever in contact with PVC/ construction is in question, a professional corrosion consultant CPVC, will coat the inside wall of PVC/CPVC pipe causing should administer the proper testing and evaluate compatibility.

  • Page 15: Relief Valves

    Strainers must be used to protect the chiller the valve is in “Front Seated Position” and all refrigerant will flow systems from water-borne debris. Daikin Applied will not be through the back outlet port, as shown in Figure 15.

  • Page 16: Field Insulation

    “Mid Position,” as shown in Figure 17. E3012 115 (10.6) CAUTION Do not operate the system with the three-way valve stem in the Mid Position. Figure 17: Three-Way Valve, Mid Position DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...

  • Page 17: Electrical Data

    Copper wiring must be used for power wiring. RapidRestore – Quickly restores cooling capacity when power is Refer to the unit nameplate and the Daikin Tools selection report restored after a power failure. for the correct electrical ratings.

  • Page 18: Use With On-Site Generators

    An interface card or – obtained from the Daikin Applied sales office – for generator module, depending on the protocol being used, will have been sizing purposes.
  • Page 19 ELECTRICAL DATA Main Breakers Figure 19: Main Breakers VFD Size SCCR Breaker Frame Size Trip Unit FRN5200 35 kAIC EATON 600 AMP, 600 TRIP SETTING LD3600F LES3600LSI (2) 3TA603LDK FRN5200 65 kAIC EATON 600 AMP, 600 TRIP SETTING HLD3600F LES3600LSI (2) 3TA603LDK FRN5200 100 kAIC...

  • Page 20: Wiring Schematics

    TOWER STAGE #3 120-11 24-23 24-18 01-7-D 24-9 UC1:ID6 01-2-A UC1:ID7 01-1-A SW-1 IDC1 +24VAC/DC 24N-9 01-2-B 24-11 01-8-C OPEN 24N-7 01-8-C BLK(2) WHT(2) +24VAC/DC GRN(2) RED(2) UC1:ID7 01-2-B 24-19 24V+ 24N-10 24V- DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...
  • Page 21 STANDARD 24V POWER ELECTRICAL DATA Figure 21: Power Cable Configuration (Standard 24V Power) WME DUAL PWR CMPR1 CMPR2 PE.4 PE.4 WME SINGLE PWR 20 32 PE.4 CMPR1 SCHEM, COMPRESSOR CONTROLLER SEE DWG 336078103 DATE 04/24/2024 REVISION CHANGE D For revision authorization and change des WME-D UNIT BOX SCH WWW.DAIKINAPPLIED.COM IOM 1372...
  • Page 22 SCHEM, COMPRESSOR CONTROLLER WME SINGLE RR SEE DWG 336078103 THE CONTENTS OF THIS MATERIAL ARE CONFIDENTIAL AND PROPRIETARY TO DAIKIN APPLIED. ECO NUMBER ANY UNAUTHORIZED USE, REPRODUCTION, DISCLOSURE OR TRANSFER IS STRICTLY PROHIBITED. IF FURNISHED WITH A PROPOSAL, RECIPIENT MAY USE THIS MATERIAL SOLELY...
  • Page 23 ELECTRICAL DATA Figure 23: WME-D Compressor Schematic IPSDC- IPSDC+ VFD-#5 24-28 24-40 24N-14 VFD-#6 C1/2 Vbat 01-8-B 24-43 C3/4/5 *BRN (RED) *RED (WHT) C3/4/5 MWT-4 MWT-5 HFCM MWT-6 WHT(3) 24N-13 RED(3) SNSR-5V +5Vref 01-8-B BLK(3) SNSR-GND 01-8-B 24N-6 +Vdc 01-3-D OPEN BLK(3) 01-2-D...
  • Page 24 RMB J, COIL A (-) +175V -175V RMB J, COIL D (+) 15V / GND RMB J, COIL D (-) 15V / V- 15V / V+ RMB J, COIL B (+) RMB J, COIL B (-) CN9A DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...
  • Page 25 ELECTRICAL DATA Figure 25: Power Train Schematic MAIN POWER TERMINAL BLOCK OPTION: SINGLE POINT POWER SEE DWG 330890406 575V OPTION TB01 TERMINAL BLOCK JUMPERS IDENTIFIED TSW1 R101 TO POWER TRAIN TB01 FAN07 FAN08 FAN09 S101 575:480 VAC TRANSFORMER HARMONIC FILTER OPTION TERMINAL BLOCK HFEN HFCM...
  • Page 26 OR MODBUS 24-15 24-16 24-17 J4 FBus J3 DISP BUE1 Address = 1 MODBUS J5 CAN (OPTION) 1234 1234 EHUB FIELD WIRING BACNET-IP EVPP CNDP WME-C UNIT BOX SCH PART NUMBER REVISION 336078102 DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...

  • Page 27: Operation

    During selected external control source, it will start the evaporator the initial startup of the chiller, the Daikin Applied technician will pump and check for flow and chiller load. be available to answer any questions and instruct the proper 2 .

  • Page 28: Unit Enabling/Disabling And Overrides

    The three-way valve should not exceed 10% of the current value per minute. should be located close to the chiller within the equipment room to minimize the volume of water. DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...

  • Page 29: Human Machine Interface (Hmi)

    The valve will be nearly closed at startup Contact your local Daikin Applied representative for more to restrict water flow, which keeps generated heat in information on this application.
  • Page 30 (III) Additional Home View Trend Data Graphs • Compressor Status. The possible states are shown in Table • Entering and leaving evaporator water temperatures • Entering and leaving condenser water temperatures • Percent compressor speed • Compressor kW DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...
  • Page 31 OPERATION (IV) Alarm Figure 34: Evaporator Information • The ALARM icon will turn red and begin flashing should an alarm occur. This red ALARM button will appear on all screens in the case of an alarm. For more information on alarms, see page 41 through...
  • Page 32 Figure 37: Expansion Valve Information Figure 38: Cooling Tower Information NOTE: Selection and setup of cooling tower control methods is in the Settings icon, Tower tab, see Figure 44 on page 36 . DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...

  • Page 33: Set Screens

    3 . MOTOR - selects power related setpoints such as amp • T = Technician Level (The password number for limits. technician level is only provided to Daikin Applied 4 . TOWER - selects the method of controlling the cooling technicians.) tower and sets the parameters for fan staging/VFD.
  • Page 34 Setpoints that have a technician level password (T) should 3.0°F Delta T 6.0°F below setpoint for last only be changed by a Daikin Applied technician. Contact a compressor to stop. Daikin Applied service representative for more information. Sets control target for evaporator leaving Leaving 38.0 to...
  • Page 35 OPERATION Leaving Water Temperature (LWT) Reset Figure 42: Settings View - Modes The Active Leaving Water variable shall be set to the current Leaving Water Temperature (LWT) setpoint unless modified by one of the reset methods below. (The current LWT setpoint is Cool LWT as determined by the chiller mode.) The type of reset in effect is determined by the LWT Reset Type setpoint.
  • Page 36 Demand Limit Setpoint OFF: The Demand Limit input is ignored. Harmonic Model Factory Based on model of Filter Amp depen- harmonic filter Rating dent CAUTION Chiller Nameplate RLA MUST match chiller dataplate per compressor. DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...
  • Page 37 OPERATION Table 13: Tower Setpoint Settings Description Default Range Comments Set the number of Description Default Range Comments Manu- running fan stages al Fan 0 – 3 Target value for enter- when Manual Control Valve Tar- 40 – Stages ing condenser water is enabled get -Temp temperature...
  • Page 38 — • 1 on E*1 TCLO and tower valve > 90%, 2 on E*2 TCLO and tower valve = 100%, 3 on E*3 TCLO and tower valve = 100% — • 3 off D*2 TCLO, 2 off D*1 TCLO, 1 off D*.5 TCLO DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...
  • Page 39 OPERATION Table 14: Valve Setpoint Settings Figure 49: Settings View - Alarms Description Default Range Comments Gain selection based EXV Gain 20-400 on chiller size and valve type. Figure 48: Settings View - Offsets Table 16: ALARMS Setpoint Settings Description Default Range Comments...
  • Page 40 The version numbers shown towards the bottom left of the screen are the controllers’ software identification. These numbers may be required by Daikin Applied to answer questions about unit operation or to assist in possible future upgrades of software. Compressor Capacity Control...

  • Page 41: Alarms

    OPERATION Alarms Figure 52: Settings View - Updater The Alarm information (Figure 54 and Figure 55) is accessed by touching the ALARM icon at the bottom of the HMI and then the Active or History tabs at the top of the screen. An active alarm will turn the icon flashing red.
  • Page 42 If tech support is requested, ALL of the original, unmanipulated directly into embedded HMI PC. files (Trend.csv and AlarmHistory.csv, ) must be sent together to Daikin Applied. Any other file formats are NOT accepted. DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...
  • Page 43 OPERATION Table 19: Critical Alarms Screen Text Trigger Condition High Motor Gap Screen Text Trigger Condition Motor Gap Temperature is greater than 130F Temperature Evaporator Pressure (or lowest Suction Pressure Max RLA Ex- VFD Output exceeds 115% of Nameplate RLA if Evaporator Pressure Transducer is detected as ceeded Setpoint...

  • Page 44: Controller Inputs And Outputs

    Cooling Tower Fan Fan Contactor 240 VAC NOTICE “Sensor Range” in Table 21 indicates the range of the input, NOT Cooling Tower Fan Fan Contactor 240 VAC the operating range of the chiller. DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...
  • Page 45 OPERATION Compressor Controller Inputs and Table 26: Compressor Controller, Digital Outputs Outputs Description Load Output OFF Output ON The following tables list, for each compressor controller, analog Compressor Compressor VFD Enable inputs and digital outputs as well as the stepper motor outputs. Solenoid (24 Liquid Injec- VDC, 20 VA...

  • Page 46: Startup And Maintenance

    Complete the pre-start checklist located in the Figure 57 highlights the position of the electrical connector and appendix of this manual and return to Daikin Applied prior to indentation ‘mark’ on flow switch. startup date. Figure 57: Flow Switch Details...
  • Page 47 STARTUP AND MAINTENANCE Wiring Figure 58: Mount in Direction of Flow Refer to wiring diagram in the unit control panel. Either AC or DC is used to power the flow switch. The unit controller’s digital input is a DC signal which is supplied through the switch output of the flow switch for flow indication.
  • Page 48 The chiller will not operate at this flow because the flow switch is OPEN after performing the ‘Teach’ function. The benefit of the ‘Teach’ DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...
  • Page 49 STARTUP AND MAINTENANCE Step 5: Once the SP is set, it is recommended that the sensor be Flow above display range: The SP LED will be lit amber, all LEDs locked to avoid inadvertent readjustment. This can be performed to the left and right of the SP LED will be green with the rightmost by pressing both the ‘+’...

  • Page 50: Chiller Maintenance

    The DC link used. Special tube and water head material may be required to capacitors store enough energy to cause electrocution. reduce damage from corrosion. Daikin Applied is not responsible for damage or faulty operation from untreated or improperly Electrical System treated water.

  • Page 51: Refrigerant Charging

    STARTUP AND MAINTENANCE Refrigerant Charging 4 . Check the sight glass to be sure there is no refrigerant flashing. NOTICE — If the unit is at steady full load operation and bubbles Proper refrigerant charge is essential for optimal unit operation, are visible in the sight glass, then check liquid unit performance, and environmental protection.

  • Page 52: Maintenance Schedule

    D. Check all panels for cleanliness - remove dust and debris from electrical boards and connections Key: O = Performed by owner personnel X = Performed by qualified service personnel * = 5 year recommendation DAIKIN APPLIED MAGNITUDE WME-D MAGNETIC BEARING CHILLER...

  • Page 53: Appendix

    (collectively “Owner”) that, subject to the exclusions set forth below Company, at its option, will repair or replace defective parts in the event any product manufactured by Company, including products sold under the brand name Daikin and used in the United States or Canada, proves defective in material or workmanship within twelve (12) months from initial startup or eighteen (18) months from the date shipped by Company, whichever occurs first.

  • Page 54: Pre-Start Checklist

    From starter to chiller unit (remote mounted) Centrifugal chillers with water cooled oil coolers must have a 115 volt normally closed water solenoid valve installed in the oil cooler water supply line. Daikin Applied recommends ASCO Type 8210B27 solenoid valve or approved equal and 40-mesh strainer. Daikin Applied does not supply these components.
  • Page 55 WWW.DAIKINAPPLIED.COM IOM 1372...
  • Page 56 1 - 8 0 0 - 4 3 2 - 1 3 4 2 | 7 6 3 - 5 5 3 - 5 3 3 0 LEARN MORE AT DAIKINAPPLIED.COM PART NUMBER: IOM1372 © 2024 DAIKIN APPLIED | (800) 432.1342 | WWW.DAIKINAPPLIED.COM...

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