Daikin WMC Specifications

Engineered for flexibility and performance™Magnitude™ Magnetic Bearing Centrifugal Chillers Catalog 602-2Model WMC • 145 to 400 tons • 500 to 1400 kW

10 Catalog 602-2  Demand limit control. Maximum motor current draw can be set on the panel, or can be adjusted from a remote 4-20 ma or 1-5 VDC BA

Catalog 602-2 11 Figure 5, Sample System Architecture Table 1, Typical Data Point Availability Typical Data Points1 (W = Write, R = Read) Capacit

12 Catalog 602-2 Unit Design Features Variable Frequency Drive Efficiency: The standard variable frequency drive is a technology that has been used

Catalog 602-2 13 Electronic Expansion Valve Controlled refrigerant flow over the entire capacity range saves energy and dollars. Cooling loads and c

14 Catalog 602-2 Table 2, ASHRAE 90.1 Requirements (kW/ton) Pre 2010 Starting in 2010 Path A Path B Std. 90.1 Capacity Range Full Load IPLV Full L

Catalog 602-2 15 Weighting The percent of annual hours of operation at the four load points are as follows: 100% Load at 1% 75% Load at 42% 50% Load

16 Catalog 602-2 Chiller Identification Magnitude centrifugal chillers are selected by computer and identified by their components on the selection

Catalog 602-2 17 Sound Data The following sound pressure ratings are for measurements one meter from the unit and in accordance with ANSI/AHRI Stan

18 Catalog 602-2 Table 8, WMC 145D/150D, One-Third Octave Band Sound Ratings Octave Band Percent Load 50 Hz 63 Hz 80 Hz 100 Hz 125 Hz 160 Hz

Catalog 602-2 19 Dimensions Figure 7, WMC 145S (B-vintage), 2-Pass, Right-hand (See page 26 for notes.) 6.215714.7375112.12846101.62579128.332595.3T

Cutaway View of Magnetic Bearing Compressor Compressor Major Running Gear Components MicroTech II® Controller Operator Interface

20 Catalog 602-2 Figure 8, WMC 145D (B-vintage), 2-Pass, Right-hand (See page 26 for notes) 7.61946.21579.5241101.62579112.128465.3TYPICALBOTH ENDS1

Catalog 602-2 21 Figure 9, WMC 150D (B-vintage), 2-Pass, Right-hand (See page 26 for notes) 136.43466146.937325.3TYP. BOTHENDS133163.2414511.1283169

22 Catalog 602-2 Figure 10, WMC 250D (B-vintage), 2-Pass, Right-hand (See page 26 for notes) 112.12846134.7342117.143511.128311.128329.2CO N D EN SE

Catalog 602-2 23 Figure 11, WMC 290D (B-vintage), 2-Pass, Right-hand (See page 26 for notes.) 146.93732136.4346661.2EVAPORATORREL I EFVALVES155417

24 Catalog 602-2 Figure 12, WMC 400D (B-vintage), 2-Pass, Right-hand (See page 26 for notes.) 136.434666.21575.91515.3TYPICALBOTH ENDS133146.9373216

Catalog 602-2 25 Marine Water Box Dimensions with Victaulic or Flanged Connections Marine water boxes are an available option on all evaporator and

26 Catalog 602-2 Drawing Notes NOTES: 1. All dimensions are in inches and [millimeters] unless noted otherwise. 2. Final connections must allow fo

Catalog 602-2 27 Physical Data and Weights Lifting and Mounting Weights "LL""LW"MFLMFWXZRFRBLBLFOHOWOL332834901DRAWING NUMBER00R

28 Catalog 602-2 Physical Data Evaporator Refrigerant-side design pressure is 200 psi (1379 kPa). Water-side is 150 psi (1034 kPa). Approximate to

Catalog 602-2 29 Relief Valves As a safety precaution and to meet code requirements, each chiller is equipped with pressure relief valves located

Catalog 602-2 3 Table of Contents The New Compressor Technology ...

30 Catalog 602-2 Electrical Data General Note: The RLA for use in the following tables is obtained by the selection of a specific unit by Daikin Mc

Catalog 602-2 31 Table 16, WMC 145S-B, 3/50/400 SINGLE POINT CONNECTION, STANDARD COMPRESSOR CHILLER RLA [Amp] LRA [Amp] QTY MCA [Amp] MOP [Amp] DIS

32 Catalog 602-2 Table 17, WMC 145D-B & WMC 150D-B, 3/60/460 (Continued) MULTI-POINT CONNECTION, OPTIONAL COMPRESSOR (EACH) CHILLER (PER CIRCU

Catalog 602-2 33 Table 19, WMC 145D-B & WMC 150D-B, 3/50/400 SINGLE POINT CONNECTION, STANDARD COMPRESSOR (EACH) CHILLER RLA [Amp] LRA [Amp] Q

34 Catalog 602-2 WMC 250D & 290D, Dual Compressor Table 20, WMC 250D-B & WMC 290D-B, 3/60/460 SINGLE POINT CONNECTION, STANDARD COMPRESSOR (

Catalog 602-2 35 Table 21, WMC 250D-B & WMC 290D-B, 3/50/400 SINGLE POINT CONNECTION, STANDARD COMPRESSOR (EACH) CHILLER RLA [Amp] LRA [Amp] QT

36 Catalog 602-2 WMC 400D 3/60/460 ONLY Table 22, WMC 400D-B, 3/60/460 SINGLE POINT CONNECTION, STANDARD COMPRESSOR (EACH) CHILLER RLA [Amp] LRA [A

Catalog 602-2 37 Notes for following field wiring diagram 1. The compressor front end box is factory mounted and wired. All incoming line side wi

38 Catalog 602-2 Figure 14, Field Wiring Diagram See notes on page 37. 80* CHILLE

Catalog 602-2 39 Power Factor Correction Do not use power factor correction capacitors with WMC chillers. Doing so can cause harmful electrical res

4 Catalog 602-2 The New Compressor Technology For Magnitude™ Model WME see Catalog 604 Next Generation Centrifugal -Here Today The industry’s ne

40 Catalog 602-2 The power line noise emissions associated with variable frequency and variable speed drives can cause disturbances in nearby equipm

Catalog 602-2 41 Application Considerations Location WMC chillers are intended only for installation in an indoor or weather protected area consist

42 Catalog 602-2 Condenser Water Temperature When the ambient wet bulb temperature is lower than design, the entering condenser water temperature c

Catalog 602-2 43 determined from the Daikin McQuay selection program. We recommend variable flow only in the evaporator because there is virtually

44 Catalog 602-2 Retrofit Knockdown It is estimated that fifty percent of retrofit applications require partial or complete disassembly of the chill

Catalog 602-2 45 Pressure Drop Curves NOTE: The Evaporator and Condenser Model Codes are shown on page 27. The -B and -C designations shown on the c

46 Catalog 602-2 Figure 19, 2-Pass Evaporators WMC Evap - Water Side Pressure Drop(2 pass)01020304050600 500 1000 1500 2000EGPM - gpmEPD - ftE221

Catalog 602-2 47 Figure 21, 3-Pass Evaporators WMC Evap - Water Side Pressure Drop(3 pass)01020304050607080900 200 400 600 800 1000 1200EGPM - gpmE

48 Catalog 602-2 Options and Accessories Vessels Marine water boxes Provides tube access for inspection, cleaning, and removal without dismantling w

Catalog 602-2 49 Seismic Certification Unit is OSHPD Pre-Approved and so labeled. (California only). Unit is certified to IBC 2009 and so labeled. E

Catalog 602-2 5 11.. Magnetic Bearings and Bearing Sensors 22.. Permanent Magnet Synchronous Motor 33.. Touchdown Bearings 44.. Shaft and Impell

50 Catalog 602-2 Refrigerant Recovery Units Although Daikin McQuay chillers can pump the entire refrigerant charge into the condenser and valve it o

Catalog 602-2 51 MODEL RRU570 Recovers at R-134a at 300 lb/min liquid and 5.7 lb/min vapor, ideal for the medium size chiller job. Rugged 3 hp open

52 Catalog 602-2 SPECIFICATIONS Sensitivity: As low as 1 PPM Range: 0 to 1000 PPM Weight: 25 lbs. (11 kg) Power: 120/240 Volt, 50/60 Hz Operating

Catalog 602-2 53 Specifications SECTION 15XXX MAGNETIC BEARING CENTRIFUGAL CHILLERS PART 1 - GENERAL 1.1 SUMMARY A. Section includes design, perfor

54 Catalog 602-2 and piping possible will remain on the vessel stack. The unit shall be shipped without refrigerant, which must be furnished and cha

Catalog 602-2 55 common and the chiller shall be capable of running on one compressor with the other compressor or any of its auxiliaries inoperable

56 Catalog 602-2 contaminate the refrigerant and chiller system. If any portion of the chiller system is below atmospheric pressure during either op

Catalog 602-2 57 2. The motor shall be of the semi-hermetic type, of sufficient size to efficiently fulfill compressor horsepower requirements. It

58 Catalog 602-2 a minimum of 200 psi. Provide intermediate tube supports at a maximum of 24 inch spacing. The heads shall be [carbon steel] OR [e

Catalog 602-2 59  Piping  Tank  Heater  Cooler  Controls  Valves 3. Manufacturer shall be responsible for covering all costs associated

6 Catalog 602-2 Exceptional Control User-Friendly Touch Screen Panel Every Magnitude chiller is provided with the user-friendly operator interface

60 Catalog 602-2 7. The chiller shall be capable of cycling and loading up to three other similar chillers through a local network and also automat

Catalog 602-2 61 5. IBC Certification: The chiller shall be certified to the following codes and standards; 2009 IBC, 2010 CBC, ICC-ES AC-156, ASCE

© 2012 McQuay International  (800)432-1342  www.mcquay.com Catalog 602-2 (2/12) This document contains the most curren

Catalog 602-2 7 Extremely Low Vibration Levels As a result of the magnetic bearings and low inertia design, the compressor vibration levels are extr

8 Catalog 602-2 MicroTech II ® Control Features and Benefits FEATURE BENEFIT Easy integration into Building Automation System (BAS) via the exclu

Catalog 602-2 9 Figure 2, MicroTech II Home Screen If an alarm occurs, a red button appears on the screen (a remote signal is also available). Pres