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Summary of Contents for Lennox MWC 180
- Page 1 APPLICATION GUIDE Water cooled chillers Heat pumps 180 720 kW MCW-AGU-0410-E lennoxemeia.com...
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Page 3: Table Of Contents
All the technical and technological information contained in this manual, including any drawing and technical descriptions provided by us, remain the property of Lennox and must not be utilised (except in operation of this product), reproduced, issued to or made available to third parties without the prior written agreement of Lennox. -
Page 4: Features And Benefi Ts
0-10 V output signal available from the controller - A refrigerant charge reduced by 30% thanks to the use of to control a condenser water inlet valve (Not from Lennox R410A combined with plate heat exchanger supply). - Page 5 FEATURES AND BENEFITS ELECTRICAL BOX COMMUNICATION The MWC is designed for 400V/3/50Hz supply. The control board is equipped with a RS485 serial communication port to allow remote management through communication - Unit electrical cabinet, components and wiring in compliance bus. with EN 60204-1 electrical directive.
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Page 6: Options And Accessories
OPTIONS AND ACCESSORIES OPTIONS DESCRIPTION ADVANTAGES MODELS Unit equipped with electrical power Control/Power electrical equipment of MWC/MRC and control circuit for one single Quick start-up on job site. single evaporator pump 180 ► 720 speed pump Unit equipped with electrical power Control/Power electrical equipment of MWC/MRC and control circuit for dual single... -
Page 7: Model Number Description
OPTIONS AND ACCESSORIES OPTIONS DESCRIPTION ADVANTAGES MODELS Communication card using Bacnet® Communication interface with a MWC/MRC BACnet® communication interface protocol. building management system. 180 ►720 Electronic board with RS485 cables, Adalink™ supervision (Customer Remote supervision of the unit via an MWC/MRC RJ11 phone cable, Ethernet cable friendly web based supervision) -
Page 8: General Data
GENERAL DATA COOLING ONLY MWC™ Cooling mode 186,1 232,8 280,7 333,6 380,4 Cooling capacity Power input 39,3 49,9 59,7 70,9 81,0 Full load amps 70,6 86,6 101,1 118,1 133,2 4,74 4,66 4,70 4,70 4,70 ESEER 6,74 6,31 6,38 6,25 6,03 Evaporator water fl... - Page 9 GENERAL DATA COOLING ONLY MWC™ 720 (*) Cooling mode 442,9 499,0 570,3 642,3 715,5 Cooling capacity Power input 95,0 108,7 122,3 140,6 161,1 Full load amps 154,0 177,6 201,0 230,9 264,5 4,66 4,59 4,66 4,57 4,44 ESEER 6,04 6,04 6,09 5,97 5,67 Evaporator water fl...
- Page 10 GENERAL DATA COOLING ONLY MRC™ Cooling mode 161.1 202.0 241.9 288.7 328.5 Cooling capacity Power input 49.7 63.0 76.2 89.4 102.5 Full load amps 89.3 109.3 129.0 148.9 168.5 3.24 3.21 3.18 3.23 3.20 Evaporator water fl ow 26.8 22.3 31.0 24.1 30.6...
- Page 11 GENERAL DATA COOLING ONLY MRC™ 720 (*) Cooling mode 382,0 432,8 494,3 554,8 615,4 Cooling capacity Power input 120,3 137.0 153.8 176.2 198.6 Full load amps 194,9 223.8 252.8 289.4 326.0 3,18 3.16 3.21 3.15 3.10 Evaporator water fl ow 30,7 31.3 35.0...
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Page 12: Pressure Drops
PRESSURE DROPS EVAPORATORS CURVE 90 100 Flow rate (m CONDENSER CURVE 80 90 100 Flow rate (m FILTER CURVE Curves Evaporator Condenser Filter DN 100 DN 125 DN100 DN100 DN100 DN100 DN100 DN125 DN125 DN125 DN125 DN125 0,01 Water fl ow rate (m •... -
Page 13: Hydraulic Data
HYDRAULIC DATA MINIMUM WATER CONTENT OF AN INSTALLATION Thanks to multi step capacity control and smart anti-short compressor cycling, MWC™ can work with minimum water loop volume as defi ned here below. This can eliminate the need for a buffer tank in most of air-conditioning applications (e.g. MWC™ application with fan-coil units). -
Page 14: Acoustic Data
ACOUSTIC DATA STANDARD UNIT Sound pressure at Sound pressure Global sound Spectrum per octave band dB(A) 10 m. envelopping power Semi-spheric surface at 10 m. EUROVENT 1000 2000 4000 8000 Lp dB(A) Lp dB(A) Lwa dB(A) UNIT WITH PANEL ENCLOSURE (OPTION) Sound pressure at Sound pressure Global sound... -
Page 15: Operating Limits
OPERATING LIMITS COOLING ONLY 180 230 280 330 380 450 510 570 650 720 Min. evaporator outlet water temperature °C °C Max. evaporator outlet water temperature Min. difference water inlet/outlet °C Max. difference water inlet/outlet °C Min. condenser outlet water temperature °C Maximum condenser outlet water temperature : °C... -
Page 16: Electrical Data
ELECTRICAL DATA MWC/MRC UNITS MWC™ Minimum and maximum voltage 380 V / 420 V Maximum power 68,9 87,8 106,8 125,7 144,5 Maximum current 123,8 152,2 181,0 209,4 237,6 Maximum current (with cos phi 0,95 option) 104,8 133,5 162,6 191,3 219,8 Start-up intensity 266,9 402,9... -
Page 17: Performances
PERFORMANCES COOLING MODE Condenser water oulet temperature 183,6 35,0 31,6 34,1 174,8 39,2 30,1 31,1 164,8 43,6 28,4 27,9 153,8 48,4 26,5 24,5 229,9 44,6 39,6 28,2 218,5 49,7 37,6 25,7 205,9 55,3 35,4 23,1 192,1 61,4 33,0 20,3 276,7 53,6 47,6 39,6... -
Page 18: Mrc - Cooling Mode
PERFORMANCES COOLING MODE Saturated discharge temperature /h kPa /h kPa /h kPa /h kPa /h kPa 172,1 40,3 29,6 30,2 162,0 44,7 27,9 27,0 150,9 49,4 26,0 23,7 138,7 54,2 23,9 20,3 125,6 59,3 21,6 16,9 215,6 50,9 37,1 25,1 202,9 56,6 34,9 22,4 189,1 62,8 32,5... -
Page 19: Mwc - Heating Mode
PERFORMANCES HEATING MODE Outdoor air temperature 200,1 43,6 34,4 40,0 194,1 48,4 33,4 37,8 187,2 53,4 32,2 35,3 179,5 58,6 30,9 32,7 250,7 55,3 43,1 33,1 243,4 61,4 41,9 31,3 235,4 68,1 40,5 29,5 226,7 75,4 39,0 27,5 301,6 65,7 51,9 26,1 293,2... -
Page 20: Dimensional Data
4" Condenser Water inlet 4" Water outlet Out2 4" Liquid line 7/8" Discharge line 1" 1/8 LOAD DITRIBUTION (Kg - Operating weights) MWC 180 MRC 180 Lennox recommend load distribution as detailed above • 18 • Application Guide • MWC-0410-E... - Page 21 2 x 1" 1/8 7/8" 1" 3/8 Discharge line 2 x 1"3/8 2 x 1"3/8 2 x 1" 3/8 1" 1/8 LOAD DITRIBUTION (Kg - Operating weights) Lennox recommend load distribution as detailed above Application Guide • MWC-0410-E • 19 •...
- Page 22 DIMENSIONAL DATA MWC 450 1000 Mini 1438±5 231±5 Out2 Out1 G1/G2 D1/D2 D1/G1 D2/G2 150±5 1600±5 1008±5 Fixing detail view 1900±5 1200±5 2200±5 Fixing detail view 4 x n20 In/Out = Ø 5" Victaulic Out1 Out2 Evaporator Water inlet 5" 5"...
- Page 23 DIMENSIONAL DATA MWC 650 719±5 719±5 231±5 1000 Mini Out2 Out1 G1/G2 D1/D2 D1/G1 D2/G2 150±5 1600±5 1008±5 Fixing detail view 1900±5 1200±5 2200 ± 15 Fixing detail view 4 x n20 Out1 Out2 Out2 In/Out = Ø 5" Victaulic MRC 650 MRC 720 Evaporator...
- Page 24 LENNOX DISTRIBUTION PORTUGAL +33 4 72 23 20 00 +351 229 066 050 Due to Lennox’s ongoing commitment to quality, the specifi cations, ratings and dimensions are subject to change without notice and without incurring liability. Improper installation,...
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