Rotary Screw Compressor Central Chillers

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50 to 500 Ton Central Chiller

MX Series Central Chillers use a compact rotary screw compressor for greater reliability, energy efficiency and noise reduction. Each independent refrigeration circuit contains a brazed plate evaporator for greater chiller reliability and features a powerful controller to monitor, control and maintain stable and reliable operation of the chiller

MX Series Central Chiller Features

  • 50 to 125 tons per module, up to 6 modules
  • Water-cooled and remote condenser models available
  • Modular design allows up to six multiple circuits to be linked together with a common control system
  • Compact size with easy access to controls and components
  • Rotary screw compressor with integral oil separator and filter
  • Compressor unloading for capacity control
  • Water cooled shell & tube condenser with removable head
  • Electronic condenser water regulating valve
  • Stainless steel brazed plate evaporator
  • Electronic expansion valve
  • R-134a refrigerant
  • NEMA-12 C-UL 508A listed and labeled control panel
  • Alarm horn with silence button

Available Options

  • Rotary non-fused disconnect switch
  • Flange disconnect switch
  • Condenser coil coating (remote air-cooled condenser chillers)
  • Alarm horn stack light
  • ModBUS RTU, BACnet or LonWorks communications port
  • 5-year compressor parts warranty
  • 10" HMI with Ethernet port

Specification Tables

WATER COOLED CHILLER GENERAL DATALearn More

ModelMXW50MXW75MXW100MXW125
Cooling Capacity (tons)¹ 53.9 70.8 106 130
Set Point Range (°F) 20 to 75 20 to 75 20 to 75 20 to 75
Process Fluid In/Out (in) 3 4 4 4
Condenser Water In/Out (in) 3 4 4 4
Refrigerant Charge (lbs of R134A) 75 105 140 175
Minimum Unloaded Capacity (ton) 18 28 34 42
Length (in) 140 142 147 148
Width (in) 36 36 36 36
Height (in) 81 81 81 81
Shipping Weight (lbs) 2,965 3,915 4,315 5,020
Operating Weight (lbs) 3,145 4,095 4,575 5,330
MCA² @ 460/3/60 (amps) 142 173 209 275

¹Cooling capacity when cooling water with 50°F set point, 60°F return, 95°F condenser air, R-134A refrigerant.
²MCA is Minimum Circuit Amps (for wire sizing), complies with NEC, Section 430-24.

REMOTE AIR - COOLED CONDENSER CHILLER GENERAL DATALearn More

ModelMXR50MXR75MXR100MXR125
Cooling Capacity (tons)¹ 48.0 64.6 95.6 117.5
Set Point Range (°F) 20 to 75 20 to 75 20 to 75 20 to 75
Process Fluid In/Out (in) 3 4 4 4
Liquid Line Connection (in) 1.375 1.625 2.125 2.125
Discharge Line Connection (in) 2.125 2.625 2.625 3.125
Refrigerant Charge (lbs of R134A) Varies based on system refrigerant piping
Minimum Unloaded Capacity (ton) 18 28 34 42
Length (in) 134 137 137 137
Width (in) 36 36 36 36
Height (in) 81 81 81 81
Shipping Weight (lbs) 26.8 26.8 54.0 54.0
Operating Weight (lbs) 2,495 3,340 3,485 3,700
MCA² @ 460/3/60 (amps) 142 173 209 275

¹Cooling capacity when cooling water with 50°F set point, 60°F return, 95°F condenser air, R-134A refrigerant.
²MCA is Minimum Circuit Amps (for wire sizing), complies with NEC, Section 430-24.

REMOTE CONDENSERS GENERAL DATALearn More

ModelLAVF-14412LAVF-16410LAVF-24410LEVF-26410
Nominal Capacity (ton) 50 75 90 140
Quantity Required 1 for MXR50 1 for MXR75 1 for MXR100 1 for MXR125
Refrigerant Charge (lbs) Varies based on system refrigerant piping
Number of Fans 4 6 8 (2 rows of 4 fans) 12 (2 rows of 6 fans)
Refrigerant Inlet Line (in) 3.125 3.125 3.125 per row of fans 3.125 per row of fans
Refrigerant Outlet Line (in) 3.125 3.125 3.125 3.125
Length (in) 220 328 220 342
Width (in) 45 45 91 91
Height (in) 61 61 61 61
Shipping Weight (lbs) 1,600 2,810 2,851 5,218
Operating Weight (lbs) Varies based on system refrigerant charge and operating conditions
Unit MCA¹ @ 460/3/601 14 22 29 43

¹MCA is Minimum Circuit Amps (for wire sizing) as provided by the remote condenser manufacturer.

REMOTE AIR-COOLED CONDENSER ELECTRICAL DATALearn More

ModelRated Voltage¹Allowable SupplyNumber of Power
Connections
Number of ConductorsFan DataUnit Data
MinMaxQTYRLA² EachMCA³MOPD⁴
LAVF-14412 460/3/60 414 506 1 3 4 3.5 15 20
LAVF-16410 460/3/60 414 506 1 3 6 3.5 22 30
LAVF-24410 460/3/60 414 506 1 3 8 3.5 29 35
LAVF-25410 460/3/60 414 506 1 3 10 3.5 36 45

¹ RLA is Rated Load Amps
² LRA is Locked Rotary Amps
³ MCA is Minimum Circuit Ampacity (for wire sizing)
⁴ MOCP is Maximum Overcurrent Protection
⁵ 575/3/60 Remote Condensers require special selection and pricing. Consult factory for details.

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Powerful integrated control for MX Series Central Chillers.

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