Enviropurge Thermal Purge Unit

Item #: EMS Enviropurge Thermal Purge Unit

EnviroPurge: Reliable Thermal Purge Unit

Chiller Purge Unit Services R11, R123, R114 or R113 Chillers

  • Prevents against “false purge” conditions generated by low chiller condenser vapor temperature or refrigerant stacking in the purge vessel.
  • Maximum purge pumpout safety prevents refrigerant loss.
  • Excessive purge count indicates possible leaks.
  • Programming operations is an easy menu-driven procedure.
  • Energy saving mode shuts down the unit if noncondensibles are absent.
  • Automatically purges air from idle chillers for better start-up efficiency.
  • No Need to Drill & Tap Condenser Shell, unit returns refrigerant to the chiller evaporator.
  • Adapts to any brand of chiller and conveniently installs near floor level.
  • Historical Data: The touch of a key scrolls the following values for easy, hands-free logging:
  • Pumpout Avg: Last 30-days
  • Pumpout Avg: Last 24-hours
  • Pumpout Avg: Last 7-days
  • Pumpout Avg: Last 4-hours
  • Pumpout Avg: Chiller off
  • Pumpout Time Total
  • Vessel Liquid Min. Setpoint
  • Pumpout Cycle Total Count
  • Manual Mode Run Time Last 30-days
  • CarbCan Change Time (opt) 
  • During normal operation the unit continuously displays and scrolls several system temperatures (in 0F or 0C) plus the current total pumpout time and cycle count.
  • Microprocessor Controls Prevent Catastrophic Refrigerant Loss Due to:
                 Low chiller condenser saturation temperature
                 Purge vessel liquid overflow or return line restriction
                 Excessive purge pumpout time
                 Condensing unit malfunction
Enviropurge Thermal Purge Unit
Enviropurge Thermal Purge Unit



0.49-lb refrigerant/lb (0.0049 w/carbon tank)

Dimensions – (L x W x H)

36″ x 25″ x 30″


130lbs (59kg) Shipping 175lbs (80kg)


32 character, 2 row backlighted LCD

Condensing Unit

1/3-hp high temperature R134a

Operating Temperature

32-120oF, 5-95% RH, noncondensing


3/8” inlet, 1/4” liquid return


1-year parts

Part Number Power Options Refrigerant Service
EMS-611-011 115/60/1, 110/50/1, 20A R11
EMS-611-113 115/60/1, 110/50/1, 20A R113
EMS-611-123 115/60/1, 110/50/1, 20A R123
EMS-611-114 115/60/1, 110/50/1, 20A R114
EMS-522-011 230/60/1, 220/50/1, 15A R11
EMS-522-113 230/60/1, 220/50/1, 15A R113
EMS-522-123 230/60/1, 220/50/1, 15A R123
EMS-522-114 230/60/1, 220/50/1, 15A R114

Included with purchase:

  • 3/8″ inline filter drier
Call Us Now