STULZ E
2
SERIES CONTROLLER FOR PERIMETER SYSTEMS OPERATION MANUAL
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Glossary
Terms and Abbreviations
A/C- Air Conditioner
BMS - Building Management System
BTU/Hr - British Thermal Units Per Hour
ºC - Degrees Centigrade
CW - Chilled Water
DX - Direct Expansion
EEV - Electronic Expansion Valve
EVD - Electronic Valve Driver
EWT - Entering Water Temperature
ºF - Degrees Fahrenheit
FOB - Free on Board
ft. - Feet
in. - Inches
LWT - Leaving Water Temperature
PSI - Pounds per Square Inch
PSIG - Pounds per Square Inch Gauge
R.H.- Relative Humidity
STULZ - STULZ Air Technology Systems, Inc.
V - Volt
VAC - Volt, Alternating Current
VDC - Volt, Direct Current
W/G - Water Glycol
STULZ A/C System Types
AHU- Air Handling Unit
AHU AWS - Air Handling Unit with Alternate Water
Source option
AR - Remote (split) Air cooled system
AR AWS - Remote (split) Air cooled system with
Alternate Water Source option
AS - Self-contained air-cooled system
CW - Chilled Water system
W/G - Water or Glycol cooled system
W/G AWS - Water or Glycol cooled system with
Alternate Water Source option
W/G FC - Water or Glycol cooled system with
Free-cooling option
DAHU - Dual Air Handling Unit
DAHU - Dual Air Handling Unit with Alternate
AWS Water Source option
DAR - Dual Remote (split) Air cooled system
DAR AWS - Dual Remote (split) Air cooled system with
Alternate Water Source option
DAR OA - Dual Remote (split) Air cooled system
with Outside Air option
DCW - Dual Chilled Water system
DW/DG - Dual Water or Dual Glycol cooled system
DW/DG Dual Water or Dual Glycol cooled
AWS - System with Alternate Water Source option
DW/DG FC - Dual Water or Dual Glycol cooled system
with Free-cooling option
DW/DG OA - Dual Water or Dual Glycol cooled system
with Outside Air option
CMU - Coolant Modulating Unit
AR CH - Remote (split) Air cooled Chiller
W/G CH - Water or Glycol cooled Chiller
DAR CH - Dual Remote (split) Air cooled Chiller
DW/DG CH - Dual Water or Dual Glycol cooled Chiller
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