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the cooling coil. This unit application has the control sensor
located after the cooling coil, in the fan section, where it is
designated as (Cooling) Supply Air Temperature or SAT sensor.
SETUP AND CONFIGURATION
Before being placed into service, the W7220 economizer module
must be set up and configured for the installed system.
The setup process uses a hierarchical menu structure that is easy to
use. Press the ▲ and ▼ arrow buttons to move forward and back
-
ward through the menus and press the button to select and confirm
setup item changes.
Time-Out and Screensaver
When no buttons have been pressed for 10 minutes, the LCD dis
-
plays a screen saver, which cycles through the Status items. Each
Status items displays in turn and cycles to the next item after
5 seconds.
IMPORTANT: During setup, the economizer module is
live at all times.
Summary of Contents for 50KC04
Page 4: ...4 Fig 2 Unit Dimensional Drawing of Units Built On and After 4 15 19...
Page 5: ...5 Fig 3 Unit Dimensional Drawing of Units Built on and Prior to 4 15 19...
Page 6: ...6 Fig 4 Unit Corner Weights and Clearances...
Page 7: ...7 Fig 5 Base Rail Details...
Page 8: ...8 Fig 6 Thru the Base Charts...
Page 35: ...35 Fig 49 Electro Mechanical Control Wiring Diagram...
Page 36: ...36 Fig 50 Electro Mechanical Control Wiring Diagram with Humidi MiZer System...
Page 37: ...37 Fig 51 Electro Mechanical Power Wiring...
Page 38: ...38 Fig 52 PremierLink Wiring Schematic...
Page 39: ...39 Fig 53 PremierLink Wiring Schematic with Humidi MiZer System...
Page 40: ...40 Fig 54 RTU Open System Control Wiring Diagram...
Page 41: ...41 Fig 55 RTU Open System Control Wiring Diagram with Humidi MiZer System...
Page 47: ...47 Fig 63 TXV Metering Device Position in Reheat Coil Typical Diagram for Sizes 04 06 TXV...
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