FORM
“UNIT” KEYS
OPTIONS key
There are eleven programmable options (nine for units with a single refrigerant system) under the OPTIONS key. The OPTIONS key is used to scroll through the list of options by repeatedly pressing the OPTIONS key . After the selected option has been displayed, the UP and DOWN arrow keys are then used to change that particular option. After the option is changed, the EN- TER/ADV key must be pressed to enter the data into memory. Table 31 shows the programmable options. Following are the displays in the order they appear:
Option 1 – Language
D I S P L A Y L A N G U A G E
E N G L I S H
Option 2 – System Switches (two system units only)
S Y S | 1 | S W I | T C H | O N |
S Y S | 2 | S W I | T C H | O N |
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This allows both systems to run
or
S Y S | 1 | S W I | T C H | O N |
S Y S | 2 | S W I | T C H | O F F |
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2
00070VIP
This keeps system 2 off
or
S Y S | 1 | S W I | T C H | O F F |
S Y S | 2 | S W I | T C H | O N |
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This keeps system 1 off
Option 3 – Unit Type
U N I T T Y P E
L I Q U I D C H I L L E R
selected for YCAL Chillers
or
U N I T T Y P E
C O N D E N S I N G U N I T
selected for YCUL Condensing units.
Option 4 – Chilled Liquid Cooling Type
C H I L L E D L I Q U I D
W A T E R
The chilled liquid is water. The Cooling Setpoint can be programmed from 40°F to 70°F (4.4°C to 21.1°C)
YORK INTERNATIONAL | 81 |