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YORK INTERNATIONAL
81
FORM 150.62-NM1
“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
Option 2 – System Switches (two system units only)
This allows both systems to run
or
SYS 1 SWI TCH ON
SYS 2 SWI TCH ON
DISPLAY LANGUAGE
ENGL I SH
SYS 1 SWI TCH ON
SYS 2 SWI TCH OFF
SYS 1 SWI TCH OFF
SYS 2 SWI TCH ON
CH I LLED L I QU I D
WAT ER
This keeps system 2 off
or
This keeps system 1 off
Option 3 – Unit Type
selected for YCAL Chillers
or
selected for YCUL Condensing units.
Option 4 – Chilled Liquid Cooling Type
The chilled liquid is water. The Cooling Setpoint can be
programmed from 40°F to 70°F (4.4°C to 21.1°C)
UNI T TYPE
LIQUID CHILLER
UNI T TYPE
CONDENS I NG UN I T
00070VIP
2