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JOHNSON CONTROLS
105
FORM 150.62-NM8 (1020)
2
TABLE 21 – PROGRAM KEY LIMITS AND DEFAULTS
PROGRAM VALUE
MODE
LOW LIMIT
HIGH LIMIT
DEFAULT
DISCHARGE PRESSURE CUTOUT
—
200 psig
399 psig
395 psig
13.8 barg
27.5 barg
27.2 barg
SUCTION PRESSURE CUTOUT
WATER COOLING
44.0 psig
70.0 psig
44.0 psig
3.03 barg
4.83 barg
3.03 barg
GLYCOL COOLING
20.0 psig
70.0 psig
44.0 psig
1.38 barg
4.83 barg
3.03 barg
LOW AMBIENT TEMP, CUTOUT
STANDARD
AMBIENT
25.0°F
60.0°F
25.0°F
-3.9°C
15.6°C
-3.9°C
LOW AMBIENT
0°F
60.0°F
25.0°F
-17.8°C
15.6°C
-3.9°C
LEAVING CHILLED LIQUID TEMP
CUTOUT
WATER COOLING
—
—
36.0°F
2.2°C
GLYCOL COOLING
8.0°F
36.0°F
36.0°F
-13.3°C
2.2°C
2.2°C
ANTI-RECYCLE TIMER
—
300 sec.
600 sec.
600 sec.
FAN CONTROL ON PRESSURE
—
225 psig
260 psig
240 psig
15.5 barg
17.9 barg
16.5 barg
FAN DIFFERENTIAL OFF PRESSURE
—
50 psig
100 PSID*
80 PSID
3.45 barg
6.89 barg*
5.52 barg
TOTAL NUMBER OF COMPRESSOR
SINGLE SYSTEM
2
3
3
TWO SYSTEM
4
6
6
NUMBER OF FANS PER SYSTEM
YCAL 0090
-YCAL0134 ONLY
3
4
3
UNIT/SYSTEM TRIP VOLTS
CURRENT
FEEDBACK
OPTION ENABLED.
ONE PER UNIT
0.5
4.5
2
REMOTE UNIT ID
—
0
7
0
SYSTEM 1 SUPERHEAT SETPOINT
EEV
10.0°F
15.0°F
12.0°F
5.5°C
8.3°C
6.6°C
SYSTEM 2 SUPERHEAT SETPOINT
EEV
10.0°F
15.0°F
12.0°F
5.5°C
8.3°C
6.6°C
* The minimum discharge pressure allowed is 160 psig. The
Fan Differential OFF Pressure
will be lowered to prevent going below 160 psig
based on where the Fan Control ON Pressure is programmed.
Summary of Contents for YCAL0014E Series
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