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JOHNSON CONTROLS
122
FORM 150.73-NM1
ISSUE DATE: 09/04/2020
SECTION 7 – UNIT CONTROLS
TABLE 21 -
COOLING SETPOINTS PROGRAMMABLE LIMITS AND DEFAULTS
SETPOINT VALUE
LOW LIMIT
HIGH LIMIT
DEFAULT
Discharge Air Temp. Setpoint
45.0 °F
70.0°F
44.0°F
7.2°C
21.1°C
12.7°C
Discharge Air Temp. Range
3.0°F
10.0°F
5.0°F
1.7°C
5.6°C
2.8°C
Suction Pressure Setpoints
102 psig
155 psig
122 psig
7.03 Bars
10.7 Bars
8.4 Bars
Suction Pressure Range
3 psig
16 psig
5 psig
0.21 Bars
1.1 Bars
0.34 Bars
Max EMS - PWM Remote Temp. Reset
2°F
40°F
20°F
1°C
22°C
11°C
TABLE 22 -
PROGRAM AND DEFAULTS
PROGRAM VALUE
MODE
LOW LIMIT
HIGH LIMIT
DEFAULT
Discharge Pressure Cutout
--
325 psig
575 psig
570 psig
22.4 barg
39.6 barg
39.3 barg
Suction Pressure Cutout
80.0 psig
120.0 psig
80.0 psig
5.52 barg
8.27 barg
5.52 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
Anti-Recycle Timer
--
300 SEC.
600 SEC.
600 SEC.
Fan Control On Pressure
--
360 psig
485 psig
385 psig
24.8 barg
33.4 barg
26.5 barg
Fan Differential Off Pressure
--
80 psig
160 psid*
125 psid
5.51 barg
11.03 barg*
8.0 barg
Total Number Of Compressors
Single System
2
3
3
Two Systems
4
6
6
Number Of Fans Per System
YLUA0096 -
YLUA0140 Only
3
4
3
Unit/System Trip Volts
Current Feedback
Option Enabled One
Per Unit
0.5 VOLTS
4.5 VOLTS
2 VOLTS
Remote Unit Id
--
0
7
0
* The minimum discharge pressure allowed is 160 psig. The fan differential Off Pressure will be lowered to prevent going below 235 psig
based on where the fan control On Pressure is programmed.
Summary of Contents for YLUA0078
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