Table 18: Program Key Limits And Default - York YLAA0041 Installation Operation & Maintenance

Section 7: Unit controls

Table 18: Program key limits and default

Program value
Discharge pressure cutout
Suction pressure cutout
Low ambient temperature cutout
Leaving chilled liquid
temperature cutout
Anti-recycle timer
Fan control on pressure
Fan differential off pressure
Total number of compressors
Number of fans per system
Unit/system trip volts
Remote unit ID
Duty/standby pump change over
Three-way valve RLH temperature
setpoint
Three-way valve pressure differential
setpoint
Three-way valve voltage setpoint
Three-way valve on time
Anti-vacuum suction pressure cutout
Anti-vacuum delay time
VSD fan low pressure limit
VSD fan high pressure limit
158
Mode
—
Water cooling
Glycol cooling
Standard ambient
Low ambient
VSD fan
All other configurations
Water cooling
Glycol cooling
Low temperature
glycol cooling
—
—
—
Single system
Dual system
—
Current feedback
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Form 150.72-ICOM6
Issue date: 12/19/2023
Low limit High limit
325 psig 575 psig
22.41 barg 39.64 barg
87.0 psig 120.0 psig
6.00 barg 8.27 barg
82.0 psig 120.0 psig
5.65 barg 8.27 barg
33.0 psig 120.0 psig
2.28 barg 8.27 barg
25.0ºF 60.0ºF
-3.9ºC 15.6ºC
-10.0ºF 60.0ºF
-23.3ºC 15.6ºC
0.0ºF 60.0ºF
-17.8ºC 15.6ºC
— —
8.0ºF 36.0ºF
-13.3ºC 2.2ºC
-1.0ºF 36.0ºF
-18.3ºC 2.2ºC
300 s 600 s
360 psig 485 psig
24.8 barg 33.4 barg
80 psid 160 psid*
5.51 bard 11.03 bard*
2 3
4 6
2 6
0.5 V 4.5 V
0 7
1 30
55.0°F 65.0°F
12.8°C 18.3°C
100 psig 140 psig
6.89 barg 9.65 barg
4.0 V 7.0 V
180 s 600 s
3 psig 20 psig
0.21 barg 1.38 barg
3 s 30 s
247 psig 345 psig
17.03 barg 23.78 barg
350 psig 450 psig
24.13 barg 31.03 barg
Default
570 psig
39.30 barg
87.0 psig
6.00 barg
87.0 psig
6.0 barg
44.0 psig
3.03 barg
25.0ºF
-3.9ºC
25.0ºF
-3.9ºC
25.0ºF
-3.9ºC
36°F
2.2°C
36.0ºF
2.2ºC
36.0ºF
2.2ºC
600 s
385 psig
26.5 barg
125 psid
8.62 bard
3 comps
6 comps
3 fans
2.5 V
0
30
60.0°F
15.6°C
100 psig
6.89 barg
5.0 V
300 s
10%
programmed
suction cutout
6 s
247 psig
17.03 barg
450 psig
31.03 barg
Johnson Controls