Carrier 17/19EX - Manual (Page 302)

Legend
P1 — Minimum Pressure Load
T1 — Minimum Temperature Load
P2 — Maximum Pressure Load T2 — Maximum Temperature Load
* Not available on open drive machines.
Table 4 — Capacity Overrides
Override
Capacity
Control
First Stage Setpoint
Second
Stage
Setpoint
Override
Termination
View/
Modify
on LID
Screen
Default Value Configurable Range Value Value
High
Condenser
Pressure
Equip-
ment
Service1 125 psig (862 kPa) 90 to 200 psig
(620-1379 kPa)
>
Override Set
Point + 4 psid
(28 kPad)
<
Override
Set Point
High Motor
Temperature*
Equip-
ment
Service1
>
200 F (93.3 C) 150 to 200 F
(66 to 93 C)
>
Override Set
Point +10° F
(6° C)
<
Override
Set Point
Low
Refrigerant
Temperature
(Refrigerant
Override
Delta
Temperature)
Equip-
ment
Service1
<
3° F (1.6° C) (Above
Trippoint)
2° to 5° F
(1° to 3° C)
≤
Trippoint +
Override
∆
T –1° F
(0.56° C)
>
Trippoint +
Override
∆
T +2° F
(1.2° C)
High
Compressor
LIft (Surge
Prevention)
Equip-
ment
Service1 Min: T1 – 1.5° F
(0.8° C)
P1 – 50 psid
(345 kPad)
Max: T2 – 10° F
(5.6° C)
P2 – 85 psid
(586 kPad)
0.5° to 15° F
(0.3° to 8.3° C)
30 to 170 psid
(207 to 1172 kPad)
0.5° to 15° F
(0.3° to 8.3° C)
30 to 170 psid
(207 to 1172 kPad) None Within Lift
Limits Plus
Surge/HGBP
Deadband
Setting
Manual Guide
Vane Target
Control
Algorithm
Maint01 Automatic 0 to 100% None Release of
Manual Con-
trol
Motor Load —
Active
Demand Limit
Status01 100% 40 to 100%
≥
5% of Set
Point
2% Lower
Than Set
Point