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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
HCFC-22 HFC-134a HCFC-22 HFC-134a >Override
Set Point
+ 4 psid
(28 kPad)
<Override Set
Point
>195 psig
(1345 kPa)
125 psig
(862 kPa)
150 to 245 psig
(1034-1689 kPa)
90 to 200 psig
(620 to
1379 kPa)
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
HCFC-22 HFC-134a HCFC-22 HFC-134a None Within Lift
Limits Plus
Surge/ HGBP
Deadband
Setting
Min:
T1 — 1.5° F
(0.8° C)
P1 — 75 psid
(517 kPad)
Max:
T2 — 10° F
(5.6° C)
P2 — 170 psid
(1172 kPad)
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)
50 to 170 psid
(345 to
1172 kPad)
0.5° to 15° F
(0.3° to 8.3° C)
50 to 170 psid
(345 to
1172 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)
Manual
Guide Vane
Target
Control
Algo-
rithm
Maint01
Automatic 0 to 100% None Release of
Manual
Control