JOHNSON CONTROLS
15
FORM 160.76-PW6
ISSUE DATE: 09/06/2019
PRESSURE TEMPERATURE CHART
TABLE 1 -
PRESSURE TEMPERATURE CHART
Application
Device
Units
Operating Point
Chilled
Water
Brine
On Rise
On Fall
HDT
Deg.F/Deg.C
220/104.4
219/103.9
HOT
Deg.F/Deg.C
180/82.2
179/81.7
OP
psid/kPa
25/172
15/104
HP (R-134a)
psig/kPa
For further information, refer to the
Operations Manual
LEP (R-134a)
psig/kPa
Cut-Out
180/1241
Inhibit PRV
Opening *
162.5/1120
Allow PRV
Opening *
160/1103
Cut-In
120/827
1LEP
psig
Cut-In
25.1/173
Allow PRV
Opening
28.0/193
Inhibit PRV
Opening
27.0/186
Cut-Out
25.0/172
HOP
psid/kPa
FDTS
Deg.F/Deg.C
90/620.6
<90/620.6
LWT
Deg.F/Deg.C
30.0/-1.10
29.9/-1.20
LWT
Deg.F/Deg.C
Programmable according to the
Operations Manual,
Form 160.54-O1
LOT
Deg.F/Deg.C
71.0/21.7
55.0/12.8
LOTD†
Deg.F/Deg.C
30/16.7
29.9/16.6
LOTD††
Deg.F/Deg.C
40/22.2
39.9/22.1
* - Function provided by condenser transducer default valves shown on table, actual values as programmed.
† - Applicable if unit was shut down for 30 min or less
†† - Applicable if unit was shut down for greater than 30 mins.
TABLE 2 -
LOW/HIGH VOLTAGE TRIP/RESET VALUES
SSS TYPE
COMPRESSOR
MOTOR SUPPLY
VOLTAGE RANGE
- (V)
LOW LINE VOLTAGE
OPERATING POINT
HIGH LINE VOLTAGE
OPERATING POINT
CUTOUT - (V)
(ON FALL)
CUTIN - (V)
(ON RISE)
CUTOUT - (V)
(ON RISE)
CUTIN - (V)
(ON FALL)
LCSSS
200–208
160
174
227
226
LCSSS
220–240
185
200
262
261
LCSSS
380
305
331
415
414
LCSSS
400
320
349
436
435
LCSSS
415
335
362
454
453
LCSSS
440–480
370
400
524
523
LCSSS
550–600
460
502
655
654
LCSSS
Supply Voltage
Range Disabled
None
0
None
0