Table 3 — Protective Safety Limits and Control Settings
Monitored Parameter
Limit
Applicable Comments
Temperature Sensors Out Of
Range
–40 to 245 F (–40 to 118.3 C)
Must be outside range for 2 seconds
Pressure Transducers Out Of
Range
0.08 to 0.98 Voltage Ratio
Must be outside range for 2 seconds.
Ratio = Input Voltage ÷ Voltage Refer-
ence
Compressor Discharge Tem-
perature
>
220 F (104.4 C)
Preset, alert setting configurable
Motor Winding Temperature
>
220 F (104.4 C)
Preset, alert setting configurable
Bearing Temperature
>
185 F (85 C)
Preset, alert setting configurable
Evaporator Refrigerant
Temperature
<
33 F (for water chilling) (0.6° C)
Preset, configure chilled medium for
water (Service1 table)
<
Brine Refrigerant Trippoint (set point
adjustable from 0 to 40 F [–18 to 4 C]
for brine chilling)
Configure chilled medium for brine
(Service1 table). Adjust brine refrigerant
trippoint for proper cutout
Transducer Voltage
<
4.5 vdc
>
5.5 vdc
Preset
Condenser Pressure — Switch
— Control
>
263 ± 7 psig (1813 ± 48 kPa), reset
at 180 ± 10 (1241 ± 69 kPa)
Preset
>
260 psig (1793 kPa) for HCFC-22;
215 psig (1482 kPa) for HFC-134a
Preset
Oil Pressure — Switch
— Control
Cutout
<
11 psid (76 kPad) ± 1.5 psd
(10.3 kPad) Cut-in
>
16.5 psid
(114 kPad) ± 4 psid (27.5 kPad)
Preset, no calibration needed
Cutout
<
15 psid (103 kPad)
Alert
<
18 psid (124 kPad)
Preset
Line Voltage — High
— Low
— Single-cycle
>
110% for one minute
Preset, based on transformed line volt-
age to 24 vac rated-input to the Starter
Management Module. Also monitored at
PSIO power input.
<
90% for one minute or <85% for 3
seconds
<
50% for one cycle
Compressor Motor Load
>
110% for 30 seconds
Preset
<
10% with compressor running
Preset
>
10% with compressor off
Preset
Summary of Contents for PC211
Page 317: ...Figure 1 19XL Identification ...
Page 318: ...Figure 2A Front View Typical 19XL Components Design I See next page for Rear View ...
Page 319: ...Figure 2A Rear View Typical 19XL Components Design I ...
Page 320: ...Figure 2B Front View Typical 19XL Components Design II See next page for Rear View ...
Page 321: ...Figure 2B Rear View Typical 19XL Components Design II ...
Page 322: ...Figure 3 Refrigerant Motor Cooling and Oil Cooling Cycles ...
Page 323: ...Figure 4 Lubrication System ...
Page 324: ...Figure 5 Cutler Hammer Solid State Starter Internal View ...
Page 325: ...Figure 6 Benshaw Inc Solid State Starter Internal View ...
Page 326: ...Figure 7 Typical Starter Front View Solid State Starter Shown ...
Page 327: ...Figure 8 19XL Controls and Sensor Locations ...
Page 328: ...Figure 9 Control Sensors Temperature ...
Page 329: ...Figure 10 Control Sensors Pressure Transducer Typical ...
Page 330: ...Figure 11 Control Panel Front View with Options Module ...
Page 331: ...Figure 12 Power Panel with Options ...
Page 332: ...Figure 13 LID Default Screen ...
Page 333: ...Figure 14 LID Service Screen ...
Page 334: ...Figure 15 Example of Point Status Screen Status01 ...
Page 335: ...Figure 16 19XL Menu Structure ...
Page 336: ...Figure 17 19XL Service Menu Structure ...
Page 337: ...Figure 18 Example of Time Schedule Operation Screen ...
Page 338: ...Figure 19 Example of Set Point Screen ...
Page 339: ...Figure 20 19XL Hot Gas Bypass Surge Prevention ...
Page 340: ...Figure 21 19XL with Default Metric Settings ...
Page 341: ...Figure 22 Example of Attach to Network Device Screen ...
Page 342: ...Figure 23 Example of Holiday Period Screen ...
Page 344: ...Figure 25 Typical Wet Bulb Type Vacuum Indicator ...
Page 345: ...Figure 26 19XL Leak Test Procedures ...
Page 346: ...Figure 27 Typical Optional Pumpout System Piping Schematic with Storage Tank ...
Page 347: ...Figure 28 Typical Optional Pumpout System Piping Schematic without Storage Tank ...
Page 348: ...Figure 29 Dehydration Cold Trap ...
Page 349: ...Figure 30 Benshaw Inc Solid State Starter Power Stack ...
Page 350: ...Figure 31 Ramp Up and Starting Torque Potentiometers ...
Page 351: ...Figure 32 Typical Potentiometer Adjustment ...
Page 352: ...Figure 33 Typical Cutler Hammer Solid State Starter ...
Page 353: ...Figure 34 Correct Motor Rotation ...
Page 356: ...Figure 37 Optional Pumpout System ...
Page 357: ...Figure 38 Guide Vane Actuator Linkage ...
Page 358: ...Figure 39 19XL Float Valve Designs ...
Page 359: ...Figure 40 Optional Pumpout System Controls ...
Page 360: ...Figure 41 PSIO Module Address Selector Switch Locations and LED Locations ...
Page 361: ...Figure 42 LID Module Rear View and LED Locations ...
Page 362: ...Figure 43 Processor PSIO Module ...
Page 363: ...Figure 44 Starter Management Module SSM ...
Page 364: ...Switch Setting Option Module 1 Option Module 2 S1 S2 6 4 7 2 Figure 45 Options Module ...
Page 365: ...Figure 46 Typical Benshaw Inc Solid State Starter Internal View ...
Page 366: ...Figure 47 Resistance Check ...
Page 367: ...Figure 48 SCR and Power Poles ...
Page 368: ...Figure 49 Typical Cutler Hammer Solid State Starter Internal View ...
Page 369: ...Figure 50 Cutler Hammer Terminal Functions ...
Page 370: ...Figure 51 Solid State Starter General Operation Troubleshooting Guide Typical ...
Page 373: ...Figure 54 Compressor Fits and Clearances Continued ...
Page 374: ...Figure 55 Compressor Fits and Clearances Continued ...