Troubleshooting guide

81
SYSTEM CONTROL LIMIT VALUES WORKSHEET
CONTROL SYSTEM VALUES VALUE LIMITS DEFAULT VALUES
LIMITS CUT IN CUT OUT CUT IN CUTOUT CUT IN CUT OUT
SUCTION PRESSURE ON/OFF (1)
SETPOINT #1 30”/150 30”/150 10 6
SETPOINT #2 30”/150 30”/150 15 11
SUCT PR CAP INCREASE (1)
SETPOINT #1 30”/150 30”/150 20 25
SETPOINT #2 30”/150 30”/150 20 25
SUCT PR CAP DECREASE (1)
SETPOINT #1 30”/150 30”/150 18 23
SETPOINT #2 30”/150 30”/150 18 23
HIGH DSCH PRESS UNLD (1)
SETPOINT #1 0/300 0/300 200 190
SETPOINT #2 0/300 0/300 210 200
LIQ INJECTION SOLENOID CONTROL ON OFF ON OFF
TEMP VIA:
OIL INJECTION TEMPERATURE 200°F 50°F 120°F 105°F
OIL SEPARATOR TEMPERATURE 200°F 50°F 120°F 105°F
OILPMP RESTART (D/S) 1.0/8.0 1.0/8.0 2.8 3.0
OIL SEPARATOR HEATER 80/130 80/130 95 105
CAP CTRL °F ON/OFF (2)
SETPOINT #1 -99/200 -99/200 20 10
SETPOINT #2 -99/200 -99/200 25 15
CAP CTRL °F INCR (2)
SETPOINT #1 -99/300 -99/300 28 27
SETPOINT #2 -99/300 -99/300 33 32
CAP CTRL °F DECR (2)
SETPOINT #1 -99/200 -99/200 24 25
SETPOINT #2 -99/200 -99/200 29 30
LAG, CAPACITY STEP (3) 0/100 - - - 10 - - -
VOL SLIDE ADJ FACTOR -100/100 - - - 0% - - -
MINIMUM RUN CAPACITY 10% / 90% - - - 30 - - -
LEAD, MAXIMUM CAP FLAG (3) 50/100 50/100 95 90
ECONOMIZER SOLENOID 0% / 100% 0% / 100% 80% 75%‘
VOL ADJ CAP RANGE 0/100 - - - 100% 100%
LOW SUCTION PRESS LOAD LIMIT
SETPOINT #1
SETPOINT #2
LOW SUCTION PRESSURE LOAD LIMIT ON OFF ON OFF
SETPOINT #1 30 35
SETPOINT #2 40 45
MOTOR AMPS LOAD LIMIT (4)
SETPOINT #1 0/999 0/999 5 10
SETPOINT #2 0/999 0/999 5 10
C/T RATIO C/T RATIO C/T RATIO
CURRENT TRANSFORMER (1) 100-1000/AMPS 100/5 AMPS
NOTES:
(1) Must be field set.
(2) Set only if temperature is used for capacity control.
(3) Set only if Lead/Lag option is selected.
(4) Set FLA at nameplate amps, MAX at nameplate + service factor.
System Control Limit Values Work Sheet