Pro Refrigeration CHILSTAR Series Operation Manual page 19

OPERATING AND SAFETY CONTROL SET POINT GUIDE
Below you will nd all our standard electrical controls listed with
the recommended settings at di erent operating conditions.
ese settings are based on systems using Refrigerant R404A
CONTROL
High Pressure Control
Low Pressure Control
Freeze Control ( PENN P29NC-3)
High Pressure Control
Low Pressure Control
Freeze Control ( PENN P29NC-3)
High Pressure Safety
Low Pressure Control
Freeze Control ( PENN P29NC-3)
High Pressure Safety
Low Pressure Control
Freeze Control ( PENN P29NC-3)
Please check the set point before starting the system.
Unauthorized adjustment of freeze protection will void the warranty. Please consult the
factory ( 253-735-9466 ) prior to adjusting the setpoint.
On remote or air remote condensing unit systems, operating controls may have to be defeated to allow for system
charging of refrigerant. Be sure to set reset any defeated controls before completing start-up procedures.
To order a refractometer (glycol solution tester) please contact your sales
representative or contact the factory at the above listed phone number
DESIRED
GLYCOL
CUT IN CUT OUT TEMP
400 psi 25 °F
30 psi 10 psi 25 °F
30 psi 25 °F
400 psi 30 °F
30 psi 10 psi 30 °F
35 psi 30 °F
400 psi 35 °F
30 psi 10 psi 35 °F
35 psi 35 °F
400 psi 40 °F
30 psi 10 psi 40 °F
40 psi 40 °F
Packaged Glycol Chiller Systems | 17
GLYCOL
FREEZE
POINT GLYCOL %
0 to -10°F 36-42%
0 to -10°F 36-42%
0 to -10°F 36-42%
0 to 5°F 33-36%
0 to 5°F 33-36%
0 to 5°F 33-36%
0 to 5°F 33-36%
0 to 5°F 33-36%
0 to 5°F 33-36%
0 to 10°F 30-36%
0 to 10°F 30-36%
0 to 10°F 30-36%