Packaged Glycol Chiller Systems |
17
OPERATING AND SAFETY CONTROL SET POINT GUIDE
Below you wil
l fi nd all our standard electrical controls listed with
the reco
mmended settings at diff erent operating conditions.
Th
ese settings are based on systems using Refrigerant R404A
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
GLYCOL
FREEZE
CONTROL
CUT IN
CUT OUT
TEMP
POINT
GLYCOL %
High Pressure Control
400 psi
25 °F
0 to -10°F
36-42%
Low Pressure Control
30 psi
10 psi
25 °F
0 to -10°F
36-42%
Freeze Control ( PENN P29NC-3)
30 psi
25 °F
0 to -10°F
36-42%
High Pressure Control
400 psi
30 °F
0 to 5°F
33-36%
Low Pressure Control
30 psi
10 psi
30 °F
0 to 5°F
33-36%
Freeze Control ( PENN P29NC-3)
35 psi
30 °F
0 to 5°F
33-36%
High Pressure Safety
400 psi
35 °F
0 to 5°F
33-36%
Low Pressure Control
30 psi
10 psi
35 °F
0 to 5°F
33-36%
Freeze Control ( PENN P29NC-3)
35 psi
35 °F
0 to 5°F
33-36%
High Pressure Safety
400 psi
40 °F
0 to 10°F
30-36%
Low Pressure Control
30 psi
10 psi
40 °F
0 to 10°F
30-36%
Freeze Control ( PENN P29NC-3)
40 psi
40 °F
0 to 10°F
30-36%
