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Page 30 of 86 SSC Series Central Chilling Stations
4-8 High Pressure Cutout
This electro-mechanical safety feature opens the control circuit if
the system condensing pressure exceeds a safe level.
High pressure cutout setting
Model psi kPa bars
SSC Series water-cooled chilling stations 290 psi 2,000 kPa 20 bars
SSC Series remote air-cooled chilling stations 375 psi 2,586 kPa 26 bars
Important!
The high pressure cutout is a manual reset control,
so you should reset it once.
If the problem persists, call a refrigeration service technician
to analyze the problem and to reset the control.
4-9 Low Pressure Cutout
This encapsulated switch safety feature prevents the compressor
suction pressure from dropping below a pre-set point. It is factory
set to open the control circuit when pressure drops below a safe
level. The chiller will need to be restarted when the suction
pressure reaches above 65 psi (448.2 kPa/4.5 bars).
Opens control circuit @ Resets control circuit @
Model psi kPa bars psi kPa bars
SSC Series water-cooled chilling stations 15 psi
103.4 kPa
1.0 bars
30 psi
206.9 kPa
2.1 bars
SSC Series remote air-cooled chilling
stations
15 psi
103.4 kPa
1.0 bars
30 psi
206.9 kPa
2.1 bars
4-10 Flow Switch
The flow switch shuts down the chiller if the evaporator water flow
falls below a safe operating gallons-per-minute (liters-per-minute)
flow rate.