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Inside your chiller, Electrical system – Schreiber Chillers Excellon MM30AC User Manual

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SET POINT BUTTON

TEMPERATURE DISPLAY

INSIDE YOUR CHILLER

Electrical System:

• The controller is powered by 240 volt supply power as well as the chiller. The

chiller can operate at both 60Hz and 50Hz, however, there is a 15% reduction in
cooling capacity, and a 17% reduction in flow capacity at 50 Hz

• High voltage electrical components stored in the control box. Take careful

precaution when open the door. Door must be secure in place when the unit is
operating.


CONTROLLER SETTING:



Parameters overview:

The Dwyer controller has many parameters available. Only a few will ever need
to be adjusted by the user. All other necessary parameters are pre-programmed
by the factory. If needed, call factory to obtain further details.

Parameter Function
SP

Cooling Set point

R0 Cooling

Differential

R1

Lower Value Set Point

R2

Higher Value Set Point




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