Models 3.2 - 13.2, controller µchiller
Blue Box - Page 57
Figure 15
Figure 17
Figure 16
6 UNIT WITH mCHILLER MICROPROCESSOR (models from 3.2 to 13.2)
6.1 INTRODUCTION
“mCHILLER” is an electronic microprocessor system designed to control all the unit’s functions.
The terminal is equipped with five LEDs indicating the operating status of the machine (summer/winter), the
compressor status (On/Off) and indication of the compressors/pump hour counter after the first 100 hours of
operation. An internal beeper (which can be inhibited by means of a microswitch or a parameter) sounds to warn
of machine operating anomalies.
6.1.1 Display
The display comprises three digits with automatic display of the decimal point. During normal operation the
display shows the value of the evaporator inlet water temperature.
“mCHILLER” can be connected to a computer, by means of an optional electronic board, making available
remote supervision and telediagnostic services for complete management, supervision and diagnostics of the
systems from a remote location.
6.1.2 Machine status information
Machine status information is shown by five LEDs on the remote control display (figure 16).
6.1.3 Keypad
The keypad allows machine operating parameters to be programmed. The wall-mounted version features an
extended number of keys to facilitate use. The function of each key is illustrated on the following pages.
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