... ,9KW,15KW,22KW,28KW,33KW,39KW,44KW.Auxiliary power source: 220VACnput signal: 4~20mA,1~5VDC,2~10VDC,0~20mA, ... packaged instruction with less dimension, easy for installation and wiring.3.The causes of malfunctions can be indicated by individual LED ... . We recommend mounting a ventilating fan in the control panel.3.Do not install the unit in the space with high ...