CT6840 temperature controller user manual, the main functions include temperature display, temperature control, compressor start delay protection, temperature probe failure can be operated according to the set on-off ratio regularly, two kinds of defrosting mode, three kinds of defrosting start mode, two kinds of defrosting end mode, defrosting drip, manual defrosting, seven kinds of fan operation mode, high and low temperature alarm, sensor abnormality alarm, one external alarm signal input, password password, real time clock, Fahrenheit centigrade conversion
