LTE-512B is a refrigeration only controller with the off cyde de frost mode, defrost
time adjustable. it could also be set as heafing only.
Re trigeration relay: under the condition that the protection delay time has finished.
when the measured temperature is higher than set te mperature value+Hystere sis,
the compressor will start .Jf it is lower than set value, the compressor will stop.Under
the heating mode, when the mea sured temperature





