TIGOR EV_ZIPTRON_SERVICE MANUAL

FATC 18 D. HEATER COIL OR PTC HEATER Electric heater (PTC heater) is used in the HVAC. It is high voltage heater and directly connected to power distribution unit. Depending on temperature requirements, heater gets ON and It gets heated up. When air from HVAC blower is passed through heater, hot air comes out from HVAC outlet. As soon as cabin temperature requirement is met, heater gets off. Request from FATC panel goes VCU to switch ON / OFF of PTC heater. Actual operation of PTC heater happens through VCU. E. PTC HEATER SENSOR Temperature sensor is placed at the discharge air side of PTC heater. It measures discharge air temperature of PTC heater and send signal to FATC. If sensor disconnected then PTC heater will not operate. 12. COMPRESSOR SPECIFICATION MODEL E26T DISPLACEMENT VOL. 26 LUBRICANT POE oil and RL68H QUANTITY 120 ± 20 cm 3 E26T compressor is electrically operated invertor type scroll compressor. Compressor speed changes based on cooling requirement. In case of cabin cooling, request goes from FATC panel to VCU to start compressor. VCU operates compressor and maintain its speed. Compressor electrical connections Low voltage (LV) connections