Before the circuit diagram, read the following carefully.Voltage measurementvoltage has been measured with a digital tester when the indoor fan is set at high fan speed under the following conditionswithout setting the timer.Use them for servicing.Voltage indication is in Red at cooling and all operations.Voltage indication is in (Red) at heating.Intake airtemperatureTemperaturesettingDischarge airtemperaturePipetemperatureCooling 27°C 16°C 17°C 15°CHeating 20°C 30°C 40°C 50°CIndications for capacitora. Unit μ .... μF P .... pFIndications for resistancea. K .... KΩ M .... MΩW .... wait Not indicated .... 1/4 WDiode without indication ............ MA165Circuit Diagram is subject to change without notice for further development.14.2.1. IndoorName Time Test Mode(When test point Short-circulated)4 way valve abnormality 4 min. 0Outdoor air temp. for Hz No. detection 30 min. 0Anti-freezing Control 6 min. 0Theorem OFF delay 3 min. 0Low pressure control ( gas leakage ) compressor OFF time 2 min. 0Time delay safety control 2 min. 58 sec. 0Odor timer status shift time 30 sec. 060 sec.Hz lock time 30 sec. 0Self diagnosis display time 10 sec. 0Auto mode judgement sampling time 58 sec. 024 hours ON / OFF timer 1 hour → 1 min.Hot start forced completion 4 min. 0Auto mode judgement interval 180 min. 180 sec.Sleep mode time shift 1 hour → 6 sec.After Hot start / Deice 2 min. 12 sec.14.2.2. OutdoorName Time Test Mode(When test point Short-circulated)DC PEAK 30 sec. 3 sec.Deice detection 120 min. 24 sec.80 min. 18 sec.40 min. 8 sec.40 min. 8 sec.Deice forced completion 11 min. 66 sec.Time delay safety control 3 min. 0Hz lock time 30 sec. 0Outdoor fan delay operation control 30 sec. 04 way valve delay operation control 3 min. 0Standy control ON 3 min. 18 sec.OFF 7 min. 42 sec.14 Electronic Circuit Diagram14.1. HOW TO USE ELECTRONIC CIRCUIT DIAGRAM14.2. TIMER TABLECS-MVG103KE / CU-MVG153KE71