TECHNICAL DATA & SERVICE MANUAL
MTV72C5 (R407C)
MTF73C5 (R410A)
0.8180.230.1 06/2003
Страница 1: ...TECHNICAL DATA SERVICE MANUAL MTV72C5 R407C MTF73C5 R410A 0 8180 230 1 06 2003 ...
Страница 2: ...4 1 Refrigerant Flow Diagram 7 5 FUNCTION 8 5 1 Room Temperature Control 8 6 PERFORMANCE DATA 9 6 1 Performance Chart 9 7 TROUBLESHOOTING 10 7 1 The unit does not work 10 7 2 Circuit breaker trips when ON button is pressed 10 7 3 Fan motor does not work while ON button is pressed 11 7 4 Fan works at one speed only 11 7 5 Poor cooling 11 7 6 Fan motor works normally but the compressor does not oper...
Страница 3: ...Dimensions Weight Unit dimensions Height mm Width mm Depth mm Package dimensions Height mm Width mm Depth mm Volume m Weight Net kg Shipping kg Rating conditions 1 Cooling indoor air temperature 27 C d b 19 C w b 2 Dehumidification indoor air temperature 27 C d b 19 C w b 60 u r 3 Dehumidification indoor air temperature 30 C d b 27 C w b 80 u r 4 Refering data room size 100 m3 reverberation time 0...
Страница 4: ...nsions Height mm Width mm Depth mm Package dimensions Height mm Width mm Depth mm Volume m Weight Net kg Shipping kg Rating conditions 1 Cooling indoor air temperature 35 C d b 24 C w b 2 Dehumidification indoor air temperature 27 C d b 21 C w b 60 u r 3 Dehumidification indoor air temperature 30 C d b 27 C w b 80 u r 4 Refering data room size 100 m3 reverberation time 0 5 s distance 2 m Operating...
Страница 5: ... capacitor compressor C2 R407C R410A µF 15 20 VAC 450 450 Heat exchanger coil Coils Rows Fin pitch mm 1 8 R407C 1 3 R410A Face area m 0 032 R407C 0 034 R410A Heat exchanger coil Coils Rows 4 R407C 5 R410A Fin pitch mm 1 8 R407C 1 3 R410A Face area m 0 072 R407C 0 067 R410A Data subject to change without notice Ω Safety devices Run capacitor operating temp Operating temperature Thermostat Coil resi...
Страница 6: ...RESSOR CM BLUE BLU FAN MOTOR FM BROWN BRN INDICATING LAMP IL GREEN YELLOW GRN YEL SAFETY FLOAT SWITCH MS GRAY GRY OVERLOAD PROTECTOR OLR ORANGE ORG COMPRESSOR RELAY PR PINK PNK ON OFF SWITCH SW1 RED RED FAN SPEED SWITCH SW2 VIOLET VLT AMBIENT THERMOSTAT TA WHITE WHT TERMINAL BLOCK TP YELLOW YEL Legend of colors 6 ...
Страница 7: ...4 REFRIGERANT FLOW DATA 4 1 Refrigerant flow diagram 7 ...
Страница 8: ...ol is obtained by cycling the compressor ON and OFF by means of room temperature thermostat ON OFF SWITCH COMPRESSOR ON 1 5 K SET TEMPERATURE FAN SPEED SWITCH NOTE Allow 3 minutes before restarting the unit by the on off switch or thermostat knob ON ON SET SPEED 8 ...
Страница 9: ...Operating characteristics with relative humidity around 50 MTV72C5 R407C MTF73C5 R410A 2 5 3 3 5 4 18 20 22 24 26 28 30 32 34 36 Room temperature C Operating current A 2 5 3 3 5 4 18 20 22 24 26 28 30 32 34 36 Room temperature C Operating current A 9 ...
Страница 10: ...sed 1 2 MS contacts NO Check if the pilot NO Is the flickering alarm lamp is burnt lamp on the control Eventually replace it panel not visible 7 2 Circuit breaker trips when ON button is pressed Check the unit hardness NO Insulate the short Is it insulated circuit cable YES Check if the fan motor is NO Replace the fan motor working FM FM YES Check if compressor relay NO Fir electrical connections ...
Страница 11: ... continuity properly YES Check fan motor winding NO values FM Replace fan motor FM 7 5 Poor cooling Is the unit cooling capacity NO Suggest a more suitable for the room powerful unit thermal loads YES Are both air filters and heat NO Clean filters and or exchanger cleaned heat exchanger YES Check if difference bet YES ween room air temperature and outlet air delivered is up to 10 C NO Low NO gas c...
Страница 12: ...ES Check compressor Is room tempera NO The unit cannot klixon contacts ORL ture over 19 C operate below Are they open 19 C NO YES Replace the NO Check the capaci Replace the capacitor C tor capacity C thermostat YES Replace the NO Check the com YES Temperature of NO Compressor rotor compressor pressor winding compressor is locked continuity abnormally high YES Refrigerant gas Replace shortage comp...
Страница 13: ...R D 28 Reyrieux BP 131 01601 Trévoux CEDEX France Tél 04 74 00 92 92 Fax 04 74 00 42 00 R C S Bourg en Bresse B 759 200 728 ...