Tecumseh AJA7490ZXDHN Performance Data Sheet
Contents
1. TECUMSEH HERMETIC CONDENSING UNIT AJA7490ZXDHN TPC__ preliminary October 19 2011 Model AJA7490ZXDHN BOM 32L1801 2E Air Cooled 1 HP Application Medium Temp Refrigerant R404A f l Z ane 25 50 23 50 qe e f 26 08 SUCTION 5 8 LIQUID 3 8 Dim Enclosure inch Line connections Pumpdown Airflow QCh Gross sveg pu a Ta ner omw e EI MOZO oalon se se me mm II Endosure Mounting Holes 38 5 x 25 5 Factory charge 20 psig dry air MUST BE EVACUATED Model Ambient Temeratures 95 F o TL a Co 4600 MEA A E A 20013 19 5600 1430 256 106 5100 1420 274 110 00 ge S 00190105 Zi 6000 1590 319 122 7000 8100 1780 328 12 Performance 60 Hz Return Gas Temperature 20 F max superheat above 20 F evap 40 F max below 20 F evap SubCooling 5 F PRELIMINARY PERFORMANCE DATA AJA7490ZXDHN TPC__ preliminary October 19 2011 Unit BON 1 1801 21 Fan Motor 810F050C20 Fix Fan Switch 1 F opt Unit MODEL Refrigeration RANGE Design Pressure Low Design Pressure High Volts HZ Ph Voltage Range Min Circuit Ampacity Max Fuse Size Compressor MODEL Compressor BOM Compressor LRA Compressor RLA AJA7490ZXDHN 10F to 35F 181 450 208 230V 60HZ 187 254 10 70 15 AJA7490ZXD AJ779ET 361 44 40 6 6 90 Fan Motor Q2. an Guard High Pressure switch Liquid Valve 2 Fan Motor RLA 0 7 an Blade 51568 1 70831 Shroud 70648 2 DAA PR 84095 2L Low Pressure Control 84026 2 Dual Pressure Conrol eee A Condenser 50855 1 Head Master Valve 70083 1 Check Valve 566 56500 K06 OverLoad 8300MRAC37 Suction Valve 56500 K10 Relay 14948497 Run Capacitor 85PR370F21 Receiver 51099 2L Run Capacitor Rating 45 MPD 370 V Receiver Qty 1 Start Capacitor Start Capacitor Rating Contactor Unit Drawing Wiring Diagram 85PS330024 88 108 MFD 330 V 91014B DGU1 758 1101 WD21 2XT2 Accumulator Liquid Filter 70081 3 Sight Glass 70084 Suction Filter 70822 6S PO CrankCase Heater 92123 1 Defrost Clock Tn option Defrost Heaters Contactor Rec Heater R option Solenoid Valve loose Disconnect D option Wiring with F option Wiring with A option Fix Fan Switch 2 F opt Adijus Fan Ctrl A opt W0D21 2AT2 BOM INDEX DESCRIPTION 32xYYYY 2 E Endosure R Receiver Heater A Adjustable fan control F Fixed fan Control T1 Defrost timer option TnDS D Disconnect T2 Defrost timer amp Defrost Heaters Contactor S Solenoid liquid Valve supplied loose FIELD INSTALLED POWER SUPPLY 230 60 1 COMPRESSOR TERMINAL 7 sernost contactor con SOLENOID amp THERMOSTAT ROOM THERMOSTAT IMPORTANT
3. COMPRESSOR EQUIPPED WITH AN INTERNAL OVERLOAD PROTECTOR ALLOW TII ME FOR RESET USE COPPER CONDUCTORS ONLY EMPLOYER DES CONDUCTEUERS DE CUIVER YELLOW SEULEMENT RECEIVER TERMINAL S J EZ Ss Sy a HEATER BOARD st Omo O 91 0 A MERMOSTAT JO d secado ds H ak ha A COMPRESSOR z d E A SONTACTOR Gi a A aN A 13 dor ae gee DEFROST A BLACK y AN CAPACITOR tawy ji WITH BLEEDER NDS R RED ISTOR RUN NOTES FIELD WIRING NOTES APPLICABLE LOCAL AND NATIONAL CODES TO L1 AND L3 IN COMPRESSOR CONTACTOR L1 CONTACTOR OR TO L1 AND L3 IN DISCONNECT USE COOPER CONDUCTORS ONLY EMPLOYER CONDUCTOR USE 75 C MIN WIRING CONTROLLING DEVICE IS INSTALLED gt GENERAL NOTES PANEL AS SHOWN B WITH ANY T P Co APPROVED START RELAY USED ALLOW TIME FOR RESET AFC ADJUSTABLE FAN CONTROL LOW PRESSURE CONTROL HP HIGH PRESSURE SWITCH FACTORY COMPONENTS OPTIONAL FACTORY COMPONE OPTIONAL FIELD COMPONENTS Adjustable fan control T1 2 T2 defrost options YELLOW B WD21 2 REVISION g g E ALL FIELD WIRING MUST BE DONE IN COMPLIANCE WITH ALL CONNECT INCOMING POWER LEADS FROM POWER SUPPLY DE CUIVER SEULEMENT PROVIDE EQUIPMENT GROUNDING PLACE JUMPER ACCROSS P1 AND L1 IN TERMINAL BOARD IF NO OTHER DEFROST HEATERS LOADS SHOULD NOT BE HIGHER THEN THE MAXIMUM HEATERS LOAD INDICATED ON THE UNIT LABEL A CONTA
4. CTOR COIL CIRCUIT IS FACTORY CONNECTED TO 230 V SOURCE IN SAME NUMBERED TERMINALS REGARDLESS OF LOCATION C COMPRESSOR EQUIPPED WITH AN INTERNAL OVERLOAD PROTECTOR CONDENSING UNIT WIRING 230V 60Hz 1 Ph AND L2 IF TWO POLE SWITCH IF PROVIDED DES CONDUCTEURS j CONNECT LEADS TO NTS AT2
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