Tecumseh AJA7490ZXDHN Performance Data Sheet

TECUMSEH HERMETIC

CONDENSING UNIT

Model AJA7490ZXDHN BOM 32L1801-2E

Air Cooled 1 HP Application Medium Temp

AJA7490ZXDHN

TPC___preliminary

October 19, 2011

Refrigerant R404A

36.25

35.38

23.5025.50

Model

AJ A 7 49 0ZX DH N

*) Enclosure Mounting Holes, 38.5 x 25.5 Factory charge 20 psig dry air,

Evaporator

Psig BTUH Watts Head Cond T BTUH Watts Head Cond T BTUH Watts Head Cond T BTUH Watts Head Cond T

-10 23.2 490 0 129 0 203 89 38 00 12 50 251 1 04 3400 1230 269 109 2500 1160 308 119

-5 27.5 5800 1360 205 90 4600 1340 253 105 4200 1330 271 110 3200 1280 309 119 0 32.1 6800 143 0 208 91 56 00 14 30 256 1 06 5 100 142 0 27 4 110 41 00 1390 3 12 1 20 5 37.0 7800 149 0 212 92 65 00 15 10 260 1 07 6 000 151 0 27 8 111 50 00 1490 3 15 1 21

10 42.4 8900 1550 215 94 7500 1590 264 108 7000 1590 282 113 6000 1590 319 122 15 48.2 1000 0 1610 22 0 95 8600 16 60 2 69 109 8 10 0 1670 28 7 11 4 7000 16 90 323 1 23 20 54.5 1110 0 1670 22 4 97 9700 17 40 2 74 111 9 10 0 1750 29 2 11 5 8100 17 80 328 1 24 25 61.2 12200 1740 229 98 10800 1810 280 112 10200 1840 298 117 9200 1870 334 126 30 68.4 1330 0 1810 23 5 100 119 00 1890 2 86 1 14 1140 0 1920 30 4 119 1 0300 1970 3 41 1 27 35 76.1 1440 0 1890 24 1 102 130 00 1980 2 93 1 16 1250 0 2010 31 1 120 1 1400 2070 3 48 1 29

Performance @ 60 Hz ; Return Gas Temperature 20

Dim . En closu re(inch)* Line co nn ection s Pum pd ow n

LWH

31.50 40.50 26.75

MUST BE EVACUATED

F95

26.08

4.36

SUCTION 5/8"

LIQUID 3/8"

Suction Liquid

5/8 3/8 20.16

Ambient Temeratures

F100

F ma x su pe rhe at abov e 20oF ev ap , 40oF max below 20oF evap ; --- SubCooling 5oF

90% @ 90

Air flow Oil Ch . Gros s w e ig ht

SCFM Oz. Lbs.

1800 22 300

F110

PRELIMINARY PERFORMANCE DATA

AJA7490ZXDHN

TPC___preliminary October 19, 2011

Parts/Specifications

STANDARD OPTIONAL

Unit BOM 32L1801-2E Unit MODEL AJA7490ZXDHN

Refrigeration RANGE -10°F to 35°F Fan Blade 51568-1 Design Pressure Low 181 Fan Guard 70831 Defrost Clock (Tn option) Design Pressure High 450 Shroud 70648-2 Defrost Heaters Contactor Volts - HZ - Ph 208-230V ~ 60HZ Voltag e R a ng e 187 - 25 4 High P res sure switc h 8409 5-2L Rec. H ea ter (R option) Min. C ircuit Am p acity 10.70 Low P ressu re C o ntrol 84 026 -2 Solenoid Va lve (loo se) Ma x. Fu se S ize 15 Dua l Pres sure Conrol Discon ne ct (D o ption)

Com p ress or M O D E L AJ A 74 90 ZX D Con de ns er 50855-1 Wiring with F op tion W D 2 1-2A T 2 Com p ress or B O M AJ77 9E T -361 -A 4 Hea d M a ster V alv e 70083-1 Wiring w ith A option Com p ress or LR A 40.6 Che ck V alve 5662 6 Compressor RLA 6.90 Process Valve

Ove rLo ad 8300M R A C 37 S uction Valve 56 50 0-K 10 Relay 14948497 Run Capacitor 85PR370F21 Receiver 51099-2L Run C ap acitor R ating 45 M FD, 370 V Receive r Qty 1 Start Capacitor 85PS330C24 Accumulator Start Ca pa citor R ating 88-10 8 MFD, 3 30 V Liq uid F ilter 70081-3 Contactor 91014B Sight Glass 70084

Unit D raw ing D G U 1758-L10 1 Wiring Diagram WD21-2XT2 CrankCase Heater 92123-1

Fan Moto

810F050C20 Fix.Fan Switch #1 (F opt.)84132-01 Fan Motor Qty 2 Fix.Fan Switch #2 (F opt.) Fan Motor RLA 0.7 Adjus. Fa n C trl. (A op t.)

BOM INDEX DESCRIPTION

Liquid Valve 56500-K06

32xYYYY- 2ERA(F)TnDS

E Enclosure R Receiver Heater A Adjustable fan control F Fixe d fan Co ntrol T1 De frost timer op tion T2 Defrost timer & Defrost Heaters Contactor

Suction Filter 70822-6S

D Disco nn ect S Solen o id liquid Valve (sup plied loose )

FIELD INSTALLED SOLENOID & THERMOSTAT

POWER SUPPLY

230-60-1

COMPRESSOR

TERMINAL

Solenoid

Valve

DEFROST HEATERS

CONTACTOR COIL

L3L2T3

L1 T1

GRD

COMPRESSOR

CONTACTOR COIL

see note A

ROOM

THERMOSTAT

COMPRESSOR CONTACTO R

NC AUXILIARY SWITCH

RECEIVER

HEATER

CRANK CASE

HEATER

BLACK

RED

YELLOW

DEFROST CONTROL RANCO 8145-xx PRECISION 6145-xx

HP LP

TERMINAL

HEATER

THERMOSTAT

COMPRESSOR

CONTACTOR

BOARD

T1L1T2

L2 L3 T3T1 F1 F2

IMPORTANT: COMPRESSOR EQUIPPED WITH AN INTERNAL OVERLOAD

PROTECTOR. ALLOW TIME FOR RESET. USE COPPER CONDUCTORS ONLY. (EMPLOYER DES CONDUCTEUERS DE CUIVER SEULEMENT.)

FAN 1

FAN 2

AFC

POTENTIAL RELAY

see note B

T1T3

BLACK RED YELLOW

T2L2T3

DEFROST HEATERS

CONTACTOR

START

CAPACITOR

WITH BLEEDER

RESISTOR

CAPACITOR

RUN

NOTES

FIELD WIRING NOTES

1. ALL FIELD WIRING MU ST BE DONE IN COMPLIANCE WITH ALL APPLICABLE LOCAL AND NATIONAL CODES.

2. CONNECT INCOMING POWER LEADS FROM POWER SUPPLY TO L1 AND L3 IN COMPRESSOR CONTACTOR (L1 AND L2 IF TWO POLE CONTACTOR) OR TO L1 AND L3 IN DISCONNECT SWITCH (IF PROVIDED). USE COOPER CONDUCTORS ONLY. (EMPLOYER DES CONDUCTEURS DE CUIVER SEULEMENT.) PROVIDE EQUIPMENT GROUNDING CONDUCTOR. USE 75°C (MIN.) WIRING

3. PLACE JUMPER ACCROSS P1 AND L1 IN TERMINAL BOARD IF NO OTHER CONTROLLING DEVICE IS INSTALLED.

4. DEFROST HEATERS LOADS SHOULD NOT BE HIGHER THEN THE MAXIMUM HEATERS LOAD INDICATED ON THE UNIT LABEL.

GENERAL NOTES:

A. CONTACTOR COIL CIRCUIT IS FACTORY CONNECTED TO 230 V SOURCE IN PANEL AS SHOWN B. WITH ANY T.P.Co. APPROVED START RELAY USED, CONNECT LEADS TO SAME NUMBERED TERMINALS REGARDLESS OF LOCATION C. COMPRESSOR EQUIPPED WITH AN INTERNAL OVERLOAD PROTECTOR. ALLOW TIME FOR RESET.

AFC

ADJUSTABLE FAN CONTROL

LOW PRESSURE CONTROL

HIGH PRESSURE SWITCH

FACTORY COMPONENTS

OPTIONAL FACTORY COMPONENTS

OPTIONAL FIELD COMPONENTS

CONDENSING UNIT WIRING, 230V 60Hz 1 Ph, Adjustable fan control, T1 & T2 defrost options

WD21-2AT2

REVISION

NOV 06, 2009