Tecumseh Compressor Company
Indoor Condensing Unit
Model: VSC9524XNAXM
BoM: 2B3279-1
Air Cooled: 3 HP
Application: Commercial Temp
Refrigerant: R-404A/R-507/R-22/R-134a/R-407A/R-407F
Voltage: 208-230/60/1
June 16, 2016
Revision: A
Refrigerant
R404A/R507
R22
R134a
R407A
R407F
* F = Flare, S = Solder, RF or RS = Rotolock with Flare or Solder Connections, C = Compression Fitting
33.8 25.0 19.5 18.3 5/8” S 3/8” S
Dimensions, inches Line Connection* Pumpdown Air Oil Ch Gr. Wt.
L W H CH Suction Liquid
90 F 90%
17.9 lbs
20.6 lbs
20.9 lbs
19.7 lbs
19.2 lbs
Units are Factory Charged with 20 psig of dry air. MUST BE EVACUATED.
SCFM Oz. Lbs.
1800 36 305
June 16, 2016
Revision: A
VSC9524XNAXM R404A / R507 Performance
Performance @ 60Hz, Return Gas 400F Below 200F Evaporator and 650F above 200F Evaporator, Sub cooling 50F
Ambient Temperatures
Evaporator T
°F PSIG BTUH Watts Cond T BTUH Watts Cond T BTUH Watts Cond T BTUH Watts Cond T
-10 23.2 13800 2830 88 13000 3150 98 12100 3440 108 10900 3720 118
-5 27.5 15000 2850 89 14100 3170 99 13000 3470 109 11700 3760 119
0 32.1 16700 2880 90 15500 3210 100 14300 3510 110 12800 3810 120
5 37.0 18700 2920 91 17400 3250 101 15900 3560 111 14300 3860 120
10 42.4 21100 2980 92 19600 3310 102 17900 3620 112 16100 3930 121
15 48.2 23800 3030 93 22000 3360 103 20100 3680 113 18100 4000 122
20 54.5 26800 3100 94 24700 3430 104 22500 3750 114 20300 4060 123
25 61.2 29900 3160 96 27500 3490 105 25100 3810 115 22600 4130 124
30 68.4 33100 3220 97 30400 3550 106 27700 3870 116 25000 4200 125
35 76.1 36400 3280 99 33400 3610 108 30400 3930 117 27400 4260 127
40 84.4 39700 3340 100 36300 3660 109 33000 3980 119 29700 4310 128
80F 90F 100F 110F
VSC9524XNAXM R22 Performance
Performance @ 60Hz, Suction Superheat (MAX) 200F, Sub cooling 50F
Ambient Temperatures
Evaporator T
°F PSIG BTUH Watts Cond T BTUH Watts Cond T BTUH Watts Cond T BTUH Watts Cond T
-10 16.7 11300 2310 88 10500 2510 97
-5 20.3 12800 2360 89 11900 2560 98
0 24.2 14300 2410 90 13400 2600 99 12400 2810 109
5 28.5 16100 2450 91 15200 2650 101 14100 2860 110 12900 3080 119
10 33.0 18000 2500 93 17000 2700 102 15900 2910 111 14700 3140 120
15 38.0 20100 2550 94 19100 2740 103 17900 2960 112 16700 3190 122
20 43.3 22500 2600 96 21400 2790 105 20100 3010 114 18800 3250 123
25 49.0 25000 2650 98 23800 2840 106 22500 3060 115 21100 3310 124
30 55.2 27800 2710 99 26500 2900 108 25100 3120 117 23600 3370 126
35 61.7 30900 2770 101 29500 2960 110 28000 3180 119 26400 3440 127
40 68.8 34200 2830 104 32700 3030 112 31100 3250 121 29400 3510 129
80F 90F 100F 110F
EC72649
June 16, 2016
Revision: A
VSC9524XNAXM R134a Performance
Performance @ 60Hz, Suction Superheat (MAX) 200F, Sub cooling 50F
Ambient Temperatures
Evaporator T
°F PSIG BTUH Watts Cond T BTUH Watts Cond T BTUH Watts Cond T BTUH Watts Cond T
10 12.1 12200 1850 90 11400 1980 99 10700 2110 108 9800 2250 118
15 15.2 13800 1890 91 13100 2020 100 12300 2160 110 11400 2310 119
20 18.6 15600 1920 92 14800 2060 102 14000 2210 111 13100 2370 120
25 22.3 17600 1960 94 16700 2100 103 15800 2250 112 14800 2420 121
30 26.3 19600 1990 96 18700 2140 105 17700 2290 114 16700 2470 123
35 30.6 21800 2030 97 20800 2170 106 19800 2340 115 18700 2510 124
40 35.2 24100 2070 99 23100 2210 108 21900 2380 117 20800 2550 126
45 40.2 26600 2110 101 25400 2250 110 24200 2420 118 23000 2600 127
50 45.6 29200 2150 103 27900 2300 112 26600 2460 120 25300 2640 129
80F 90F 100F 110F
VSC9524XNAXM R407A Performance
Performance @ 60Hz, Suction Superheat (MAX) 180F, Sub cooling 50F
Ambient Temperatures
Evaporator T
°F PSIG BTUH Watts Cond T BTUH Watts Cond T BTUH Watts Cond T BTUH Watts Cond T
-10 23.4 11000 2630 94 10100 2890 103
-5 27.7 12600 2670 95 11600 2920 104
0 32.4 14300 2710 96 13300 2970 105 12200 3280 114
5 37.5 16200 2760 98 15100 3020 107 13900 3330 115
10 43.0 18300 2810 99 17000 3070 108 15700 3380 117 14400 3750 125
15 48.9 20500 2870 101 19100 3130 109 17700 3450 118 16300 3810 126
20 55.3 22800 2940 102 21400 3200 111 19800 3520 119 18300 3880 128
25 62.2 25400 3010 104 23800 3280 112 22200 3590 121 20500 3960 129
30 69.5 28100 3080 106 26400 3360 114 24600 3670 122 22800 4040 130
35 77.4 31000 3170 108 29200 3440 116 27300 3760 124 25300 4140 132
40 85.8 34100 3250 110 32100 3530 118 30100 3860 125 28000 4230 133
80F 90F 100F 110F
EC72649
June 16, 2016
Revision: A
VSC9524XNAXM R407A Performance
Performance @ 60Hz, Suction Superheat (MAX) 180F, Sub cooling 50F
Ambient Temperatures
Evaporator T
°F PSIG BTUH Watts Cond T BTUH Watts Cond T BTUH Watts Cond T BTUH Watts Cond T
-10 25.3 12400 2640 89
-5 29.8 14200 2680 90 13100 2940 99
0 34.7 16100 2720 91 15000 2980 101
5 40.0 18200 2770 93 17000 3030 102 15700 3350 111
10 45.8 20400 2820 94 19100 3080 103 17700 3400 112
15 52.0 22900 2870 96 21400 3140 105 20000 3470 113 18400 3850 122
20 58.7 25500 2930 97 23900 3200 106 22300 3530 115 20700 3920 124
25 65.8 28300 3000 99 26600 3270 108 24900 3600 116 23100 3990 125
30 73.5 31300 3070 101 29500 3350 109 27600 3680 118 25700 4080 126
35 81.7 34500 3140 103 32500 3430 111 30500 3770 119 28500 4160 128
40 90.5 37900 3230 105 35800 3520 113 33700 3860 121
80F 90F 100F 110F
EC72649
June 16, 2016
Revision: A
Specifications/ Parts:
Unit Model VSC9524XNAXM
Unit Bill of Material 2B3279-1
Check Valve N/A
Refrigeration Range -10° F to +45° F Discharge Valve 31527-2
Design Pressure Low 181 Liquid Valve 31592
Design Pressure High 450 Suction Valve 31531-1
Nominal Volts-Hz-Ph 208-230/60/1
Voltage Range 197 - 254 Receiver Tank 51082-1K
Min. Circuit Ampacity 22.3 Accumulator TK00045000
Max. Fuse Size (amps) 35 Liquid Filter N/A
Sight Glass N/A
Compressor Model VSC9521XNA Suction Filter N/A
Comp. Bill of Material VS222ET-103-J7
Compressor RLA/LRA 16.7/97 Unit Drawing DGU1950-16
Overload Internal Wiring Diagram WD21-T001
Relay N/A
Run Capacitor 85PR370F21 Replacement Kit: Relay N/A
Start Capacitor N/A Replacement Kit: O/L N/A
Contactor 91014H Replacement Kit: St. Cap N/A
Fan Motor 810F050C20 (2)
Fan Motor RLA .7
Fan Blade 51568-1 (2)
Fan Shroud 70648-2
Fan Guard 70831 (2)
Condenser 50858-1
High Pressure Switch 84095-2
Low Pressure Control 84026-2
Electrical Diagram
EC72649
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