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Tecumseh Compressor Company
Indoor Condensing Unit
Model: VSC9529XNAXM
BoM: 2B3281-1
Air Cooled: 4 HP
Application: Commercial Temp
Refrigerant: R-404A/R-507/R-22/R-134a/R-407A/R-407F
Voltage: 208-230/60/1
June 17, 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
44.9 28.6 26.9 18.6 7/8” S 1/2” S
Dimensions, inches Line Connection* Pumpdown Air Oil Ch Gr. Wt.
L W H CH Suction Liquid
90 F 90%
32 lbs
37 lbs
37.4 lbs
35.2 lbs
34.3 lbs
Units are Factory Charged with 20 psig of dry air. MUST BE EVACUATED.
SCFM Oz. Lbs.
4200 36 220
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June 17, 2016
Revision: A
VSC9529XNAXM 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 17200 3410 90 16000 3920 100 14300 4380 109 12500 4810 119
-5 27.5 18600 3380 91 17300 3900 100 15600 4360 110 13700 4800 120
0 32.1 20600 3390 91 19200 3900 101 17300 4370 111 15300 4820 121
5 37.0 23100 3410 92 21400 3930 102 19400 4400 112 17200 4850 122
10 42.4 25900 3460 93 24100 3970 103 21900 4450 113 19500 4910 123
15 48.2 29100 3520 95 27000 4030 104 24600 4510 114 22100 4970 124
20 54.5 32500 3600 96 30200 4110 105 27500 4580 115 24800 5050 125
25 61.2 36100 3690 97 33400 4190 107 30500 4670 116 27600 5130 126
30 68.4 39700 3800 99 36800 4290 108 33600 4760 118 30400 5220 127
35 76.1 43400 3900 100 40200 4390 110 36700 4850 119 33200 5310 128
40 84.4 47100 4020 102 43500 4490 111 39700 4950 120 35800 5400 130
80F 90F 100F 110F
VSC9529XNAXM 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 12700 2680 89 11700 2900 98
-5 20.3 14500 2730 90 13500 2970 100
0 24.2 16500 2800 92 15500 3050 101 14500 3310 110
5 28.5 18700 2870 93 17700 3130 103 16600 3400 112 15300 3690 121
10 33.0 21200 2950 95 20100 3220 104 18900 3500 113 17600 3800 122
15 38.0 23800 3040 97 22700 3310 106 21400 3600 115 20000 3910 124
20 43.3 26700 3120 99 25500 3400 108 24200 3700 117 22700 4030 125
25 49.0 29900 3210 101 28600 3490 110 27100 3800 119 25500 4140 127
30 55.2 33400 3310 103 31900 3590 112 30300 3900 120 28600 4250 129
35 61.7 37100 3400 106 35500 3680 114 33800 4000 123 31900 4350 131
40 68.8 41200 3490 108 39400 3780 117 37500 4100 125 35500 4460 133
80F 90F 100F 110F
EC72649
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June 17, 2016
Revision: A
VSC9529XNAXM 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 14800 2150 92 14000 2300 101 13000 2460 110 12100 2640 120
15 15.2 16800 2190 93 15900 2350 102 14900 2520 112 13900 2710 121
20 18.6 19000 2230 95 18000 2400 104 16900 2580 113 15800 2780 122
25 22.3 21300 2290 97 20200 2460 106 19100 2650 115 17900 2850 124
30 26.3 23800 2340 99 22600 2520 108 21400 2710 117 20100 2920 126
35 30.6 26400 2400 101 25200 2580 110 23900 2780 119 22500 2990 127
40 35.2 29200 2470 104 27900 2650 112 26500 2850 120 25000 3070 129
45 40.2 32100 2530 106 30700 2710 114 29200 2910 122 27700 3130 131
50 45.6 35200 2600 108 33700 2780 116 32100 2980 124 30400 3200 133
80F 90F 100F 110F
VSC9529XNAXM 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 13200 3030 96
-5 27.7 15100 3080 97 13800 3420 106
0 32.4 17200 3140 98 15800 3470 108
5 37.5 19400 3210 100 17900 3540 109 16600 3880 117
10 43.0 21800 3290 102 20200 3620 111 18800 3960 118 17100 4430 127
15 48.9 24300 3380 104 22700 3700 112 21200 4050 120 19200 4520 129
20 55.3 27100 3480 106 25300 3790 114 23700 4140 121 21600 4620 130
25 62.2 30000 3580 108 28200 3890 116 26500 4230 123 24200 4720 132
30 69.5 33200 3680 110 31300 3990 117 29400 4330 124 27000 4820 133
35 77.4 36600 3790 112 34600 4090 119 32600 4430 126 30000 4930 134
40 85.8 40200 3890 114 38200 4190 121 36100 4530 127 33300 5030 136
80F 90F 100F 110F
EC72649
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June 17, 2016
Revision: A
VSC9529XNAXM R407F 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 14900 3060 91
-5 29.8 17000 3110 92
0 34.7 19300 3170 94 17900 3480 103
5 40.0 21800 3230 95 20300 3540 104 18800 3920 113
10 45.8 24400 3300 97 22800 3620 106 21200 4000 114
15 52.0 27300 3370 99 25600 3700 107 23800 4090 116 22000 4540 125
20 58.7 30300 3450 101 28500 3780 109 26600 4180 117 24600 4640 126
25 65.8 33600 3540 102 31700 3880 111 29600 4280 119 27500 4740 127
30 73.5 37100 3640 105 35000 3980 113 32800 4390 121 30500 4850 129
35 81.7 40800 3750 107 38600 4090 115 36200 4500 123
40 90.5 44800 3860 109 42400 4210 117 39800 4630 124
80F 90F 100F 110F
EC72649
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June 17, 2016
Revision: A
Specifications/ Parts:
Unit Model VSC9529XNAXM
Unit Bill of Material 2B3281-1
Check Valve N/A
Refrigeration Range -10° F to +45° F Discharge Valve 31527-2
Design Pressure Low 181 Liquid Valve 56596
Design Pressure High 450 Suction Valve 31529-1
Nominal Volts-Hz-Ph 208-230/60/1
Voltage Range 197 - 254 Receiver Tank 51084
Min. Circuit Ampacity 30.1 Accumulator TK00046000
Max. Fuse Size (amps) 50 Liquid Filter N/A
Sight Glass N/A
Compressor Model VSC9526XNA Suction Filter N/A
Comp. Bill of Material VS223ET-103-J7
Compressor RLA/LRA 21/115 Unit Drawing DGU1950-18
Overload Internal Wiring Diagram WD21-T001
Relay N/A
Run Capacitor 85PR370F29 Replacement Kit: Relay N/A
Start Capacitor N/A Replacement Kit: O/L N/A
Contactor 91012H Replacement Kit: St. Cap N/A
Fan Motor 810S186B40 (2)
Fan Motor RLA 1.90
Fan Blade 51528-3 (2)
Fan Shroud 70611-1
Fan Guard 70832 (2)
Condenser 50785-4
High Pressure Switch 84095-2
Low Pressure Control 84026-2
Electrical Diagram
EC72649
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