Outdoor air
Combination
temp.
(%)
TC
°F DB °F WB
MBh
-12.6
-13.0
238.6
-7.0
-7.6
259.9
-4.0
-4.4
272.7
0.0
-0.4
288.0
5.0
4.5
307.2
10.0
9.0
328.3
15.0
14.0
346.7
20.0
19.0
374.7
100%
25.0
23.0
398.5
30.0
28.0
417.6
35.0
32.0
424.5
40.0
36.0
424.5
45.0
41.0
424.5
47.0
43.0
424.5
50.0
46.0
424.5
55.0
51.0
424.5
60.0
56.0
424.5
-12.6
-13.0
237.6
-7.0
-7.6
258.8
-4.0
-4.4
271.6
0.0
-0.4
288.0
5.0
4.5
307.2
10.0
9.0
328.3
15.0
14.0
346.7
20.0
19.0
383.8
90%
25.0
23.0
389.3
30.0
28.0
389.3
35.0
32.0
389.3
40.0
36.0
389.3
45.0
41.0
389.3
47.0
43.0
389.3
50.0
46.0
389.3
55.0
51.0
389.3
60.0
56.0
389.3
-12.6
-13.0
236.6
-7.0
-7.6
257.7
-4.0
-4.4
270.4
0.0
-0.4
286.6
5.0
4.5
306.9
10.0
9.0
336.9
15.0
14.0
348.2
20.0
19.0
348.2
80%
25.0
23.0
348.2
30.0
28.0
348.2
35.0
32.0
348.2
40.0
36.0
348.2
45.0
41.0
348.2
47.0
43.0
348.2
50.0
46.0
348.2
55.0
51.0
348.2
60.0
56.0
348.2
TC = Total Capacity (MBh).
PI = Power Input (kW) (includes compressor and outdoor fan).
The System Combination Ratio must be between 50–130%.
Nominal capacity as rated: 0 ft. above sea level with 25 ft. of refrigerant piping.
0 ft. level difference between outdoor and indoor units.
59
61
64
PI
TC
PI
TC
kW
MBh
kW
MBh
22.2
238.6
23.21
238.6
24.45
259.9
25.46
259.9
25.81
272.7
26.81
272.7
27.48
287.5
28.48
286.6
29.57
307.2
30.57
307.2
31.66
327.5
32.66
326.2
33.71
346.7
34.71
346.7
36.29
373.2
36.84
371.2
38.73
392.9
37.14
384.5
36.08
404.9
34.75
385.8
33.43
409.1
32.37
385.8
30.79
409.1
29.97
385.8
28.20
409.1
27.63
385.8
27.46
409.1
26.89
385.8
26.45
409.1
25.90
385.8
24.82
409.1
24.31
385.8
23.08
409.1
22.61
385.8
21.98
237.6
22.72
237.6
24.23
258.8
24.99
258.8
25.58
271.6
26.34
271.6
27.26
287.5
28.01
286.6
29.35
307.2
30.10
307.2
31.44
327.5
32.19
326.2
33.49
346.7
34.24
346.7
36.60
371.2
35.86
352.4
34.43
374.5
33.73
352.4
32.26
374.5
31.61
352.4
30.08
374.5
29.47
352.4
27.91
374.5
27.35
352.4
25.77
374.5
25.25
352.4
25.08
374.5
24.58
352.4
24.16
374.5
23.68
352.4
22.67
374.5
22.22
352.4
21.08
374.5
20.67
352.4
19.11
236.6
19.76
236.6
21.37
257.7
22.02
257.7
22.72
270.4
23.37
270.4
24.39
286.6
25.04
286.6
26.49
306.9
27.14
306.9
28.57
328.6
29.22
316.1
30.91
335.4
31.28
316.1
31.35
335.4
30.80
316.1
29.46
335.4
28.93
316.1
27.57
335.4
27.07
316.1
25.68
335.4
25.21
316.1
23.78
335.4
23.33
316.1
21.92
335.4
21.51
316.1
21.34
335.4
20.93
316.1
20.56
335.4
20.16
316.1
19.29
335.4
18.93
316.1
17.94
335.4
17.60
316.1
©
HEATING CAPACITY DATA
ARUM312BTE5 / ARUM312DTE5
312,000 Btu/h 208-230V / 460V Outdoor Units
Indoor Air Temp. °F DB/°F WB
67
70
PI
TC
PI
TC
kW
MBh
kW
MBh
kW
24.71
237.9
25.76
237.1
26.81
26.96
259.1
28.02
258.3
29.07
28.31
271.8
29.37
271.0
30.42
29.99
286.2
31.04
285.8
32.09
32.08
306.4
33.13
305.5
34.19
34.17
326.0
35.22
325.7
36.27
36.22
345.8
36.37
344.9
36.53
37.68
361.1
36.14
351.0
34.60
34.77
367.7
33.74
351.0
32.71
32.77
368.4
31.79
351.0
30.82
30.75
368.4
29.84
351.0
28.92
28.75
368.4
27.89
351.0
27.03
26.77
368.4
25.95
351.0
25.15
26.05
368.4
25.27
351.0
24.49
25.10
368.4
24.34
351.0
23.59
23.55
368.4
22.85
351.0
22.14
21.90
368.4
21.25
351.0
20.59
23.86
236.9
25.1
236.2
26.34
26.12
258
27.36
257.2
28.6
27.47
270.7
28.71
269.8
29.95
29.14
286.0
30.38
285.4
31.62
31.22
306.1
32.47
304.9
33.71
33.32
323.0
34.56
319.8
35.80
35.36
334.1
34.95
321.4
34.53
34.76
337.0
33.67
321.4
32.57
32.70
337.0
31.68
321.4
30.66
30.63
337.0
29.68
321.4
28.73
28.56
337.0
27.69
321.4
26.81
26.50
337.0
25.69
321.4
24.89
24.48
337.0
23.73
321.4
23.00
23.83
337.0
23.11
321.4
22.39
22.94
337.0
22.25
321.4
21.57
21.54
337.0
20.89
321.4
20.24
20.03
337.0
19.43
321.4
18.82
20.74
235.9
22.21
235.2
23.68
23
257
24.46
256.1
25.94
24.35
269.5
25.82
268.7
27.29
26.02
284.5
27.50
282.4
28.96
28.12
297.4
29.58
287.9
31.06
30.20
302.0
30.67
287.9
31.14
31.83
302.0
30.66
287.9
29.50
29.97
302.0
28.88
287.9
27.78
28.15
302.0
27.12
287.9
26.10
26.32
302.0
25.37
287.9
24.42
24.49
302.0
23.62
287.9
22.75
22.67
302.0
21.87
287.9
21.07
20.88
302.0
20.16
287.9
19.43
20.32
302.0
19.62
287.9
18.90
19.58
302.0
18.89
287.9
18.21
18.38
302.0
17.73
287.9
17.09
17.09
302.0
16.49
287.9
15.89
Nominal heating capacity rating obtained with air entering the indoor unit at 70ºF dry bulb (DB) and
outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB).
73
76
PI
TC
PI
TC
PI
MBh
kW
MBh
kW
237.1
28.88
237.1
30.06
258.3
31.13
258.3
32.33
271.0
32.48
271.0
33.68
285.8
34.16
285.8
35.35
305.5
36.25
305.5
37.43
322.0
37.49
313.9
36.88
330.4
35.89
311.0
34.80
330.4
33.82
311.0
32.78
330.4
31.79
311.0
30.81
330.4
29.76
311.0
28.84
330.4
27.73
311.0
26.86
330.4
25.70
311.0
24.89
330.4
23.72
311.0
22.94
330.4
23.08
311.0
22.34
330.4
22.23
311.0
21.51
330.4
20.86
311.0
20.19
330.4
19.40
311.0
18.78
236.2
28.64
236.2
30.53
257.2
30.91
257.2
32.78
269.8
32.26
269.8
34.14
284.7
33.93
283.1
35.82
297.7
35.10
285.9
35.03
302.5
34.42
284.1
32.88
302.5
32.66
284.1
31.18
302.5
30.82
284.1
29.41
302.5
29.01
284.1
27.68
302.5
27.21
284.1
25.94
302.5
25.40
284.1
24.20
302.5
23.59
284.1
22.47
302.5
21.83
284.1
20.76
302.5
21.25
284.1
20.21
302.5
20.46
284.1
19.47
302.5
19.21
284.1
18.27
302.5
17.86
284.1
17.00
235.2
26.81
235.2
28.7
256.1
28.93
256.1
30.53
264.6
30.22
255.7
31.64
269.8
31.32
253.9
31.53
270.0
30.66
253.9
29.72
270.0
29.13
253.9
28.22
270.0
27.62
253.9
26.75
270.0
26.06
253.9
25.22
270.0
24.54
253.9
23.72
270.0
23.01
253.9
22.22
270.0
21.48
253.9
20.72
270.0
19.95
253.9
19.22
270.0
18.45
253.9
17.74
270.0
17.96
253.9
17.27
270.0
17.30
253.9
16.64
270.0
16.24
253.9
15.62
270.0
15.11
253.9
14.53
PERFORMANCE DATA | 131
80
TC
Pl
MBh
kW
237.1
31.65
258.3
33.91
271.0
35.27
285.8
36.94
305.5
39.03
302.9
36.05
285.3
33.35
285.3
31.40
285.3
29.50
285.3
27.60
285.3
25.69
285.3
23.79
285.3
21.92
285.3
21.34
285.3
20.56
285.3
19.29
285.3
17.94
236.2
33.03
257.2
35.29
269.8
36.65
280.9
38.32
270.0
34.92
259.6
30.82
259.6
29.22
259.6
27.54
259.6
25.90
259.6
24.25
259.6
22.61
259.6
20.96
259.6
19.35
259.6
18.83
259.6
18.14
259.6
17.03
259.6
15.84
235.2
31.2
256.1
32.67
243.7
33.55
232.7
31.82
232.5
28.48
232.5
27.01
232.5
25.58
232.5
24.09
232.5
22.63
232.5
21.16
232.5
19.70
232.5
18.24
232.5
16.80
232.5
16.36
232.5
15.76
232.5
14.79
232.5
13.75