Aerco Benchmark BMK 1000, Operation And Service Manual

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BMK 750-3k Platinum Boiler OPERATION, SERVICE, and MAINTENANCE GUIDE
APPENDIX E: INDOOR/OUTDOOR RESET RATIO CHARTS
OMM-0116_0A
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page 107 of 178
GF-201
Ph.: 800-526-0288
03/15/2017
Appendix E: INDOOR/OUTDOOR RESET RATIO CHARTS
Header Temperature for a Building Reference Temperature = 50°F
RESET RATIO
Air Temp 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
°F °C
50 10.0 50 50 50 50 50 50 50 50 50 50
45 7.2 53 54 55 56 57 58 59 60 60 62
40
4.4 56 58 60 62 64 66 68 70 72 74
35 1.7 59 62 65 68 71 74 77 80 83 86
30
-1.1 62 66 70 74 78 82 86 90 94 98
25 -3.9 65 70 75 80 85 90 95 100 105 110
20 -6.7 68 74 80 86 92 98 104 110 116 122
15 -9.4 71 78 85 92 99 106 113 120 127 134
10 -12.2 74 82 90 98 106 114 122 130 138 146
5 -15.0 77 86 95 104 113 122 131 140 149 158
0 -17.8 80 90 100 110 120 130 140 150 160 170
-5
-20.6
83 94 105 116 127 138 149 160 171 182
-10
-23.3
86 98 110 122 134 146 158 170 182 194
-15
-26.1 89 102 115 128 141 154 167 180 193 206
-20 -28.9 92 106 120 134 148 162 176 190 204 218
Header Temperature for a Building Reference Temperature = 60°F
RESET RATIO
Air Temp
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
°F °C
60 15.6 60 60 60 60 60 60 60 60 60 60
55 12.8 63 64 65 66 67 68 69 70 71 72
50
10.0
66 68 70 72 74 76 78 80 82 84
45
7.2
69 72 75 78 81 84 87 90 93 96
40
4.4 72 76 80 84 88 92 96 100 104 108
35 1.7 75 80 85 90 95 100 105 110 115 120
30 -1.1 78 84 90 96 102 108 114 120 126 132
25 -3.9 81 88 95 102 109 116 123 130 137 144
20 -6.7 84 92 100 108 116 124 132 140 148 156
15 -9.4 87 96 105 114 123 132 141 150 159 168
10 -12.2 90 100 110 120 130 140 150 160 170 180
5 -15.0 93 104 115 126 137 148 159 170 181 192
0 -17.8 96 108 120 132 144 156 168 180 192 204
-5
-20.6
99 112 125 138 151 164 177 190 203 216
-10
-23.3 102 116 130 144 158 172 186 200 214
-15
-26.1 105 120 135 150 165 180 195 210
-20 -28.9 108 124 140 156 172 188 204