Aerco Benchmark BMK 1000, Operation And Service Manual

Page: 109 / 178

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 109 of 178
GF-201
Ph.: 800-526-0288
03/15/2017
Header Temperature for a Building Reference Temperature = 75°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
75 23.9 75 75 75 75 75 75 75 75 75 75
70 21.1
78 79 80 81 82 83 84 85 86 87
65 18.3 81 83 85 87 89 91 93 95 97 99
60 15.6 84 87 90 93 96 99 102 105 108 111
55 12.8 87 91 95 99 103 107 111 115 119 123
50 10.0 90 95 100 105 110 115 120 125 130 135
45 7.2 93 99 105 111 117 123 129 135 141 17
40 4.4 96 103 110 117 124 131 138 145 152 159
35 1.7 99 107 115 123 131 139 147 155 163 171
30 -1.1
102 111 120 129 138 147 156 165 174 183
25 -3.9 105 115 125 135 145 155 165 175 185 195
20 -6.7 108 119 130 141 152 163 174 185 196 207
15 -9.4
111 123 135 147 159 171 183 195 207 219
10 -12.2 114 127 140 153 166 179 192 205 218
5 -15.0
117 131 145 159 173 187 201 215
0 -17.8 120 135 150 165 180 195 210
-5 -20.6 123 139 155 171 187 203 219
-10 -23.3
126 143 160 177 194 211
-15 -26.1 129 147 165 183 201 219
Header Temperature for a Building Reference Temperature = 80°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
80 26.7
80 80 80 80 80 80 80 80 80 80
75 23.9 83 84 85 86 87 88 89 90 91 92
70 21.1 86 88 90 92 94 96 98 100 102 104
65 18.3 89 92 95 98 101 104 107 110 113 116
60 15.6 92 96 100 104 108 112 116 120 124 128
55 12.8 95 100 105 110 115 120 125 130 135 140
50 10.0 98 104 110 116 122 128 134 140 146 152
45 7.2 101 108 115 122 129 136 143 150 157 164
40 4.4 104 112 120 128 136 144 152 160 168 176
35 1.7 107 116 125 134 143 152 161 170 179 188
30 -1.1 110 120 130 140 150 160 170 180 190 200
25 -3.9 113 124 135 146 157 168 174 190 201 212
20 -6.7 116 128 140 152 164 176 188 200 212
15 -9.4 119 132 145 158 171 184 197 210
10 -12.2 122 136 150 164 178 192 206
5 -15.0 125 140 155 170 185 200 215
0 -17.8
128 144 160 176 192 208
-5 -20.6 131 148 165 182 199 216
-10 -23.3 134 152 170 188 206