Aerco Benchmark BMK 750 User Manual page 92

Benchmark 750-3000 Boiler Operation, Service, Maintenance Guide - KOREA
APPENDIX E: INDOOR/OUTDOOR RESET RATIO CHARTS
Header Temperature for a Building Reference Temperature = 65°F (18.3°C)
AIR TEMP
°F °C 0.6
65 18.3 65
60 15.6 68
55 12.8 71
50 10.0 74
45 7.2 77
40 4.4 80
35 1.7
83
30 -1.1 86
25 -3.9 89
20 -6.7 92
15 -9.4 95
10 -12.2
98
5 -15.0 101
0 -17.8 104
-5 -20.6 107
-10 -23.3 110
-15 -26.1
113
-20 -28.9 116
Header Temperature for a Building Reference Temperature = 70°F (21.1°C)
AIR TEMP
°F °C 0.6
70 21.1 70
65 18.3 73
60 15.6 76
55 12.8 79
50 10.0
82
45 7.2 85
40 4.4 88
35 1.7 91
30 -1.1 94
25 -3.9
97
20 -6.7 100
15 -9.4 103
10 -12.2 106
5 -15.0 109
0 -17.8 112
-5 -20.6 115
-10 -23.3
118
-15 -26.1 121
-20 -28.9 124
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11/29/2017
0.8 1.0 1.2
65 65 65
69 70 71
73 75 77
77 80 83
81 85 89
85 90 95
89 95 101
93 100 107
97 105 113
101 110 119
105 115 125
109 120 131
113 125 137
117 130 143
121 135 149
125 140 155
129 145 161
133 150 167
0.8 1.0 1.2
70 70 70
74 75 76
78 80 82
82 85 88
86 90 94
90 95 100
94 100 106
98 105 112
102 110 118
106 115 124
110 120 130
114 125 136
118 130 142
122 135 148
126 140 154
130 145 160
134 150 166
138 155 172
142 160 178
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Ph.: 800-526-0288
RESET RATIO
1.4 1.6 1.8
65 65 65
72 73 74
79 81 83
86 89 92
93 97 101
100 105 110
107 113 119
114 121 128
121 129 137
128 137 146
135 145 155
142 153 164
149 161 173
156 169 182
163 177 191
170 185 200
177 193 209
201 218
RESET RATIO
1.4 1.6 1.8
70 70 70
77 78 79
84 86 88
91 94 97
98 102 106
105 110 115
112 118 124
119 126 133
126 134 142
133 142 151
140 150 160
147 158 169
154 166 178
161 174 187
168 182 196
175 190 205
182 198 214
189 206
196 214
2.0 2.2 2.4
65 65 65
75 76 77
85 87 89
95 98 101
105 109 113
115 120 125
125 131 137
135 142 149
145 153 161
155 164 173
165 175 185
175 186 197
185 197 209
195 208
205 219
215
2.0 2.2 2.4
70 70 70
80 81 82
90 92 94
100 103 106
110 114 118
120 125 130
130 136 142
140 147 154
150 158 166
160 169 178
170 180 190
180 191 202
190 202 214
200 213
210
OMM-0128_0C
GF-206-K