Aerco BENCHMARK 6000 - Appendix D - Indoor;Outdoor Reset Ratio Charts

Benchmark 6000 Boiler Installation, Operation & Maintenance Manual
APPENDIX D – INDOOR/OUTDORR RATIO CHARTS
OMM-0086_0D AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 163 of 210
GF-133 Ph.: 800-526-0288 03/20/14
APPENDIX D – INDOOR/OUTDOOR RESET RATIO CHARTS
Table D-1: Header Temperature for a Building Reference Temperature of 50ºF
RESET RATIO
Air
Temp
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
50F
50
50
50
50
50
50
50
50
50
50
45F
53
54
55
56
57
58
59
60
60
62
40F
56
58
60
62
64
66
68
70
72
74
35F
59
62
65
68
71
74
77
80
83
86
30F
62
66
70
74
78
82
86
90
94
98
25F
65
70
75
80
85
90
95
100
105
110
20F
68
74
80
86
92
98
104
110
116
122
15F
71
78
85
92
99
106
113
120
127
134
10F
74
82
90
98
106
114
122
130
138
146
5F
77
86
95
104
113
122
131
140
149
158
0F
80
90
100
110
120
130
140
150
160
170
-5F
83
94
105
116
127
138
149
160
171
182
-10F
86
98
110
122
134
146
158
170
182
194
-15F
89
102
115
128
141
154
167
180
193
206
-20F
92
106
120
134
148
162
176
190
204
218
Table D-2: Header Temperature for a Building Reference Temperature of 60ºF
RESET RATIO
Air
Temp
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
60F
60
60
60
60
60
60
60
60
60
60
55F
63
64
65
66
67
68
69
70
71
72
50F
66
68
70
72
74
76
78
80
82
84
45F
69
72
75
78
81
84
87
90
93
96
40F
72
76
80
84
88
92
96
100
104
108
35F
75
80
85
90
95
100
105
110
115
120
30F
78
84
90
96
102
108
114
120
126
132
25F
81
88
95
102
109
116
123
130
137
144
20F
84
92
100
108
116
124
132
140
148
156
15F
87
96
105
114
123
132
141
150
159
168
10F
90
100
110
120
130
140
150
160
170
180
5F
93
104
115
126
137
148
159
170
181
192
0F
96
108
120
132
144
156
168
180
192
204
-5F
99
112
125
138
151
164
177
190
203
216
-10F
102
116
130
144
158
172
186
200
214
-15F
105
120
135
150
165
180
195
210
-20F
108
124
140
156
172
188
204