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Benchmark 750-3000 Operation, Service & Maintenance Guide-Latin America
APPENDIX E: INDOOR/OUTDOOR RESET RATIO CHARTS
Header Temperature for a Building Reference Temperature = 90°F (32.2°C)
AIR TEMP
°F
°C
0.6
90
32.2
90
85
29.4
93
80
26.7
96
75
23.9
99
70
21.1
102
65
18.3
105
60
15.6
108
55
12.8
111
50
10.0
114
45
7.2
117
40
4.4
120
35
1.7
123
30
-1.1
126
25
-3.9
129
20
-6.7
132
15
-9.4
135
10
-12.2
138
5
-15.0
141
0
-17.8
144
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01/02/2018
0.8
1.0
1.2
90
90
90
94
95
96
98
100
102
102
105
108
106
110
114
110
115
120
114
120
126
118
125
132
122
130
138
126
135
144
130
140
150
134
145
156
138
150
162
142
155
168
146
160
174
150
165
180
154
170
186
158
175
192
162
180
198
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Ph.: 800-526-0288
RESET RATIO
1.4
1.6
1.8
90
90
90
97
98
99
104
106
108
111
114
117
118
122
126
125
130
135
132
138
144
139
146
153
146
154
162
153
162
171
160
170
180
167
178
189
174
186
198
181
194
207
188
202
216
195
210
202
218
209
216
2.0
2.2
2.4
90
90
90
100
101
102
110
112
114
120
123
126
130
134
138
140
145
150
150
156
162
160
167
174
170
178
186
180
189
198
190
200
210
200
210
OMM-0132_A
GF-206-LA-LA
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