C E N T R I F U G A L H E A T E R - C S A
Chief Industries, Inc. 800-359-7600 OPERATION - 416274
Page 33
Approximate firing rates for CH1015T heater with C27-10 Centrifugal fan operated on vapor
propane with 7/32” (5.55mm) diameter orifice:
STATIC PRESSURE (INCHES OF WATER COLUMN)
1.0
2.0
3.0
4.0
PLENUM
PLENUM
PLENUM
PLENUM
FIRING
TEMP.
TEMP. FOR
TEMP.
TEMP. FOR
TEMP.
TEMP. FOR
TEMP.
TEMP. FOR
RATE
RISE
50
o
F AMBIENT
RISE
50
o
F AMBIENT
RISE
50
o
F AMBIENT
RISE
50
o
F AMBIENT
PSIG
(
o
F)
AIR (
o
F)
(
o
F)
AIR (
o
F)
(
o
F)
AIR (
o
F)
(
o
F)
AIR (
o
F)
3.0
79
129
84
134
90
140
98
148
4.0
91
141
97
147
104
154
113
163
5.0
101
151
108
158
116
166
126
176
6.0
112
162
119
169
128
178
139
189
7.0
126
176
134
184
144
194
156
206
8.0
138
188
147
197
158
208
171
221
9.0
148
198
157
207
167
217
181
231
10.0
156
206
166
216
178
228
193
243
11.0
164
214
174
224
187
237
203
253
12.0
171
221
182
232
195
245
211
261
Approximate firing rates for CH1015T heater with C27-10 Centrifugal fan operated on
natural gas with 3/8" (9.52mm) diameter orifice:
STATIC PRESSURE (INCHES OF WATER COLUMN)
1.0
2.0
3.0
4.0
PLENUM
PLENUM
PLENUM
PLENUM
FIRING
TEMP.
TEMP. FOR
TEMP.
TEMP. FOR
TEMP.
TEMP. FOR
TEMP.
TEMP. FOR
RATE
RISE
50
o
F AMBIENT
RISE
50
o
F AMBIENT
RISE
50
o
F AMBIENT
RISE
50
o
F AMBIENT
PSIG
(
o
F)
AIR (
o
F)
(
o
F)
AIR (
o
F)
(
o
F)
AIR (
o
F)
(
o
F)
AIR (
o
F)
1.0
73
123
78
128
83
133
90
140
1.5
90
140
96
146
103
153
112
152
2.0
104
154
111
161
119
169
129
179
2.5
116
166
124
174
133
183
144
194
3.0
128
178
136
186
146
196
158
208
3.5
139
189
148
198
159
209
172
222
4.0
150
200
160
210
172
222
186
236