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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 34
Approximate firing rates for CH1015T heater with C27-15 Centrifugal fan operated on
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
64
114
68
118
74
124
80
130
4.0
73
123
78
128
85
135
92
142
5.0
81
131
86
136
94
144
102
152
6.0
90
140
96
146
105
155
115
165
7.0
101
151
108
158
118
168
129
179
8.0
111
161
118
168
129
179
141
191
9.0
119
169
127
177
139
189
152
202
10.0
126
176
134
184
146
196
159
209
11.0
132
182
141
191
154
204
168
218
12.0
138
188
147
197
160
210
175
225
Approximate firing rates for CH1015T heater with C27-15 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
59
109
63
113
68
118
74
124
1.5
72
122
77
127
83
133
91
141
2.0
84
134
89
139
96
146
105
155
2.5
93
143
99
149
107
157
117
167
3.0
103
153
110
160
118
168
129
179
3.5
112
162
119
169
128
178
140
190
4.0
121
171
129
179
139
189
152
202