At-series estimated shipping weights, At-series selection guide – Roberts Gorden Combat AT-236 User Manual
Page 6
ESTIMATED SHIPPING WEIGHTS - BURNERS (ALL MODELS)
GAS
BURNER
Input MBH
300 -
625
626 -
938
939 -
1250
1251 -
1875
1876 -
2500
2501 -
3125
3126 -
5000
Weight
155
190
230
290
300
340
340
#2 OIL BURNER
Input GPH
2.5 -
4.5
4.6 -
6.7
6.8 -
8.9
9.0 -
13.4
13.5 -
17.9
18 -
22
22.1 -
36
Weight
125
125
220
220
310
360
385
COMBINATION
GAS / #2 OIL
BURNER
Input MBH
300 -
625
626 -
938
939 -
1250
1251 -
1875
1876 -
2500
2501 -
3125
3126 -
5000
Input GPH
2.5 -
4.5
4.6 -
6.7
6.8 -
8.9
9.0 -
13.4
13.5 -
17.9
18 -
22
22.1 -
36
Weight
200
240
270
360
400
450
500
AT-Series Estimated Shipping Weights
IMPORTANT NOTES:
•
All weights are in pounds.
•
All weights are subject to change
without notice.
•
To determine total unit weight, add
the appropriate burner weight to the
appropriate base unit weight
(as listed in performance information
tables).
To create a complete air turnover unit, choose one base unit and one burner/manifold package using the tables on the
following pages. Prices apply for natural gas or LPG units.
AT-Series Selection Guide
1. Choosing A Base Unit Package
Base Unit Package choice is based on model choice. First locate the correct set of tables on the following pages which corresponds to the required
type of unit. Locate CFM and MBH requirements on the appropriate set of tables to determine the unit model. If more than one model is applicable,
choose the smaller model.
Btu/h Output Required = CFM * 1.08 * Temperature Rise
MBH = Btu/h / 1,000
2. Choosing A Burner/Manifold Package
Choose Burner/Manifold Package based on input, burner type and insurance requirements. Choose a Burner/Manifold Package that can fulfill the
maximum output of the model. Note that burner INPUTS are listed rather than outputs.
Burner Input = Burner Output / .8
Tables A: Air Turnover Heating Unit Performance Information
(Additional configurations are available upon request.)
AT-136
CFM
Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
4,500
1 (1 motor)
240
450
49 to 93
2,225
9,000
2 (1 motor)
240
450
25 to 46
2,280
12,000 3 (1 motor)
240
450
19 to 35
2,305
AT-148
CFM
Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
10,000 3 (1 motor)
240
450
22 to 42
3,255
16,000 3 (1 motor)
240
750
14 to 43
3,300
AT-154
CFM
Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
14,000 3 (1 motor)
240
450
16 to 30
3,880
22,000 5 (1 motor)
240
750
10 to 32
3,940
30,000 7.5 (1 motor)
520
1,000
16 to 31
4,115
30,000 7.5 (1 motor)
560
1,250
17 to 39
4,220
AT-236
CFM
Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
9,000 1 (2 motors)
240
450
25 to 46
3,945
18,000 2 (2 motors)
240
750
12 to 39
3,990
24,000 3 (2 motors)
520
1,000
20 to 39
4,115
AT-242
CFM
Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp.
Rise
Range (°F)
Base Unit
Weight
(lbs.)
21,000 2 (2 motors)
240
750
11 to 33
4,990
31,000 3 (2 motors)
520
1,000
16 to 30
5,115
31,000 3 (2 motors)
560
1,250
17 to 37
5,240
AT-248
CFM
Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
22,000 3 (2 motors)
240
750
10 to 32
5,990
35,000 5 (2 motors)
520
1,000
14 to 26
6,145
45,000 5 (2 motors)
560
1,250
12 to 26
6,270
45,000 5 (2 motors)
560
1,500
12 to 31
6,270
AT-254
CFM
Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
40,000 5 (2 motors)
560
1,750
13 to 41
7,670
60,000 7.5 (2 motors)
600
2,250
9 to 35
8,060
65,000 7.5 (2 motors)
600
2,500
9 to 36
8,310
AT-260
CFM
Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
54,000 5 (2 motors)
600
3,000
10 to 51
10,870
61,000 7.5 (2 motors)
720
4,000
11 to 61
11,135
74,000 7.5 (2 motors)
720
4,000
9 to 50
11,135
AT-272
CFM
Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
62,000 5 (2 motors)
600
3,000
9 to 45
11,720
88,000 10 (2 motors)
720
4,500
8 to 47
12,185
100,000 10 (2 motors)
720
4,500
7 to 42
12,185
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