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Burners Per Pump - Roberts Gorden VANTAGE NP CTHN-125 Installation & Operation Manual

Negative pressure unitary or multiburner infrared heater
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CTHN-S
I
, O
ERIES
NSTALLATION
PERATION AND
Table 10: Multiburner Design Requirements
Burner Model:
Radiant Tube Length
Minimum Manifold Tube Length per Burner
Maximum Manifold Tube Length per
Burner
Minimum Distance from Burner to Elbow
or U-tube
Elbows Allowed per Burner*
* U-tube = 2 elbows

9.3 Burners Per Pump

1. The maximum number of burners per pump is
shown in Table 11.
2. When combining different burner inputs in a
system, the number of burners per pump (0' -
2,000' altitude) is given by the sum of their
inputs:
a. EP-100 up to 500,000 Btu/h max, but not
more than 4 burners.
Table 11: Number of Burners Allowed Per Pump
Pump Model
Altitude
0' - 2,000'
2,001' - 3,000'
3,001' - 4,000'
4,001' - 5,000'
EP-100
5,001' - 6,000'
6,001' - 7,000'
7,001' - 8,000'
8,001' - 9,000'
0' - 2,000'
2,001' - 3,000'
3,001' - 4,000'
4,001' - 5,000'
EP-200 Series
5,001' - 6,000'
6,001' - 7,000'
7,001' - 8,000'
8,001' - 9,000'
0' - 2,000'
2,001' - 3,000'
3,001' - 4,000'
4,001' - 5,000'
EP-300 Series
5,001' - 6,000'
6,001' - 7,000'
7,001' - 8,000'
8,001' - 9,000'
30
S
M
ERVICE
ANUAL
CTHN-40 CTHN-60 CTHN-80 CTHN-100 CTHN-125 CTHN-150 CTHN-175 CTHN-200
20' (6 m)
30' (9 m)
30' (9 m)
3' (1 m)
3' (1 m)
3' (1 m)
30' (9 m) 35' (10.5 m) 40' (12 m) 45' (13.5 m)
10' (3 m)
10' (3 m)
10' (3 m)
2
2
CTHN-40 CTHN-60 CTHN-80 CTHN-100 CTHN-125 CTHN-150 CTHN-175 CTHN-200
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
16
16
14
16
16
14
16
16
14
16
16
14
16
16
14
16
16
14
16
16
14
16
16
14
40' (12 m)
50' (15 m)
6' (2 m)
6' (2 m)
50' (15 m)
15' (4.5 m)
15' (4.5 m)
2
2
2
b. EP-200 up to 750,000 Btu/h max, but not
more than 6 burners.
c. EP-300 up to 1,600,000 Btu/h max, number
of burners is limited to the maximum
number of burners listed in Table 11 for the
largest input model used.
4
4
4
3
4
3
4
3
4
3
3
3
3
3
3
2
6
6
6
6
6
5
6
5
6
5
6
5
6
5
6
5
12
12
12
12
12
11
12
10
12
10
12
10
12
10
12
10
50' (15 m)
60' (18 m)
60' (18 m)
10' (3 m)
10' (3 m)
10' (3 m)
55' (16.5 m)
60' (18 m)
60' (18 m)
20' (6 m)
20' (6 m)
20' (6 m)
2
2
3
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
1
5
4
4
5
4
3
4
4
3
4
4
3
4
3
3
4
3
3
4
3
3
4
3
3
10
8
8
9
8
7
9
8
7
9
7
6
8
7
6
8
7
6
8
6
6
8
6
6
2
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