
25
WARNING
Table 7 lists gas inputs at sea level to 2000 feet altitude. Reduce gas input four percent (4%) for each additional
1000 feet above sea level.
TABLE 7 - RATED INPUT
Boiler Model
Rated Capacity (CFH)
Gas Connection Size (inch dia.)
Natural
LP/Propane
EVS-500
500
200
1-1/4
EVS-750
750
300
1-1/2
EVS-1000
1000
400
1-1/2
EVS-1500
1500
600
1-1/2
EVS-2000
2000
800
1-1/2
EVS-2000S
2000
800
1/1/2
EVS-2500
2500
1000
2
EVS-3000
3000
1200
2
TABLE 6 - EQUIVALENT OF STANDARD PIPE FITTING & VALVES
Pipe
Size
I.D.
Inches
Valves Fully Open (Screwed,
Flanged, Welded)
Schedule 40, Screwed Fittings
Gate
Globe
Angle
Swing
Check
90°
Elbow
(threaded)
45°
Elbow
(threaded)
90° Tee, Flow
through Branch
(threaded)
1/2"
3/4"
1"
1-1/4"
0.622
0.824
1.049
1.380
0.36
0.48
0.61
0.81
17.3
22.9
29.1
38.3
8.65
11.4
14.6
19.1
4.32
5.72
7.27
9.58
1.55
2.06
2.62
3.45
0.73
0.96
1.22
1.61
3.10
4.12
5.24
6.90
1-1/2"
2"
2-1/2"
3"
1.610
2.067
2.469
3.068
0.94
1.21
1.44
1.79
44.7
57.4
68.5
85.2
22.4
28.7
34.3
42.6
11.2
14.4
17.1
21.3
4.02
5.17
6.16
7.67
1.88
2.41
2.88
3.58
8.04
10.3
12.3
15.3
4"
6"
4.026
6.065
2.35
3.54
112
168
56
84.1
28.0
42.1
10.1
15.2
4.70
7.07
20.2
30.4
Equivalent lengths are for standard screwed fittings and for screwed, flanged, or welded valves relative
to schedule 40 steel pipe.
Содержание EVS SERIES
Страница 13: ...13 Figure 3 Sidewall Positive Pressure Venting Optional Figure 2 Sidewall Positive Pressure Venting ...
Страница 14: ...14 Figure 4 Vertical Pressurized Venting ...
Страница 16: ...16 Figure 5 Typical Negative Pressure Conventional Venting ...
Страница 18: ...18 Figure 7 Vertical Air Intake Piping ...
Страница 27: ...27 Figure 9a 208 230 460V 1 3 ph 60 Hz Supply Power Wiring Schematic ...
Страница 28: ...28 Figure 9b 120V 1ph 60Hz Supply Power Wiring Schematic ...
Страница 29: ...29 Figure 9c Standard UL FM CSD 1 Wiring Diagram EVS 500 2000 ...
Страница 31: ...31 Figure 9e Standard UL FM CSD 1 EVS 2000S 3000 ...
Страница 35: ...35 Figure 11 Modular System Horizontal Air Intake Piping ...
Страница 36: ...36 Figure 12 Modular System Vertical Air Intake Piping ...
Страница 37: ...37 Figure 13 Modular System Typical One Pipe Water Piping ...
Страница 38: ...38 Figure 14 Modular System Typical Primary Secondary Water Piping ...
Страница 39: ...39 Figure 15 Modular System Typical Primary Secondary without System Pump ...
Страница 40: ...40 Figure 16 Modular System Typical Reverse Return Water Piping ...
Страница 41: ...41 Figure 17 Modular System Reverse Return with System Pump Only ...
Страница 42: ...42 Figure 18 Modular System Typical Primary Secondary with Reverse Return ...
Страница 58: ...58 Figure 19 Combustion Chamber Assembly ...
Страница 60: ...60 Figure 20 Burner Assembly FRONT VIEW TOP VIEW ...
Страница 62: ...62 Figure 21 UL FM CSD 1 Main Gas Train Assembly ...
Страница 65: ...65 Figure 22b DB B Gas Train 500 750 Figure 22c DB B Gas Train 1000 2000 ...
Страница 70: ...70 Figure 23 Jacket Panels ...
Страница 74: ...74 Figure 25 Pilot Assembly Bishop Design ...
Страница 88: ...88 NOTES ...
Страница 89: ...89 NOTES ...
Страница 90: ...90 NOTES ...
Страница 91: ...91 NOTES ...