Electrolux EN19WI30LS Manual De Instalación página 24

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Table 1. For Less than 8" WC initial supply pressure
Maximum Natural Gas Delivery Capacity (0.5" Pressure Drop) [Schedule 40 Metalic Pipe]
Pipe
10'
Size
(3m)
3/4"
360
1"
678
1 1/4"
1,390
1 1/2"
2,090
2"
4,020
2 1/2"
6,400
3"
11,300
4"
23,100
Values in Table are in Cubic Feet of Gas per Hour (0.60 Speci c Gravity, 0.5" Pressure Drop, inlet pressure less than 2psi). Contact your gas
supplier for BTU/Cubic Foot ratings. For simpli cation of your calculations, 1 Cubic Foot of Gas is approximately equivalent to 1000 BTU.
Electrolux Condensing Tankless Gas Water Heater
(199,900 Btuh)
Outlet E
10' (3m)
Section 4
Section 3 Section 2
5' (1.5m)
Outlet D
10' (3m)
Natural Gas
Meter
Table 2. For 8" WC – 10.5" WC initial supply pressure
Maximum Natural Gas Delivery Capacity (3.0" Pressure Drop) [Schedule 40 Metalic Pipe]
Pipe
10'
Size
(3m)
1/2"
454
3/4"
949
1"
1,787
1 1/4"
3,669
1 1/2"
5,497
2"
10,588
2 1/2"
16,875
3"
29,832
4"
43678
Values in Table are in Cubic Feet of Gas per Hour (0.60 Speci c Gravity, 3.0" Pressure Drop, 8.0" WC or greater supply pressure, inlet
pressure less than 2psi). Contact your gas supplier for BTU/Cubic Foot ratings. For simpli cation of your calculations, 1 Cubic Foot of
Gas is approximately equivalent to 1000 BTU.
Electrolux Condensing Tankless Gas Water Heater
(199,900 Btuh)
Outlet E
10' (3m)
Section 4
Section 3 Section 2
5' (1.5m)
Outlet D
10' (3m)
Natural Gas
22
Meter
20'
30'
40'
(6m)
(9m)
(12m)
247
199
170
466
374
320
957
768
657
1,430
1,150
985
2,760
2,220
1,900
4,400
4,400
3,020
7,780
7,780
5,350
15,900
12,700
10,900
Sample Gas Line
Outlet A
Clothes Dryer
(35,000 Btuh)
Outlet C
5' (1.5m)
Section 1
5' (1.5m)
5' (1.5m)
10' (3m)
5' (1.5m)
Outlet B
Gas Fireplace
(25,000 Btuh)
20'
30'
40'
(6m)
(9m)
(12m)
312
250
214
652
524
448
1,228
986
844
2,522
2,025
1,733
3,778
3,034
2,597
7,277
5,844
5,001
11,598
9,314
7,971
20,503
16,465
14,092
30,020
24,107
20,632
Sample Gas Line
Outlet A
Clothes Dryer
(35,000 Btuh)
Outlet C
5' (1.5m)
Section 1
5' (1.5m)
5' (1.5m)
10' (3m)
5' (1.5m)
Outlet B
Gas Fireplace
(25,000 Btuh)
Length (including ttings)
50'
60'
(15m)
(18m)
151
137
284
257
583
528
873
791
1,680
1,520
2,680
2,430
4,740
4,290
9,660
8,760
Instructions
1. Size each outlet branch starting from the furthest
using the Btuh required and the length from the meter.
Barbecue
2. Size each section of the main line using the length to
(50,000 Btuh)
the furthest outlet and the Btuh required by everything
after that section.
10' (3m)
Sample Calculation - (Using 0.5" WC Pressure Drop Table)
Outlet A: 45' (13.5m) (Use 50' (15m)), 50,000 Btuh requires 1/2"
Outlet B: 40' (12m), 65,000 Btuh requires 1/2"
Section 1: 45' (13.5m) (Use 50' (15m)), 115,000 Btuh requires 3/4"
Outlet C: 30' (9m), 35,000 Btuh requires 1/2"
5' (1.5m)
Section 2: 45' (13.5m) (Use 50' (15m)), 150,000 Btuh requires 3/4"
Outlet D: 25' (7.5m) (Use 30' (9m)), 25,000 Btuh requires 1/2"
Gas Range Stove
Section 3: 45' (13.5m) (Use 50' (15m)), 175,000 Btuh requires 1"
(65,000 Btuh)
Outlet E: 25' (7.5m) (Use 30' (9m)), 199,900 Btuh requires 1"
Section 4: 45' (13.5m) (Use 50' (15m)), 374,900 Btuh requires 1 1/4"
Length (including ttings)
50'
60'
(15m)
(18m)
190
172
397
360
748
678
1,536
1,392
2,302
2,085
4,433
4,016
7,065
6,401
12,489
11,316
18,286
16,569
Instructions
1. Size each outlet branch starting from the furthest
using the Btuh required and the length from the meter.
Barbecue
2. Size each section of the main line using the length to
(50,000 Btuh)
the furthest outlet and the Btuh required by everything
after that section.
10' (3m)
Sample Calculation (Using 3.0" WC Pressure Drop Table)
Outlet A: 45' (13.5m) (Use 50' (15m)), 50,000 Btuh requires 1/2"
Outlet B: 40' (12m), 65,000 Btuh requires 1/2"
Section 1: 45' (13.5m) (Use 50' (15m)), 115,000 Btuh requires 1/2"
Outlet C: 30' (9m), 35,000 Btuh requires 1/2"
5' (1.5m)
Section 2: 45' (13.5m) (Use 50' (15m)), 150,000 Btuh requires 1/2"
Outlet D: 25' (7.5m) (Use 30' (9m)), 25,000 Btuh requires 1/2"
Gas Range Stove
Section 3: 45' (13.5m) (Use 50' (15m)), 175,000 Btuh requires 1/2"
(65,000 Btuh)
Outlet E: 25' (7.5m) (Use 30' (9m)), 199,900 Btuh requires 1/2"
Section 4: 45' (13.5m) (Use 50' (15m)), 374,900 Btuh requires 3/4"
70'
80'
90'
(21m)
(24m)
(27m)
126
117
110
237
220
207
486
452
424
728
677
635
1,400
1,300
1,220
2,230
2,080
1,950
3,950
3,760
3,450
8,050
7,490
7,030
70'
80'
90'
(21m)
(24m)
(27m)
158
147
138
331
308
289
624
580
544
1,280
1,191
1,118
1,919
1,785
1,675
3,695
3,437
3,225
5,889
5,479
1,540
10,411
9,865
9,087
15,243
14,181
13,305
100'
125'
(30m)
(38m)
104
92
195
173
400
355
600
532
1,160
1,020
1,840
1,630
3,260
2,890
6,640
5,890
100'
125'
(30m)
(38m)
131
116
273
242
514
456
1,056
936
1,582
1,402
3,046
2,700
4,856
4,303
8,584
7,608
12,568
11,139

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