23
HL2-DS
Series
Chart 3.4
•
Maximum Capacity for Schedule 40 Metallic pipe, in CFH
The HL2-DS series heater is equipped to receive a gas supply line nipple of ½”NPT Schedule 40
metallic pipe. All piping must be installed in accordance with the requirements outlined in the National
Fuel Gas Code ANSI/Z223.1 (latest edition) or CSA-B149.1. Support all gas supply piping with pipe
hangers, metal strapping, or other suitable material. Do not rely on the heater to support the gas pipe.
3.0
Installation
•
Gas Supply Installation Instructions
Pipe
Length
1/2”
3/4”
1”
1-1/4”
1-1/2”
2”
Nat
Prop
Nat
Prop
Nat
Prop
Nat
Prop
Nat
Prop
Nat
Prop
10 feet
132
86
278
182
520
340
1050
686
1600 1046 3050 1993
20 feet
92
60
190
124
350
229
730
477
1100
719
2100 1373
30 feet
73
48
152
99
285
186
590
386
890
582
1650 1078
40 feet
63
41
130
85
245
160
500
327
760
497
1450
948
50 feet
56
37
115
75
215
141
440
288
670
438
1270
830
60 feet
50
33
105
69
195
127
400
261
610
399
1150
752
70 feet
46
30
96
63
180
118
370
242
560
366
1050
686
80 feet
43
28
90
59
170
111
350
229
530
346
990
647
90 feet
40
26
84
55
160
105
320
209
490
320
930
608
100 feet
38
25
79
52
150
98
305
199
460
301
870
569
125 feet
34
22
72
47
130
85
275
180
410
268
780
510
150 feet
31
20
64
42
120
78
250
163
380
248
710
464
175 feet
28
18
59
39
110
72
225
147
350
229
650
425
200 feet
26
17
55
36
100
65
210
137
320
209
610
399
Sediment
Trap
1/8-in. NPT Test
Connection (Plugged)
Shut Off
Ground Joint
Union
1/2” x 24” 304 Stainless Steel Gas
Connector formed into smooth
C-Shape
3-in.
Minimum
To Unit
Flow of Gas
In Canada, infrared heater shall only be
connected with a Type I hose connector
that is (a) certified as being in compliance
with the
Standard for Elastomeric
Composite Hose and Hose Couplings for
Conducting Propane and Natural Gas, CAN/
CGA 8.1
; and (b) of a length of 36 ± 6 in (90
± 15 cm).
Figure 3.14
•
Recommended Hardware
•
Manual Shut Off and Sediment Tra
p
Содержание HL2-DS Series
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