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See below for typical propane gas piping.
First Stage
Regulator
200 PSIG
Maximum
Sizing Between First and Second Stage Regulator
Maximum Propane Capacities listed are based on 1 PSIG Pressure Drop at 10
PSIG Setting. Capacities in 1,000 BTU/HR
PIPE OR
TUBING
FEET
3/8"
1/2"
30
309
700
40
265
599
50
235
531
60
213
481
70
196
446
80
182
412
90
171
386
100
161
365
150
130
293
200
111
251
250
90
222
300
89
201
350
82
185
400
76
172
To convert to Capacities at 15 PSIG Settings -- Multiply by 1.130
To convert to Capacities at 5 PSIG Settings -- Multiply by 0.879
Maximum Propane Capacities Listed are Based on 1/2" W.C. Pressure Drop at
11" W.C. Setting. Capacities in 1,000 BTU/HR
PIPE OR
TUBING
FEET
3/8"
1/2"
3/4"
10
49
110
206
20
34
76
141
30
27
61
114
40
23
52
97
50
20
46
86
60
19
42
78
80
16
36
67
100
14
32
59
125
12
28
52
150
11
26
48
200
10
22
41
250
9
19
36
300
8
18
33
350
7
16
30
400
7
15
28
•
•
Continuous
11" W.C.
Second Stage
Regulator
SCHEDULE 40
3/4"
7/8"
1/2"
1,303
2,205
3,394
1,843
1,115
1,887
2,904
1,577
988
1,672
2,574
1,398
896
1,515
2,332
1,267
824
1,394
2,146
1,165
767
1,297
1,996
1,084
719
1,217
1,873
1,017
679
1,149
1,769
961
546
923
1,421
772
467
790
1,216
660
414
700
1,078
585
378
634
976
530
345
584
898
488
321
543
836
454
SCHEDULE 40
7/8"
1/2"
3/4"
1"
1-1/4"
348
539
291
608
1,146
2,353
239
368
200
418
788
1,617
192
296
161
336
632
1,299
164
253
137
284
541
1,111
146
224
122
255
480
985
132
203
110
231
436
892
113
174
94
198
372
764
100
154
84
175
330
677
89
137
74
155
292
600
80
124
67
141
265
544
69
106
58
120
227
465
61
94
51
107
201
412
55
85
46
97
182
374
51
78
43
89
167
344
47
73
40
83
156
320
WARNING
has good air circulation.
Movement of air must not be obstructed by furniture, door,
draperies, etc. The thermostat must not be mounted where
television, etc. Consult the Instruction Sheet packaged with
thermostat for mounting instructions.
HIGH VOLTAGE
3/4"
3,854
3,298
2,923
2,649
2,437
2,267
2,127
Five ton models have two stages of heating and two stages
2,009
of mechanical cooling. Units which have economizers may
1,613
1,381
use thermostats with two or three stages of cooling.
1,224
1,109
1,020
All other units have one stage of heating and one stage of
949
mechanical cooling. Units which have economizers may
use thermostats with one or two stages of cooling.
The units are designed for operation on 60 hertz current
and at voltages as shown on the rating plate. All internal
wiring in the unit is complete. It is necessary to bring in the
1-1/2"
3,525
power supply to the contactor as shown on the unit wiring
2,423
diagram which is supplied with each unit. 24 volt wiring
1,946
must be connected between the unit control panel and the
1,665
1,476
room thermostat.
1,337
1,144
1,014
899
815
697
618
560
515
479
10
ELECTRICAL WIRING
WARNING
From
Unit
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