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First Stage
Regulator
200 PSIG
Maximum
Typical Propane Gas Piping
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
TUBING SIZE, O.D., TYPE L
LENGTH,
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
Sizing Between Single or Second Stage Regulator and Appliance*
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 SIZE, O.D., TYPE L
TUBING
LENGTH,
FEET
3/8"
1/2"
5/8"
3/4"
10
49
110
206
348
20
34
76
141
239
30
27
61
114
192
40
23
52
97
164
50
20
46
86
146
60
19
42
78
132
80
16
36
67
113
100
14
32
59
100
125
12
28
52
89
150
11
26
48
80
200
10
22
41
69
250
9
19
36
61
300
8
18
33
55
350
7
16
30
51
400
7
15
28
47
*DATA IN ACCORDANCE WITH NFPA PAMPHLET NO. 54
5 to 15 PSIG
(20 PSIG Max.)
Continuous
11" W.C.
Second Stage
Regulator
NOMINAL PIPE SIZE,
SCHEDULE 40
5/8"
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
NOMINAL PIPE SIZE,
SCHEDULE 40
7/8"
1/2"
3/4"
1"
1-1/4"
539
291
608
1,146
2,353
368
200
418
788
1,617
296
161
336
632
1,299
253
137
284
541
1,111
224
122
255
480
985
203
110
231
436
892
174
94
198
372
764
154
84
175
330
677
137
74
155
292
600
124
67
141
265
544
106
58
120
227
465
94
51
107
201
412
85
46
97
182
374
78
43
89
167
344
73
40
83
156
320
To avoid property damage, personal injury or death due to
fire or explosion caused by a propane gas leak, install a gas
detecting warning device. If the propane gas unit is installed
in an excavated area or a confined space, a confined space, a
warning device is required due to:
•
Propane gas is heavier than air and any leaking gas can
settle in any low areas or confined spaces.
•
Propane gas odorant may fade, making the gas
undetectable except with a warning device.
Thermostat Location
Mount the thermostat approximately five feet above the
floor, in an area that has an inside, vibration-free wall and
has good air circulation.
3/4"
3,854
3,298
Movement of air must not be obstructed by furniture, door,
2,923
draperies, etc. The thermostat must not be mounted where
2,649
it will be affected by drafts, hot or cold water pipes or air
2,437
2,267
ducts in walls, radiant heat from fireplace, lamps, the sun,
2,127
television, etc. Consult the Instruction Sheet packaged with
2,009
thermostat for mounting instructions.
1,613
1,381
1,224
All units have two stages of heating and two stages of
1,109
mechanical cooling. Units which will have economizers
1,020
may use thermostats with two or three stages of cooling.
949
All units can use single stage or multi-stage thermostats.
Refer to figures later in this section for wiring.
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"
power supply to the contactor as shown on the unit wiring
3,525
diagram which is supplied with each unit. The low voltage
2,423
1,946
wiring must be connected between the unit control panel
1,665
and the room thermostat.
1,476
1,337
1,144
1,014
899
To avoid personal injury, electrical shock or death,
disconnect electrical power before servicing or changing
815
any electrical wiring.
697
618
560
515
Single Stage Thermostat
479
HIGH VOLTAGE!
Disconnect all power before servicing or
installing this unit. Multiple power sources
may be present. Failure to do so may cause
property damage, personal injury or death.
10
WARNING
ELECTRICAL WIRING
WARNING
WARNING
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