Reznor UDX Installation, Operation And Maintenance

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UBX-UBZ-UDX-UDZ-IOM (07-23) 1034344-K
Table 17. Inputs and Capacities by Elevation
Elevation
(Feet (Meters))
Value*
Unit Size
030 045 060 075 100 125 150 175 200 225 250 300 350 400
BTUh
US
0–2000
(0–610)
A 30,000 45,000 60,000 75,000 105,000 120,000 150,000 175,000 200,000 225,000 250,000 300,000 350,000 400,000
B 24,600 37,350 49,800 62,250 88,200 100,800 124,500 145,250 166,000 186,750 207,500 249,000 290,500 332,000
C 30,000 45,000 42,000 52,500 73,500 84,000 105,000 122,500 140,000 157,500 175,000 210,000 245,000 280,000
2001–3000
(611–915)
A 28,200 42,300 56,400 70,500 98,700 112,800 141,000 164,500 188,000 211,500 235,000 282,000 329,000 376,000
B 23,124 35,109 46,812 58,515 82,908 94,752 117,030 136,535 156,040 175,545 195,050 234,060 273,070 312,080
C 28,200 42,300 39,480 49,350 69,090 78,960 98,700 115,150 131,600 148,050 164,500 197,400 230,300 263,200
3001–4000
(916–1220)
A 27,600 41,400 55,200 69,000 96,600 110,400 138,000 161,000 184,000 207,000 230,000 276,000 322,000 368,000
B 22,632 34,362 45,816 57,270 81,144 92,736 114,540 133,630 152,720 171,810 190,900 229,080 267,260 305,440
C 27,600 41,400 38,640 48,300 67,620 77,280 96,600 112,700 128,800 144,900 161,000 193,200 225,400 257,600
4001–5000
(1221–1525)
A 27,000 40,500 54,000 67,500 94,500 108,000 135,000 157,500 180,000 202,500 225,000 270,000 315,000 360,000
B 22,140 33,615 44,820 56,025 79,380 90,720 112,050 130,725 149,400 168,075 186,750 224,100 261,450 298,800
C 27,000 40,500 37,800 47,250 66,150 75,600 94,500 110,250 126,000 141,750 157,500 189,000 220,500 252,000
5001–6000
(1526–1830)
A 26,400 39,600 52,800 66,000 92,400 105,600 132,000 154,000 176,000 198,000 220,000 264,000 308,000 352,000
B 21,648 32,868 43,824 54,780 77,616 88,704 109,560 127,820 146,080 164,340 182,600 219,120 255,640 292,160
C 26,400 39,600 36,960 46,200 64,680 73,920 92,400 107,800 123,200 138,600 154,000 184,800 215,600 246,400
6001–7000
(1831–2135)
A 25,800 38,700 51,600 64,500 90,300 103,200 129,000 150,500 172,000 193,500 215,000 258,000 301,000 344,000
B 21,156 32,121 42,828 53,535 75,852 86,688 107,070 124,915 142,760 160,605 178,450 214,140 249,830 285,520
C 25,800 38,700 36,120 45,150 63,210 72,240 90,300 105,350 120,400 135,450 150,500 180,600 210,700 240,800
7001–8000
(2136–2440)
A 25,200 37,800 50,400 63,000 88,200 100,800 126,000 147,000 168,000 189,000 210,000 252,000 294,000 336,000
B 20,664 31,374 41,832 52,290 74,088 84,672 104,580 122,010 139,440 156,870 174,300 209,160 244,020 278,880
C 25,200 37,800 35,280 44,100 61,740 70,560 88,200 102,900 117,600 132,300 147,000 176,400 205,800 235,200
8001–9000
(2441–2745)
A 24,600 36,900 49,200 61,500 86,100 98,400 123,000 143,500 164,000 184,500 205,000 246,000 287,000 328,000
B 20,172 30,627 40,836 51,045 72,324 82,656 102,090 119,105 136,120 153,135 170,150 204,180 238,210 272,240
C 24,600 36,900 34,440 43,050 60,270 68,880 86,100 100,450 114,800 129,150 143,500 172,200 200,900 229,600
9001–10,000
(2746–3045)
A 24,000 36,000 48,000 60,000 84,000 96,000 120,000 140,000 160,000 180,000 200,000 240,000 280,000 320,000
B 19,680 29,880 39,840 49,800 70,560 80,640 99,600 116,200 132,800 149,400 166,000 199,200 232,400 265,600
C 24,000 36,000 33,600 42,000 58,800 67,200 84,000 98,000 112,000 126,000 140,000 168,000 196,000 224,000
Canada
0–2000
(0–610)
A 30,000 45,000 60,000 75,000 105,000 120,000 150,000 175,000 200,000 225,000 250,000 300,000 350,000 400,000
B 24,600 37,350 49,800 62,250 88,200 100,800 124,500 145,250 166,000 186,750 207,500 249,000 290,500 332,000
C 30,000 45,000 42,000 52,500 73,500 84,000 105,000 122,500 140,000 157,500 175,000 210,000 245,000 280,000
2001–4500
(611–1373)
A 27,000 40,500 54,000 67,500 94,500 108,000 135,000 157,500 180,000 202,500 225,000 270,000 315,000 360,000
B 22,140 33,615 44,820 56,025 79,380 90,720 112,050 130,725 149,400 168,075 186,750 224,100 261,450 298,800
C 27,000 40,500 37,800 47,250 66,150 75,600 94,500 110,250 126,000 141,750 157,500 189,000 220,500 252,000
*A = normal input, B = thermal output capacity, and C = minimum input.
ADJUSTMENTS—CONTINUED
Measure and Adjust Manifold (Outlet) Gas Pressure—Continued
Measure and Adjust Manifold Gas Pressure—Elevation >2,000 Feet (>610 Meters)—Continued

Reznor UDX Specifications

General

Model	UDX
Category	Heater
Fuel Type	Natural Gas or Propane
Ignition System	Direct Spark Ignition
Installation	Horizontal or Vertical
Heat Exchanger Material	Aluminized Steel
Dimensions	Varies by model
Weight	Varies by model
Heating Capacity	30, 000 to 400, 000 BTU/hr
Efficiency	83%
Vent Type	Separated Combustion
Voltage	115V
Control Type	Thermostat
Type	Gas-fired unit heater