Roberts Gorden UHD[X][S][R] 125, UHD[X][S][R] 75 service manual General Technical Data Table

SECTION 15: SPECIFICATIONS

15.2 General Technical Data Table

		UHD[X][S][R]	UHD[X][S][R]	UHD[X][S][R]
	Model	75	100	125
Full Load Amps @ 115 V	A	1	2	2
Minimum Air Volume	CFM	850	950	1020
Temperature Rise @ Minimum Air Volume	°F (°C)	68 (20)	78 (26)	92 (33)
Heat Exchanger Pressure Drop @ Minimum Air Volume	in wc	0.06	0.05	0.06
Maximum Air Volume	CFM	2650	3660	4750
Temperature Rise @ Maximum Air Volume	°F (°C)	22 (-6)	22 (-6)	20 (-7)
Heat Exchanger Pressure Drop @ Maximum Air Volume	in wc	0.36	0.55	0.98
Flue Size/Air Intake**	in (cm)		4 (10)-All models

*Do not exceed the maximum length of flue stated or heater may not operate properly.

15.3 Technical Data Table

	Model	UHD[X][S][R]	UHD[X][S][R]	UHD[X][S][R] 125
		75	100
Total Input	(Btu/h) x (1000)	75	100	125
Total Output	(Btu/h) x (1000)	61.5	82	102.5
Efficiency	%		82-All models
Natural Gas (G20) Data - Inlet Pressure 5.0 in wc Min., 14 in wc Max.
Burner Pressure	in. wc	3.5	2.6	3.3
LPG / Propane (G31) Data - Inlet Pressure 12.0 in wc Min., 14 in wc Max.
Burner Pressure	in. wc	10.0	9.1	10.0

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