Thermo Products OHFA199DV5B, OHFA199DV5R operation manual 1A ECM blower motor speed chart

Heating Speed Set-ups

OH8FA119DV5

					Furnace Motor Current
					Draw (Amps / Watts) vs.
					External Static Pressure (in W.C)
			Low Fire		Med Fire		High Fire
		BTUH	101,000		119,000		132,000
	Fan
	Control
	SW 1								.02	.05
	Switch	Heating	Aprox.		Aprox.		Aprox.
	Settings	CFM	Rise (F0 )		Rise (F0 )		Rise (F0 )
	3-OFF	1202	78o						1.6/146	2.5/233
	2-OFF
	1-OFF
	3-OFF	1315	71o		84o				1.9/174	2.7/252
	2-OFF
	1-ON
	3-OFF	1429	65o		77o				2.3/206	3.2/294
	2-ON
	1-OFF
	3-OFF								2.6/242	3.6/337
		1565	60	o	70	o	78	o
	2-ON
	1-ON
Factory SW1	3-ON
Switch	2-OFF	1701	55	o	65	o	72	o	3.1/292	4.1/399
Settings
	1-OFF
	3-ON	1860			59	o	66	o	3.7/354	4.8/466
	2-OFF
	1-ON
	3-ON
		2041					60	o	4.7/452	5.7/567
	2-ON
	1-OFF
	3-ON	2223					55	o	5.9/587	7.2/719
	2-ON
	1-ON

Figure 18-1A: ECM blower motor speed chart

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