York DM090 installation manual TON Standard Motor Down Shot Blower PERFORMANCE* †

Blower performance for gas heat includes maximum number of heat tubes available for each tonnage.

Blower performance for gas heat includes maximum number of heat tubes available for each tonnage.

035-17311-003-A-0704

TABLE 25: 10 TON STANDARD MOTOR DOWN SHOT BLOWER PERFORMANCE* †

									TURNS OPEN**
ESP‡		0			1			2				3			4			5
	CFM	W††	BHP	CFM	W††	BHP	CFM	W††		BHP	CFM	W††	BHP	CFM	W††	BHP	CFM	W††	BHP
0.2	-	-	-	-	-	-	-	-		-	3896	1639	1.76	3688	1453	1.56	3447	1268	1.36
0.4	4040	2076	2.23	4005	1934	2.07	3790	1698		1.82	3569	1508	1.62	3333	1330	1.43	3057	1147	1.23
0.6	3890	2006	2.15	3697	1790	1.92	3427	1550		1.66	3152	1356	1.45	-	-	-	-	-	-
0.8	3620	1882	2.02	3324	1629	1.75	2972	1380		1.48	-	-	-	-	-	-	-	-	-
1.0	3227	1708	1.83	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-

*.

†.Blower performance includes two-inch throwaway filters.

‡.ESP (External Static Pressure) given is that available for the supply and return air duct system. All internal resistances have been deducted from the total static pressure of the blower.

**. “Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed.

††.W = Watts

TABLE 26: 10 TON OPTIONAL MOTOR DOWN SHOT BLOWER PERFORMANCE* †

									TURNS OPEN**
ESP‡		0			1			2				3			4			5
	CFM	W††	BHP	CFM	W††	BHP	CFM	W††		BHP	CFM	W††	BHP	CFM	W††	BHP	CFM	W††	BHP
0.4	4965	3485	3.74	4875	3150	3.38	4613	2739		2.94	4322	2374	2.55	4156	2106	2.26	3907	1860	1.99
0.6	4876	3416	3.66	4651	2997	3.21	4359	2582		2.77	4038	2220	2.38	3860	1966	2.11	3590	1724	1.85
0.8	4713	3291	3.53	4387	2823	3.03	4077	2417		2.59	3719	2059	2.21	3541	1827	1.96	3242	1584	1.70
1.0	4476	3116	3.34	4084	2632	2.82	3768	2245		2.41	3365	1892	2.03	3197	1691	1.81	-	-	-
1.2	4165	2898	3.11	3741	2427	2.60	3432	2070		2.22	-	-	-	-	-	-	-	-	-
1.4	3779	2646	2.84	3359	2212	2.37	3069	1895		2.03	-	-	-	-	-	-	-	-	-
1.6	3319	2372	2.54	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-

*.

†.Blower performance includes two-inch throwaway filters.

‡.ESP (External Static Pressure) given is that available for the supply and return air duct system. All internal resistances have been deducted from the total static pressure of the blower.

**. “Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed.

††.W = Watts

Unitary Products Group 29