York 90, DH 078 manual Cooling Capacity DH102 8-1/2 TON Unit

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TABLE 7: COOLING CAPACITY DH102 (8-1/2 TON) UNIT

Air On			Temperature of Air on Condenser Coil 75°F												Temperature of Air on Condenser Coil 85°F
Evap. Coil			Temperature of Air on Condenser Coil 75°F												Temperature of Air on Condenser Coil 85°F
Evap. Coil

	WB	Tot.		Tot.		Sensible Capacity (MBH)*								Tot.	Tot.		Sensible Capacity (MBH)*
CFM	WB	Cap.1		Input2			Return Dry Bulb (°F)							Cap.1	Input2			Return Dry Bulb (°F)
CFM	(°F)	Cap.1		Input2			Return Dry Bulb (°F)							Cap.1	Input2			Return Dry Bulb (°F)
	(°F)	(MBH)		(kW)	86	83		80	77	74		71	68	(MBH)	(kW)	86	83		80	77	74		71	68
	72	117.0		1.8	66.8	59.5		52.2	44.9	37.7		-	-	112.5	7.6	64.3	57.0		49.8	42.5	35.2		-	-
2550	67	112.1		1.9	85.1	77.8		70.5	63.2	56.0		48.7	41.4	106.1	7.5	82.2	74.9		67.7	60.4	53.1		45.8	38.6
2550	62	104.1		2.0	104.	99.2		92.0	84.7	77.4		70.2	62.9	98.1	7.4	98.1	93.4		86.1	78.8	71.6		64.3	57.0
	62	104.1		2.0	104.	99.2		92.0	84.7	77.4		70.2	62.9	98.1	7.4	98.1	93.4		86.1	78.8	71.6		64.3	57.0
	57	104.5		1.9	104.	103.		96.0	88.7	81.5		74.2	66.9	97.5	7.4	97.5	96.7		89.4	82.2	74.9		67.6	60.4
	72	120.7		4.3	72.7	64.1		55.5	46.9	38.3		-	-	116.0	7.6	70.5	61.9		53.3	44.7	36.1		-	-
2975	67	115.7		4.3	92.1	83.5		75.0	66.4	57.8		49.2	40.6	109.4	7.5	89.6	81.0		72.4	63.9	55.3		46.7	38.1
2975	62	107.5		4.4	107.	105.		97.8	89.2	80.6		72.0	63.4	101.1	7.4	101.	98.8		92.2	83.6	75.0		66.4	57.8
	62	107.5		4.4	107.	105.		97.8	89.2	80.6		72.0	63.4	101.1	7.4	101.	98.8		92.2	83.6	75.0		66.4	57.8
	57	107.8		4.4	107.	107.		102.	93.5	84.9		76.3	67.7	100.6	7.4	100.	100.		95.8	87.2	78.6		70.0	61.4
	72	124.5		6.8	78.6	68.7		58.8	48.9	39.0		-	-	119.6	7.6	76.6	66.7		56.8	46.9	37.0		-	-
3400	67	119.3		6.8	99.2	89.3		79.4	69.5	59.6		49.6	39.7	112.7	7.5	97.1	87.1		77.2	67.3	57.4		47.5	37.6
3400	62	110.8		6.9	110.	110.		103.	93.7	83.8		73.9	63.9	104.2	7.4	104.	104.		98.3	88.4	78.5		68.6	58.6
	62	110.8		6.9	110.	110.		103.	93.7	83.8		73.9	63.9	104.2	7.4	104.	104.		98.3	88.4	78.5		68.6	58.6
	57	111.2		6.8	111.	111.		108.	98.3	88.3		78.4	68.5	103.7	7.4	103.	103.		102.	92.2	82.3		72.4	62.4
	72	125.4		6.9	83.4	72.2		60.9	49.6	38.3		-	-	120.8	7.7	81.8	70.5		59.2	47.9	36.6		-	-
3825	67	120.2		6.9	104.	93.5		82.2	70.9	59.6		48.3	37.0	113.9	7.6	103.	91.8		80.5	69.2	57.9		46.6	35.4
3825	62	111.6		6.9	111.	111.		108.	96.7	85.4		74.1	62.8	105.3	7.5	105.	105.		102.	91.1	79.8		68.5	57.2
	62	111.6		6.9	111.	111.		108.	96.7	85.4		74.1	62.8	105.3	7.5	105.	105.		102.	91.1	79.8		68.5	57.2
	57	112.0		6.9	112.	112.		110.	99.2	87.9		76.6	65.3	104.7	7.5	104.	104.		104.	92.7	81.4		70.1	58.8
	72	126.3		6.9	88.3	75.6		62.9	50.3	37.6		-	-	122.1	7.7	87.0	74.3		61.6	49.0	36.3		-	-
4250	67	121.0		6.9	110.	97.6		85.0	72.3	59.6		46.9	34.3	115.1	7.6	109.	96.5		83.8	71.1	58.5		45.8	33.1
4250	62	112.4		7.0	112.	112.		112.	99.8	87.1		74.4	61.8	106.4	7.5	106.	106.		106.	93.8	81.1		68.4	55.8
	62	112.4		7.0	112.	112.		112.	99.8	87.1		74.4	61.8	106.4	7.5	106.	106.		106.	93.8	81.1		68.4	55.8
	57	112.8		6.9	112.	112.		112.	100.	87.5		74.8	62.2	105.8	7.5	105.	105.		105.	93.2	80.5		67.8	55.2
				Temperature of Air on Condenser Coil 95°F											Temperature of Air on Condenser Coil 105°F
	72	108.0		13.4	61.8	54.6		47.3	40.0	32.8		-	-	99.4	11.5	59.2	52.0		44.7	37.4	30.2		-	-
2550	67	100.0		13.1	79.3	72.1		64.8	57.5	50.3		43.0	35.7	90.8	11.2	75.4	68.1		60.8	53.6	46.3		39.0	31.7
2550	62	92.0		12.8	92.0	87.5		80.3	73.0	65.7		58.5	51.2	82.0	11.0	82.0	79.8		72.7	65.4	58.2		50.9	43.6
	62	92.0		12.8	92.0	87.5		80.3	73.0	65.7		58.5	51.2	82.0	11.0	82.0	79.8		72.7	65.4	58.2		50.9	43.6
	57	90.5		12.9	90.5	90.2		82.9	75.6	68.3		61.1	53.8	83.3	11.1	83.3	82.3		75.1	67.8	60.5		53.2	46.0
	72	111.3		10.9	68.2	59.7		51.1	42.5	33.9		-	-	102.8	10.3	65.7	57.2		48.6	40.0	31.4		-	-
2975	67	103.1		10.7	87.1	78.5		69.9	61.4	52.8		44.2	35.6	93.9	10.0	83.3	74.7		66.1	57.5	48.9		40.3	31.7
2975	62	94.8		10.4	94.8	92.6		86.6	78.0	69.4		60.9	52.3	84.8	9.8	84.8	83.7		79.0	70.4	61.8		53.2	44.6
	62	94.8		10.4	94.8	92.6		86.6	78.0	69.4		60.9	52.3	84.8	9.8	84.8	83.7		79.0	70.4	61.8		53.2	44.6
	57	93.3		10.5	93.3	93.1		89.5	80.9	72.3		63.7	55.1	86.2	9.9	86.2	85.7		81.5	72.9	64.3		55.7	47.1
	72	114.7		8.4	74.6	64.7		54.8	44.9	35.0		-	-	106.2	9.1	72.3	62.3		52.4	42.5	32.6		-	-
3400	67	106.2		8.2	94.9	85.0		75.1	65.2	55.3		45.3	35.4	97.0	8.9	91.2	81.2		71.3	61.4	51.5		41.6	31.7
3400	62	97.7		8.0	97.7	97.7		93.0	83.1	73.2		63.3	53.3	87.6	8.7	87.6	87.6		85.2	75.3	65.4		55.5	45.6
	62	97.7		8.0	97.7	97.7		93.0	83.1	73.2		63.3	53.3	87.6	8.7	87.6	87.6		85.2	75.3	65.4		55.5	45.6
	57	96.1		8.1	96.1	96.1		96.0	86.1	76.2		66.3	56.4	89.1	8.7	89.1	89.1		88.0	78.1	68.1		58.2	48.3
	72	116.3		8.4	80.2	68.9		57.6	46.3	35.0		-	-	107.6	9.1	78.0	66.7		55.4	44.1	32.9		-	-
3825	67	107.7		8.3	101.	90.2		78.9	67.6	56.3		45.0	33.7	98.2	8.9	95.0	86.7		75.4	64.1	52.8		41.6	30.3
3825	62	99.1		8.1	99.1	99.1		96.7	85.4	74.1		62.8	51.6	88.8	8.7	88.8	88.8		87.6	76.3	65.0		53.7	42.4
	62	99.1		8.1	99.1	99.1		96.7	85.4	74.1		62.8	51.6	88.8	8.7	88.8	88.8		87.6	76.3	65.0		53.7	42.4
	57	97.5		8.1	97.5	97.5		97.4	86.2	74.9		63.6	52.3	90.2	8.8	90.2	90.2		89.7	78.4	67.1		55.8	44.5
	72	117.9		8.4	85.7	73.0		60.3	47.7	35.0		-	-	108.9	9.2	83.8	71.1		58.5	45.8	33.1		-	-
4250	67	109.2		8.3	108.	95.3		82.7	70.0	57.3		44.7	32.0	99.5	8.9	98.9	92.2		79.5	66.9	54.2		41.5	28.9
4250	62	100.5		8.1	100.	100.		100.	87.8	75.1		62.4	49.8	89.9	8.8	89.9	89.9		89.9	77.2	64.6		51.9	39.2
	62	100.5		8.1	100.	100.		100.	87.8	75.1		62.4	49.8	89.9	8.8	89.9	89.9		89.9	77.2	64.6		51.9	39.2
	57	98.9		8.1	98.9	98.9		98.9	86.2	73.5		60.8	48.2	91.3	8.8	91.3	91.3		91.3	78.7	66.0		53.3	40.7
				Temperature of Air on Condenser Coil 115°F											Temperature of Air on Condenser Coil 125°F
	72	90.8		9.6	56.6	49.4		42.1	34.8	27.5		-	-	82.2	7.8	54.0	46.8		39.5	32.2	24.9		-	-
2550	67	81.6		9.4	71.4	64.1		56.8	49.6	42.3		35.0	27.8	72.3	7.5	67.4	60.1		52.9	45.6	38.3		31.0	23.8
2550	62	72.1		9.2	72.1	72.1		65.1	57.9	50.6		43.3	36.0	62.1	7.3	62.1	62.1		57.6	50.3	43.0		35.7	28.5
	62	72.1		9.2	72.1	72.1		65.1	57.9	50.6		43.3	36.0	62.1	7.3	62.1	62.1		57.6	50.3	43.0		35.7	28.5
	57	76.2		9.3	76.2	74.5		67.2	59.9	52.7		45.4	38.1	69.0	7.5	69.0	66.7		59.4	52.1	44.8		37.6	30.3
	72	94.3		9.7	63.3	54.7		46.1	37.5	28.9		-	-	85.8	9.1	60.8	52.2		43.6	35.0	26.4		-	-
2975	67	84.7		9.4	79.4	70.8		62.2	53.6	45.0		36.4	27.8	75.4	8.8	75.4	66.9		58.3	49.8	41.2		32.6	24.0
2975	62	74.8		9.2	74.8	74.8		71.3	62.7	54.1		45.5	36.9	64.8	8.6	64.8	64.8		63.6	55.0	46.4		37.8	29.2
	62	74.8		9.2	74.8	74.8		71.3	62.7	54.1		45.5	36.9	64.8	8.6	64.8	64.8		63.6	55.0	46.4		37.8	29.2
	57	79.1		9.3	79.1	78.2		73.6	65.0	56.4		47.8	39.2	71.9	8.8	71.9	70.8		65.6	57.0	48.4		39.8	31.3
	72	97.7		9.8	69.9	60.0		50.0	40.1	30.2		-	-	89.3	10.5	67.5	57.6		47.7	37.7	27.8		-	-
3400	67	87.8		9.5	87.4	77.5		67.6	57.7	47.8		37.8	27.9	78.6	10.1	78.6	73.7		63.8	53.9	44.0		34.1	24.2
3400	62	77.6		9.3	77.6	77.6		77.4	67.5	57.6		47.7	37.8	67.5	9.9	67.5	67.5		67.5	59.7	49.8		39.9	30.0
	62	77.6		9.3	77.6	77.6		77.4	67.5	57.6		47.7	37.8	67.5	9.9	67.5	67.5		67.5	59.7	49.8		39.9	30.0
	57	82.0		9.4	82.0	82.0		79.9	70.0	60.1		50.2	40.3	74.9	10.1	74.9	74.9		71.9	62.0	52.0		42.1	32.2
	72	98.8		9.8	75.9	64.6		53.3	42.0	30.7		-	-	90.1	10.6	73.7	62.5		51.2	39.9	28.6		-	-
3825	67	88.8		9.5	88.6	83.3		72.0	60.7	49.4		38.1	26.8	79.3	10.2	79.3	79.3		68.5	57.2	46.0		34.7	23.4
3825	62	78.5		9.4	78.5	78.5		78.4	67.1	55.8		44.5	33.2	68.2	10.0	68.2	68.2		68.2	57.9	46.6		35.3	24.1
	62	78.5		9.4	78.5	78.5		78.4	67.1	55.8		44.5	33.2	68.2	10.0	68.2	68.2		68.2	57.9	46.6		35.3	24.1
	57	82.9		9.5	82.9	82.9		81.9	70.6	59.3		48.0	36.7	75.6	10.1	75.6	75.6		74.1	62.8	51.5		40.2	28.9
	72	100.0		9.9	81.9	69.2		56.6	43.9	31.2		-	-	91.0	10.6	80.0	67.3		54.7	42.0	29.3		-	-
4250	67	89.8		9.6	89.8	89.1		76.4	63.7	51.0		38.4	25.7	80.0	10.3	80.0	80.0		73.2	60.6	47.9		35.2	22.6
4250	62	79.3		9.4	79.3	79.3		79.3	66.7	54.0		41.3	28.7	68.8	10.1	68.8	68.8		68.8	56.1	43.5		30.8	18.1
	62	79.3		9.4	79.3	79.3		79.3	66.7	54.0		41.3	28.7	68.8	10.1	68.8	68.8		68.8	56.1	43.5		30.8	18.1
	57	83.8		9.5	83.8	83.8		83.8	71.2	58.5		45.8	33.2	76.3	10.2	76.3	76.3		76.3	63.7	51.0		38.3	25.6

1These capacities are gross ratings. For net capacity, deduct air blower motor, MBh = 3.415 x kW. Refer to the appropriate Blower Performance Table for the kW of the supply air blower motor.

2These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.

Unitary Products Group

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Contents Ashrae 90.1 Compliant Technical GuideTable of Contents Features All units are shipped with 2 throw-away filters installed Factory Installed Options Field Installed Accessories Low Limit / Compressor Lockout Kit Part Number Description Weight AccessoriesYTG-C-0606 Ton York Model Number Nomenclature DH Physical Data 078102 MBH EER Iplv DH Capacity RatingsUnit Voltage Limitations CFMCooling Capacity DH078 6-1/2 TON Unit Cooling Capacity DH090 7-1/2 TON Unit Cooling Capacity DH102 8-1/2 TON Unit Cooling Capacity DH120 10 TON Unit 5625 Cooling Capacity DH150 12-1/2 TON UnitReturn Dry Bulb F 4375MCA RLA LRA FLA RLA LRA FLA MCA 480 Electric Heat MultipliersKW Cap. Multiplier 240DH078 6-1/2 Side Shot Blower Performance CFM DH090 7-1/2 TON Side Shot Blower PerformanceDH102 8-1/2 TON Side Shot Blower Performance DH120 10 TON Side Shot Blower Performance DH150 12-1/2 TON Side Shot Blower Performance DH078 6-1/2 TON Down Shot Blower Performance DH090 7-1/2 TON Down Shot Blower Performance DH102 8-1/2 TON Down Shot Blower Performance DH120 10 TON Down Shot Blower Performance DH150 12-1/2 TON Down Shot Blower Performance Additional Static Resistance DH078, 090 Additional Static Resistance DH120Indoor Blower Specifications Power Exhaust SpecificationsElectric Heat Minimum Supply AIR CFM Unit Weight Unit Model Number DH078 DH090 DH102 DH120Model Shipping Operating DH078 DH090 DH102 DH120 Detail aDetail C Unit ClearancesPredator Roof Curb Dimensions Bottom Duct Openings from Above Rear Duct DimensionsDownflow Economizer Hood Detail Economizer Usage Factory Installed Downflow Economizer Field Installed Horizontal Economizer W/POWER Exhaust Slab Economizer END Return W/POWER Exhaust Cooling Unit with GAS Heat Wiring 230 Volt Diagram Cooling Unit WITH/WITHOUT Electric Heat Wiring Diagram YTG-C-0606 Predator GeneralDescription Unit Operating Characteristics GAS Heating Section if EquippedElectric Heating Section if Equipped Other PRE-ENGINEERED Accessories Available Additional Factory Installed Options

102, 90, DH 078 specifications

York DH series chillers, specifically models 078, 90, and 102, are recognized in the HVAC industry for their advanced features, efficiency, and reliability. These chillers are designed to provide exceptional cooling performance for commercial and industrial applications, prioritizing energy efficiency and sustainability.

One of the standout features of the York DH series is its dual-compressor system. This design not only enhances reliability but also contributes to energy savings by allowing the unit to operate at varying loads more effectively. This adaptability ensures that the chillers can maintain optimal performance even during fluctuating demand, reducing energy consumption and associated costs.

The DH series chillers employ a microchannel condenser technology that maximizes heat exchange efficiency. This technology reduces the amount of refrigerant required while also minimizing the footprint of the unit, offering significant advantages in space-constrained environments. Additionally, microchannel coils are less susceptible to corrosion, enhancing the longevity and reliability of the chillers.

Another notable feature is the use of variable-speed drives (VSD) in the compressor system. These drives allow for precise control of the compressor speed, enabling the chillers to adjust to the cooling demands dynamically. This flexibility not only enhances the overall efficiency of the system but also contributes to quieter operation, making the chillers suitable for environments where noise levels are a concern.

York's DH series also integrates advanced controls and monitoring capabilities. The intuitive control system allows for easy programming and operation, providing users with real-time data on system performance and diagnostics. This feature aids in maintenance and troubleshooting, reducing downtime and ensuring that the chillers operate at peak efficiency.

Safety is paramount in the design of the York DH chillers. Each model is equipped with multiple safety features, including pressure relief valves and temperature monitoring systems, to protect the unit during operation. This commitment to safety not only safeguards the equipment but also ensures compliance with industry standards.

In conclusion, the York DH 078, 90, and 102 chillers exemplify modern HVAC technology with their dual-compressor systems, microchannel condenser technology, variable-speed drives, and advanced control systems. These features combine to deliver efficient, reliable, and sustainable cooling solutions for a wide variety of applications. The York DH series represents a significant advancement in chiller design and functionality, making it a preferred choice for many professionals in the field.