Unit Limitations
Air Handling Unit Limitations
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| Voltage Variation | Supply Air Range CFM | Entering Air Temperature Degrees °F | |||||
Model | Power Supply Voltage | Cooling | Heating DB1 | ||||||
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| Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. |
| 187 | 253 | 10,000 | 14,000 | 65/57 | 95/72 | 40 | 77 | |
ND360 | 414 | 506 | 10,000 | 14,000 | 65/57 | 95/72 | 40 | 77 | |
| 540 | 630 | 10,000 | 14,000 | 65/57 | 95/72 | 40 | 77 | |
| 187 | 253 | 12,800 | 19,200 | 65/57 | 95/72 | 40 | 77 | |
ND480 | 414 | 506 | 12,800 | 19,200 | 65/57 | 95/72 | 40 | 77 | |
| 540 | 630 | 12,800 | 19,200 | 65/57 | 95/72 | 40 | 77 | |
| 187 | 253 | 16,000 | 24,000 | 65/57 | 95/72 | 40 | 77 | |
ND600 | 414 | 506 | 16,000 | 24,000 | 65/57 | 95/72 | 40 | 77 | |
| 540 | 630 | 16,000 | 24,000 | 65/57 | 95/72 | 40 | 77 | |
1Heating Min/Max temperatures apply to steam and hot water coils. NOTE: Do not apply steam to hot water coils.
Cooling and Heating Ratings
Cooling Ratings
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| Condensing Unit Only |
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| System Cooling Capacity1 |
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Outdoor |
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| Indoor |
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Gross Capacity2 |
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| Gross Capacity3 |
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| kW |
| EER |
| EER |
| IEER | |||||
| (MBH) |
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| (MBH) |
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YD360 | 333 |
| 29.9 |
| 11.1 | ND360 | 375 |
| 10.0 |
| 11.1 | 12,000 |
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YD480 | 469 |
| 37.4 |
| 12.5 | ND480 | 500 |
| 10.0 |
| 10.8 | 16,000 |
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YD600 | 576 |
| 50.0 |
| 11.5 | ND600 | 620 |
| 10.0 |
| 10.4 | 17,500 |
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1Certified in accordance with the Unitary Large Equipment certification program, which is based on ARI Standard 340/360.
2Condensing unit only ratings are at 45 F SST and 95 F
3Deduct 1 MBH when a unit operates at 208 volts.
EER = Energy Efficiency Ratio at full load - the cooling capacity in Btu’s per hour (Btuh) divided by the power input in watts, expressed in Btuh per watt (Btuh/watt).
EER; condensing unit only ratings based on 45º F SST and 95ºF entering outdoor air temperature.
IEER - A single number cooling
LEGEND
EER = Energy Efficiency Ratio
SST = Saturated Suction Temperature
ARI = Air Conditioning and Refrigeration Institute
IEER = Integrated Energy Efficiency Ratio
8 | Johnson Controls Unitary Products |