NS SPLIT INSTALLATION MANUAL
Air Handler Nomenclature
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Air Handler Coil Data
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Line Set Sizes
Unit | Air | 20 feet | 40 feet | 60 feet | Factory | |||
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Size | Handler | Suction | Liquid | Suction | Liquid | Suction | Liquid | Charge (oz.) |
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NDS026 | NAH026 | 5/8" OD | 3/8" OD | 3/4" OD | 3/8" OD | 3/4" OD | 1/2" OD | 52 |
NDS038 | NAH036 | 5/8" OD | 3/8" OD | 3/4" OD | 3/8" OD | 3/4" OD | 1/2" OD | 56 |
NDS049 | NAH048 | 3/4" OD | 3/8" OD | 7/8" OD | 3/8" OD | 7/8" OD | 1/2" OD | 90 |
NDS064 | NAH060 | 7/8" OD | 1/2" OD | 7/8" OD | 1/2" OD | 1/2" OD | 92 | |
NDS072 | NAH060 | 7/8" OD | 1/2" OD | 7/8" OD | 1/2" OD | 1/2" OD | 104 | |
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Notes: Lineset charge for R410A is 0.50 oz. per ft. for 3/8" and 1.0 oz. per ft. for 1/2" tube. |
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| Rev.: 4/1/08 | ||||
Initial Total System Charge = Factory Split charge + lineset charge + 20 oz, then adjust charge by subcooling and superheat measurements. |
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