York DY 036 Technical Manual
Also see for DY 036: Technical guide
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Contents
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343615-YTG-A-080718 Unitary Products Group1. Deduct these resistance values from the available external static pressure shown in SUPPLY AIR BLOWER PERFORMANCE Tables.2. Add these resistance values to the available static resistance values on SUPPLY AIR BLOWER PERFORMANCE Tables.3. The pressure through the economizer is greater for 100% outdoor air than for 100% return air. If the resistance of the return air duct system is less than0.25 IWG, the unit will deliver less CFM during full economizer operation.TABLE 21: STATIC RESISTANCESDESCRIPTIONRESISTANCE, IWGCFM1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000ECONOMIZER 1,3 0.07 0.08 0.09 0.11 0.13 0.15 0.17 0.20 0.23 0.26 0.30ELECTRICHEATERS 17-15KW 0.04 0.05 0.06 0.07 0.08 0.10 0.12 0.14 0.16 0.19 0.2220-30KW 0.06 0.07 0.08 0.09 0.11 0.13 0.15 0.17 0.20 0.23 0.26COOLING ONLY 2 0.08 0.10 0.12 0.14 0.16 0.18 0.20 0.23 0.26 0.29 0.32TABLE 22: ELECTRIC HEATER CFM LIMITATIONSUNIT MODEL SIZENOMINAL TONS VOLTAGEMINIMUM SUPPLY AIR CFMHEATER SIZE NOMINAL KW5 7 10 15 20 303208/230-1-60 1100 1100 1200 1200 1300 -208/230-3-60 1100 1100 1200 1200 1300 -460-3-60 - 1100 1200 1200 1300 -575-3-60 - - 1200 1200 1300 -4208/230-1-60 1300 1300 1300 1300 1300 -208/230-3-60 1300 1300 1300 1300 1300 -460-3-60 - 1300 1300 1300 1300 -575-3-60 - - 1300 1300 1400 -5208/230-1-60 1600 1600 1600 1600 1600 1600208/230-3-60 1600 1600 1600 1600 1600 1600460-3-60 1600 1600 1600 1600 1600 1600575-3-60 - 1600 1600 1600 1600 1800 |
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