York DH 036 Technical Manual

Also see for CSA DH 036: Technical guide

036-21506-003-C-040522 Unitary Products GroupTABLE 11: STATIC RESISTANCESTABLE 12: ELECTRIC HEATER CFM LIMITATIONS1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 30000.07 0.08 0.09 0.11 0.13 0.15 0.17 0.20 0.23 0.26 0.307-15KW 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 0.260.06 0.07 0.08 0.09 0.10 0.11 0.12 0.14 0.16 0.19 0.220.08 0.10 0.12 0.14 0.16 0.18 0.20 0.23 0.26 0.29 0.32COOLING ONLY2RESISTANCE, IWGCFMDESCRIPTIONECONOMIZER1 3BOTTOM DUCT CONNECTIONS1ELECTRICHEATERS11. Deduct these resistance values from the available external static pressure shown in 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 airduct system is less than 0.25 IWG, the unit will deliver less CFM during full economizer operation.2. Add these resistance values to the available static resistance values on SUPPLY AIR BLOWER PERFORMANCE Tables.5 7 10 15 20 30208/230-1-60 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 -208/230-1-60 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 -208/230-1-60 1600 1600 1600 1600 1600 1600208/230-3-60 1600 1600 1600 1600 1600 1600460-3-60 - 1600 1600 1600 1600 1600575-3-60 - - 1600 1600 1600 1800345MINIMUM SUPPLY AIR CFMHEATER SIZE NOMINAL KWVOLTAGEUNIT MODEL SIZE NOMINALTONS