Haier HB2400VA1M20 User Manual - Page 13

BLOWER PERFORMANCE CFM versus Static Pressure (inches of water column dry coil w/ filter) 4% reduction for wet coil. Model Static Pressure 0.1 CFM HB2400VA1M20 High 900 Middle 630 HB3000VA1M20 High HB3600VA1M20 Middle 0.15 877 614 1016 1276 1016 0.2 856 599 990 1244 990 0.25 835 585 965 1213 965 0.3 0.35 0.4 0.5 816 795 766 571 556 536 942 921 897 1184 1157 1127 942 921 897 737 515 873 1097 873 Model Static Pressure 0.1 CFM 0.15 0.2 High 900 877 856 HB2400VC1M20 Middle 630 614 599 0.25 0.3 0.35 0.4 0.5 835 816 795 766 737 585 571 556 536 515 The air delivery can be varied by changing the blower speeds. This can allow for differences encountered in installations. The CFM can be checked by the following method; (The optional Heat Kit must be installed to continue with this procedure.) 1) All access panels must be in place. 2) Start the unit in the heat mode. 3) Measure the return air temperature. 4) Measure the supply temperature. This measurement should be done in various locations to obtain an average. 5) Subtract the return temperature from the supply temperature. This is referred to as the temperature rise. 6) Measure the actual supply voltage and actual amperage at the terminal block/circuit breaker. 7) The BTUH output = (Voltage x Amps x 3.41) output (BTUH) CFM = 1.08 X temperature rise Should the CFM need to be increased or decreased it may be done by adjusting the blower speed tap as shown on the wiring diagram. 13