Product features • Sealed Ball Bearings. • Soler&Palau cannot guarantee the proper compatibility • 20” (500 mm) Standard Lead Length. between motors and third parts control devices. • Clockwise Rotation Viewing Inlet. • If thermal protection is available for the motor, this • UL and cUL listed for Electrical Safety. should be connected to offer maximum protection to the • All models have been independently tested for safety by equipment. Underwriters Laboratories, Inc. • All models are fitted with an internal Thermal Overload Protection Device. STORAGE AND MAINTENANCE • Store product in a clean and dry place, for a maximum RADIAL WHEELS period of 1 year as a maximum in order to guarantee its lifetime. Same applies to outdoor products. From 160 to 250 mm diameter: • If outdoor fan is unused for an extended period of time, it • Plastic material PA6+10GF. is necessary to occasionally switch on in order to remove humidity inside the motor. Accessories • For special applications or environments, there might • Inlets (Original S&P inlets should be used for achieving be special maintenance instructions to be specified by the performances indicated in the datasheets). manufacturer. • Capacitors for single-phase motors. • Protection grilles. MECHANICAL CHARACTERISTICS Working conditions All Bmax motorized impellers are constructed with IP44 All catalogued and product data-plate references of elec- or with EN 60529 – category 2 standards. However, the IP trical Power/Amps and Rpm’s correspond to the fan’smax- rating must be tested in the appliance for which it is in- imum permissible load, indicated as in catalogue. All tended. airflow and electrical measurements shown have been All Bmax motorized impellers models include sealed-for- measured in Soler & Palau’s in-house, ENAC accredited, life ball bearings assemblies of the closed type 2Z which test laboratories. All fans have been tested with a bell have a normal temperature operating range between: mouth inlet plate condition and the results corrected to a -40º to +70ºC. The “Life Expectancy” (L10) of the bearings, motor constant operating temperature. The fan must not +40,000 hours, has been tested with the motor shaft work- work beyond those values stated on nameplate and within ing in a horizontal position and with a maximum ambient conditions approved by the manufacturer. air stream temperature set at +40ºC. For other specific op- • It is considered S1, continuous operation, working con- erating conditions – please consult. ditions. The admitted air stream temperature (Tmax and Tmin.) are • Any Control installed, must not allow extreme on/off indicated in the Technical Characteristic chart of each fan switching. model. • Except where stated, all motors are speed controllable by Condensation holes are provided, to prevent any accumu- voltage regulation (either phase cutting or transformer). lation of condensation within the motor when operating in • However, it is likely that some resonance vibration or particularly humid conditions or when the surrounding en- magnetic noise may be noticed as a result. vironment experiences rapid temperature changes. These • In any case, Soler&Palau recommend the use of sinusoi- drainage holes have to be open when the fans are installed dal output transformers. at their end position. 5