[. . . ] Xpelair Xpress XPRS High pressure mixed flow inline duct fans Mounting and Operating Instructions Wiring Diagram 1 XPRS250, XPRS355 Wiring Diagram 2 XPRS315, XPRS355+ Voltage V 230 230 230 230 Frequency Hz 50 50 50 50 XPRS250 XPRS315 XPRS355 XPRS355+ Power Consumption W 200 600 160 895 Current A 1. 2 3. 4 1. 2 4. 8 Max. [. . . ] Pay attention to the maximum ambient temperature on nameplate Maintenance Xpelair Xpress fans with the exception of recommended cleaning intervals are maintenance free. Deposits from dust laden air will in time accumulate on the impeller and housing. This leads to lower performance, unbalance in the unit, and reduced lifespan. Under no circumstances should the interior space be cleaned with water or high pressure cleaner (steam jet cleaner). Through installation of an air filter the cleaning interval can be considerably extended or avoided. · · Do's and dont's · Do read all the instruction leaflet before commencing installation. · Do make sure the mains supply is switched off before attempting to make electrical connections or carry out any maintenance or cleaning Guarantee Customers outside UK ­ see international below. · UK: The fan is guaranteed against defects for 2 years from the date of purchase. [. . . ] All finishes and diagrams in this booklet are as accurate as printing processes allow. [. . . ]