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Page 1: ...READ INSTRUCTIONS IN CONJUNCTION WITH THE ILLUSTRATIONS PLEASE SAVE THESE INSTRUCTIONS UMD Mixed Flow In Line Fan Range UMD100SA UMD100TA 220 240V 50Hz 220 240V 50Hz IPX4 Installation and Wiring Instr...
Page 2: ...local double pole isolator switch having a contact separation of at least 3mm C Ensure that the mains supply Voltage Frequency and Phase complies with the rating label D The Fan should only be used i...
Page 3: ...the fan i e within 1 5m must incorporate suitable guards unless the fan is mounted higher than 2 1m above the floor If flexible ducting is used it should be fully extended to obtain the best results P...
Page 4: ...rminal box cover screws Fig 9 6 Ensure the impeller rotates and is free from obstructions Timer models cannot be used with a speed controller Timer Adjustment The fan must be wired to a remote switch...
Page 5: ...ROTECTION The fan motor is fitted with Thermal Overload Protection This is a one shot thermal fuse In the event of a fault condition the fan will be automatically switched off If this occurs isolate t...
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Page 7: ...7 National Ventilation Stathe Road Burrowbridge Somerset TA7 0RY Website www nationalventilation co uk email info nvagroup co uk Sales and technical hotline 01823 690290 479967 A 0619...
