KOJA HiFEK 18 Installation, Operation And Maintenance Manual Download Page 7

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Roof Extractor HiFEK EC 18-36

Instructions for Transport, Storage,

Installation, Operation and

Maintenance

23.1.2015

Electrical connection

Link box and safety switch are installed on the fixed casing panel.

Connection cables have been marked with colours/numbers. The stack HiFEP is equipped with a cable duct.

Electrical connections, HiFEK 18...36

Carry out the electrical connections according to the instruction.

Roof extractors HiFEK 18-36 are equipped with 3-phase motors. Further information on the connection and

electrical features is found in the separate manual. The standard model always includes a supply cable (W1)

and control cable (W2). The link box is connected at the end of control cable. The supply cable hangs free

and the end has been opened. The connection of the supply cable W1 in 3-phase motors is shown in the

figure below.

The connection of the cable W2 is shown in the figure below. The link box is always included in the delivery.

HIFEK 18-36

Link box

Enable device

Summary of Contents for HiFEK 18

Page 1: ......

Page 2: ...ow the given instructions especially the safety instructions See the separate instructions for electricity too Packing Roof Extractor HiFEK 18 36 is packed in plastic for transport storage and relocat...

Page 3: ...belts and hooks must not be fastened inside the roof extractor Be careful not to cause damage to the components when handling the unit Lift and move the roof extractor in upright position Weights are...

Page 4: ...k of tilting Note specially when hauling narrow and high parts the roof extractor is hauled in transport position the carrying capacity of haulage levels is sufficient the roof extractor is lifted wit...

Page 5: ...or by the outlet grating or electric cables 2 Check before mounting that the mounting surface of the mounting stack is straight Mount the roof extractor to the stack or existing duct according to the...

Page 6: ...ete duct Hexagon screw M8x55 8 8 FeZn DIN931 Washer 8 4 DIN 9021 FeZn Rubber cone plug D25 10 Raisin rubber s 10 Seal 15x30 Coach screw M8x80 FeZn DIN571 Washer 8 4 DIN 9021 FeZn Rubber cone plug D25...

Page 7: ...o the instruction Roof extractors HiFEK 18 36 are equipped with 3 phase motors Further information on the connection and electrical features is found in the separate manual The standard model always i...

Page 8: ...eely e g in air flow it may generate a voltage of more than 50V to connectors Rotation of impeller has to be prevented and dead state has to be checked always before service works Electornics of motor...

Page 9: ...the hook is firmly in the lug Have the extractor serviced at the beginning and at the end of the heating season in autumn and in spring The extractor can be cleaned by the plant s own service personn...

Page 10: ...tening screws in front of fan and six hinge screws behind the fan can then be lifted off Weight of roof extractors HiFEK 18 32kg HiFEK 24 59kg HiFEK 36 69kg Measuring of air flow Calculation of air fl...

Page 11: ...are open that all air terminal devices have been installed that the dampers are open that the pressure loss of the ductwork is not bigger than estimated 3 The extractor does not start Check that the f...