Ambirad Herringbone HB Manuale - Pagina 15

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Vacuum fan characteristics

Fan type

Power

Running current (overload rating)

Phase

Voltage

Overload not required.

Figure 13 Black bulb sensor and controller

6.3 Instructions for fixing sensor unit

a A position should be selected 1.5m

from the floor where the sensor will be

free from undue draughts and if

necessary between 4 and 5m from one

of the heaters to be controlled. Avoid

placing the sensor where it will be in

an area shadowed from radiant heat

(behind racking etc.).

b Remove the cover of the sensor unit by

undoing the four screws.

c Fix the base to the wall with two

screws.

d Connect the sensor using a three core

cable of not less than 0.5mm

Maximum length of cable is 200m if

0.5mm

is used. Secure wires in the

cable gland provided (alternative rear

cable entry available – remove gland

and seal with grommet if rear entry

used).

e Wire sensor to controller in accordance

with wiring diagram. (See section 6)

watts

amps

f Refit the sensor to the base.

6.4 Fan starter overload

The red reset button on the fan starter

is used only to restart the fan should it

cut out due to overload or malfunction.

Should repeated lock-out occur then a

qualified electrician should be

consulted.

'0'

550

3.8

Single

240

'2' *

120

0.8

Single

240