Vents KSD 250-4E, User Manual, Page: 8 / 24

8
The fan must be mounted and connected to power supply only by properly qualified personnel
in compliance with acting regulatory documents.
Disconnect the fan from power mains prior to any maintenance and repair operations.
Check the fan for any visible damages of the impeller, casing and grille prior to connecting
the fan to power mains. The fan casing must not contain any foreign objects which can
damage the impeller blades. The power cable must not be in contact with any hot fan surfaces
and air ducts.
The fan (Fig. 3, 4) consists of a metal casing 1 internally lined with a sound-insulating layer 2,
an intake spigot and exhaust spigot 4 for the model with one intake and one exhaust spigot
(Fig. 3) or two intake spigots 3 and one exhaust spigot 4 for the model with two intake
spigots, Fig. 4. The fan spigot diameters match the connected air duct diameter.
The fan connection to power supply to single-phase power mains is accomplished either
via a terminal block 5 or a power cable with a plug 13 for R modification.
The fan casing has a slot for connection of the fan grounding 6. The impeller 7 is fixed directly
to the motor shaft. The mounting nuts 8 for horizontal suspended mounting by means of eye
bolts are located on the casing top. The eye bolts are not included in the delivery set.
The fan modifications with a speed and temperature controller are equipped with a speed
control knob 9, a temperature control knob 10, an operation indicator 11 and a thermostat
indicator 12.
The fan has two electric connection options:
- via a terminal block 5 (Fig. 3);
- via a power cable with a plug (R modification) (Fig. 4).
The model KSD…K1 with mineral wool insulation is designed for air exhaust only.
Do not operate the fan in explosive or inflammable environments.
Transported air must not contain dust, solid particles, sticky substances and fibrous
materials.
Do not operate the fan outside the temperature range stated in the user's manual.
Do not operate the fan in aggressive or explosive environments.
SAFETY
REQUIREMENTS
FAN
DESIGN
!
KSD
WARNING
DO NOT