Centrifugal fan VENTS VNV-1 80 КVК

Application

• Exhaust ventilation of high-rise residential and non-residential premises with increased fire prevention requirements.
• Suitable for premises with mono-pipe ventilation system.
• Mounting in kitchens, bathrooms, toilets, storerooms and other household areas.

Design

• Supplied in plastic casing KVK 80 for flush mounting to wall.
• The front panel is made of high-quality durable ABS plastic.
• Equipped with maintenance-free fire-retarding damper. As the temperature in the shaft reaches 90°С the thermal fuse melts and the damper shuts automatically hot air access off, so the flame and smoke penetration though the ventilation shaft system is prevented.
• The fire-retarding damper serves as a backdraft damper when the fan is off and prevents air moving from the ventilation shaft.
• The turnable front panel conceals possible inaccuracies of the fan casing installation.
• Connected with the main ventilation shaft with a flexible air duct.
• Connecting branch pipe diameter 80 mm.

Motor

• Energy efficient 2- or 3-speed motor on ball bearings with minimum energy demand.
• Automatic maintaining of constant pressure and air flow in the duct.
• Fastened to the casing by means of latches with no tools.
• For precise characteristics, low noise level and safe operation each turbine is dynamically balanced while assembly.

Modifications and options

VNV-1 80 KVК T — fan with timer.
VNV-1 80 KVК TР — fan with regulated timer.
VNV-1 80 KVК I — fan with interval switch.
VNV-1 80 KVК F — fan with photosensor.
VNV-1 80 KVК Н — fan with humidity sensor.
VNV-2 80 KVК — fan with front panel from ground alumunium.
VNV-2 80 KVК Chrome — fan with front panel from mirror finish aluminium.
VNV-2 80 KVК Gold — fan with front panel from golden mirror finish aluminium.

• In case of second room ventilation system the casing is equipped with extra branch pipes with three air duct layout modifications for adjacent room ventilation. In such a case the kit for exhaust ventilation of the adjacent room is used.

Control

• Speed switch is performed with the external manual switch. P3-1-300 speed switch for the three speed fan models and P2-1-300 for the two speed fan models. The speed switches are not included into the delivery set and are available upon order.

Front panel modifications

Mounting example

The fan casing is mounted during construction works and connected to the main ventilation shaft. Electric wiring for connection of the VNV-1 80 ventilation unit is routed through a special hole in the casing. The front panel is covered with the protective cardboard plate supplied with the unit to avoid damages or contamination during finishing works in the room. After finishing the repair works the protective cardboard plate is removed and the VNV-1 80 ventilation unit is installed into the casing and connected to the wiring.

Options for 2 speed fan models

• T — timer modification
• TR — adjustable timer modification
• I — interval switch modification
• F — built-in photosensor modification
• Н — humidity sensor modification