This product is discontinued

X-DVS 310ES Roof fan+FTG 400

Roof fan

Item Number: 31330

Speed-controllable

Integral thermal contacts

Low sound level

Maintenance-free and reliable

The DVS/DHS/DVSI models have impellers with backward curved blades and external rotor motors. All motors are speed controllable over the voltage. For speed controlling of the DVS/DHS/DVSI roof fans with a frequency converter a type with all pole sine filter is needed! The motors are suspended on effective vibration dampers.

DVS/DHS/DVSI …EZ / EV / ES:  1~ motor with connection for 2-speeds

DVS/DHS/DVSI …E4:  1-speed motor

DVS/DHS/DVSI …DV / DS:  3~ with Y/D-connection for 2-speeds

To protect the motors from overheating the DVS/DHS/DVSI up to size 311 have integral thermal contacts, from size 355 with external leads for connection to a motor protection device.

The casing is made from aluminum and the base frame is powder-coated galvanised steel. Suitable for coastal applications. The impellers up to size 355 are manufactured from polyamide PA6 25GV, from size 400 in aluminium.

Including a tilting device for service options. The frame is made of galvanized steel and the external hinge consists of stainless steel.

DVS with outlet vertical

DHS with outlet horizontal

DVSI with 50 mm mineral wool insulation for low noise level.

Technical parameters

Norminal data
Voltage (nominal) 230 V
Frequency 50 Hz
Phase(s) 1~
Input power 71 W
Input current 0.301 A
Impeller speed 999 r.p.m.
Air flow max 336 L/s
Capacitance of capacitor 1.5 µF
Temperature of transported air max 40 °C
Max temperature of transported air, when speed controlled 40 °C
Sound data
Sound pressure level at 10m (free field) 29 dB(A)
Sound pressure level at 4m (free field) 37 dB(A)
Protection/Classification
Enclosure class, motor IP44
Insulation class B
Dimensions and weights
Weight 19 kg
Others
Motor type AC
RFA
DXF
ASF 310/311 inlet flange DVS - Systemair Item Number: 9568 ASF 310/311 inlet flange DVS .
ASK 310/311 inflow box SSD - Systemair Item Number: 300904 ASK 310/311 inflow box SSD

Z: 04-310725, 385x385x110

.
ASS 310/311 flex. inl.con. DVS - Systemair Item Number: 9575 ASS 310/311 flex. inl.con. DVS .
RE 1,5 Speed control - Systemair Item Number: 5000 RE 1,5 Speed control

1.5A 1~ 5 step

.
REE 1 Speed control - Systemair Item Number: 5314 REE 1 Speed control

Wall mounted

.
REPT 6 Digital regulator - Systemair Item Number: 5698 REPT 6 Digital regulator

temp.&pres.

.
RETP 6 Temp/Pressure regulator - Systemair Item Number: 32293 RETP 6 Temp/Pressure regulator

Regulator without Display

.
REU 1.5 Speed control - Systemair Item Number: 5004 REU 1.5 Speed control

1.5A 1~ 5 step

.
REV-3POL/03 ON/OFF - Systemair Item Number: 33978 REV-3POL/03 ON/OFF

max.20A, 400V, IP65

.
REV-5POL/05 ON/OFF - Systemair Item Number: 33979 REV-5POL/05 ON/OFF

max. 20A, 400V, IP65

.
SSD 310/311 socket silencer - Systemair Item Number: 9561 SSD 310/311 socket silencer .
CO2RT-R-D Transmitter - Systemair Item Number: 6993 CO2RT-R-D Transmitter .
MicroREX D21 Plus Time Switch - Systemair Item Number: 17822 MicroREX D21 Plus Time Switch

inkl. enclosure

.
Presence detector/IR24-P - Systemair Item Number: 6995 Presence detector/IR24-P .
RT 0-30 Room Thermostat - Systemair Item Number: 5151 RT 0-30 Room Thermostat

with Systemair logo

.
T 120 Timer - Systemair Item Number: 5165 T 120 Timer .
BTG 400 Back Draft Damper - Systemair Item Number: 5092 BTG 400 Back Draft Damper .
FDS 310/311 flat roof socket - Systemair Item Number: 9549 FDS 310/311 flat roof socket .
FDS-L 310/311 flat roof socket - Systemair Item Number: 95279 FDS-L 310/311 flat roof socket

395x395x500mm, alu, sea water resistant

.
STG Connectionp.200 TG400-800 - Systemair Item Number: 1765 STG Connectionp.200 TG400-800 .
TG 400-800 Roof curb - Systemair Item Number: 1718 TG 400-800 Roof curb .
VKM 310/311 Back draft damper - Systemair Item Number: 9555 VKM 310/311 Back draft damper .
VKS 310/311 Back draft damper - Systemair Item Number: 9543 VKS 310/311 Back draft damper .