8
Product description
EFR 10 and EFR 12
extract stale air, odours
and humidity from living areas or offices. In
Basic ventilation operating mode, the fan runs
all the time. Fan is switched on/off with light
switch or separate switch, both to be supplied
by the customer.
EFR 10 R and EFR 12 R
with 5 ventilation
levels and a timer. Designed for continuous
operation. EFR.. extracts stale air, odours
and humidity from living areas or offices.
Basic ventilation:
Normally, the fan runs in the
Basic ventilation operating mode. Basic
ventilation performance level is adjustable
with selector switch (4 levels).
Intensive ventilation:
Intensive ventilation
operating mode can be switched on/off with
light switch or separate switch, both to be
supplied by the customer. Intensive ventila-
tion with maximum performance (level 5).
After operating the switch, the fan switches
back to Basic ventilation, once the overrun
time, (adjustable through the timer between 3
and 25 minutes), has elapsed. Fan is
switched on/off with a separate switch, to be
supplied by the customer.
4. Technical Data
See rating plate.
Dimensions and weight
Fig. 1: Dimensions (in mm)
●
EFR..: 5 kg
Power supply
●
Rated voltage: 230 V
●
Power frequency: 50 Hz
●
Current input: 0.27 A
Ventilation levels, Volumetric flows
EFR 10: 172 m³/h
EFR 10 R:
1 = 95 m³/h, 2 = 112 m³/h, 3 = 134 m³/h
4 = 156 m³/h. 5 = 172 m³/h, maximum value
with intensive ventilation (timer on).
EFR 12: 208 m³/h
EFR 12 R:
1 = 118 m³/h, 2 = 135 m³/h, 3 = 160 m³/h
4 = 183 m³/h. 5 = 208 m³/h, maximum value
with intensive ventilation (timer on).
Degree of protection
●
IP 20 (protected against dust but not water)
when installed in ducts with at least 1 m of
duct on the suction and pressure sides.
Environmental conditions and operating
limits
●
Permitted ambient temperature:
max. +50° C
●
Maximum permitted temperature of the air
medium: +50° C
●
Sufficient supply air intake must be en-
sured during
operation with air-ventilated
fireplaces
. The maximum permitted
pressure difference per living unit is 4 Pa.
5. Essential safety instructions
General safety instructions
●
Read the safety instructions through
carefully before commissioning.
●
Keep the instructions.
●
Installation, electrical connections and
repairs only permitted when carried out
by trained specialists.
GB
