OE?SERVAlIONS
1) Before installing the B-23 fan unit make Sure that the vol-
tage (V) and the frequency (Hz) indicated on the rating
label correspond to the voltage and frequency of the
mains supply at the Point of installation.
2) The rating label and technical data are located in the inte-
rior of the product.
3) This fan unit is supplied with all accessories required for
wall or window installation.
4) The electricaf installation must include a Single-pole swith
with a distance between contacts of at least 3 mm.
5) The B-23 fan is a class II appliance and does not require
any earth connection.
6) If you observe any darnage to the product on purchase or
it does not function correctly, use the enclosed guarantee
certificate and present it, together with proof of purchase,
to any of our authorized technical Service centres.
WALL OR WINDOW INSTALLATION
1) Cut a hole as indicated in diagram (1).
DIAGRAM (1)
2) Dismantle the fan unit by proceeding as follows:
2-l Remove the screws from the front grille (A) to release it
from the body of the fan unit (B).
2-2 Loosen the 4 screws that fix the fan body (B) to the win-
dow support ring (C).
3-2 Place the window support ring (C) on the inside of the
glass and screw it to the window supporl plate (D) using
the 4 screws (F).
2-3 Remove the 4 screws that join the two intermediate win-
dow support plates (0) and the window support ring (C).
3-l Place the window support ring (D) and the rear grille in
the hole made in the glass or partition from the rear and
fix it in place using the tabs (E) (there are clasps on the
glass support) to finly anchor the window support in the
hole.
4-1 Place the body of the fan unit (B) in Position and screw it
to the window support ring (C) using the 4 screws (G).
4-2 Remove the cover from the cable entry (H) and carefully
cut a suitable hole in it. Thread the connection cable
through the hole until it reaches the connection box
cover (1).
4-3 Remove the screws (J) from the connection box cover (1)
and connect the cable to the terminal Strip (K) as shown
in the corresponding wiring diagram.
4-4 Position the covers on the cable entry Point (H) and the
connection box (1) and replace the screws (J).
4-5 Replace the front grille (A) and fix it in place using the 4
screws (L).
WALL
ASSEMBLY
2-l Remove the 4 screws from the front grille (A) to free it
from the fan body (B).
2-2 Loosen the 4 screws that fix the fan body (B) to the win-
dow support ring (C).
2-4 Place the glass support mounting ring(C) on the wall and
fix it in place by inserting the 4 screws (M) through the
holes provided in the mounting ring. Make sure that the
mounting ring is placed so that the holder (0) is upper-
most as it will then anchor the fan unit body (B).
4-1 Place the fan body (B) in position and screw it to the win-
dow supporl ring (C) using the 4 screws (G).
4-2 Remove the cover from the cable entry (H) and carefully
tut a hole in it. Thread the connection cable through the
hole until it reaches the connection box cover (1).
4-3 Remove the screws (J) from the connection box cover (1)
and connect the cable to the terminal Strip (K) as shown
in the corresponding wiring diagram.
4-4 Position the covers on the cable entry Point (H) and the
connection box (1) and replace the screws (J).
4-5 Replace the front grille (A) and fix it in place using the 4
screws (L).
The B-23 fan unit has several modes of Operation:
Exhaust (3 Speeds)
Intake (3 Speeds)
Fan stopped with only the shutters open.
The shutter opening is controlled by a delay timer. They take
about 20 seconds to fully open after power is connected to
the motor.
Fan operated by a Sensor.
All these possibilities of the fan unit are only available if fitted
with a RB 23/30 swich.
When connecting the Automatic model of the B-23 fan unit,
the humidity detector must be fitted inside the fan unit, under
the cover (P). (Fig. 4-2).
8-23 WITHOUT HYGRO FITTED WITH RB 23/30
SWITCH DIAGRAM 6
4 wires from the RB 3 30 switching unit to the connection
in the B-23 fan (connection cover
-
Strip) as shown in dia-
gram B). The RB 23/30 switch also requires two power
supply cables and an earth connection to eliminate any inter-
ference.
-
As the Hygro circuit is not installed, the AUT position of key
1
is inoperable.
-
Moving the swich towards the MAN position
( x
l
)
(switch no. 1) operates the delayed opening of the shutter
and the LED indicator lights.
-
Moving the switch
(
l
)
switch no. 2 operates the
motor as an extractor 01 blower.
-
Moving the switch
(1, 11,
Ill) switch no. 3 changes the Speed
of the motor.
B-23
WITH
HYGRO WITH
RB
23/30 SWITCH
DIAGRAM (C)
- 6 wires from the RB 23/30 switching unit to the connection
in the 8-23 fan unit (connection cover
-
Strip) (see diagram
C) in addition to two power cables for the RB 23/30 switch
and an earth connection to eliminate any interference.
-
Move switch no. 1
(x .
to the AUT position. The fan
is controlled by the degree of humidity in the premises.
When humidity is detected the fan will start Operation as an
extractor at maximum speed, the LED indicator will light
and the shutters open. This position cancels the operations
of switches no. 2 and no. 3. The degree of humidity detec-
ted can be adjusted by turning the blue knob. The red knob
adjusts the timer.
B-23 WITHOUT RB 23/30
SWITCH
Connect the B-23 fan unit without the RB 23/30 switch as
shown in diagram A. Use a two-Position double switch.
B-23 (extractor function) according to diagram no.
1.
B-23 (blower function) according to diagram no. 0.
CERTIFICATE OF GUARANTEE
We grant
1
year guarantee on the product. In the event this
product fails to function properly during the guarantee
period, the product will be repaired free of Charge unless the
said malfunction is the result of improper use or modification.
This guarantee is in addition to any rights of the purchaser
pursuant to regulations in forte.
CONDITIONS OF GUARANTEE VALIDITY
- No Claim will be taken into account without the guarantee
card, which must be duly completed, including the
purchase date and the retailer’s stamp.
- Upon purchasing the equipment, insisT that the guarantee
card is duly filled in.
- All guarantee repairs must be performed by an authorized
CATA Technical Assistance Service.
1
-
Front grid
2
-
Shutters
3
-
Cirtuit cover
4
-
Connection box cover
5
-
Condenser
6
-
Housing
7
-
Cable cover
8
-
Motor
9
-
Fan blades
IO
-
Inner ring
11
-
Exterior grille
12
-
Outer ring
13
-
Connection piece
14
-
Mechanism cover
15
-
Thermal-switch
