Zehnder Rittling ComfoSwitch C Series User Manual

EN - 13
3. Press MODE to conrm or
Press and hold MODE to cancel
the operation.
When no button is operated for
10 seconds any adjustment made is
cancelled. The unit will return to normal
operating mode.
7 Filter status
The lter status is represented by the
lter LED:
■ OFF: Filter OK / No failure;
■ BLINKING: Order replacement
lter;
■ ON: Replace lter.
8 Malfunction alerts
Menu item
LED 1 LED 2 LED 3
HRU
initializing /
HRU service
mode
ERROR (all
LEDS are
blinking)
Initalisation /Service mode error: LED 1,
LED 2 and LED 3 are blinking. Air ow
cannot be set and there is no ventilation.
Check HRU display and HRU manual to
x this error.
Error: Any other HRU or system
malfunction, all indicator LEDs on the
device are blinking. Check HRU display
and HRU manual to x this error.
9 Installation
Disconnect the ventilation unit from the
main power before installing the device.
Always follow local safety regulations.
During assembly, ensure that ALL
screws are tight.
If ordered (g 4.1 - 4.5):
1. Attach the wall-mounting casing I
with the plugs H and screws G to
the wall.
2. Fasten the wall frame A with the
screws (F) on the wall, wall-mounting
casing (I) or mounting plate (E).
3. Put the communication cable
through the design frame X and
resize window (D).
4. Plug in the communication cable
(g 4.5), to connect the ventilation
unit and the device.
5. The cable requirements are:
■ 2x twisted pair, unshielded,
(preferably in compatible colours
with the colour coding of the
connectors);
■ Stiff (solid) wires (not exible
type), for push-in clamps;
■ Specication according to DIN
VDE 0281: J-Y(St)Y 2 x 2 x 0,6.
6. Attach the device (B) (with the
design frame X and the resize
window D) with the screws E to
the frame A.
To replace, use any of the following
screws:
■ Hardened and galvanized steel
screw 2.2 x12 PT10;
■ M2.2x 12 cross recess plan
plas-x45°.
7. Push the cover C into its place.
10 Commisioning
Turn ON the main power of the
ventilation unit. When the device rst
starts, the LED 1, LED 2 and LED 3 are
blinking.

Zehnder Rittling ComfoSwitch C Series Specifications

General

Brand	Zehnder Rittling
Model	ComfoSwitch C Series
Category	Control Unit
Language	English