Zehnder Rittling ComfoAir 350 Instruction Manual - page 8
2.2 Available operating elements
The ComfoAir can be fi tted with the following oper-
ating elements:
•
Display on the unit;
• 3-position
switch;
•
Wireless 3-position switch;
•
3-position switch with malfunction indicators;
•
Bathroom switch to temporarily select the
highest ventilation position.
A concise explanation of these operating elements
is given in the paragraphs below.
2.2.1 Display on the unit
The ComfoAir can be operated by means of a digital
display which is mounted on the unit.
select menu
up
OK
down
supply off
supply on
(led green)
(led green)
comfort temperature
Shown in display
Ventilation setting absent
Ventilation setting low
Ventilation setting medium
Ventilation setting high
Menu
symbol
Malfunction code (fl ashes)
Bypass
Access to the menus
Se-
quence
Press
Display
Description
1
MENU
P2
Time delay
2
▲
P9
Status
3
▲
P1
Status
Example
Setting bathroom switch delay
Se-
quence
Press
Display
Description
1
MENU
P2
Time delay
2
OK
P21
Delay timer
3
▲
P22
Select 22
4
OK
30
Current setting
5
▼(10 x or
press and
hold)
20
Select 20
6
OK
P22
Sets the value to 20
7
MENU
P2
8
MENU
1
Fan setting
2.2.2 3-position switch
A 3-position switch can be used to set the venti-
lation positions of the ComfoAir. One or multiple
3-position switches can be fi tted in the house (e.g.
in the kitchen). The following types of switches can
be used:
• Type 1
J Standard 3-position switch;
• Type 2
J 3-position switch with LED
for malfunction and fi lter alerts;
• Type 3
J Wireless 3-position switch with
LED for malfunction and fi lter indication.
If multiple position switches are available in
the house, the ComfoAir will switch to the
highest ventilation setting unless overruled by
an automated software programme.
Setting the ventilation using
3-position switch(es)
A 3-position switch can be used to set 3 different
ventilation positions.
• Position
1
J Low.
- Use for low ventilation levels.
• Position
2
Normal.
- Use if you require normal ven-
tilation.
• Position
3
High.
- Use this position during cook-
ing, showering and when addi-
tional ventilation is needed.
3
2
1
2.2.3 Bathroom switch
A bathroom switch can be used to temporarily set
the ComfoAir in the highest ventilation level. This
switch is mostly fi tted in the bathroom to extract
any excess moisture after showering, as soon as
possible. The bathroom switches vary widely in
model and are therefore not illustrated here.
If required, the bathroom switch can be turned on
and off using a time delay entered via a digital op-
erating device.
Delay timer
This ensures that the ComfoAir does not switch on
at the highest setting when activated, but fi rst waits
for the delay timer to run its course.
2
4 For the user
MENU
A
OK
2
3
X X
X X
1
•