Zehnder Rittling ComfoAir 200, Manual

   11 - EN

2.9 P menus for the user

The software of the unit can be customised to the 

users requirements by changing the values in the 

P-menus of the software.

Menu P1 and menu P9 are read-only menus, menu 

P2 is for setting time delays among other things.

A summary of all the accessible P-menus is given 

below.

Menu P1 > Status of time programmes

Status

Submenu

Description

Activated

P11

Is menu P21 currently active?

Yes (1) / No (0)

P12

Is menu P22 currently 
active?

Yes (1) / No (0)

P13

Is menu P23 currently 
active?

Yes (1) / No (0)

P14

Is menu P24 currently active?

Yes (1) / No (0)

P15

Is menu P25 currently active?

Yes (1) / No (0)

P16

Is menu P26 currently 
active?

Yes (1) / No (0)

P17

Is the Summermode 
currently active?

Yes (1) / No (0)

Menu P9 > Status of additional programmes

Status

Submenu

Description

Activated

P90

Open fire programme active?

Yes (1) / No (0)

P91

Bypass open?

Yes (1) / No (0)

P94

n/a

Yes (1) / No (0)

P95

Frost protection or pre 
heater active?

Yes (1) / No (0)

P97

Enthalpy programme active?

Yes (1) / No (0)

3

 Not available on the ComfoAir 180.

Menu P2 > Setting time delays

Time delay values

Submenu

Description

Minimum

Maximum

General 
reset

P21

  Only applies to systems 

fitted with a bathroom 
switch.

Delay timer for the bathroom switch (to switch to high 
position).

Q

‘x‘ minutes after operating the bathroom switch,  
the unit switches to the high setting.

0 Min.

15 Min.

0 Min.

P22

   Only applies to systems 

fitted with a bathroom 
switch.

Overrun timer for the bathroom switch (to switch to normal 
position).

Q

‘x‘ minutes after operating the bathroom switch, the unit 
switches back to the normal setting.

0 Min.

120 Min.

30 Min.

P23

  Only applies to systems 

fitted with a CCB, or CCBL

3

switch.

Overrun timer for ventilation position 3 (using a hardwired  
3-position switch).

Q

If ventilation setting 3 (high) is switched on briefly  
(< 3 sec), the unit will switch to the high setting for ‘x’ 
minutes and then automatically returns to the  
normal setting.

If any switch is operated during this lagging time the unit will 
instantly revert to the ventilation position as set at that time.

0 Min.

120 Min.

0 Min.

P24

Filter warning

Q

‘x’ weeks after cleaning or replacing the filters the “filter 
dirty” alert will reappear.

10 weeks

26 weeks

16 weeks

P25

n/a

1 Min.

20 Min.

10 Min.

P26

n/a

1 Min.

120 Min.

30 Min.

P27

n/a

0 Min.

120 Min.

30 Min.