Zehnder Rittling ComfoAir 800, Manual

6 - EN

Checking the delivery

Contact your supplier immediately in case of damage 
or an incomplete delivery. The delivery should at 
least include:

� 

The unit; Check the identification plate to ensure 
that it is the required type.

� 

Seal cap, seal plug, cable feed in packaging;

� 

Hoisting instructions (attached to the operating 
side);

� 

Documentation.

The unit can be supplied in the following sizes:

ComfoAir 800 

ComfoAir 3300 

ComfoAir 1500 

ComfoAir 4400 

ComfoAir 2200 

ComfoAir 6000 

Meaning of the suffixes found on the 
identification plate:

Suffix

Explanation

ComfoAir XL
ComfoAir Eco

Product family name

2200

Product type name (air 
volumes in m3/h)

CFE

The unit has a counterflow 
plate exchanger installed as 
default. 

A

The unit has a modulated frost 
bypass installed in the outdoor 
air as default.

L

The unit is a left-hand version.
(Exhaust/Supply Left)

R

The unit is a right-hand 
version. (Exhaust/Supply 
Right)

B

The unit has an open/close 
bypass installed as default.

BM

The unit has a modulating 
bypass installed as default.

I

The unit is suitable for indoor 
installation;

O

The unit is suitable for outdoor 
installation;

PF

The unit has a panel filter 
installed as default.

BF

The unit has a bag filter 
installed as default.

CL

The unit has a cooler installed 
as default.

PRH

The unit has a pre heater 
installed as default.

POH

The unit has an postheater 
installed as default.

DMP ODA

The unit has an outdoor air 
damper installed as default

DMP EHA

The unit has an exhaust air 
damper installed as default

The identification plate detailing information on the 
unit can be found on the operating side of the unit. 

 Suffixes between brackets mean there is space 

reserved for installing the specified function.

3.  Installation conditions

In order to determine whether the unit can be 
installed in a certain area, the following aspects 
must be taken into account:

� 

Check whether the admissible load (kg/m2) of the 
roof or floor is sufficient to bear the given weight 
of the unit;

� 

The system must be fitted to allow sufficient 
room around the unit for the air duct connections, 
condensation drain as well as for carrying out 
maintenance activities like a filter exchange;

 To ensure components can be replaced, at least 

one casing‘s width of free space is required.

� 

The condensation must be drained off frost-free, 
at a gradient and incorporate an air seal (U-bend 
or dry siphon);

� 

The room must offer the following provisions:

- Air duct connections;

- Electrical power connection;

- Provisions for the condensation drain;

- Facilities for battery or batteries.

4.  Technical specifications

The units specific technical specifications are added 
separately to the unit. This can includes the following 
information:

� 

Dimension sketch;

� 

Wiring diagram;

� 

Air specifications;

� 

Parameter list with Factory settings.

All general technical information can be found in this 
document.

4.1 NTC sensors

The unit has 7 analogue temperature inputs.
The first 5 temperature inputs have a preset function. 
The function of temperature sensors 6 and 7 can 
be set (parameter M50). Only NTC sensors can be 
connected to these inputs.

The resistance of the NTC sensors in the unit are as 
follows: 

Temperature

Resisitance [kΩ]

[ºC]

MIN.

MED.

MAX.

10

19.570

19.904

20.242

15

15.485

15.712

15.941

18

13.502

13.681

13.861

19

12.906

13.071

13.237

20

12339

12.491

12.644

21

11.801

11.941

12.082

22

11.291

11.420

11.550

25

9.900

10.000

10.100

30

7.959

8.057

8.155