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6 - EN

4  Technical specifications

ComfoAir E350

Performance

Minimum airflow if preheater on

100 m

3

/h

Minimum airflow if preheater off

50 m

3

/h

Maximum airflow

350 m

3

/h

Heat efficiency level

1

91%

Electrical connection details

Maximum performance/power without preheater

2

120 W

1.03 A

Maximum performance/power with preheater

2

1580 W

7.38 A

Power supply

230 V ± 10%, single phase, 50 Hz

Cos 

φ

0.34 - 0.51

Mechanical connection details

Dimensions of air connection (Ø)

Internal: 160 mm

External: 190 mm

Dimensions of condensation drain (Ø)

32 mm

Material specifications

Casing

Coated sheet steel

Inner surface

EPP and ABS

Heat exchanger

Polystyrene

General

Temperature range during transport and storage 

-20°C to +50°C

Temperature range moved air

-15°C to +50°C

Temperature range of installation area

>8°C (is not a range)

Relative humidity of installation area

<90% (non-condensing)

IP classification

IP 41

ISO classification

B

Weight

50 kg

Filter class

ISO Coarse and ISO ePM1 according to ISO 16890 (G4/F7)

ComfoAir E350

Qv

m

3

/h

Pst

Pa

P

W

cos 

φ

-

SFP

Wh/m

3

Lw, supply

dB(A)

Lw, return

dB(A)

Lw, casing

dB(A)

1

150

25

22

0.38

0.15

49

36

34

2

200

50

36

0.42

0.18

53

40

38

3

245

50

46

0.44

0.19

56

42

41

4

250

100

59

0.46

0.24

59

44

43

5

300

100

73

0.47

0.24

62

47

46

6

350

100

90

0.48

0.26

65

49

49

7

250

150

71

0.47

0.28

61

46

45

8

300

150

86

0.48

0.29

63

48

48

9

350

150

104

0.49

0.30

66

51

50

1

2

3

5

6

8

9

0,17

0,22

0,27

37

40

43

46

49

4

7

0

50

100

150

200

250

0

50

100

150

200

250

300

350

Ps

t (Pa

)

Qv (m³/h)

ComfoAir E 350

SFP (Wh/m³)

Lw (dB[A])

qv_max

SFP in Wh/m³ calculated based on the details as per 
EN13141-7: 2010
Cos 

φ

 with preheater deactivated

Lw in dB(A) reference 10ˉ¹² W
Casing radiation measured according to ISO 3741: 2010
Supply and extract air noise measured according to ISO 
5135: 1997 (values are corrected for muzzle reflection)

1

 According to EN13141-7:2010

2

 At -15°C and maximum airflow.

Summary of Contents for ComfoAir E 350

Page 1: ...Cooling Ventilation Filtering Heating ComfoAir E350 Manual for the installer...

Page 2: ...ew filters Contact details Information given in the Instructions for the user General information about the ventilation system Warranty and liability conditions EC declaration of conformity Replacing...

Page 3: ...specifications 16 6 4 RF controls 17 6 5 Explanation of VENTILATION SETTINGS menu 18 6 6 Explanation of REPLACE FILTER warning 18 6 7 Explanation of ALTITUDE menu 18 6 8 Explanation of TEMPERATURE men...

Page 4: ...amage the electronics When working with electronics always take protective measures to prevent electrostatic discharge such as wearing an antistatic wristband If the power cord is damaged it must be r...

Page 5: ...have received the correct unit type Mounting bracket Documentation Connector set Protective cover Condensation drain adapter 32 mm pipe Condensation drain sealing cap Information available on the iden...

Page 6: ...n area 90 non condensing IP classification IP 41 ISO classification B Weight 50 kg Filter class ISO Coarse and ISO ePM1 according to ISO 16890 G4 F7 ComfoAir E350 Qv m3 h Pst Pa P W cos SFP Wh m3 Lw s...

Page 7: ...tective cover of the display C Power cable with 230 V plug not illustrated D 2 adjustment caps E Input for connecting a bathroom switch F 4 connections for the air ducts G 2 condensation drains to dra...

Page 8: ...door air after preheater VV Preheater S44 TEMP SENSOR 21 outdoor air after preheater n a C1 0 10 V input C2 Bathroom switch C3 n a C4 Malfunction dirty filter alert LED SAI Flash Output voltage at mal...

Page 9: ...EN 9 Front view of main PCB...

Page 10: ...180 200 CA300 CA400 Above view Frontal view Below view Side view Ma skizzen 10 NL 4 3 Maatschets 40 850 60 235 10 725 490 123 560 160 190 280 5 265 250 100 180 200 CA300 CA400 10 NL 4 3 Maatschets 40...

Page 11: ...escribed in the section on the condensation drain 6 Example air duct 7 Example valve 8 Install the air ducts to the unit as described in the section on air ducts Only remove the protective cover just...

Page 12: ...ir seal siphon To drain the condensation from the unit two bayonet connections are located on the bottom of the unit These connections are not airtight Consequently it is necessary to close the unused...

Page 13: ...densation on the outside of the duct Zehnder recommends that you fit thermal and moisture resistant insulation to the supply duct from the unit up to the supply valves This will prevent unnecessary te...

Page 14: ...on C Child lock is engaged D Icon for activating the menu screen E Icon for activating the comfort temperature menu F Icon for activating the filter replacement menu G Icon for activating the error re...

Page 15: ...HIGH SETTING OUTDOOR AIR TEMPERATURE MEDIUM SETTING EXHAUST AIR TEMPERATURE LOW SETTING EXTRACT AIR TEMPERATURE FANS Readout SUPPLY AIR TEMPERATURE SUPPLY FAN RPM FIREPLACE MODE YES NO PREHEATER TEMPE...

Page 16: ...ve using a flow meter Write down the air flow for these valves Adjust the opened valves to the required air flow per room Measure the air flow again at each opened valve using a flow meter Check that...

Page 17: ...n the display of the unit to ON MENU SERVICE MENU RF SETTING ACTIVATION ON You now have 10 minutes to register the RF control Set METHOD on the display of the unit to DISCRETE CONTROL MENU SERVICE MEN...

Page 18: ...before the filters need to be replaced This gives the user enough time to purchase new filters before the dirty filters are to be replaced It is possible to set the alert to appear earlier by increas...

Page 19: ...air is conveyed This ensures longer operation in frost conditions until deactivation 6 12 Explanation of ANALOGUE 0 10 V menu standard and RF SETTING optional The unit can be controlled with any anal...

Page 20: ...es too tight Air ducts have too much resistance ALTITUDE entered incorrectly Filters are dirty Heat exchanger is frozen 6 15 Explanation of RESTORE TO FACTORY SETTINGS menu The factory settings of the...

Page 21: ...ALUE for PI Controller Proportional means that the difference between the desired and measured value is increased by the value k Integral means that the error is constantly summed and that the unit co...

Page 22: ...f the unit based on the CO2 level measured Humidity sensor 0 10 V Wired control for remote automatic control of the unit based on the humidity level measured Malfunction or dirty filter alert Connect...

Page 23: ...n the left hand side ODA Outdoor air SUP Supply air ETA Extract air EHA Exhaust air Wall mounting Installation of air ducts and siphon according to DIN 12056 Installation of the controls L R 280mm 108...

Page 24: ...EN Subject to change Zehnder Group Sales International Zehnder Group Deutschland GmbH Almweg 34 77933 Lahr Germany T 49 78 21 586 392 F 49 78 21 586 406 sales international zehndergroup com www inter...

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