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 47 

 

Technical description 

  Unit types 

FOCUS 200 series 

Ventilation unit with cross-counterflow heat exchanger made from plastic 

FOCUS F 200 series 

Ventilation unit with cross-counterflow enthalpy exchanger with polymer membrane 

  Air connection design versions 

Version with air connections on LEFT 

Version with air connections on RIGHT 

 

 

Table 40: Overview of air connection design versions 

  Technical specification 

General specifications 

Description / Value 

Heat exchanger type 

Cross-counterflow heat exchanger made from plastic 

(FOCUS 200 series) 

 

Cross-counterflow enthalpy exchanger with polymer 

membrane (FOCUS F 200 series) 

Housing / Interior lining 

Galvanised sheet steel, powder-coated, free of thermal 

bridges; interior lining is made of expanded polypropylene 

(EPP) to provide thermal and sound insulation

 

Pipe connections 

DN 125 (sleeve size) 

Weight 

25 kg 

Electrical connection 

230 VAC, 50–60 Hz; 2 m mains cable with non-heating 

device plug connection 

Connection power 

140 W  

Protection class 

Degree of protection 

IP 30 

Temperature range for transport and storage 

-20 to 50 °C 

Temperature range for moving air 

-20 to 50 °C 

Temperature range at the mounting location 

Permanently frost-free 

Mounting position 

Horizontal wall mounting or on a floor stand (optional)  

Operation data 

Value 

Volume flow 

45 to 200 m³/h 

Efficiency criterion 

0.31 Wh/m³ (at 135 m³/h / 100 Pa) 

Waste heat recovery according to PHI 

91% (at 135 m³/h / 100 Pa); FOCUS 200 

Sound pressure level, distance of 3 m (unit 

emission according to DIN EN ISO 3743-1) 

30 dB(A) (at 155 m³/h / 100 Pa) 
24 dB(A) (at 200 m³/h / 100 Pa) 

Certificates, approvals 

FOCUS 200 

 

 

Passivhaus certificate 

 

 

Certificate according to NBN EN 

308 

 

 

DIB approval AbZ Z-51.3-272

 

Table 41: Technical specifications Focus (F) 200 

 

 

Summary of Contents for FOCUS 200 Base

Page 1: ...Translation of the original instruction manual Heat Recovery Unit FOCUS F 200...

Page 2: ...this manual in part or as a whole The information contained in these documents is the property of Zehnder Group Any form of publication whether in whole or in part requires the written approval of Zeh...

Page 3: ...ions and signals 13 Menu structure of the TFT control panel 14 Main menu Information 15 4 3 1 1 Sub menu Current message 15 4 3 1 2 Sub menu Last message 15 4 3 1 3 Sub menu Fan speeds 16 4 3 1 4 Sub...

Page 4: ...37 5 5 2 1 Adjusting the nominal air volume flow with TFT control panel 37 5 5 2 2 Adjusting the nominal air volume flow with LED control panel 38 Adjusting the valves 38 Menu settings by qualified pe...

Page 5: ...anual deals with the various design variants of the FOCUS ventilation unit Possible accessories are only described to the extent necessary for appropriate operation of the unit Please refer to the res...

Page 6: ...e ventilation system must be switched off if the safety feature is triggered In case of open flue fireplaces for solid fuels the ventilation system must be switched off if the safety feature is trigge...

Page 7: ...nd intended way Symbols used You will find the following symbols in this document Symbol Meaning Important note Caution Risk of affecting the operation of the ventilation system or damaging the unit C...

Page 8: ...humidity ambient conditions for indoor climate control system must not continuously exceed 70 RH at 22 C The unit must not be installed in rooms subject to explosion hazards Inside wet rooms the unit...

Page 9: ...et steel Table 1 FOCUS main components Type label The type label identifies the product unequivocally You will need the details on the type label for the safe use of the product and in case of questio...

Page 10: ...ty requirements with regard to low pressure screening and a switch off function is required for the ventilation unit Key Supply air mode Pushing this key sets the supply air mode only The extract air...

Page 11: ...is status is signalled by the blinking of LEDs L8 and L10 With the setting keys the upper temperature limit for summer ventilation depending on the extract air temperature can be set between 21 C LED...

Page 12: ...for the selected fan speed Displayed only during the configuration phase L11 lights up Extract air mode L11 blinks Error fan 1 HALL Fans are switched off L11 blinks briefly 3 times Extract air mode de...

Page 13: ...weekly profile can be configured and individually adjusted in the menu settings sub menu automatic timer The automatic sensor mode controls the fan according to a pre set linear characteristic curve d...

Page 14: ...r the time in minute or hour increments The data is only saved when the enter button is touched Buttons Navigation By touching the navigation buttons left right and up down you can navigate in the men...

Page 15: ...4 3 1 1 Sub menu Current message In this sub menu information e g replace filter or errors e g sensor disruption are shown as current messages In addition to this message a yellow warning triangle bli...

Page 16: ...erating hours time during which the unit is connected to the mains voltage Fan operating hours time in which the fans are operating Main menu Settings In the main menu Settings users can make changes...

Page 17: ...on mode ECO In the ECO mode the standard heat exchanger can freeze under extreme conditions The energy cost for frost protection is lower Display area Frost protection mode Safe In the Safe mode freez...

Page 18: ...previous settings of the individual days Fig 6 Automatic timer factory setting groups weekdays Mon Fri Fan speed Time frame Time 000 2400 FS1 830 1600 FS2 000 800 1600 2400 FS3 800 830 Table 9 Time f...

Page 19: ...elected with the navigation buttons and the values adjusted with the buttons Symbol Description Sensor output signal 0 10 V characteristic curve 4 20 mA characteristic curve Characteristic curve start...

Page 20: ...er ventilation function can be selected with the navigation buttons red text background and adjusted with the buttons If the boost ventilation mode is activated during the active phase the summer vent...

Page 21: ...o enable rapid extraction of high humidity and odours When this control module is activated the functional features and displays described for the boost ventilation mode with LED control panel or TFT...

Page 22: ...n the snap fastener area at an angle of no more than 15 and unhook it from the lock seam of the housing Fig 10 Opening the front panel 4 Use strap C to pull the EPP foam cover D for the filters and he...

Page 23: ...ing them by the strap pull the filters E out of the filter compartments Fig 12 Pulling out the filters 6 On the filter frame of each filter there is an arrow to indicate the prescribed direction of fl...

Page 24: ...r running time must be reset The filter running time can be reset with a programmed digital input signal or with each connected control unit 4 4 2 1 Reset filter running time with LED control panel Sy...

Page 25: ...of a fault Note the error display or malfunction code of the used control panel Note down the type of your FOCUS unit see the type label on the side of the unit where the air connections are located...

Page 26: ...he general and locally applicable safety and installation regulations such as the electric and water utilities etc and in accordance with the regulations stipulated in this instruction manual Frost fr...

Page 27: ...the wall construction has the necessary load bearing capacity net weight of the FOCUS unit is 25 kg and that the fastening sheet can be mounted securely In case of unsuitable walls we recommend using...

Page 28: ...FT 2 Stick one of the supplied self adhesive spacers D in each corner on the rear of the unit Fig 18 Spacers mounting 3 Hook the FOCUS unit onto the fastening sheet by inserting the lugs B into the sl...

Page 29: ...Assemble the individual parts of the floor stand as shown in the illustrations Proceed as follows 1 Working in the direction of the arrow place the short base part at right angles to the long base par...

Page 30: ...mb vertical and stable Then fix it in this height position with the lock nuts of the adjustable feet Fig 25 Aligning the floor stand 6 Place the FOCUS unit on the floor stand so that the lugs of the f...

Page 31: ...to the blades of the exhaust air fan when it thaws causing damage to the blades Fig 27 Drainage arrangement for outdoor and exhaust air tubes If an attenuator is fitted at the exhaust air connector it...

Page 32: ...T The siphon must not be connected directly to the sewer tunnel network e g whereby the condensate flows freely into a funnel with a siphon connected to the sewer tunnel Siphons can dry out The siphon...

Page 33: ...s Item Description A 3 pole rubber connector B RJ45 socket C Cover plate screws 4x D Master Controller E Pre punched cable guide 3x for M16 cable gland 5 9 5 FOCUS circuit plan 5 9 6 Master Controller...

Page 34: ...ts of the respective boards Fig 34 Touch pad with stainless steel frame Ribbon cable of the connecting board touch pad with stainless steel frame latched into the concealed base plate from left to rig...

Page 35: ...al control panels with the same address number results in a communications error The operating mode of the ventilation unit is based on the latest control command on one of the connected TFT control p...

Page 36: ...signation X1 9 Status relay make contact max 24 V switching voltage X1 10 Status relay two way contact max 24 V switching voltage Table 24 Terminal assignment of status relay connection Connecting ext...

Page 37: ...cording to the characteristic curve diagram 1 Fig 36 with control unit TFT control panel under Setup sub menu fan speeds or according to Table 29 with control unit LED control panel 5 5 2 1 Adjusting...

Page 38: ...s to be set for the nominal air volume flow FOCUS with Led control panel Adjusting the valves At the start of volume flow measurement make sure that the supply air and extract air valves are open as w...

Page 39: ...ns Navigation Temperatures Touch the navigation buttons to select red text background and confirm with the Enter button Buttons Navigation Frost protection limits The nominal values red text backgroun...

Page 40: ...1 3 Sub menu Supply heater In the sub menu Supply heater the following settings are carried out Parametrisation of the channel temperature 50 C factory setting Selecting the supply heater register ty...

Page 41: ...unction 5 6 1 5 Sub menu Ground heat exchanger shutter This menu shows whether a GHE shutter ground heat exchanger shutter is present Symbol Description Explanation Actions Button Check mark By touchi...

Page 42: ...e unit Fig 37 Pressing the snap fasteners 3 Remove the front panel B gradually as indicated by the arrows To do this open the front panel at an angle of no more than 15 and unhook it from the lock sea...

Page 43: ...g out the EPP foam cover 5 Holding them by the strap pull the filters E out of the filter compartments Fig 40 Pulling out the filters 6 Holding it by the strap F pull the heat exchanger G out of the E...

Page 44: ...heat exchanger to dry fully before reinstalling it Instructions for proper disinfection can be found at www core life 8 Install the heat exchanger Take care when installing the heat exchanger On the...

Page 45: ...e with the presentation possibilities of the connected control panel As a reaction to an error status the fans are shut down Error display with LED control panel The display of errors with the LED con...

Page 46: ...r temperature nominal value longer than 30 min Outdoor air temperature nominal value control after 1 h Error fan 1 HALL Version LEFT Supply air fan reports no rotational speed Version RIGHT Exhaust ai...

Page 47: ...to provide thermal and sound insulation Pipe connections DN 125 sleeve size Weight 25 kg Electrical connection 230 VAC 50 60 Hz 2 m mains cable with non heating device plug connection Connection power...

Page 48: ...e The numerical values shown in the p characteristic curve diagram indicate the power consumption in W for the respective operating points Table 42 Diagram 2 p characteristic curve FOCUS 200 Volume fl...

Page 49: ...49 Dimensions Fig 43 Dimensional drawing FOCUS...

Page 50: ...50 FOCUS circuit plan Fig 44 Terminal assignment circuit diagram FOCUS...

Page 51: ...51 Master Controller terminal assignment Fig 45 Master Controller terminal assignment...

Page 52: ...ent cycle 90 days Quarter Year I II III IV 20 20 20 20 20 20 20 20 20 20 2nd Extract air supplementary filter clean the filters in extract air valves filter replacement cycle approx 2 months Quarter Y...

Page 53: ...ns and clamping assemblies secure yes no Are the regulating and control units functional yes no 3 Ventilation tube heat insulation Has cleaning if necessary been carried out Testing OK For cleaning wh...

Page 54: ...n as planned Cleaning option provided yes no yes no yes no 5 Extract air duct Cleaning option provided yes no 6 Extractor fan Cleaning option provided yes no 7 Control regulation system Operational ye...

Page 55: ...days used very dirty Supply air Fan speed No Room name Project data Measurement data m h m s m h m s Extract air Fan speed No Room name Project data Measurement data m h m s m h m s Pel W The listed...

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