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42 

Use checklist B to document the maintenance work completed. 

  Inspection and cleaning of the heat exchanger  

In doing so, proceed as follows: 

1.  Disconnect the FOCUS unit from the mains power supply. 
2.  Press the two snap fasteners 

A

 on the bottom of the 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 seam of the housing.  

 

Fig. 38: Opening the front panel 

4.  Use strap 

C

 to pull the EPP foam cover 

D

 for the filters and heat exchanger out of the EPP housing. To do 

this, grip the strap at one end and pull while using your other hand to support the unit. 

Содержание FOCUS 200 Base

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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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