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1  Introduction 

This section contains general information on the heat recovery unit FOCUS.

 

  Warranty and Liability 

1.1

  Warrant Terms 

1.1.1

Our “General Terms and Conditions” apply to the FOCUS in their respectively valid version. The warranty 
is  determined  by  the  legal  warranty  terms.  It  solely  applies  to the  replacement  of material  and  does  not 
include the service. It only applies if it is proven that maintenance is carried out by qualified personnel in 
accordance with our regulations.   

The warranty shall expire once/ when: 

  the warranty period has elapsed; 

  the device is operated without original Paul-filters; 

  parts are installed which were not delivered by the manufacturer;  

  the device is improperly used; 

  the defects occur due to incorrect connection, improper use or soiling of the system;  

  unauthorised changes or modifications on the plant are made.  

  Liability 

1.1.2

The FOCUS was developed and manufactured for use in so-called comfort ventilation systems. Any other 
use is considered as “improper use” and can result in damages to the  focus  or in personal injuries, for 
which the manufacturer cannot be made liable. The manufacturer is not liable for any damage, which is 
due to the following causes: 

 

Non-observance of the notes on safety, operation and maintenance, stated in this manual;  

 

The installation was not performed according to the regulations; 

 

Mounting of the spare parts, which were not delivered and prescribed by the manufacturer;  

 

The defects occur due to incorrect connection, improper use or soiling of the system; 

 

The warranty period has elapsed; 

 

Normal wear. 

  Safety 

1.2

Please always observe the safety instructions in this operating manual. The non-observance of the safety 
instructions, warning notices, notes and instructions can lead to injuries or damages to the FOCUS. 

  Intended use 

1.2.1

This device is not intended to be used, maintained or cleaned by persons (including children) with limited 
physical,  sensory  or  mental  aptitude  or  without sufficient  experience  and/or  knowledge,  unless  they  are 
supervised by a person responsible for safety or have received instructions by that person on how to use, 
maintain and clean the device. Children must not play with the device.  

1.2.1.1 

Heat recovery unit FOCUS 

The heat recovery unit can be used for controlled ventilation in living and office areas (with reservations in 
the industrial sector) at usual interior air humidity of approx. 40 

– 70 % r. H., temporarily up to approx. 80 

% r. F. Any other use is considered as being diverted from the intended use. The heat recovery unit is not 
designed to discharge excessive air humidity, especially in the first utilisation phase of new buildings.  
For  safety  reasons,  it  is  not  permitted  to  modify  the  product  or  to  install  parts  which  are  not  expressly 
recommended  for  this  product  or  distributed  by  PAUL  Wärmerückgewinnung  GmbH.  Only  use  the 
FOCUS in accordance  with the  information contained in the  enclosed documentation  and  the standards 
and directives valid on site: 

  Do not mount the device in explosion-prone areas;   

  Do not use the device to exhaust inflammable or explosive gases; 

Lethal voltages occur inside the FOCUS: 

 

Only operate the device with the casing cover being mounted; 

The specifications mentioned in this document must not be changed: 

Summary of Contents for FOCUS 200 Base

Page 1: ...Version 1 0_06 2016 DE...

Page 2: ...nder FOCUS 200 Base series The types of device FOCUS 200 Base are hereinafter referred to under the product name FOCUS unless details are for type differentiation The heat recovery unit HRU FOCUS has...

Page 3: ...ost ventilation mode with external boost ventilation sensing device 11 2 2 3 Maintenance by the operator 11 2 3 Replacement of the filter 11 2 3 1 Reset of filter runtime 14 2 3 2 What to do in the ev...

Page 4: ...9 3 7 1 Technical specification 29 3 7 2 Dimensional sketch 31 3 7 3 Circiut diagram FOCUS 200 base 32 3 7 4 4 Annexes 33 Checklist A Maintenance Works User 33 4 1 Checklist B maintenance works qualif...

Page 5: ...tem The warranty period has elapsed Normal wear Safety 1 2 Please always observe the safety instructions in this operating manual The non observance of the safety instructions warning notices notes an...

Page 6: ...ioning of electrical equipment Knowledge and attention of the building security and installation rules valid on the spot of the appropriate municipalities the waterworks and power plant and other offi...

Page 7: ...ade of high quality polypropylene provides the necessary heat insulation and device noise protection The FOCUS includes two maintenance free 230 Vac radial fans with the integrated power supply unit a...

Page 8: ...imit at the device falls below the threshold value of 3 C the fans are switched off temporarily if no external frost protection measure on the device is effective The device control activates an optio...

Page 9: ...king By pushing again the extract air mode is deactivated again This push button cannot be operated when the ventilation device is run with a heat producing appliance unless the supply air mode is act...

Page 10: ...ting mode normal mode exhaust and supply air LED extract air symbol lights Operating mode extract air mode active extract air only LED supply air symbol lights Operating mode supply air mode active su...

Page 11: ...rs available inside the ventilation plant and change them if necessary A replacement or cleaning of the filter mats at the extract air valves e g bathroom kitchen W C s should be carried out every 2 3...

Page 12: ...eat exchanger from the foam material housing Besides take the pull band at one of the ends and go besides counter hold the device with the other hand Fig 6 Dismantlement of the foam cover for filter a...

Page 13: ...regard to the flow direction F The filters are marked with an arrow according to the required flow direction Fig 8 Install the new filter Pollen filters are to be inserted in the filter slide in comp...

Page 14: ...in the living space Therefore the long term shutdown of the FOCUS has to be avoided For the period of absence the plant should be operated at the lowest fan speed or in the un occupied mode Disposal 2...

Page 15: ...s to be mounted horizontally During the wall mounting check the required load capacity of the wall construction dead load of FOCUS 25 kg and the safe mounting option of the mounting sheet For inapplic...

Page 16: ...e rubber buffer D in the bottom corner region on the rear panel of the device Fig 11 Mounting of the rubber puffer 3 Hang the FOCUS on the mounting sheet by hooking the tongues B in the slot openings...

Page 17: ...parts Fig 13 Parts of the mounting frame Mount the individual parts of the mounting frame in accordance with the figures Thereby proceed as follows 1 The short side part is vertically offset and to s...

Page 18: ...sheet metal screws D in the designated bore holes E of the side part Fig 17 Screwing of the mounting sheet to the mounting frame 5 Now adjust the completed mounting frame perpendicularly and stably to...

Page 19: ...ided since during defrosting of possible ice formations they might fall onto the blades of the exhaust air fan and cause damage to these blades Fig 20 Arrangement drainage of the intake air duct and e...

Page 20: ...ordance with the schematic diagram Fig 22 Condensate connection Version LEFT The condensate drain must not be directly connected to the sewage system e g finishing freely in a hopper with a siphon at...

Page 21: ...s of the control panel The cables have to be led through the cable glands M16 The required number of pre punched cable bushings C has to be broken off Fig 23 Surface of the electrical connections Posi...

Page 22: ...unden werden Terminal X0 control board Signal X0 01 12 V X0 02 Us control voltage supply air fan X0 03 Ue control voltage exhaust air fan X0 04 GND Tab 6 Terminal assignment terminal X0 control unit C...

Page 23: ...s 1 200 W Terminal X4b control board Wire cable preheater battery X4b 44 Wire 1 PE X4b 45 Wire 2 Lvo X4b 46 Wire 3 N Tab 9 Terminal assignment connection external preheater battery Commissioning of th...

Page 24: ...lume flows to the air valves by means of a volume flow hood and an anemometer see air volume log Adjustment of the air gap on the valve must not be too narrow aerodynamic noises Better Adjustment of a...

Page 25: ...he heat exchanger is carried out depending on the degree of soiling the maintenance interval should not exceed two years The maintenance work performed must be documented in check list B Inspecting an...

Page 26: ...the filters and the heat exchanger D from the foam housing Thereby take and pull the strap at one of the ends and counter hold the device with the other hand at the same time Fig 28 Dismantlement of t...

Page 27: ...housing Fig 30 Remove the heat exchanger 7 Clean the heat exchanger as following Dip the heat exchanger into warm water several times max 40 C Subsequently thoroughly rinse the heat exchanger using w...

Page 28: ...ting the heat exchanger into the HRU 9 Afterwards mount all parts in reverse order 10 Re establish the mains connection Replacement of the heat exchanger against the summer box 3 5 2 The summer box ha...

Page 29: ...t air connection Technical specification 3 7 2 General specification Description value Type of heat exchanger Counter flow channel heat exchanger of plastic Casing internal lining Steel sheet galvanis...

Page 30: ...sion acc to DIN EN ISO 3743 1 distance of 3 m 30 dB A at 155 m h 100 Pa 24 dB A at 200 m h 100 Pa Tab 13 Operating data p characteristic curve Please note The numerical values of the p characteristic...

Page 31: ...31 Dimensional sketch 3 7 3 Fig 32 Dimension drawing...

Page 32: ...32 Circiut diagram FOCUS 200 base 3 7 4 Fig Terminal assignment FOCUS 200 Base...

Page 33: ...ilter change cycle 90 days Quarter Year I II III IV 20 20 20 20 20 20 20 20 20 20 2 Clean extract air prefilter filter in extract air valves change approx every 2 months Quarter Year I II III IV 20 20...

Page 34: ...yes no Are the control devices and control units functional yes no 3 Air duct heat insulation Is the device cleaned if required Is the testing in place If required refer to VDI 6022 for cleaning yes n...

Page 35: ...planned There is an option to clean yes no yes no yes no 5 Exhaust air line There is an option to clean yes no 6 Exhaust air ventilator There is an option to clean yes no 7 Control unit and control de...

Page 36: ...clean approx days used Very dirty Supply Air Ventilator stage No Room Description Project Date Measurement Data m h m s m h m s Exhaust Air Ventilator stage No Room Description Project Date Measureme...

Page 37: ...37 Product fiche 4 5...

Page 38: ...ct label which applies for the ventilation plant conforms to the installation of the plant and to the model identifier of the product data sheet The product label shows the following information from...

Page 39: ...ctive 95 16EG New version Applicable Standards EN ISO 12100 Safety of machines risk assessment and risk minimization EN ISO 3744 Acoustic Provision of sound power levels of noise sources from sound pr...

Page 40: ...Version 1 0_06 2016 DE PAUL W rmer ckgewinnung GmbH August Horch Str 7 08141 Reinsdorf Germany Tel 49 0 375 30 35 05 0 Fax 49 0 375 30 35 05 55 info paul lueftung de www paul lueftung de...

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