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Heat recovery unit • Installation manual

CF250V-400V

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Summary of Contents for CF250V

Page 1: ...Heat recovery unit Installation manual CF250V 400V ...

Page 2: ...ching the unit 5 5 1 5 2 8 8 9 Electrical installation 5 3 10 Function Test operation Start menu Settings menu 6 6 1 6 2 6 3 11 11 12 13 Annual maintenance Maintenance points Heat exchanger 7 7 1 7 2 19 19 20 Troubleshooting Spare parts list Test operation protocol 8 9 10 21 22 23 Fresh CF Thank you for choosing this product from Fresh Before installing and using the unit you should read through t...

Page 3: ...evices vents grilles and ac cessories The unit s condensate drain must be connected to the building s waste water system Certain applications may require installation of additional sound insulation to ensure permitted noise levels are not exceeded The unit may not be connected directly to a tumble dryer During test operation wait at least five 5 minutes when switching between speeds to allow the u...

Page 4: ...anged to a left hand version by changing the location of the front and rear cover CF400V CF250V 4 2 DIMENSIONAL DRAWING A B C D EØ F G 785 632 722 526 150 520 275 A F B C D G E H H A B C D E F G 550 550 285 140 125 360 90 CF400V CF250V Supply Air Indoor Exhaust Indoor To Atmosphere From Atmosphere Exhaust Indoor Supply Air Indoor From Atmosphere To Atmosphere ...

Page 5: ...A normal 36 dB A max 24 dB A normal 34 dB A max Output AC voltage 220 240 V AC single phase AC frequency 50 Hz Fuse 3 A located in fused spur Product fuse 2 A on the circuit board Max power consumption 150 W max 190 W max Dimensions Height excl connection adapters 550 mm 630 mm Width 550 mm 775 mm Depth 285 mm 524 mm Weight 15 kg 24 kg Connection dimension 125 mm 150 mm Dimension of drain connecti...

Page 6: ... 6 20 Ventilation 54 46 6 50 2 44 5 44 4 28 8 31 9 31 2 Extraction 46 8 40 5 34 6 34 2 34 6 23 7 30 3 22 9 Ambient 45 9 39 9 40 6 35 7 33 5 25 3 31 2 21 3 30 Ventilation 58 1 54 5 57 6 52 2 51 7 38 6 35 8 38 5 Extraction 47 6 46 2 38 7 41 3 42 8 26 4 30 5 28 4 Ambient 45 2 42 4 48 2 40 8 37 7 30 31 1 25 2 40 Ventilation 65 2 58 4 62 3 58 56 5 44 1 41 4 43 6 Extraction 53 5 53 44 47 7 48 1 31 5 31 ...

Page 7: ...78 Ventilation 50 3 59 1 54 5 56 5 47 39 9 26 3 31 7 38 Extraction 46 8 51 6 47 8 44 4 32 7 27 4 24 4 31 7 28 Ambient 48 4 51 2 53 4 46 41 34 6 25 30 3 28 5 104 Ventilation 52 4 57 2 60 4 60 9 55 8 50 3 33 1 33 9 43 6 Extraction 50 49 8 56 8 52 4 40 2 35 9 33 4 39 8 35 2 Ambient 55 49 6 59 7 54 5 46 9 39 9 33 6 39 2 34 9 127 Ventilation 54 9 60 7 67 4 66 6 61 8 56 39 6 37 7 49 5 Extraction 50 4 52...

Page 8: ...or both covers 2 Remove the two screws and cover for the electrical installation from the front of the unit 3 Remove the two screws and disconnect the control panel and mains cable 4 Disconnect the flat cable 5 Disconnect the 4 way plug 6 Remove both screws and the cable grommet plate at the rear NB The grommets in the illustration may be replaced by ordinary knock out holes If you need to use the...

Page 9: ... Fresh CF250V and CF400V are normally installed on a wall in a laundry cabin or similar The wall must be able to support the weight of the unit Remember that there needs to be enough room for the electrical installation and the condensate pipe Make sure there is enough room for servicing and maintenance purposes The unit must always be installed in a vertical position Do not use the unit as a supp...

Page 10: ...s and clips to secure the cable in a suitable fashion Terminal no Name Description S W1 Switch 1 With link fitted to J4 activates potential free contact for sensor input between and poles S W2 Switch 2 S W3 Switch 3 SW4 Switch 4 Potential free contact for sensor input between and poles SW5 Switch 5 Potential free contact for sensor input between and poles P1 0 10 V Proportional 1 24 V DC is fed to...

Page 11: ...ins the user interface for test operation and monitoring purposes Display The main display is an LCD display LCD with 16 characters x 2 rows with automatic background illumination which is switched off automatically to minimise power consumption Buttons Four buttons on the control unit provide access to the controls for configuration and monitoring of the unit Button Function Press to adjust the s...

Page 12: ... SW4 s5 Switch SW5 LS Controlled phase LS w1 4 Wireless remote control 6 2 START MENU Software The screen displays the version number for the unit s software for 3 seconds No adjustments are possible on this screen Language The displays are pre set to Swedish other languages may be selected The display shows the language which has been selected The selected language is normally displayed for 5 sec...

Page 13: ...ated by press ing the button another unit can take over the acceleration function The flow returns to normal once the unit in question is switched off If a num ber of different units require increased flow the unit can be operated in acceleration mode until the last of the units has returned to normal airflow Min airflow The operating mode Min airflow is activated when Normal airflow has been set ...

Page 14: ...d when the last minutes for switch off for Sun3 are accepted The display indicates Note 1 When the mode Min Normal Max ventilation Min Normal Max extraction is displayed the fans work with the flow which is indicated in the form of a percentage The bypass function is also off The two minutes after which the display automatically re turns to normal are extended to four hours so that you can perform...

Page 15: ... entered Press and hold for more than 2 sec onds to delete the service number Integrated air humidity sensor if fitted Via the air humidity sensor you can switch on the sensor and adjust the trigger point to between 60 and 90 The default setting is 70 Proportional 1 In Proportional 1 mode the conditions for the proportional sensors 0 10 V can be entered The unit can receive a 0 10 V proportional s...

Page 16: ... may become contaminated during this period and should therefore be cleaned or replaced afterwards Available options Off default and On Operating time Operating time shows the total operat ing time for the unit in hours No changes may be made in this screen In the event of a power failure the information relating to total operating time is saved Filter service Press and then use the and push butto...

Page 17: ...0 ppm Normal 1000 ppm Temperature acceleration 27 C Normal 17 C Proportional 2 Air humidity acceleration Normal 60 CO2 acceleration 2000 ppm Normal 1000 ppm Temperature acceleration 27 C Normal 17 C SW4 Off CVP control Off or if pressure sensor has been fitted CV CP Summer bypass Not fitted Frost protection Airflow mode Drying Off Operating time Filter service Suburb default 12 months or can be se...

Page 18: ...ion 20 Acceleration 15 m Acceleration 00 m Acc On Off Mon1 00 00 00 00 Acc On Off Ready Normal On Off Mon Normal On Off Ready Service number Proportional 1 Humidity Proportional 2 CO2 CVP Control Off CV Summer bypass Not fitted Frost protection Airflow mode Drying Off Operating time 12345 Filter change 6 months BMS On BMS 00 Security code Factory setting No Humidity sensor Off Press for accelerati...

Page 19: ...t let the water come into contact with the electrical components and cables inside the unit Motors Inspect the motors to check whether dust and dirt have accumulated on the fan wheels This can be the cause of imbalance and raised noise levels Vacuum or clean with a slightly dampened cloth as needed Condensate drain Check that the condensate drain hose is undamaged and free of detritus Clean if nec...

Page 20: ...essure pipe and rubber strip for the grommet 4 Withdraw the heat exchanger and check that the rear part of the heat exchanger base is up against the foam in the bottom edge so that you can access the rear pres sure pipe Repeat step 3 to free up the rear pressure pipe Once the rear pressure pipe has been removed you can gain access to clean the heat exchanger Once the heat exchanger has been cleane...

Page 21: ... get help The fault code screen is displayed alternately with the Service screen if a fault has occurred Note down the fault code so that you can refer to it when reporting the fault If you need help contact Fresh and state the fault code The following fault code numbers may be displayed The code numbers are concatenated if more than one fault is detected Heating fault A heating fault indicates th...

Page 22: ...tilation fan CF250V 843032 Extraction fan CF250V 843033 Ventilation fan CF400V 843034 Extraction fan CF400V 843035 Filter G3 CF250V 843036 Filter F5 CF250V 843037 Filter F7 CF250V 843038 Filter G3 CF400V 843039 Filter F5 CF400V 843040 Filter F7 CF400V 843041 Summer bypass CF250V 843042 Summer bypass CF400V 843043 Pre heater electric CF250V 843044 Pre heater electric CF400V 843045 External control ...

Page 23: ...r bypass On Off On Indoor temperature 25 C Outdoor temperature 14 C Humidity sensor On Off Off Pre heater Temperature setting Proportional input 1 0 10 V Humidity CO2 Temperature Proportional input 2 0 10 V Humidity CO2 Temperature Airflows Design value Adjusted value Total ventilation l s l s Away At home Acceleration Total extraction l s l s Away At home Acceleration Notes Unit data see rating p...

Page 24: ...611536 2010 2 ...

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