Table of Contents Fresh CF Thank you for choosing this product from Fresh. Before installing and using the unit, you should read through this installation manual. Then keep it in a safe place so that you can use it for future reference.
The fresh air treatment unit is designed and configured nal supplier. for use with Fresh control devices, vents, grilles and ac- Carefully package the product and enclose a letter cessories.
Exhaust Indoor The CF always comes supplied as a right-hand version. The unit can be changed to a left- hand version by changing the location of the front and rear cover CF250V CF400V 4.2 DIMENSIONAL DRAWING CF250V CF400V EØ CF250V-400V • 2013-1...
15 kg 24 kg Connection dimension 125 mm 150 mm Dimension of drain connection 22 mm Environment IP class IP22 Operating temperature -20 °C to +45 °C Operating relative humidity 0 % to 95 % RH Storage temperature -20 °C to +45 °C Storage relative humidity 0 % to 95 % RH Software CF250V-400V • 2013-1...
10. Put the cover back on the electrical installation. 3. Remove the two screws and disconnect 11. The arrow stickers on the top of the the control panel and mains cable. covers must correctly match up with the arrow stickers on the top of the chassis. CF250V-400V • 2013-1...
Technical Specification on page 5. Read and observe the safety instructions indicated under Warnings and safety regulations on page 2. The 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.
A 10 V proportional supply voltage is applied between the S and – terminals. A 5 V LED operating signal is supplied between the + and – terminals to enable remote indication of Red LED, Output faults on the unit. See the control panel for the fault codes. Mains, live 220-240 V AC, 50 Hz input Mains, neutral 220-240 V AC, 50 Hz input EARTH Earth, mains connection Earth connector Controlled phase 220-240 V AC, 50 Hz input CF250V-400V • 2013-1...
Press and hold for more than 2 seconds for rapid scrolling. Press to activate acceleration mode. See page 24 for options. Press and hold for 5 seconds to activate Cleaning mode. (Press and hold for 5 seconds to stop cleaning). CF250V-400V • 2013-1...
= Switch S/W3 Once the start-up messages have finished, Min or s4 = Switch SW4 Normal is displayed plus the operating status (Min s5 = Switch SW5 airflow X % or Normal airflow X % or Max airflow X %). LS = Controlled phase (LS) Normally the speed of normal airflow w1-4 = Wireless remote control (ventilation) is displayed via the unit. CF250V-400V • 2013-1...
25 °C. PIN code The selectable range is 16-40 °C **** (25 °C is the default setting). Return to the normal display by pressing the button or Enter the PIN code using the buttons waiting until the time limit of 2 minutes has elapsed, after CF250V-400V • 2013-1...
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Default speed in Min mode = 20 % Mon1 10:01 11:11 Min ventilation 20 % When Day flashes, you can copy yesterday’s times to the current day by pressing (> 2 seconds). The setting is completed when the last minutes for Min extraction switch-off for Sun3 are accepted. The display indicates 20 % CF250V-400V • 2013-1...
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27 °C Integrated air humidity sensor (if fitted) P1 Norm limit Via the air humidity sensor you can switch on the 17 °C sensor and adjust the trigger point to between 60 % and 90 %. (The default setting is 70 %). CF250V-400V • 2013-1...
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This function can be used to dry PIN code? fresh plaster and newly painted surfaces, allow- ing building work to be completed more quickly. The filters may become contaminated during this period Reset default values and should therefore be cleaned or replaced afterwards.
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Not fitted Frost protection Airflow mode Drying Operating time Filter service Suburb (default) 12 months, or can be set to town and country Reset default values User screens Set the clock Summer mode Summer mode On Indoor temp 21 °C Outdoor temp 14 °C CF250V-400V • 2013-1...
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Mon 12:30 Mon1 00:00 00:00 Summer bypass Security code? Ready Indoor temp Normal On Factory setting 25 °C Outdoor temp Normal On 14 °C Ready Service number Return to display mode after 2 min Humidity sensor Return to display mode after 2 min CF250V-400V • 2013-1...
Annual maintenance Chapter 7 7. ANNUAL MAINTENANCE Heat recovery units require regular mainte- nance. The Fresh CF 250 and 400V have been designed for easy maintenance. NB! Switch off the power when performing maintenance Filter maintenance Item Action When the display shows “Check filters”. This is a reminder to make sure the filters are not so dirty that they block the airflow or let dirt through.
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3. Withdraw the heat exchanger so that you can reach the two screws on the element as illustrated below. Undo the two screws (you do not need to take them right out) so that you can remove the pressure pipe and rubber strip for the grommet. CF250V-400V • 2013-1...
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Fault code 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.
Proportional input 2 (0-10 V) Humidity Temperature Airflows: Design value Adjusted value Total ventilation Away At home Acceleration Total extraction Away At home Acceleration Notes Unit data (see rating plate on unit and circuit board number) CF250V-400V • 2013-1 CF250V-400V • 2013-1...
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