Vents-us TwinFresh Comfo RA1-50, User Manual

Page 1: ...TwinFresh Expert RА1 50 TwinFresh Expert RM1 50 TwinFresh Expert Duo RA1 30 Single room reversible energy recovery ventilator USER S MANUAL ...

Page 2: ...Fresh Expert Duo RA M1 unit and all its modifications Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems and should be able to work in accordance with workplace safety rules as well as construction norms and standards applicable in the territory of the country The information in this user s manual is correct at the time of the document ...

Page 3: ...e of the unit While transferring the unit control the user s manual must be turned over to the receiving operator UNIT INSTALLATION AND OPERATION SAFETY PRECAUTIONS Disconnect the unit from power mains prior to any installation operations Unpack the unit with care The unit must be grounded While installing the unit follow the safety regulations specific to the use of electric tools Do not change t...

Page 4: ... close proximity to the unit When the unit generates unusual sounds odour or emits smoke disconnect it from power supply and contact the Seller Do not open the unit during operation Do not direct the air flow produced by the unit towards open flame or ignition sources Do not block the air duct when the unit is switched on In case of continuous operation of the unit periodically check the security ...

Page 5: ... particles or environments favourable for the formation of hazardous substances toxic substances dust pathogenic germs Name TwinFresh Expert RA M1 TwinFresh Expert Duo RA1 Indoor unit of the ventilator 1 pc 1 pc Air duct 1 pc 1 pc Air flow distributor 3 6 pcs Sound absorbing material 1 pc Assembled cartridge 1 pc 1 pc Outer ventilation hood 1 pc 1 pc Remote control 1 pc 1 pc Cardboard template 1 p...

Page 6: ...n the unit casing The air duct length depends on the unit model refer to the Designation Key section page 6 The supplied ventilation hood model depends on the ventilator model The overall dimensions of the outer ventilation hood the required outside protrusion length of the air duct A and the mounting sequence of the hood are stated in its mounting instruction The overall dimensions of the front p...

Page 7: ...haust air streams Outer ventilation hood Prevents ingress of water and foreign objects into the ventilator Each ventilator model has a matching ventilation hood model Sound absorbing material A layer of sound absorbing material for attenuation of noise generated during the ventilator operation TwinFresh Expert Duo TwinFresh Expert VENTILATOR DESIGN DESIGN AND FUNCTIONING The ventilator consists of...

Page 8: ...he room and flows through the ceramic regenerator which gradually absorbs heat and humidity In 70 seconds as the ceramic regenerator gets warmed the ventilator is switched to supply mode CycleII Freshintakeairfromoutsideflowsthroughtheceramic regenerator absorbs accumulated moisture and is heated up to the room temperature In 70 seconds as the ceramic regenerator gets cooled down the ventilator is...

Page 9: ...ll the air duct in the wall and fix it with mounting foam The air duct end must protrude for the distance that enables installation of the outer ventilation hood see the User s manual for the outer ventilation hood A min 1 8 min 3 mm Fill the gaps between the wall and the hole with a mounting foam Foam wedge Install the air duct in the wall in such a way so it protrudes from the wall surface for m...

Page 10: ...er plate 4 Unlatch and detach the front part of the indoor unit from its back part The thermal actuator rod must be in lower position when installing the front panel of the TwinFresh Expert RA unit 5 Fix the back part of the indoor unit on the wall with the screws supplied with the mounting kit of the ventilator Remove the two retaining screws from the left transparent cover to enable access to th...

Page 11: ...ayer of the sound absorbing material to match the air duct diameter The protecting paper layer must be outside Insert the sound absorbing roll into the cartridge against stop Make a mark at the end of the air duct remove the material and cut the roll as marked After that insert the ready roll into the air duct 9 Install the sectional air flow separators from the outside Insert a required number of...

Page 12: ...section selection must be based on its type maximum permissible heating insulation length and installation method Use copper wires for all the electric connections Connect the ventilator to power mains in compliance with the wiring diagram EXTERNAL CONNECTIONS DIAGRAM The ventilator design enables connecting external devices with a normally open contact NO contact such as an external CO2 sensor a ...

Page 13: ... In Gnd Gnd Out NO1 NO2 12V N L N L In Gnd Gnd Out NO1 NO2 12V N L N L In Gnd Gnd Out NO1 NO2 12V N L Power input АС 100 240V 50 60 Hz to the next ventilator to the next ventilator to the next ventilator VENTILATOR SET UP ON DIP 1 2 3 4 5 6 7 8 Open the rubber plug DIP switch under the plug Prior to operating the ventilator set it up using the DIP switch It is located on the controller circuit boa...

Page 14: ...f the time set on the turn on delay timer Humidity control is disabled Set value 40 Set value 50 Set value 60 Set value 70 Set value 80 3 4 5 3 4 5 3 4 5 3 4 5 3 4 5 3 4 5 Delay timer During activation of the humidity sensor or any other external device the ventilator switches to higher speed After normalization of the indoor humidity level or any other air parameters the ventilator will switch to...

Page 15: ...of the unit Permanent glowing of the Alarm indicator of the Master unit indicates an alarm in the network of the connected ventilation units Its blinking indicates shutdown of a specific ventilation unit in the network In case of an emergency shutdown of a TwinFresh Expert RA M1 unit in the network the defective ventilation unit is marked with the blinking Alarm indicator All the connected TwinFre...

Page 16: ...xpert Duo RA1 Press the side tabs to detach the front part of the indoor unit from its back part and close the air duct Then gently unlatch and remove the front panel from the front part of the indoor unit Remove the air flow separator by pulling one of the side clamps Install the front part of the indoor unit into place Install the front panel on the front part of the indoor unit and press it gen...

Page 17: ...rs for cleaning Perform all the above operations in the reverse order after cleaning TwinFresh Expert RA M1 1 Press the latches on the side of the indoor control unit to take off the front part Please make sure the louver actuator rod is in lower position during re installation of the front panel If the thermal actuator rod is up please wait for about 2 minutes until it goes down While installing ...

Page 18: ... regenerator with a vacuum cleaner at least once a year To reset the filter timer connect the ventilator to the power supply using the circuit breaker before installing the front panel of the indoor unit into its place After that turn the DIP switch No 8 on for not less than 3 seconds and then turn it off For details see page 14 If necessary the remote control battery may be replaced In case of a ...

Page 19: ...t low temperatures allow the unit to warm up at operating temperature for at least 3 4 hours TROUBLESHOOTING POSSIBLE REASONS ANDTROUBLESHOOTING Problem Possible reasons Troubleshooting When switching on the ventilator the fan does not start No power supply Make sure the power supply line is connected correctly otherwise troubleshoot the connection error The motor is jammed the impeller blades are...

Page 20: ...arts which have been subject to misuse negligence accident improper maintenance or repair other than by Vents US faulty installation or installation contrary to recommended installation instructions Labor to remove and replace products is not covered The duration of any implied warranty is limited to the time period specified for the express warranty Some states do not allow limitations on how lon...

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Page 23: ...E The TwinFresh Expert _____________ unit is installed pursuant to the requirements stated in the present user s manual Installation Stamp Company name Address Phone Number Installation Technician s Full Name Installation Date Signature The unit has been installed in accordance with the provisions of all the applicable local and national construction electrical and technical codes and standards Th...

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