Daikin UATYQ-AFC3Y1 Installation, Use And Maintenance Instruction Download Page 44

Page: 44 / 44

4P522680-1

2018.03

UM_DKN_0001_Rooftop_EN_12-09-2018_rev02

Summary of Contents for UATYQ-AFC3Y1

Page 1: ...1 UATYQ115ABAY1 UATYQ20AFC2Y1 UATYQ25AFC2Y1 UATYQ30AFC2Y1 UATYQ45AFC2Y1 UATYQ50AFC2Y1 UATYQ55AFC2Y1 UATYQ65AFC2Y1 UATYQ75AFC2Y1 UATYQ90AFC2Y1 UATYQ110AFC2Y1 UATYQ115AFC2Y1 UATYQ20AFC3Y1 UATYQ25AFC3Y1...

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Page 3: ...the refrigerant fluid 12 2 5 1 Hazards and health consequences 12 3 Receiving the product and storage 13 3 1 Reception 13 3 2 Transport 13 3 3 Handling 13 3 4 Storage 15 4 Product description 16 4 1 I...

Page 4: ...air coil 28 5 6 Aeraulic connections 29 5 6 1 Return and supply ducts 29 5 6 2 Connection of the ducts 29 6 Commissioning 30 6 1 Preliminary operations 30 6 2 First starting 31 6 2 1 Preliminary check...

Page 5: ...e requirements of the European Machinery Safety Directive The quality level is constantly monitored and therefore our products are synonymous with Safety Quality and Reliability Changes considered nec...

Page 6: ...relevant regulations and directives please see the declaration of conformity in the document folder 1 2 Description 1 2 1 Symbols A description of the main symbols used in this manual and on the labe...

Page 7: ...ply voltage and so on are shown on the labels affixed to the unit the following illustrations are shown only as an example The Manufacturer adopts a continuous development policy and in this perspecti...

Page 8: ...he requirements contained in Commission Regulation EC No 517 2014 The internal danger zone can be accessed by removing the protective devices and entering the unit On no account must unqualified perso...

Page 9: ...es owners to recover and return them to the dealer or take them to special collection centres at the end of their operational life The refrigerant contained in the refrigerant circuit is included amon...

Page 10: ...herefore when working in the immediate vicinity be careful to avoid touching any components of the unit without suitable protection do not work in the discharge trajectory of the safety valves if the...

Page 11: ...red for normal operation of the unit The change from the OFF state to the ON state and vice versa of the unit can be carried out remotely or through the display without having to enter areas at risk A...

Page 12: ...2 5 1 Hazards and health consequences If accidentally released rapid evaporation of the liquid can cause freezing In case of contact with the liquid defrost the various part with water remove clothin...

Page 13: ...d over uneven roads the manufacturer must be informed beforehand so that suitable measures can be taken in order to prevent damage to the unit If it is to be transported by container make sure it is c...

Page 14: ...e screws that are visible through the slotted holes of the base Fig 1 Detail of position of pallet fixing screws After the pallet has been removed the unit should be lifted using only and solely the l...

Page 15: ...able protective devices must be placed on the upper edges It is mandatory to use a lifting beam adjusted to the width of the unit in order to ensure lifting stability Fig 4 Lifting with crane 3 4 Stor...

Page 16: ...ons that besides having load variability can be characterized by high latent loads and need to guarantee optimum conditions for occupants Their use is recommended within the operating limits indicated...

Page 17: ...al thermodynamic recovery supplementary heating by electric heaters free cooling free heating 4 5 Structure Depending on the sizes the structure is made of galvanized sheet iron coated with epoxy poly...

Page 18: ...e pressure difference between the inside and the outside upstream of the intake nozzle The air flow rate is proportional for each fan nozzle pair to the square root of the pressure difference accordin...

Page 19: ...achine will continue to work in any case The cut in value is factory set and can be changed on the installed unit by turning the knob with graduated scale using a screwdriver The fouling of the filter...

Page 20: ...means of the digital input When the change is made from the keypad from the Q0 screen of the Menu branch scroll the various selections of the branches using the arrow buttons until the Sum Win select...

Page 21: ...ial part of the documentation and is present inside each unit It is essential to refer to this document if you are unsure about anything or need further explanations regarding the auxiliary electrical...

Page 22: ...sunlight as far as possible direction of prevailing winds Do not position the unit in a such way that prevailing winds can cause air recirculation at the condensing coil type of surface Do not positio...

Page 23: ...ir Protection is achieved with hoods the number of elements forming the guard depends on the size of the air passage The guard is supplied in a separate kit for fitting by the installer In addition to...

Page 24: ...acoustic interactions with elements outside the unit To avoid the risk of corrosion do not install the units in an environment where there is an aggressive chemical atmosphere Particular attention sh...

Page 25: ...adequate volume of air on the suction and delivery side of the condensing coil It is very important to avoid recirculation between suction and delivery as this would lower the performance of the unit...

Page 26: ...connect the earth cable to the PE terminal on the earth bar situated in the electrical control panel Make sure the power supply voltage corresponds to the rated data of the unit voltage number of phas...

Page 27: ...rol panel must be made maintaining the stated IP protection rating If you use a residual current device to protect the power line in units with inverter use type B or B residual current devices with m...

Page 28: ...he water that is generated 5 5 1 Condensate drain of the internal air coil The condensate collection tray is provided with a male R 1 threaded pipe for connection Fig 9 Connection to the condensate co...

Page 29: ...l on the bottom of the unit must be removed Fig 12 Downward connection The ducting must be suitably sized so as not to generate unforeseen concentrated and or distributed head losses that can cause dr...

Page 30: ...nd use only suitable tools Position the master switch of the unit to ON and check on the display of the control that the unit is OFF in order to prevent it from starting Check that the heaters for hea...

Page 31: ...atic control of the air flow rate of the main ventilation system check on the user interface of the control that the set flow rate set point has been reached Lower flow rate values indicate excessive...

Page 32: ...factory before the unit is shipped However after the unit has been started the safety devices must be checked only the high and low pressure switches The checks must be carried out as described in the...

Page 33: ...greater check that all the fans involved are turning correctly and that there are no obstructions or dirt on the surface of the condensing coil the superheating value of the suction gas the optimal va...

Page 34: ...mer of the auxiliary circuit are undamaged Reset the triggered protective device after eliminating the cause that triggered it The unit does not start the display is off the control is powered correct...

Page 35: ...top the unit must be powered correctly When the temporary stop is carried out in this way all that needs to be done to restart the unit is to set the control to ON 6 7 Stop for long periods of time Wh...

Page 36: ...ff the main switch Wait 10 minutes before working on the electrical parts of the unit Circuits supplied from external sources made with orange cable can remain live even after the power supply to the...

Page 37: ...he surface before rinsing For units installed in coastal or industrial areas or in areas where there are aggressive chemicals in the air periodic rinsing with clean water is considerably beneficial an...

Page 38: ...lean After working on the unit always clean the electrical control panel of any work remnants and extraneous components Restore the safety devices and protective devices that had to be removed in orde...

Page 39: ...the crankcase heaters of the compressors Monthly Clean the finned coil by following the instructions in the External cleaning section according to the type of coil installed Monthly Clean the air fil...

Page 40: ...se must be repaired and the charge must be restored working in compliance with current rules and regulations regarding equipment containing fluorinated greenhouse gases 7 5 2 Exceptional work With use...

Page 41: ...to dismantle the unit yourself the work of dismantling the unit and treating the refrigerant oil and other components must be carried out by an authorized installer and must meet applicable legislati...

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