background image

I N S TA L L AT I O N,  O P E R AT I O N  A N D 

M A I N T E N A N C E   I N S T R U C T I O N S

Translation of the original document 80185, 03.2022

Packaged rooftop units

50FF/FC 020-093

Nominal cooling capacity R-410A 22.3 - 90.2 kW 

Nominal heating capacity R-410A 21.9 - 89.7 kW

Nominal cooling capacity R-454B 36.0 - 90.4 kW 

Nominal heating capacity R-454B 35.9 - 89.6 kW

Summary of Contents for 50FC 020

Page 1: ...S Translation of the original document 80185 03 2022 Packaged rooftop units 50FF FC 020 093 Nominal cooling capacity R 410A 22 3 90 2 kW Nominal heating capacity R 410A 21 9 89 7 kW Nominal cooling ca...

Page 2: ...trifugal fans optional 34 9 4 Air ducts connections 35 10 CONDENSATE DRAIN 36 10 1 Siphon installation norms 36 11 SAFETY ELEMENTS 37 12 FACTORY OPTIONS AND ACCESSORIES 39 12 1 Dampers hoods 39 12 2 D...

Page 3: ...are included on the plates of characteristics or in the regulatory documentation provided with the product To avoid any risk of accident during installation commissioning or maintenance it is obligat...

Page 4: ...from open flames e g cigarettes as temperatures of over 300 C cause their vapours to break down and form phosgene hydrogen fluoride hydrogen chloride and other toxic compounds These compounds may pro...

Page 5: ...r centrifugal fan Cooling recovery circuit active recovery Legend S Lower air supply R Lower air return S Lateral air supply R Lateral air return S Upper air supply R Upper air return F Fresh air inta...

Page 6: ...return E Exhaust air outlet RP assembly Direction 0 Lower return plug fan RW assembly Direction 0 Lower return plug fan Rotary heat exchanger passive recovery R1 assembly Direction 0 In line standard...

Page 7: ...ation weight kg empty weight fluid refrigerant 4 TRANSPORT 4 1 Transport Caution If the unit contains refrigerant R 454B A2L fluid specific transport safety standards must be complied with Road transp...

Page 8: ...e case of two stacked units It is mandatory to follow the lifting instructions given in the drawings provided on the next page Approved textile slings suitable for the dimensions and weight of the uni...

Page 9: ...855 732 5 070 074 086 093 B1 B2 BF B3 BX BP BT BW 6 2 2200 3639 779 5 2130 729 5 070 074 086 093 R1 R2 RP RW 7 2 2200 3639 779 5 2130 729 5 070 074 086 093 BA BB 8 3 2200 3639 779 5 995 1135 729 5 Con...

Page 10: ...nsult the Recommended service clearance in section 7 7 Since the unit is designed to work outdoors some specific installation norms must be followed The unit will be located on the roof of the premise...

Page 11: ...Hz 64 2 66 7 68 9 66 1 70 0 71 1 250 Hz 71 8 74 8 76 1 72 9 76 3 76 4 500 Hz 70 2 76 7 76 4 76 8 77 1 78 3 1000 Hz 72 0 76 2 76 3 77 5 77 3 78 2 2000 Hz 69 7 73 5 74 3 75 3 74 1 75 5 4000 Hz 62 6 69 2...

Page 12: ...klift truck the unit will be raised to a su cient height that the silent blocks can be screwed into its base see Chapter 5 M12 metric threads have been provided for their placement in the supports con...

Page 13: ...burner For more information consult the paragraph 12 14 Gas burner Note units with In line assemblies have a wide range of adaptation roofcurbs that are ready for direct replacement on site of units...

Page 14: ...imensions and weight of the roofcurb must be used These slings will be hooked on the eyebolts fitted to the roofcurb Check that the eyebolts are perfectly screwed in before attaching the slings Reinfo...

Page 15: ...slope Position A Position B Position C Position D NO Supply Return Supply Return Supply Return Supply Return Note Position A is best suited for gas burner roofcurb In this position it is easier to ac...

Page 16: ...Burner roofcurb 020 to 047 50 797 373 0 275 631 52 155 770 89 052 to 062 50 1229 470 376 207 619 85 155 1219 101 070 to 093 50 1570 470 373 126 704 85 155 1491 198 Standard roofcurb G E D C F A A I H...

Page 17: ...ortant All roofcurb are supplied with a return safety grille intended for plenum installations For installations with ducted return the grille must be removed prior to place the machine on the roofcur...

Page 18: ...shaped brackets using the 4 screws supplied in a bag self tapping screws M4 8 Profile for outlet Closing plate The procedure is the same as that used for supply except with the B2 assembly and models...

Page 19: ...84 195 113 040 1 177 787 779 882 117 228 145 84 195 113 045 1 176 788 787 882 117 228 145 84 195 113 047 1 176 787 782 884 118 228 146 85 195 113 50FF BB assembly Centre of gravity mm Weight kg React...

Page 20: ...37 155 280 160 058 1 509 1 170 608 1 141 135 261 138 159 285 163 062 1 503 1 165 607 1 142 137 262 138 159 285 161 50FF BT assembly Centre of gravity mm Weight kg Reactions in the supports kg X Y Z R1...

Page 21: ...8 086 1 798 1 172 616 1 309 162 299 150 191 328 179 093 1 795 1 171 615 1 310 163 300 150 191 328 179 50FF BB assembly Centre of gravity mm Weight kg Reactions in the supports kg X Y Z R1 R2 R3 R4 R5...

Page 22: ...615 1 294 161 310 176 161 310 176 074 1 866 1 103 615 1 318 164 316 180 164 315 179 086 1 866 1 104 620 1 336 167 320 182 166 320 181 093 1 863 1 103 619 1 337 167 321 181 167 320 181 50FF RW assembly...

Page 23: ...804 796 774 91 197 134 67 174 111 028 1 205 813 800 797 96 202 133 74 180 112 037 1 177 787 779 882 117 228 145 84 195 113 040 1 177 787 779 882 117 228 145 84 195 113 045 1 176 788 787 882 117 228 1...

Page 24: ...tre of gravity mm Weight kg Reactions in the supports kg X Y Z R1 R2 R3 R4 R5 R6 052 1 512 1 167 609 1 192 140 273 146 165 298 170 058 1 509 1 170 608 1 198 141 274 145 167 300 171 062 1 503 1 165 607...

Page 25: ...R2 R3 R4 R5 R6 070 1 798 1 171 611 1 387 172 317 159 202 347 190 074 1 798 1 171 611 1 387 172 317 159 202 347 190 086 1 798 1 172 616 1 387 172 317 159 202 348 190 093 1 795 1 171 615 1 392 173 318 1...

Page 26: ...728 1 105 534 1 258 210 300 115 212 302 117 062 1 720 1 101 535 1 270 215 304 115 215 305 116 070 1 866 1 103 615 1 405 175 337 191 175 336 191 074 1 866 1 103 615 1 405 175 337 191 175 336 191 086 1...

Page 27: ...0FF FC 020 028 037 040 045 047 B3 BX BP and BA assemblies 50FF FC 020 028 037 040 045 047 BT and BB assemblies 50FF FC Overall dimension mm Service clearance mm Length Width Height A B C D 020 to 047...

Page 28: ...BX BP and BA assemblies 50FF FC 052 058 062 070 074 086 093 BT and BB assemblies 50FF FC Overall dimension mm Service clearance mm Length Width Height A B C D 052 to 062 3 000 2 200 1 230 1 600 1 000...

Page 29: ...ly 50FF FC 070 074 086 093 RP assembly 50FF FC Overall dimension mm Service clearance mm Length Width Height A B C D 052 to 062 3 000 2 200 1 230 1 000 1 000 1 300 2 200 070 to 093 3 650 2 200 1 230 1...

Page 30: ...The power cables can be routed into the electrical box for the units Via the panel located under the electrical cabinet Via the base of the unit It is important to check that the power cable bend rad...

Page 31: ...al BOX8 Hot water coil or heat recovery coil or gas burner or gas boiler optionals The following image shows the location of boxes in a two circuit unit with Standard assembly Graphic terminal User te...

Page 32: ...ermo enthalpic management of the economizer must be installed on site on the hood of the fresh air intake Open the case by turning the top cover anticlockwise fig1 Fasten the rear of the sensor case t...

Page 33: ...urces or shelves On walls covering heat sources such as a chimney In the radiation range of heat sources and lighting bodies e g spotlights In areas exposed to direct solar radiation Duct mounted This...

Page 34: ...er to the 50FC control brochure 9 FANS AND AIR DUCTS Access to the outdoor unit from the fans For some maintenance tasks it may be convenient to access the outdoor unit by lifting the cover with the f...

Page 35: ...tion Belt tension After fixing the pulleys on the same plane the belt tension is made by tightening the tensor screw Excessive tension on the belt can lead to premature wear on the assembly Insu cient...

Page 36: ...e made CONNECT SIPHON METTRE SIPHON PONER SIFON V220014 10 CONDENSATE DRAIN Important the water drain pipe must be provided with a siphon to avoid bad smell and water spills A Condensates pan in depre...

Page 37: ...ure safety is done by the 50FC electronic control via the measure of the low pressure transducer Automatic switch in the control circuit Magnetothermal switch that protects the operation circuit again...

Page 38: ...the vicinity This sensor is installed next to the supply fans In case of alarm it is reset manually Smoke detector optional Smoke detecting station in accordance with the NF S 61 961 standard 961 that...

Page 39: ...Dampers hoods Depending on the assembly chosen the fresh air and exhaust air damper hoods are supplied folded down to be fitted on site by the installer The left side 2 and right side 3 closure parts...

Page 40: ...t be connected Then part 3 is put in place This structure must be fitted on top of the unit before continuing with the assembly process Then the screen panel 4 is fitted to the cover and to the lower...

Page 41: ...ront view is secured using M6 Allen screws while the left hand panel incorporates dual locks Note Check that the locks are not blocked Open the locks with a 4 mm Allen key anticlockwise The module is...

Page 42: ...r of the unit and the cover of the module are joined using a seal This is supplied attached to the cover of the module and must be joined to the cover of the unit using 4 8 self tapping hex screws 12...

Page 43: ...equired for this assembly are supplied with the unit Lateral return Lower return This enclosure is composed of the parts that appear in the following image The number of each part corresponds to the o...

Page 44: ...Electric panel 10x30 hex screws Left hand panels These units include G4 gravimetric filters standard type which can be replaced by G4 gravimetric filters with low pressure drop G4 gravimetric filters...

Page 45: ...hen it is time to close it Cut o the water supply and let the bubbles generated go up to the highest coil point and eliminate by opening the purger Pour more water into the circuit and repeat the prev...

Page 46: ...essed by removing the panels 1 and 2 and then the inside panel 3 all of them fixed with M6 Allen screws 1 3 2 To remove the frame with the electrical heaters it is necessary to disconnect the safety t...

Page 47: ...C the other one has manual reset and tare value at 120 C After the module has been attached to the machine the module cover 3 will be fitted using 4 8 self tapping hex screws The hood 4 will then be...

Page 48: ...e with the supply temperature During the defrosting operation if selected as backup With the unit running or shut down if an anti freeze alarm is triggered With the unit stopped when the outdoor tempe...

Page 49: ...ng operations shall be necessary if the boiler is not used for a long period of time Switch the boiler OFF at the control panel Turn the magnetothermic switch o placed in the electrical cabinet of the...

Page 50: ...e manufacturer s manual must be kept with care If it is lost or damaged please contact the Technical Assistance Service for a new copy The thermal module before being connected to the hydraulic system...

Page 51: ...t flue probe 17 Return probe 18 Control panel 19 Ignition detection electrode 20 Safety thermostat 21 Flow probe 22 Automatic bleed valve 23 Casing Installation of the boiler The boiler is supplied di...

Page 52: ...sary to remove the locking screw and then pull the front panel outwards and later to the top to decouple it from points A Step 4 Drop the boiler on the bracket 6 and screw on the four fixings of this...

Page 53: ...emperatures If the gas distribution network contains solid particles install a filter on the fuel supply line When selecting it consider that pressure drops due to the filter should be as low as possi...

Page 54: ...L I 10 1 255x80 point backlit display 106 4 x 39 0mm 2 RESET key Restores normal operations after a safety shut down 3 MENU key Switches on the main menu 4 ESC key In menu navigation it enables you t...

Page 55: ...ice menu password protected During this stage check that the air is correctly eliminated Restore the pressure if necessary Stop the pump and start up again Repeat the last three steps until the pressu...

Page 56: ...ng a very low level of pollutants The control located inside the burner housing allows the service centre to check and view the working phases and identify any faults that may have occurred The electr...

Page 57: ...xhaust duct do not wet the heater with water or other fluids do not place any object over the burner do not touch the moving parts of the burner General recommendations Maintenance Maintenance operati...

Page 58: ...onnection of the outlet probe The connection of the outlet temperature probes must be performed on site This probe is supplied inside the electrical cabinet of the 50FF FC unit Make the electrical con...

Page 59: ...rds the heater in order to prevent the build of condensation in the exhaust Pressure drop for terminals and exhaust ducting Type C53 Sealed combustion circuit type C connected by means of its own duct...

Page 60: ...sumption 15 C 1013mbar m3 h 0 51 2 01 0 80 3 69 0 90 4 44 1 31 6 88 1 74 8 68 2 22 10 58 Carbon dioxide CO2 content 8 8 9 1 8 7 9 1 8 7 9 1 8 7 9 1 8 7 9 1 8 5 9 1 Fumes temperature C 39 113 31 94 30...

Page 61: ...onversion to gas G25 G25 1 G25 3 G27 Conversion for gasses from G20 to G25 or G25 1 or G25 3 or G27 is allowed only in countries of category II2ELL3B P Germany II2Esi3P France II2E3P Luxembourg and ca...

Page 62: ...ing 0 10 Vdc signal when is reaches the set point The probe monitors the ratio of heat capacity cooling air flow It is not advisable to change the ST1 value Fxx faults The modulation PCB can distingui...

Page 63: ...nfigure and diagnose all operating parameters of the equipment The instrument panel is fitted with a red 3 digit LCD display and four function keys ESC and ENTER the display allows the user to display...

Page 64: ...e minimum or the maximum for combustion tests it automatically returns to the previous position at the end of the preset time 10 minutes TIN allows the user to read the value of the 0 10 Vdc signal co...

Page 65: ...he communication panel between both circuits The charging valve schrader type must be used to adjust the refrigerant charge of the recovery circuit when this one is lower than required Characteristics...

Page 66: ...e current operating mode of the unit time and day of the week The following screen shows the temperature setpoint for this zone in the current operating mode This screen can also show the zone that co...

Page 67: ...TAZIONE ELETTRICA LASCIARE LA MACCINA SOTTO TENSIONE PER 24 ORE PRIMA DI AUTORIZZARE L AVVIAMENTO DEL DEI COMPRESSORE I ANTES DEL PRIMER ARRANQUE O DESPU S DE UNA AUSENCIA DE CORRIENTE POR UN LARGO PE...

Page 68: ...the nominal voltage current absorbed by the compressors fans and other electrical components significant temperatures in the cooling circuit see attached table other aspects considered interesting su...

Page 69: ...sent and in good condition and that the doors and covers are properly closed Check the unit s alarm report see the control manual Check for any general signs of deterioration Check the anti corrosion...

Page 70: ...4 screws Unscrew the fixings Place the new compressor and check that it has a su cient oil charge Warning when tightening the compressor screws please consult the maximum torque that can be applied S...

Page 71: ...or Consult the chapter Safety elements The following table shows the refrigerant charge and CO2 equivalent tonnes t CO2e for each model 50FF 020 028 037 040 045 047 Charge kg C1 7 3 C1 7 6 C1 9 7 C1 9...

Page 72: ...detector uses infrared instead of semiconductor technology with no need of calibration self calibration This detector integrates in a single assembly housing electronics sensor It is divided into two...

Page 73: ...s the preserve the cooling circuit clean and without humidity neutralizing the acids that can be found in the cooling circuit Measure the di erence in the temperature of the pipes at the dryer inlet a...

Page 74: ...eeded depending on the combination of filters selected Gravimetric filters G4 Cleaning can be done with a household vacuum cleaner Replace them regularly Creased opacimetric filters M6 F7 F8 and F9 It...

Page 75: ...ken with the manufacturer s consent the replacement of a faulty component for another non compliant component could present a hazard for which CARRIER could not accept liability To keep the machine e...

Page 76: ...safety thermostat s This procedure must be done with the heater on and the burner lit Open the thermostat series with an insulated tool 230 V remove the fast on from the safety thermostat wait for th...

Page 77: ...element are open c Timing of anti cycle short does not allow the starting d Open contact e Contactor coil burnt f Indoor klixon open a Check di erential fuses b Verify the safety chain of the electron...

Page 78: ...red for treatment Refrigerant Energy transfer fluid depending on the installation water glycol water mix Compressor oil Important In order to recycle these units follow the stipulations of Directive 2...

Page 79: ......

Page 80: ...tured for CARRIER in Spain Manufacturer reserves the right to change any product specifications without notice Printed in the European Union CARRIER participates in the ECPprogramme for RT Check ongoi...

Reviews: