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INSTALLATION, OPERATION AND

MAINTENANCE INSTRUCTIONS

50EN/EH

Nominal cooling capacity 21,2 - 85,2 kW

Nominal heating capacity 21,7 - 88,7 kW

50 Hz

Translation of the original document 80046, 10.2016

Packaged rooftop cooling only / heat pumps

and separated gas module option

Содержание 50EH

Страница 1: ...NANCE INSTRUCTIONS 50EN EH Nominal cooling capacity 21 2 85 2 kW Nominal heating capacity 21 7 88 7 kW 50 Hz Translation of the original document 80046 10 2016 Packaged rooftop cooling only heat pumps...

Страница 2: ...Sound Level 13 9 Checking before commissioning 14 Electrical connections 14 Connection of probes by the client 15 Checks in the axial fans 17 Checks in the EC plug fans 18 Checks in the centrifugal f...

Страница 3: ...onditioning of medium and large surface areas used for business or industry A vast number of options provide a solution to many operating requirements such a Free cooling Air renewal Air quality contr...

Страница 4: ...Copeland 3MAF 32cST Danfoss POE 160SZ ICI Emkarate RL 32CF Mobil EAL Artic 22CC Volume of oil l 3 1 3 1 3 1 3 1 3 1 3 1 3 1 5 3 Electrical characteristics Mains voltage 400 V III ph 50 Hz 10 Power sup...

Страница 5: ...4 Type Electronic axial fan Number Diameter mm 2 800 Motor output kW 2 x 2 2 Power input in COOLING kW 2 2 2 2 2 2 2 5 2 5 2 5 2 5 Power input in HEATING kW 3 1 3 1 3 1 3 2 3 2 3 2 3 2 Speed r p m 2...

Страница 6: ...highly toxic and corrosive To detect leaks an electronic leak detector an ultraviolet lamp or soapy water must be used Flame detectors do not help Important Immediately repair any refrigerant leak usi...

Страница 7: ...on mixing box of 3 dampers R N E MA00 I MA01 R I N E MA02 R N E I R N E MC00 I MC02 R N E I MC01 R I N E N E MC10 R I MC11 N E R I MS assemblies Fresh air intake with damper interlocked with return da...

Страница 8: ...ere may be dangerous for both the unit and the personnel who are carrying out the discharging or transport work Always check the weight of the set and verify that the discharging method used is approv...

Страница 9: ...360T 1301 1034 771 1317 986 750 1297 1145 775 1314 1085 836 Electrical heaters 12 kW 18 kW 27 kW 36 kW 45 kW Weight of module kg 11 15 19 24 29 Centrifugal fans 0 75 kW 1 1 kW 1 5 kW 2 2 kW 3 kW 4 kW...

Страница 10: ...way to place the unit in the ultimate location always in observation of the handling standards that have been described below is a proposed assembly sequence that may facilitate the operation keeping...

Страница 11: ...172 116 273 188 122 277 179 122 276 178 141 309 191 150 318 200 141 309 191 150 318 200 360HEE 360T 115 282 184 131 298 200 137 301 190 138 302 191 163 342 205 171 351 214 163 342 205 171 351 214 50E...

Страница 12: ...ed rooftop units 12 1 5m 1 5m Minimum free space for commissioning and maintenance operations 50EN EH 90HEE 90T 120HEE 120T 160HEE 160T 180HEE and 180T 50EN EH 200HEE 240HEE 240T 320HEE 320T 360HEE an...

Страница 13: ...ard unit Unit with return plug fan in top box MC1 optional Unit with return plug fan in top box and MRC1 cooling recovery circuit optional Note The sound pressure level depends on the installation con...

Страница 14: ...atic switch is closed Omitting this can cause personal damage Make the ground connection before any other electrical connection V 220004 V 220005 The installer must fix line protection elements accord...

Страница 15: ...J3 with 2 x 1 5 mm2 section cable within a maximum distance of 30 metres RS485 connector J10 withAWG20 section cable single braided pair preferably shielded with drain wire Power supply 24 Vac 2 wires...

Страница 16: ...ng the IAQ Recommended cable section 1 5 mm2 Factory settings 6 5 4 0 10 V 3 2 1 0 Off DIP Switches left position right position 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 IAQ 40 45 50 55 60 65 70 75 80 IAQ IAQ CO...

Страница 17: ...he outlet probe B3 and the mixing probe B4 can be replaced by RS485 enthalpic probes for calculation of the cooling and heating capacities optional The outdoor humidity probe optional necessary for th...

Страница 18: ...d consumptions The coupling of characteristic curves of the fan and the room is very important so that the flows and pressures provided to the duct network are as required The variable speed plug fans...

Страница 19: ...nt drain junction gas threaded Cooling recovery circuit 3 4 M in bronze Gas burner consult in the specific instruction brochure of burners supplied with the burner The air supply and return ducts must...

Страница 20: ...int in the electronic control For those units with centrifugal supply fans optional a differential pressostat can be incorporated in order to measure the variation in air flow This pressostat allows t...

Страница 21: ...outdoor temperature if the outdoor temperature drops below 4 C the control activates the pump and the 3 way valve opens to maintain in the water coil a water outlet temperature of 10 C in ON operatin...

Страница 22: ...of long unit stops and forcibly if they happen in the winter season the coil must be emptied To prevent the water from freezing with this option the unit always has an anti freezing thermostat Add gly...

Страница 23: ...inked inside the unit To that extent drills have been made in the unit to which the supports must be screwed Supports attached to the unit Access panel Step 3 Take the hoses with the electric power su...

Страница 24: ...eties in the burner The burner module includes a name plate featuring the main gas characteristics as well as the 50EN EH unit serial number on which it is to be mounted Important All the necessary in...

Страница 25: ...The stop drop can be installed in the indoor air coil and at the fresh air intake Indoor air coil recommended in cases where a high moisture content in the air is foreseen or when the air flow is hig...

Страница 26: ...anomaly When commissioning the compressors check the subcooling and overheating and thus verify if the refrigerant load is appropriate to the operating conditions If the refrigerant load is lower tha...

Страница 27: ...lation In general a corrosion control must be performed on the metallic parts of the unit frame bodywork exchangers electric panel etc Check that the insulation foam is not unstuck or torn All the ele...

Страница 28: ...grease Cleaning the accumulated dust on the coil can be performed with a vacuum cleaner perpendicular to the fins or with a low pressure water cleaner Grease can be removed with water with degreaser...

Страница 29: ...ated in the characteristics table in chapter 4 Check the oil level and aspect In case of a colour change check the oil quality using a contamination test In the case of the presence of acid water or m...

Страница 30: ...he lower rail when sliding Tab for displacement of gravimetric lters of the upper rail Air lters Clean regularly Depending on the installation conditions the filter aspect must be examined to define t...

Страница 31: ...to place the frames back on First the frames from the upper rail will be placed on Then the two rail attachment screws will be placed on and finally the frames of the lower rail will be placed on Filt...

Страница 32: ...d tilting the rail slightly Attachment screw Tabs in displacement Filters G or G F the frames with each type of filters gravimetrics and opacimetric if the unit has includes the latter are assembled o...

Страница 33: ...nt 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 differential fuses b Verify the safety chain of the electronic c...

Страница 34: ...Packaged rooftop units 34 Notes...

Страница 35: ......

Страница 36: ...Order No 10046 10 2016 Supersedes order No 03 2015 Manufactured for CARRIER in Spain The manufacturer reserves the right to change the specification without prior notice Printed in the European Union...

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