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Summary of Contents for Carrier 50NF
- Page 1 INSTALLATION, OPERATION AND M A I N T E N A N C E I N S T R U C T I O N S Vertical package air conditionners 50NZ/NF Nominal cooling capacity 17,9 - 69,6 kW Nominal heating capacity 18,4 - 73,0 kW 50 Hz Original document...
- Page 2 Vertical package air conditionners Contents 1. Introduction ......................................... 3 2. Operation limits........................................3 3. Technical characteristics ..................................... 4 4. Unit identifi cation ........................................ 5 5. Safety advice ........................................5 6. Transport ..........................................5 7. Location and assembling ....................................6 Location designation ......................................6 Anchorage for antivibrators ....................................
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Page 3: Introduction
• 50NZ Series: Air/air packaged cooling units. of monobloc vertical compact construction, designed to be installed • 50NF Series: Air/air packaged reversible heat pumps. indoors, safe from external damages, with access registers to fans, After their manufacture, all units are charged with refrigerant and cooling circuit and electrical panel by means of easily removable panels. -
Page 4: Technical Characteristics
Vertical package air conditionners ECHNICAL CHARACTERISTICS 50NZ/NF 17,9 19,3 26,8 34,8 38,6 53,6 69,6 Cooling capacity (kW) Cooling 11,2 14,2 16,6 22,7 28,5 Power input (kW) capacities EER performance 18,4 20,2 27,8 36,5 40,4 55,6 73,0 Heating capacity (kW) Heating ... -
Page 5: Safety Advice
Temperature Maxi C BP Mini PSM\MOP Intensité\Current A HP Maxi PSM\MOP Int. Kit Elect. No CE 0056 CARRIER SCS UTC BIS Route de Thil P.I. Llanos de Jarata 14550 Montilla - SPAIN 01122 Montluel–France Phone: 34 957 65 23 11 Tél: 33(0)4 72 25 21 21... -
Page 6: Location And Assembling
Vertical package air conditionners 7. L OCATION AND ASSEMBLING Location designation 50NZ/NF A (mm) B (mm) C (mm) D (mm) E (mm) Before moving the unit, make sure that all panels are fastened in 1.000 1.500 place. Lift and lower with care. When choosing the location, in any 1.200 1.500 way the selected fashion, the following precautions have to be taken... -
Page 7: Checking Before Commissioning
Vertical package air conditionners 8. C HECKING BEFORE COMMISSIONING Note: Under no circumstance should the unit be started without having read the brochure completely. Electrical Connections Installation norms Connection chart To have electrical power to the unit: wire intake, conductor section and their calculations, protections, etc..., ask the information provided in this Outdoor document (refer to technical characteristic table), the electrical scheme... -
Page 8: Air Ducts Connections
Vertical package air conditionners Air ducts connections Pulley and belt adjustment The air outlet and return ducts must be calculated in accordance with Both for the indoor circuit motorfans as well as the outdoor circuit are the rated fl ow and the unit’s available pressure(refer to the technical coupled by pulleys and belts. -
Page 9: Safety Elements
Vertical package air conditionners Carry out the assembly of the same one following the attached principle scheme: Condensates pan Pan in overpressure: in depression • It is installed to avoid the access through the drain tubing of bad smells. Slight slope Pan in depression: 5/1000 •... -
Page 10: Air Quality Probe (Optional)
Vertical package air conditionners Air fl ow control (optional) Air quality probe (optional) Differential pressostat that measures the fl ow variation in the air outlet. This probe is for installation in the environment or in duct to enable This allows the detection of fan belt breakages, since the fan relay only measuring CO and/or volatile compounds. -
Page 11: Commissioning
Vertical package air conditionners 11. C OMMISSIONING Checks prior to commissioning Operational checks - It is advisable to make a complete sketch of the installation including Check the unit operation by verifying the electronic control and the the location of the unit and all the components used. This will be very safety elements. -
Page 12: Maintenance
Vertical package air conditionners 12. M AINTENANCE Dehydrant fi lter The minimal maintenance operations and their periodicity will be made according to the national regulations. - The fi lter function is the preserve the cooling circuit clean and without Any intervention on the electric cooling components must be made by humidity, neutralizing the acids that can be found in the cooling circuit. - Page 13 Vertical package air conditionners Centrifugal fans Condensates drain pans Access: Access: - In fi rst place, put the door switch in 0 position. - Firstly, put the door switch in O position. - Later, unscrew the screws that fi x the panels on which we will always - Later, unscrew the screws that fi...
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Page 14: Control And Analysis Of Breakdowns
Vertical package air conditionners 13. C ONTROL AND ANALYSIS OF BREAKDOWNS Symptom Cause Solution Evaporation pressure very high in relation with a) Charge excess a) Collect refrigerant the air inlet b) High air temperature b) Verify overheating c) Compressor suction not air tight c) Verify compressor state and replace d) Cycle reversing valve in middle position d) Check that the valve is not clogged. - Page 16 Order No.: 10055, 03.2015. Supersedes order No.: New Manufactured for CARRIER in Spain. The manufacturer reserves the right to change the specifi cation without prior notice. Printed in the European Union.
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