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Related Manuals for York VCH-25A
Summary of Contents for York VCH-25A
- Page 1 LARGE SPLIT AIR ‑ AIR VITALITY SERIES Air Conditioners VCH 20A to 90A / VIR 25A to 90A Installation manual Ref.: N-27696_EN 0714...
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Page 2: Table Of Contents
Index Index Installation manual........................1 Safety instructions........................2 Icons used in this document.....................2 Instructions for storage, transport, loading and unloading of the unit........3 1.3.1 Inspection..........................3 1.3.2 Disposal of packaging......................3 1.3.3 Disposal of the unit........................3 1.3.4 Handling...........................4 Technical data..........................4 1.4.1 Test conditions and correction factors..................4 1.4.2 Limits of use..........................6 1.4.3... - Page 3 Index Wiring diagrams........................47 Micro switch configuration......................48 Fault table..........................49 Incidents..........................49 2.3.1 Test button..........................50 DPC-1 thermostat........................50 Unit wiring diagrams.......................52 2.5.1 VCH 20A, 25A, 30A and 40A (400.3.50) wiring diagram............52 2.5.2 VCH 45A, 60A, 75A and 90A (400.3.50) wiring diagram............54...
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Page 4: Installation Manual
Installation manual... -
Page 5: Safety Instructions
Installation manual Safety instructions 1.1 Safety instructions This document contains the necessary information for the safe and efficient transportation, assembly and installation of the air conditioning unit. This guarantees the condition of the unit and its operating safety. Only an authorised company may assemble the air conditioning unit. A T T E N T I O N Only authorised companies with the appropriate technical resources and suitably trained personnel may install the air conditioning unit. -
Page 6: Instructions For Storage, Transport, Loading And Unloading Of The Unit
Installation manual Instructions for storage, transport, loading and unloading of the unit 1.3 Instructions for storage, transport, loading and unloading of the unit C A U T I O N Outdoor units must be moved and stored vertically to prevent oil from leaking from the compressor. Delivery inspection The unit should be carefully inspected for visible damage or abnormalities as soon as it is received. -
Page 7: Handling
Installation manual Technical data The air conditioner shall be deposited in the area established by local authorities, to facilitate its selective recovery. 1.3.4 Handling The unit must be moved using the metal rails provided for its installation and transport. 1.4 Technical data 1.4.1 Test conditions and correction factors Test conditions Length of connec‐... - Page 8 Installation manual Technical data Correction of the actual air inlet temperature on the outdoor coil for different air flows to the nominal flow % Flow Correction in °C of the actual air inlet temper‐ -2,5 ature on the outdoor coil Correction factors for heating capacities Indoor unit air DB temperature °C Indoor unit supply air...
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Page 9: Limits Of Use
Installation manual Technical data 1.4.2 Limits of use Model Voltage limits Min./Max V 360/440 WB °C Temperature of 15/23 15/23 15/23 14/23 14/23 14/23 14/23 14/23 Min./Max. air input in in‐ Sum‐ door DB °C 20/32 20/32 20/32 20/32 20/32 20/32 20/32 20/32... -
Page 10: Technical And Physical Data
Installation manual Technical data 1.4.3 Technical and physical data Outdoor Units (VCH 20A to 40A) Models Quantity Standard rating 10,5 Compressors Degree of protection Electric power supply 400 / 3 / 50 Standard rating Electric power supply V / ph / Hz 400 / 3 / 50 Degree of protection Outdoor fan... - Page 11 Installation manual Technical data Outdoor Units (VCH 45A to 90A) Models Quantity Standard rating 2 x 6 2 x 8,1 2 x 10,7 2 x 13,4 Compressors Degree of protection Electric power supply 400 / 3 / 50 Standard rating 2 x 2,2 2 x 2,2 2 x 4...
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Page 12: Electrical Specifications
Installation manual Technical data Indoor Units Models Rated 0,75 power Electric power V / ph / Hz 400 / 3 / 50 supply Protection Indoor rating Motor speed 1400 Turbine diame‐ 320 x 2 320 x 2 320 x 2 380 x 2 380 x 2 ters... -
Page 13: Rated Features
Installation manual Technical data Total Total Total Total Circuit Power cable cross- Model rated power rated current maximum power maximum current breaker section [kW] [kW] [kW] (kW) (K Curve) VCH 20A VCH 25A VCH 30A VCH 40A VCH 45A VCH 60A VCH 75A VCH 90A K Curve (DIN, VDE 0660-104). -
Page 14: Options And Accessories
Installation manual Technical data Outdoor unit Indoor unit Winter Heating Air flow Consumption Model Model Air flow [m power C.O.P. VCH 20A 6235 VIR 25A 4590 21500 5680 3,79 VCH 25A 6235 VIR 25A 4590 23200 6840 3,39 VCH 30A 11975 VIR 40A 7500... -
Page 15: Vir Units With Auxiliary Resistor
Installation manual Technical data Weights of the options and accessories for indoor units N O T E Electric resistors and hot water coils cannot be installed at the same time in the same unit. VIR Models 45A/60A 75A/90A Economiser Electric resistor Hot water coil Extra weight for Cu / Cu coil Options and accessories for outdoor units... -
Page 16: Indoor And Outdoor Unit Combinations
Installation manual Indoor and outdoor unit combinations 1.5 Indoor and outdoor unit combinations... -
Page 17: Measurements, Clearances And Accesses
Installation manual Measurements, clearances and accesses 1.6 Measurements, clearances and accesses 1.6.1 Clearances When installing each unit, clearances should be left for: 1. Intake and discharge of air from the outdoor unit. 2. Connection of drain and electricity pipes. 3. Air ducts. 4. -
Page 18: General Dimensions
Installation manual Measurements, clearances and accesses 1.6.2 General dimensions General dimensions, VCH 20A and 25A Minimum clearance 600 mm Minimum clearance 800 mm Gas piping diameter 1 ⅛" Liquid piping diameter 1/2" Electrical connections Drain pipe (outer diameter 28.5 mm) N O T E Measurements in mm... - Page 19 Installation manual Measurements, clearances and accesses General dimensions, VCH 30A and 40A Minimum clearance 600 mm Minimum clearance 800 mm Gas piping diameter 1 ⅛" Liquid piping diameter 5/8" Electrical connections Drain pipe (outer diameter 28.5 mm) Anti-vibratory fixture (diameter 14 mm) (x4) 2 on each side of the unit N O T E Measurements in mm...
- Page 20 Installation manual Measurements, clearances and accesses General dimensions, VCH 45A and 60A Minimum clearance 600 mm Minimum clearance 800 mm Gas piping diameter 1 ⅛" (x2) Liquid piping diameter 5/8" (60A) (x2) 1/2" (45A) (x2) Electrical connections Drain pipe (outer diameter 28.5 mm) Anti-vibratory fixture (diameter 14 mm) (x4) 2 on each side of the unit N O T E Measurements in mm...
- Page 21 Installation manual Measurements, clearances and accesses General dimensions, VCH 75A and 90A Minimum clearance 600 mm Minimum clearance 800 mm Gas piping diameter 1 ⅜" (x2) Liquid piping diameter 7/8" (x2) Electrical connections Drain pipe (outer diameter 28.5 mm) Anti-vibratory fixture (diameter 14 mm) (x4) 2 on each side of the unit N O T E Measurements in mm...
- Page 22 Installation manual Measurements, clearances and accesses General dimensions, VIR 25A Minimum clearance 600 mm Minimum clearance 800 mm Gas connection 1 ⅛" Liquid connection 1/2" Hot water coil accessory connections Electrical connections Motor access panel Filters Drain pipe (outer diameter 28.5 mm) N O T E Measurements in mm...
- Page 23 Installation manual Measurements, clearances and accesses General dimensions, VIR 40A Minimum clearance 600 mm Minimum clearance 800 mm Gas connection 1 ⅛" Liquid connection 5/8" Hot water coil accessory connections Electrical connections Motor access panel Filters Drain pipe (outer diameter 28.5 mm) N O T E Measurements in mm...
- Page 24 Installation manual Measurements, clearances and accesses General dimensions, VIR 45A and VIR 60A Minimum clearance 600 mm Minimum clearance 800 mm Gas connection 1 ⅛" (x2) Liquid connection 1/2" (45A) (x2) 5/8" (60A) (x2) Hot water coil accessory connections Electrical connections Motor access panel Filters Drain pipe (outer diameter 28.5 mm)
- Page 25 Installation manual Measurements, clearances and accesses General dimensions, VIR 75A and VIR 90A Minimum clearance 600 mm Minimum clearance 800 mm Gas connection 1 ⅛" (x2) Liquid connection 7/8" (x2) Hot water coil accessory connections Electrical connections Motor access panel Filters Drain pipe (outer diameter 28.5 mm) N O T E...
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Page 26: Cooling Capacities
Installation manual Cooling capacities 1.7 Cooling capacities 1.7.1 Sensible cooling capacities Sensible capacity [W] Comp. absorbed Dry fresh air Wet supply Total capacity Dry temp. of supply air to coil °C (DB) power Model temp. air temp. °C (TS) °C (TH) 20160 5996 8828... -
Page 27: Specifications Table
Installation manual Specifications table Sensible capacity [W] Comp. absorbed Dry fresh air Wet supply Total capacity Dry temp. of supply air to coil °C (DB) power Model temp. air temp. °C (TS) °C (TH) 64200 19879 26398 36176 42704 13,44 19,5 57780 27952... -
Page 28: Features Of The Indoor Fan Gear: Standard And With High-Speed Kit
Installation manual Specifications table 1.8.2 Features of the indoor fan gear: standard and with high-speed kit Ps: Static pressure available [Pa] P: Consumed power [W] H.S.D.: High-speed kit H.S.D.M: High-speed kit with motor included VIR 25A Flow m Ventilation Code 3600 3900 4250... - Page 29 Installation manual Specifications table VIR 90A Flow m Ventilation Code 12800 14000 15000 16000 16500 17000 17500 gear Standard ₋ 2570 2910 3150 3420 3575 3730 3900 H.S.D 611991095 3350 3770 4090 ₋ ₋ ₋ ₋ ₋ ₋ ₋ ₋ H.S.D.M 611991096 3350...
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Page 30: Outdoor Fan Features
Installation manual Outdoor fan features 1.9 Outdoor fan features Static pressure available Air flow Absorbed power Model mm c.d.a 7055 1,96 1090 6420 1,78 5,10 6235 1,73 VCH 20A VCH 25A 7,96 5715 1,59 12,03 4990 1,38 3580 0,99 12700 3,54 2900 2,04... -
Page 31: Instructions For Installation And Connection Of The Unit
Installation manual 1.10 Instructions for installation and connection of the unit 1.10 Instructions for installation and connection of the unit 1.10.1 Characteristics of the location Location of VIR 25A to 90A indoor units Locate the indoor unit as close as possible to outdoor walls for easier installation, maintenance and drainage. -
Page 32: Fixture Of The Indoor Unit To The Ceiling
Installation manual Instructions for installation and connection of the unit 1.10 Use an electric cord resistor in the drain trap as well as in the drain, where applicable. In heat pumps, also use cord resistors in the outdoor coil tray to prevent any ice from accumulating. Special instruction for locations with high ambient temperatures In areas where the ambient temperature is over 43 °C, the unit must not be located in direct sunlight and, therefore a specific cover will be required. -
Page 33: Drain Connections
Installation manual 1.10 Instructions for installation and connection of the unit 1.10.4 Drain connections Condensates. Insulation and/or protection of ducts Condensates should be released by means of a specific installation in line with local or national regulations. N O T E For further information on this subject, always keep the current regulations for the country where the unit is being installed at hand. -
Page 34: Unit Interconnection
Installation manual Instructions for installation and connection of the unit 1.10 Protection against ice In areas where the temperature can reach 0 °C or less, there should be some kind of additional protection to prevent the water contained in the condensate drain pipe from freezing. An electric heater (wire heater) should be installed in the drain trap and in the condensate drain pipe. - Page 35 Installation manual 1.10 Instructions for installation and connection of the unit Characteristics of utility provider connections In general, the different connections required by the unit are made following the shortest route possible. Under no circumstances may any local or national regulations be contravened when performing the preparatory work for service connections.
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Page 36: Refrigerant Charge
Installation manual Instructions for installation and connection of the unit 1.10 2. Open the stopcocks on the service valves and the vacuum pump. 3. Activate the vacuum pump. 4. Vacuum to at least 50 microns. 5. Detect leaks. Refrigerant charge D A N G E R Due to its characteristics, R-410A refrigerant must only be handled by qualified personnel. - Page 37 Installation manual 1.10 Instructions for installation and connection of the unit Liquid cooling line. Gas cooling line. Vertical distance between units (max. 30 m). Total pipe length (vertical + horizontal sec‐ tions). Laid and in one direction. Outdoor unit. Indoor unit. Liquid cooling line.
- Page 38 Installation manual Instructions for installation and connection of the unit 1.10 Calculation Example Outdoor unit. Indoor unit. 1/2" liquid pipe. 1 ⅛" gas pipe. A, B, C, D Elbow joints (4) Bends (2) L = 2 + 3 +3 + 6 + 4 + 7 + 6 = 31 31 <...
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Page 39: Preparation And Connecting To The Various Utilities
Installation manual 1.10 Instructions for installation and connection of the unit Rated charge No. of Gas line diame‐ Liquid line Additional charge Model R-410A circuits diameter (g/m) (kg) VCH 20A / VIR 25A 1 ⅛" (28,5 mm) 1/2" (12,7 mm) VCH 25A / VIR 25A 1 ⅛"... - Page 40 Installation manual Instructions for installation and connection of the unit 1.10 Press the appropriate openings on the edge of the unit -1- until they are released. Fit packing glands to fit the cable and pull the cable through to the inside of the electrical panel through the grommets in the tray -2-.
- Page 41 Installation manual 1.10 Instructions for installation and connection of the unit Thermostat Connection The outdoor unit and the thermostat are connected by means 10-pin 0.22 shielded communication cable. Connect the cable to the terminals indicated and firmly tighten the set screws. Also consult the wiring diagrams for the unit and Wiring diagrams, see on page 39 .
- Page 42 Installation manual Instructions for installation and connection of the unit 1.10 Wiring diagrams Power connection Thermostat connection Main power supply (400V / 3 / 50 + N) Outdoor unit Contactor Indoor fan motor (star connection) Outdoor unit terminal strip (VCH 20A to 90A) DPC-1 thermostat 10-pin shielded communications cable x 0.22 mm...
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Page 43: Safety And Equipment Protection Systems
Installation manual 1.10 Instructions for installation and connection of the unit Thermostat connections to the control board A. Thermostat connection board. Board connection terminals To terminal X1 of the DPC-1 thermostat. White. To terminal B of the DPC-1 thermostat. Red. To terminal R of the DPC-1 thermostat. –... -
Page 44: Instructions For Starting Up The Unit
Installation manual Instructions for starting up the unit 1.11 Given that the air conditioning unit is installed on the roof of a building or property, users must under no circumstances inspect or adjust the unit themselves. All of inspections or adjustments that may be made by the user are performed using the DPC-1 thermostat. -
Page 45: Unblocking The Unit Safely In Case Of Breakdown
Installation manual 1.12 Unblocking the unit safely in case of breakdown The control board indicates the faults detected by means of the red LED V3 on the board or the fault codes indicated on the DPC-1 thermostat. N O T E For further information, see the technical information on the YKN2 Open control board. -
Page 46: Regular Maintenance Tasks Performed By Specialised Personnel
Installation manual Regular maintenance tasks performed by specialised personnel 1.13 1.13 Regular maintenance tasks performed by specialised personnel Like any other machine, the unit requires regular maintenance, as the wear to which some of its parts are subjected can affect its mechanical reliability, electrical consumption and working life. In order to keep the unit in similar working order to when it was installed and commissioned, a series of maintenance tasks must be performed every so often. -
Page 47: Air Filters
Installation manual 1.13 Regular maintenance tasks performed by specialised personnel Outdoor fan and indoor fan belts A T T E N T I O N Before opening any access to the inside of the unit, disconnect all electricity supplies. Check their condition and correct tensioning. Any replacements must be of the same type and size as the original and tensioning must be checked again after 24 hours of operations. -
Page 48: Unit Sound Power Level Indication (Lw In Db A)
Installation manual Unit sound power level indication (Lw in dB A) 1.14 Integrity of the unit structure and components Check: • The correct condition of the unit structure and exterior components. • No knocks or dents. • correct fixture of bolts. •... - Page 49 Installation manual 1.14 Unit sound power level indication (Lw in dB A) N O T E • Our reverberating chamber enables us to measure the sound pressure level at 63 Hz and, therefore, the NC (ISO Noise Criteria) will be determined as of 125 Hz. •...
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Page 50: Wiring Diagrams
Wiring diagrams... -
Page 51: Micro Switch Configuration
Wiring diagrams Micro switch configuration 2.1 Micro switch configuration The micro switches are used to establish the following configurations: A T T E N T I O N In order to update the new configuration of the micro switches the power supply has to be shut off Micro switch configuration Number Status... -
Page 52: Fault Table
Wiring diagrams Fault table 2.2 Fault table The red LED on the YKNOpen electronic board is responsible for showing the state of faults on the unit: • When the red LED remains off there are no faults in the unit. •... -
Page 53: Test Button
Wiring diagrams DPC-1 thermostat Incident table (green LED) Green Led flashes Description 1st Ser‐ 2nd Ser‐ 3rd Ser‐ Type Incident Discharge probe open or short circuited Probes Liquid probe open or short circuited 1, 2 or 3 Suction probe open or short circuited Repeated defrosting Temperature The discharge temperature is not recovered... - Page 54 Wiring diagrams DPC-1 thermostat Micro switch configuration Type Thermostat numbers Description Ambient probe open or short circuited Internal probe not calibrated Communication error Fault with AL terminal connected Thermostat S5 digital probe not detected S6 digital probe not detected S7 digital probe not detected S8 digital probe not detected Digital outdoor probe not detected...
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Page 55: Unit Wiring Diagrams
Wiring diagrams Unit wiring diagrams 2.5 Unit wiring diagrams 2.5.1 VCH 20A, 25A, 30A and 40A (400.3.50) wiring diagram I-2575b Model Q2 [A] Cross-section B [mm F1 [A] F2 [A] REG. F3 [A] 5 x 4 5 x 4 5 x 6 5 x 10 If the unit has power and the green LED V2 on board A1 is off, check that the sequence of phases ( * ) - Page 56 Wiring diagrams Unit wiring diagrams S1 configuration on A1 board (VCH models) Black connector Thermostat Green connector Electronic board [A1] White connector Accessories connection Yellow connector YKTOOLN2 connection Red connector RS-485 connection Suction probe Shielded cable, 10 x 0,22 mm Liquid probe On-site installation.
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Page 57: Vch 45A, 60A, 75A And 90A (400.3.50) Wiring Diagram
Wiring diagrams Unit wiring diagrams 2.5.2 VCH 45A, 60A, 75A and 90A (400.3.50) wiring diagram I-2576-1b (1/2) F4 and F5 [A] Model Q2 [A] Cross-section B [mm F1 and F2 [A] F3 [A] REG. REG. 5 x 10 5 x 16 5 x 25 5 x 35 On-site installation. - Page 58 Wiring diagrams Unit wiring diagrams I-2576-2b (2/2) S1 configuration on A1 board (VCH models) Black connector Thermostat Green connector Electronic board [A1] White connector Compressor 2 Yellow connector YKTOOLN2 connection Red connector RS-485 connection B1, B5 Suction probe Shielded cable, 10 x 0,22 mm B2, B6 Liquid probe Electronic board [A2]...