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Air-condensed water cooling units

and heat pumps YLCA / YLHA PLUS

5 to 27

User manual

Ref.: N-40315_EN 1110

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Summary of Contents for YLCA

Page 1: ...Air condensed water cooling units and heat pumps YLCA YLHA PLUS 5 to 27 User manual Ref N 40315_EN 1110...

Page 2: ...aphics 14 1 2 7 Parameters relating to fans 16 1 2 8 Parameters relating to defrost 17 1 2 9 Antifreeze control configuration parameters 18 1 2 10 Unit configuration parameters 19 1 2 11 Alarm configu...

Page 3: ...1 User manual...

Page 4: ...equipment against malfunctions The system allows connecting the unit to a standard RS485 monitoring network For further information please see Operating instructions C2 see on page 7 The YLCA YLHA PL...

Page 5: ...low ambient temperatures 10 C On cool only units with an optional low ambient temperature kit can reach 18 C On heat pumps the fan will remain inoperative during defrosting Electrical and control pan...

Page 6: ...ir bleed valve and drain valve Also includes a mesh filter for the water circuit This filter is supplied loose for installation at the most convenient point Protecting grids To protect the coils from...

Page 7: ...can also be modified and the system can also be supervised Can be installed at a maximum distance of 1040 m BMS connections By means of a serial board it is possible to connect the system to a standa...

Page 8: ...h the load to be supported Use 8 10MA bolts to fasten the supports to the base of the chassis The antivibration support accessory includes 4 parts These spring supports should be distributed and fas t...

Page 9: ...sed Fan speed control module Operates by phase cut off Includes fuse NTC and ratiometric pressure probes YLCA YLHA PLUS 5 to 15 standard 4 NTC probes are used to read the temperatures of the system B1...

Page 10: ...h password 22 Allows access to all parameters the user normally sets Direct Level Accessible without a password Allows for reading of the values detected by the probes as well as other system values C...

Page 11: ...Set point D Compressor 1 ID1 Water flow switch E Alarm ID2 Remote COOL HEAT F 230 24 transformer ID3 High pressure switch G Fan speed control ID4 Low pressure switch H Communication ID5 Remote ON OFF...

Page 12: ...eater B4 Ratiometric pressure probe fan speed and defrost control D Compressor 1 ID1 Water flow switch E Alarm ID2 Remote COOL HEAT F 230 24 transformer ID3 High pressure switch G Fan speed control ID...

Page 13: ...arameters Press for 5 seconds Selects a Direct parameter and shows its value Confirms parameter changes Press once 3 6 Parameter programming with password Press for 5 seconds 4 Selection of higher par...

Page 14: ...t exchang er L Outdoor heat exchanger F NTC water inlet probe B1 M Pressure sensor BA YLCA YLHA PLUS 5 to 20 LAK YLCA YLHA PLUS 20 to 27 G Pump N Outdoor exchanger NTC probe B3 YLCA YLHA PLUS 5 to 15...

Page 15: ...be B2 D 71 R C b03 Value read by probe B3 D 72 R C b04 Value read by probe B4 D 73 R C bar a YLCA YLHA PLUS 5 to 15 03 1 YLCA YLHA PLUS 5 to 15 LAK 03 2 YLCA YLHA PLUS 20 to 27 03 2 b YLCA YLHA PLUS 5...

Page 16: ...ating time of a compressor A Signal B Compressor Min stoppage time of a compressor A Signal B Compressor Min time between compressor start ups A Signal B Compressor B A C1 B A C2 C3 B A 1 User manual...

Page 17: ...Compressor pump stoppage delays A Compressor B Pump Pump compressor start up delays A Pump B Compressor C8 B A C7 B A User manual 1 Operating instructions C2 1 2 15...

Page 18: ...Fan stoppage temp differential cool cycle F 28 R W C 50 0 10 Fan stoppage pressure differential cool cy cle 1 bar 6 5 F08 Minimum speed temp heat cycle F 30 R W C 80 40 6 F09 Maximum speed differenti...

Page 19: ...econds 150 10 10 d06 Minimum defrost duration U 38 R W Seconds 150 0 0 d07 Maximum defrost duration U 39 R W Minutes 15 1 6 d08 Time between two defrost cycles U 40 R W Minutes 150 10 30 d11 Activatio...

Page 20: ...Antifreeze probe F 6 R W 1 0 0 A07 Minimum level antifreeze control set point temperature U 15 R W C 79 40 3 A08 Heating heater activation set point tempera ture U 16 R W C r15 A01 3 A09 Heating heat...

Page 21: ...3 0 1 H06 COOL HEAT digital input 0 Absent 1 Present U 14 R W 1 0 0 H07 ON OFF digital input 0 Absent 1 Present U 15 R W 1 0 0 H08 Network configuration do not modify this parameter F 57 R W 3 0 0 H0...

Page 22: ...owflake heat cycle F 19 R W 1 0 1 P08 Digital input 1 for flow switch Do not modify this parameter F 69 R W 1 P09 Digital input 2 for the remote COOL HEAT func tion Do not modify this parameter F 70 R...

Page 23: ...e Outlet tem perature F 83 R W Seconds 999 c05 100 r12 Only if r06 4 Compressor deactivation differential F 46 R W C 50 0 1 r13 Cool cycle minimum set point temperature U 47 R W C r14 40 6 r14 Cool cy...

Page 24: ...probe Automatic ELS Low voltage power supply Automatic EHS High voltage power supply Automatic EPr Eprom Error Unit running Automatic EPb Eprom Error On start up Automatic ESP Communication failure w...

Page 25: ...tarts at regular intervals irrespective of the compressor operation param eters c17 and c18 Calibration of probes If necessary probes can be calibrated by using parameters 13 14 15 y 16 See TableParam...

Page 26: ...09 37 6 46 71 2 16 105 0 85 30 111 3 4 22 09 38 6 24 72 2 1 106 0 83 29 106 7 5 22 05 39 6 03 73 2 04 107 0 81 28 100 4 6 21 15 40 5 82 74 1 98 108 0 79 27 95 47 7 20 2 41 5 63 75 1 92 109 0 77 26 90...

Page 27: ...e supervised at all times to ensure that they do not play with the appliance Only trained Johnson Controls Inc personnel with the necessary means and tools may carry out main tenance and upkeep work o...

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