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Air-condensed water chillers and

heat pumps YLCA / YLHA 40

User manual

Ref.: N-40288_EN 0910

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Summary of Contents for YLCA 40

Page 1: ...Air condensed water chillers and heat pumps YLCA YLHA 40 User manual Ref N 40288_EN 0910...

Page 2: ...2 5 Parameters relating to the compressor 12 1 2 6 Operating graphics 13 1 2 7 Parameters relating to fans 15 1 2 8 Parameters relating to defrost 16 1 2 9 Antifreeze control configuration parameters...

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

Page 4: ...compressor pump and electric heater start up By reading the control sensors and safety elements the controller protects the entire equipment against malfunctions The system allows con necting the uni...

Page 5: ...ved copper tubing mechanically expanded within the fin assembly Fans Of the axial and low sound level type Equipped with single phase motors with IP54 protection These motors allow speed control by me...

Page 6: ...rogen at 1 5 bar safety valve set to 6 bar water circuit pressure gauge two air bleed valves filling valve and drain valve Also includes a mesh filter for the water circuit This filter is supplied loo...

Page 7: ...f a water filter has not been installed Remote control Wall mounted remote control unit with keyboard for cool heat and ON OFF functions Includes power supply alarm and cool heat LEDs Maximum cable le...

Page 8: ...to sit This base must be solid and dimensioned in accord ance with the load to be supported The antivibratory support accessory for models YL CA YLHA 40 50 and 60 includes 4 units whereas for models...

Page 9: ...ters can also be modi fied and the system can also be supervised Fan speed control module Operates by phase cut off Includes fuse NTC and ratiometric pressure sensors 3 NTC sensors are used to read sy...

Page 10: ...he sensors as well as other system values Can be used by the user without affecting unit operation General Modification of the parameters that affect basic unit configuration should be made with the c...

Page 11: ...c pressure sensor Fan speed and de frost 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 ID4 Low pressure sw...

Page 12: ...to Direct parameters 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...

Page 13: ...ve E Indoor heat exchanger L Outdoor heat exchang er F NTC water inlet sensor B1 M Pressure sensor B4 G Pump Parameter tables The following tables show the parameters and their values divided into gro...

Page 14: ...1F U 5 R W 1 0 0 b00 Sensor viewed on display U 24 R W 7 0 0 b01 Value read by sensor B1 D 70 R C b02 Value read by sensor B2 D 71 R C b03 Value read by sensor B3 D 72 R C b04 Value read by sensor B4...

Page 15: ...operating 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 User manual 1 Operating instruc...

Page 16: ...Compressor pump stoppage delays A Compressor B Pump Pump compressor start up delays A Pump B Compressor 1 User manual 1 2 Operating instructions C2 YLCA YLHA 40 14...

Page 17: ...50 0 3 7 F07 Cool cycle fan stoppage pressure differen tial F 28 R W bar 50 0 6 5 F08 Heat cycle minimum speed pressure F 30 R W bar 80 40 8 7 F09 Heat cycle maximum speed pressure dif ferential F 32...

Page 18: ...Minimum defrost duration U 38 R W Seconds 50 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 Activation of heaters during de...

Page 19: ...1 Antifreeze sensor 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 he...

Page 20: ...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 H09 Keyboard locke...

Page 21: ...e 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 function Do not modify this parameter F 70 R W 9 P1...

Page 22: ...time Output tem perature F 83 R W Seconds 999 c05 100 r12 If r06 4 only 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...

Page 23: ...sensor Automatic ELS Low supply voltage Automatic EHS High supply voltage Automatic EPr Eprom error Unit operating Automatic EPb Eprom error At start up Automatic ESP Communication failure with expan...

Page 24: ...and off at regular intervals independent of compressor operation parameters c17 and c18 Calibration of sensors If necessary sensors can be calibrated by using parameters 13 14 15 y 16 See Table Parame...

Page 25: ...tasks have been grouped by time intervals in a series of tables Maintenance responsibilities of the user see on page 23 1 3 2 Maintenance responsibilities of the user Like any other machine the HVAC...

Page 26: ...ts They should also be aware of general procedures and those applying specifically to this unit Contact a Johnson Controls Inc Authorised Technical Assistance Service for scheduled maintenance on this...

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