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1.2.1 General diagram, YLCA 50, 60 and 80

A

Compressor 2

B2

Water outlet temperature sensor (Antifreeze pro‐

tection)

B

Pump

B3

Outdoor temperature sensor (Dynamic set point)

C

Heater

B4

Radiometric pressure sensor (Fan speed and de‐

frost control)

D

Compressor 1

ID1

Water flow switch

E

Alarm

ID2

Fan heat switches

F

230 / 24 transformer

ID3

High-pressure switch

G

Fan speed control

ID4

Low-pressure switch

H

Communication

ID5

Remote ON / OFF

I

Programmable key

N

Neutral

B1

Water inlet temperature sensor (Control set point)

L

Phase

User manual

1

Operating instructions µC2 (YLCA 50, 60 and 80)

1.2

9

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Содержание YLCA 50

Страница 1: ...Air condensed water chillers and heat pumps YLCA 50 60 and 80 User manual Ref N 40289_EN 0910...

Страница 2: ...rs relating to sensors 12 1 2 5 Parameters relating to the compressor 12 1 2 6 Operating graphics 13 1 2 7 Parameters relating to fans 16 1 2 8 Antifreeze control configuration parameters 17 1 2 9 Uni...

Страница 3: ...1 User manual...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 9: ...off functions Operating parameters 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...

Страница 10: ...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 con...

Страница 11: ...pressure sensor Fan speed and de frost control D Compressor 1 ID1 Water flow switch E Alarm ID2 Fan heat switches F 230 24 transformer ID3 High pressure switch G Fan speed control ID4 Low pressure sw...

Страница 12: ...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 hi...

Страница 13: ...HP 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 gr...

Страница 14: ...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 D 73...

Страница 15: ...erating 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 instructi...

Страница 16: ...1 C Compressor 1 B Signal 2 D Compressor 2 Time between stoppage of two compressors A Signal 1 C Compressor 1 B Signal 2 D Compressor 2 Compressor pump stoppage delays A Compressor B Pump 1 User manu...

Страница 17: ...Pump compressor start up delays A Pump B Compressor User manual 1 Operating instructions C2 YLCA 50 60 and 80 1 2 15...

Страница 18: ...Triac voltage F 49 R W step F04 0 35 F04 Maximum Triac voltage F 50 R W step 100 F03 92 F05 Cool cycle minimum speed pressure 24 R W bar 80 40 22 2 F06 Cool cycle maximum speed pressure dif ferential...

Страница 19: ...ntifreeze sensor F 6 R W 1 0 0 A07 Minimum level antifreeze control set point tem perature 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...

Страница 20: ...tal 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 locked 0 Disab...

Страница 21: ...eat 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 P15 L...

Страница 22: ...4 only Maximum activation time Output tem perature F 80 R W Seconds 999 r09 120 r09 If r06 4 only Minimum activation time Output tem perature F 81 R W Seconds 999 c04 100 r10 If r06 4 only Maximum de...

Страница 23: ...supply voltage Automatic EHS High supply voltage Automatic EPr Eprom error Unit operating Automatic EPb Eprom error At start up Automatic EL 1 2 Problem at fan voltage control Automatic FL Flow switch...

Страница 24: ...s relating to sensors see on page 12 Remote ON OFF A remote ON OFF inlet can be connected between terminals D5 and B on the connecting strip To activate said inlet a value of 1 should be given to para...

Страница 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...

Страница 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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