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Analogue inputs

B3 ‑ J2

Coil pressure circuit 1

B4 ‑ J3

Coil pressure circuit 2

B5 ‑ J4/13

Water temperature at exchanger inlet

B6 ‑ J4/12

Water temperature at exchanger outlet

Analogue outputs

Y3

Circuit 1 fan speed control (PWM)

Y4

Circuit 2 fan speed control (PWM)

System components

The system is made up of the following basic components:

• Touch screen
• µC3 controller
• Fan speed controllers (FSC1 and FSC2)
• Pressure sensors (B3 and B4)
• NTC probes (B5 and B6)
Touch screen

This  consists  of  a  screen  and  six  keys  with  the

following functions:

• Alarm  ‑2-
• Programming  ‑1-
• Esc (Escape)
• Up  ‑3-
• Enter  ‑4-
• Down  ‑5-
The  following  functions  can  be  selected  from  this

screen:

• ON/OFF
• COLD/HEAT
• Read the unit status
• Access the configuration menus (by means of a password)
• Read the alarm messages and reset these alarms
• Read operating pressures and temperatures
• etc...

µC3 controller

This contains the unit software and the entire digital

and analogue input and output connector system.
This module is also equipped with connectors for the

program download key and the serial communication

connection to an RS-485 monitoring system.

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User manual

1.1

General description of the unit

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Содержание YORK YLCA 100

Страница 1: ...Air condensed water chillers and heat pumps YLCA YLHA 100 120 and 150 User manual Ref N 40291_EN 0112...

Страница 2: ...cription of the unit 2 1 1 1 Models available and capacities 2 1 1 2 Technical specifications 4 1 1 3 Operating instructions C3 YLCA YLHA 100 120 and 150 7 1 1 4 Regular maintenance activities for whi...

Страница 3: ...1 User manual...

Страница 4: ...Cool only model YLCA 40 YLCA 50 YLCA 60 YLCA 80 YLCA 100 YLCA 120 YLCA 150 Cooling ca pacity 1 39 3 51 8 60 1 72 1 100 3 118 5 150 5 Cooling ca pacity 2 39 6 52 1 60 5 72 6 101 119 151 1 Net cooling...

Страница 5: ...User manual 1 General description of the unit 1 1 3...

Страница 6: ...panded 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 means of a phase cut out shifter co...

Страница 7: ...program models 100 120 and 150 Water filter Supplied as a standard element on units including the hydro kit Stainless steel mesh with 1 mm diameter perforations Optional on units not including the hyd...

Страница 8: ...d and dimensioned in accordance with the load to be supported The antivibratory support accessory for models YLCA YLHA 40 50 and 60 includes 4 units whereas for models YLCA YLHA 80 100 120 and 150 inc...

Страница 9: ...uit 1 HP1 ID7 J4 1 Thermal protector compressor 1 THPC1 ID8 J4 9 Thermal protector compressor 2 THPC2 ID9 J4 2 Thermal protector circuit 1 fans THPF 1 2 ID10 J4 10 Low pressure switch circuit 2 LP2 ID...

Страница 10: ...screen and six keys with the following functions Alarm 2 Programming 1 Esc Escape Up 3 Enter 4 Down 5 The following functions can be selected from this screen ON OFF COLD HEAT Read the unit status Acc...

Страница 11: ...and lockout functions of the system by excessively high pressure NTC probes B5 and B6 B5 For the detection and control of water inlet temperature cool only and heat pump units B6 For the detection of...

Страница 12: ...ion comp 3 Protection comp 4 K RS 485 serial connection Z H1 HP1 HP2 High pressure switch L Phase board power supply C1 Fan 3 4 M General protection D1 Fan 1 2 N Neutral board power supply F1 Fan prot...

Страница 13: ...ssword display press ENTER 2 Enter the password using the Up key 3 Press ENTER to access the 4th Menu display 4th display MENU From this display we can access a set of submenus that provide informatio...

Страница 14: ...0 bar 0 Probe B3 configuration Maximum value 30 151 bar 45 Probe B4 configuration Minimum value 30 152 bar 0 Probe B4 configuration Maximum value 30 153 bar 45 A Antifreeze Description Range Units Val...

Страница 15: ...hours for compressor 2 circuit 2 maintenance alarm 1000 999000 Hours 0 x 1000 Tandem compressor rotation time Minutes 20 Enabling of compressors C1 1 C2 1 C1 2 C2 2 YES NO YES Forced manual compresso...

Страница 16: ...orating pressure differential in summer cycle 0 99 9 bar 1 5 Min fan speed differential 99 9 99 9 bar 3 Max inverter speed 0 10 V 10 Min inverter speed 0 10 V 1 Inverter speed up time 0 999 Seconds 5...

Страница 17: ...ALWAYS ON No of hours for pump rotation 0 9999 Hours 12 ON OFF digital input activation YES NO NO WINTER SUMMER digital input activation YES NO NO ON OFF activation with Monitor YES NO NO WINTER SUMM...

Страница 18: ...ure switch circuit 2 O C 0 OPEN C CLOSED Digital input 12 Thermal protector compressor 3 circuit 2 O C 0 OPEN C CLOSED Digital input 13 Thermal protector compressor 4 circuit 2 O C 0 OPEN C CLOSED Dig...

Страница 19: ...Alarm selection with automatic reset high pressure switch AUTOMATIC MANUAL AUTOMATIC r Control When this submenu is activated the dynamic set point temperature appears if this function is enabled Pres...

Страница 20: ...behaviour is similar but affected by al algorithm that takes time into account integration time parameter STPM Set point A Cool B Heat RBM Control band EWT Exchanger inlet temperature C1 C2 C3 C4 Comp...

Страница 21: ...ff a compressor in the tandem of the affected circuit The parameters of said function are accessed from the CONDENSATION menu Defrost cycle If the evaporating pressure of one of the systems remains be...

Страница 22: ...water temperature has reached said value plus a preestablished differential said output will be deactivated see parameters in the ANTIFREEZE menu Remote ON OFF A digital ON OFF remote input can be in...

Страница 23: ...e this function from the H unit config menu The system has two monitoring protocols Carel and Modbus AUTO RESTART When the unit is turned off by a power shortage and once this has been restored the un...

Страница 24: ...h fault within 60 interval man ual reset Compressor 3 A3 heat switches YCSA LCA 150 YCSA H BRAW 150 ID12 Comp 3 AUTO MANUAL 5th fault within 60 interval automatic reset 5th fault within 60 interval ma...

Страница 25: ...an Off pump Off sys Reset Delay Notes maintenance Compressor 4 maintenance System MANUAL Set period in Compressor menu No link Display CHECK CABLE CONFIGURE No MCH3 com munication and display User man...

Страница 26: ...12 16 55 46 4 74 80 1 66 21 71 07 13 15 9 47 4 59 81 1 62 20 67 74 14 15 28 48 4 44 82 1 57 19 64 54 15 14 68 49 4 3 83 1 53 18 61 62 16 14 12 50 4 16 84 1 49 17 58 66 17 13 57 51 4 02 85 1 45 1 1 4...

Страница 27: ...d safety regulations and procedures applicable to HVAC units They should also be aware of general procedures and those applying specifically to this unit Contact a Johnson Controls Inc Authorised Tech...

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