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York YLCA Technical Information

York YLCA Technical Information

Air-condensed cooling units and heat pumps
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Air-condensed cooling units and heat
pumps YLCA / YLHA PLUS 5 to 27
Technical Information
Ref.: N-27722_EN 1110

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  • Page 1 Air-condensed cooling units and heat pumps YLCA / YLHA PLUS 5 to 27 Technical Information Ref.: N-27722_EN 1110...

  • Page 2: Table Of Contents

    Clearances..........................25 1.7.2 Dimensions and hydraulic connections␤(models YLCA/YLHA PLUS 5)........27 1.7.3 Dimensions and hydraulic connections ␤(models YLCA/YLHA PLUS 7 and 9).....28 1.7.4 Dimensions and hydraulic connections ␤(models YLCA/YLHA PLUS 12 and 15)....29 1.7.5 Dimensions and hydraulic connections ␤(models YLCA/YLHA PLUS 20 and 27)....30 Capacities YLHA........................31...
  • Page 3 Electric circuit diagram YLCA/YLHA PLUS 5÷9 MC and M (230.1.50)........66 Electric circuit diagram YLCA/YLHA PLUS 12 MC and M (230.1.50)........68 Electric circuit diagram YLCA/YLHA PLUS 7 and 9 TC and T (400.3.50)......70 Electric circuit diagram YLCA/YLHA PLUS 12 and 15 TC and T (400.3.50)......72 Electric circuit diagram YLCA/YLHA PLUS 20 TC and T (400.3.50)........

  • Page 4: Technical Information

    Technical Information...

  • Page 5: General Information

    The system allows connecting the unit to a standard RS485 monitoring network. Operating instructions µC2, see on page 47 . For further information, please see The YLCA/YLHA PLUS 5 to 27 units are made of proven quality components and manufactured in com‐ pliance with standards in force (ISO 9001 certification).

  • Page 6: Models Available And Capacities

    Technical Information General Information 1.1.3 Models available and capacities Cool-only model YLCA 5 M YLCA 7 M and T YLCA 9 M and T YLCA 12 T Cooling capacity 5,38 7,13 9,05 12,40 Cool-only model YLCA 15 T YLCA 20 T...

  • Page 7: Features And Advantages

    Ideal for building management Dynamic Set Point and omission of inertia tank The control system of the YLCA/YLHA PLUS 5 to 27 includes the Dynamic Set Point and Omission of Inertia Tank. Dynamic Set Point: Modifies the set point for the control of the water temperature according to the outdoor temperature.

  • Page 8: Technical Specifications

    The cool only unit cooling circuit includes: Schrader valves on the high, low and liquid sides, expansion valve, filter dryer, sight glass (YLCA 20 to 27), high and low pressure switches, service valves to isolate the condenser (YLCA 27) and an expansion restrictor (YLCA 5 to 15).
  • Page 9 Technical Information General Information Hydro kit (pack) These units include a pack assembled with the components of a hydro kit. This assembly is located within the unit frame and does not increase the footprint of same. It includes the following components: centri‐ fugal pump, expansion tank loaded with nitrogen at 1,5 bar, safety valve set to 6 bar, flow switch, air bleed valve and drain valve.

  • Page 10: Options And Accessories

    Low ambient temperature kit (YLCA 5 to 15) Includes a pressure transducer to control condensation pressure at low ambient temperatures (-18 °C). This component is standard in models YLCA 20 to 27 and YLHA PLUS 5 to 27. High pressure fans Inertia tank With or without built-in auxiliary heater.
  • Page 11 General Information Antivibration supports Whenever necessary to reduce vibrations and noise YLCA/YLHA PLUS 5 ÷ 15 produced by the unit to the maximum, a set of rubber antivibration supports can be used. These should be installed between the chassis support of the unit and the base or floor on which it is to sit.

  • Page 12: Safety Instructions

    Technical Information Safety instructions 1.2 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 13: Instructions For Storage, Transport, Loading And Unloading Of The Unit

    Technical Information Instructions for storage, transport, loading and unloading of the unit 1.4 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 14: Disposal Of The Unit

    The unit must be moved using the metal rails provided for its installation and transport 1.5 Selection guide (YLCA/YLHA) Necessary information The following information is needed to select a YLCA/YLHA water cooling unit: 1 Cooling capacity needed 2 Design cold water inlet and outlet temperatures.
  • Page 15 Pressure available for the hydraulic circuit and pressure drop in the hydraulic circuit (with‐ • From table out filter mounted), see on page 20 we infer that the YLCA 5 MC, with a flow rate of 771 l/h, has an available pressure of 56 kPa. Pressure drop in filter: Pressure drop in filters, see on page 21 we infer that with a flow rate of 771 l/h, there is •...
  • Page 16 °C/kW, with the unit operating at sea level (no corrections). From a quick Heating capacities YLHA 5 ÷ 27, see on page 34 and Cooling capacities YLCA 5 glance at the tables ÷ 27, see on page 35 we see that a YLHA PLUS 5 heat pump approximately gives the required ca‐...

  • Page 17: Selection Guide With Glycol (Cool Only Units)

    36 , we infer that a From table YLCA 5 unit, at the established design conditions, gives a capacity of 3,4 kW and a consumption of 1,35 Fouling With the design fouling factor, use the capacity correcting factors x 0,987 and power x 0,995 (see factors, see on page 16 ).
  • Page 18 = 0,166 [l / s] or 598 [l / h] This covers the Limits of Use. The evaporator pressure drop can be determined by taking the water pressure drop value for a YLCA Glycol concentration and correcting tables, see on unit and multiplying it by the correction factor (see page 17 ) for a 30% concentration and an average temperature of ‑1,5 °C, i.e.:...

  • Page 19: Technical Data

    At lower water temperatures, it is advisable to use glycol-type antifreeze mixtures. Minimum temp. with glycol ‑5 °C. -18 °C with low temperature (optional in models YLCA 5, 7, 9, 12, 15). 50 °C if the inlet air temp. is higher than 0 °C.
  • Page 20 Technical Information Technical data Glycol concentration and correcting tables Recommended ethylene glycol concentrations Recommended con‐ % in weight centration % in weight Outlet liquid temper‐ Freeze point ature °C Glycol factor L/S °C/ Glycol factor in recom‐ kW in recommended mended concentrations concentrations Ethylene glycol in other concentrations.
  • Page 21 Technical Information Technical data Propylene glycol in other concentrations Glycol factor Outlet liquid temperature °C Glycol factor Ethylene glycol pressure drop correcting factor Correcting Factor Average liquid temperature °C Glycol concentration P/P Propylene glycol pressure drop correcting factor Correcting Factor Average liquid temperature °C Glycol concentration P/P...
  • Page 22 Technical Information Technical data Correcting factors for other glycol concentrations Ethylene glycol Propylene glycol % in weight Capacity Absorbed power Capacity Absorbed power 1,061 1,025 1,097 1,033 1,036 1,015 1,067 1,023 1,015 1,005 1,026 1,008 0,985 0,995 0,974 0,992 0,954 0'985 0,923 0,977...
  • Page 23 Technical Information Technical data Pressure available for the hydraulic circuit and pressure drop in the hydraulic circuit (without filter mounted) YLCA/YL‐ YLCA/YLHA HA PLUS Flow rate l/h Avail. kPa Flow rate l/h Avail. kPa PLUS model model 1 700 2 000...
  • Page 24 Technical Information Technical data Pressure drop in filters 1" filter Water flow rate (l/h) 1000 1200 1400 1600 Water flow rate (l/h) 1800 2000 2200 2400 2600 11,8 15,1 18,8 22,8 27,1 1 1/4" filter Water flow rate (l/h) 1500 2000 2500 3000...

  • Page 25: Physical Data

    Technical Information Technical data 1.6.3 Physical data Physical data, YLCA units Physical data YLCA (M and MC) YLCA (T and TC) Characteristics Cooling capacity 5,38 7,13 9,05 7,13 9,05 12,4 14,5 19,52 25,6 Capacity control Power supply V/ph 230.1.50 400.3.50 Max.
  • Page 26 Technical Information Technical data Physical data, YLHA units Physical data YLHA PLUS MC YLHA PLUS TC Characteristics Cooling capacity 7,10 8,72 11,75 8,72 13,8 19,4 25,8 Heating capacity 7,16 10,1 12,25 10,1 12,4 16,1 20,9 27,5 Power supply V/ph 230.1.50 400.3.50 Max.

  • Page 27: Electrical Specifications

    Nominal A Start-up A Nominal kW ply V.ph.Hz. Nominal A Nominal W Nominal A Nominal W Cold Heat Standard Soft Start Cold Heat YLCA 5 7,80 1,73 <45 0,60 0,65 YLHA PLUS 5 7,80 8,10 1,73 1,76 YLCA 7 11,70 2,41 <45...

  • Page 28: Measurements, Clearances And Accesses

    To operate correctly, all minimum clearances shown on the general dimension diagrams should be re‐ spected, with regard to the possible obstruction of air circulation or of the work of an operator. Minimum technical clearance YLCA 5, 7, 9, 12 and 15 N O T E...
  • Page 29 Technical Information Measurements, clearances and accesses Minimum technical clearance YLCA/YLHA PLUS 20 and 27 Water inlet and outlet N O T E Distances in millimetres...

  • Page 30: Dimensions And Hydraulic Connections␤(Models Ylca/Ylha Plus 5)

    Technical Information Measurements, clearances and accesses 1.7.2 Dimensions and hydraulic connections (models YLCA/YLHA PLUS 5) Ø 11,5 Water inlet 1" G Drain connection Øext. 15 Water outlet 1" G...

  • Page 31: Dimensions And Hydraulic Connections (Models Ylca/Ylha Plus 7 And 9)

    Technical Information Measurements, clearances and accesses 1.7.3 Dimensions and hydraulic connections (models YLCA/YLHA PLUS 7 and 9) Ø 11,5 Water inlet 1" G Drain connection Øext. 15 Water outlet 1" G...

  • Page 32: Dimensions And Hydraulic Connections (Models Ylca/Ylha Plus 12 And 15)

    Technical Information Measurements, clearances and accesses 1.7.4 Dimensions and hydraulic connections (models YLCA/YLHA PLUS 12 and 15) Ø 11,5 Water inlet 1" G Drain connection Øext. 15 Water outlet 1" G...

  • Page 33: Dimensions And Hydraulic Connections (Models Ylca/Ylha Plus 20 And 27)

    Technical Information Measurements, clearances and accesses 1.7.5 Dimensions and hydraulic connections (models YLCA/YLHA PLUS 20 and 27) YLCA/YLHA PLUS 20 & 27 11/4”GF 11/4”GF Ø38 Rear view Water outlet Side view Water inlet Front view Air outlet Upper view Air inlet...

  • Page 34: Capacities Ylha

    Technical Information Capacities YLHA 1.8 Capacities YLHA 1.8.1 Cooling capacities YLHA 5 ÷ 27 Outdoor ambient temperature °C DB (80% RH) Water YLHA outlet Abs. Abs. Abs. Abs. Abs. Abs. Abs. Abs. PLUS temp Cap. Cap. Cap. Cap. Cap. Cap. Cap.
  • Page 35 Technical Information Capacities YLHA Outdoor ambient temperature °C DB (80% RH) Water YLHA outlet Abs. Abs. Abs. Abs. Abs. Abs. Abs. Abs. PLUS temp Cap. Cap. Cap. Cap. Cap. Cap. Cap. Cap. power power power power power power power power °C 21,00 5,36...

  • Page 36: Cooling Capacities Ylha 5 ÷ 27 (35% Ethylene Glycol)

    Technical Information Capacities YLHA 1.8.2 Cooling capacities YLHA 5 ÷ 27 (35% ethylene glycol) Outdoor ambient temperature °C DB (80% RH) Water YLHA outlet Abs. Abs. Abs. Abs. Abs. Abs. Abs. Abs. PLUS temp Cap. Cap. Cap. Cap. Cap. Cap. Cap.

  • Page 37: Heating Capacities Ylha 5 ÷ 27

    Technical Information Capacities YLHA Abs. power = Includes compressor and fan consumption. 1.8.3 Heating capacities YLHA 5 ÷ 27 Outdoor ambient temperature °C DB (80% RH) Wa‐ YLHA Abs. Abs. Abs. Abs. Abs. Abs. Abs. Abs. Abs. outlet PLUS Cap. pow‐...

  • Page 38: Capacities Ylca

    Technical Information Capacities YLCA 1.9 Capacities YLCA 1.9.1 Cooling capacities YLCA 5 ÷ 27 Outdoor ambient temperature °C DB (80% RH) Water YLCA outlet Cap. Unit Cap. Unit Cap. Unit Cap. Unit Cap. Unit Cap. Unit Cap. Unit Cap. Unit temp °C...

  • Page 39: Cooling Capacities Ylca 5 ÷ 27 (35% Ethylene Glycol)

    Technical Information Capacities YLCA 1.9.2 Cooling capacities YLCA 5 ÷ 27 (35% ethylene glycol) Outdoor ambient temperature °C DB (80% RH) Water outlet YLCA temp Cap. Unit Cap. Unit Cap. Unit Cap. Unit Cap. Unit Cap. Unit Cap. Unit Cap.

  • Page 40: Cooling Operation And Hydraulic Diagrams

    Technical Information Cooling operation and hydraulic diagrams 1.10 1.10 Cooling operation and hydraulic diagrams 1.10.1 YLCA models: cooling only 1 Heat exchange takes place between the heat transfer liquid (water or glycol water) and the coolant in the plate heat exchanger.
  • Page 41 Technical Information 1.10 Cooling operation and hydraulic diagrams Cooling operation and hydraulic diagram YLCA (only cooling) Safety/Control devices Components High-pressure switch Compressor Expansion vessel Low pressure switch Air-cooled condenser Drain connection Condensing pressure trans‐ ducer (Optional LAK YLCA 5 Water filter (to be installed out‐...

  • Page 42: Ylha Plus Models: Heat Pump

    Technical Information Cooling operation and hydraulic diagrams 1.10 1.10.2 YLHA PLUS models: heat pump Cooling cycle 1 The 4-way valve is activated. 2 Heat exchange takes place between the heat transfer liquid (water or glycol water) and the coolant in the plate heat exchanger. Water is cooled, and coolant is evaporated and reheated. 3 Then the Scroll-type compressor condenses the coolant (gas) until the condensing pressure is reached, and the coolant goes to the air cooled condenser unit.

  • Page 43: Technical Information

    Technical Information 1.10 Cooling operation and hydraulic diagrams Cooling operation and hydraulic diagram YLHA PLUS 5 to 15 Safety/Control devices Components High-pressure switch Compressor Liquid receiver Low pressure switch Air-cooled condenser Drain connection Water filter (to be installed Pressure transducer port. Filter dryer outside the unit) Condenser unit temp.
  • Page 44 Technical Information Cooling operation and hydraulic diagrams 1.10 Cooling operation and hydraulic diagram YLHA PLUS 20 and 27 Safety/Control devices Components High-pressure switch Compressor Automatic air bleed Low pressure switch Air-cooled condenser Expansion vessel Condenser unit temp. sensors (fan speed regulation and read‐ Filter dryer Safety valve ing)

  • Page 45: Instructions For Installation And Connection Of The Unit

    Technical Information 1.11 Instructions for installation and connection of the unit 1.11 Instructions for installation and connection of the unit 1.11.1 Characteristics of the location Before locating the unit, make sure you have received the appropriate product by checking the specifi‐ cations described on the outside of same.

  • Page 46: Specifications For Anchoring The Unit

    Instructions for installation and connection of the unit 1.11 1.11.2 Specifications for anchoring the unit YLCA/YLHA 5, 7, 9, 12, 20 Y 27 Before installing the unit, make sure the structure can support the weight of same. If the unit is to be placed on the floor, a concrete base should be prepared so as to distribute weight evenly.

  • Page 47: Hydraulic Connections

    Technical Information 1.11 Instructions for installation and connection of the unit 1.11.3 Hydraulic connections The hydraulic connections of the water inlet and outlet of the unit should be carried out respecting the inlet and outlet directions indicated. Galvanised iron or copper piping can be used, with dimensions no lower than those indicated, and keep‐ ing in mind the pressure drops at said connections and in the internal exchanger of the installation.

  • Page 48: Wiring Diagrams

    Technical Information Instructions for installation and connection of the unit 1.11 1.11.5 Wiring diagrams Electrical installation YLCA / YLHA PLUS 5 to 27 Flow Switch (only in YLCA terminal strip units without hydraulic group) General alarm (voltage- free inverter contact Outdoor terminal strip max.

  • Page 49: Unit Sound Power Spectrum Data

    Technical Information 1.12 Unit sound power spectrum data 1.12 Unit sound power spectrum data YLCA-YLHA Plus models YLCA-YLHA Plus models Frequency (Hz) 125 Hz 66,2 66,2 79,6 79,6 75,6 250 Hz 70,5 70,5 72,3 74,3 74,3 72,4 81,3 500 Hz...

  • Page 50: Operating Instructions

    B4. Fan speed and defrost cycle control. Reads coolant pressure inside the battery. YLHA PLUS, YLCA 20, 27 and YLCA 5 to 15 LAK (Low ambient Kit accessory) 3 NTC probes are used to read system temperatures and a ratiometric pressure transducer (B4) to read coolant pressure inside the coil: •...
  • Page 51 Technical Information 1.13 Operating instructions Factory Level Accessible with the Factory password. Allows configuration of all unit parameters. Super User Level Accessible with the Super User password. Allows setting of Super User, User and Direct parameters. User Level Accessible with password 22. Allows access to all parameters the user normally sets. Direct Level Accessible without a password.

  • Page 52: General Diagram

    Technical Information Operating instructions 1.13 General diagram General diagram YLCA 5 ÷ 15 Water outlet temperature probe (Antifreeze pro‐ Four-way valve tection) Outdoor temperature probe in units with LAK Pump Battery probe in standard units (fan and defrost control) Heater...
  • Page 53 Technical Information 1.13 Operating instructions General diagram YLCA 20 ÷ 27 and YLHA 5 ÷ 27 Water outlet temperature probe (Antifreeze pro‐ Four-way valve tection) Pump Outdoor temperature probe (Dynamic set point) Ratiometric pressure probe (fan speed and defrost Heater...

  • Page 54: Symbols On The Display

    Technical Information Operating instructions 1.13 Symbols on the display The display has three figures in green, plus the sign and one decimal. It also shows the symbols of the functions selected in orange (the alarm symbol is red). Meaning Button Colour LED permanently lit LED flashing...

  • Page 55: Control Layout

    Four-way valve probe (B2) Indoor heat exchang‐ Outdoor heat exchanger NTC water inlet probe Pressure sensor (BA) (B1) (YLCA / YLHA PLUS 5 to 20 LAK) (YLCA / YLHA PLUS 20 to 27) Pump Outdoor exchanger NTC probe (B3) (YLCA / YLHA PLUS 5 to...

  • Page 56: Parameters Relating To Probes

    73 (R) °C/bar 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 YLCA/YLHA PLUS 5 to 15 /04=2; YLCA/YLHA PLUS 5 to 15 LAK /04=3; YLCA/YLHA PLUS 20 to 27 /04=3...

  • Page 57: Operating Graphics

    Technical Information 1.13 Operating instructions Operating graphics Min. operating time of a compressor Signal Compressor Min. stoppage time of a compressor Signal Compressor Min. time between compressor start-ups Signal Compressor...
  • Page 58 Technical Information Operating instructions 1.13 Compressor / pump stoppage delays Compressor Pump Pump / compressor start-up delays Pump Compressor...

  • Page 59: Parameters Relating To Fans

    Fan operating when starting with high am‐ 91 (R/W) Seconds bient temperature Parameters to be checked when pressure probes are to be used (low ambient accessory) YLCA 5 to 15. Fan speed Condensing temperature Evaporation temperature...

  • Page 60: Parameters Relating To Defrost

    Technical Information Operating instructions 1.13 Parameters relating to defrost Parameters relating to defrost Parameters Description Level Unit Max. Min. Value Defrost operation: 0= Absent (function not available 7 (R/W) 1= Present Defrost at time or temperature: 0= Time (function not available) 8 (R/W) 1= Temperature / Pressure Defrost start temp...

  • Page 61: Antifreeze Control Configuration Parameters

    Technical Information 1.13 Operating instructions Antifreeze control configuration parameters Antifreeze control configuration parameters Parameters Description Level Unit Max. Min. Value Antifreeze control set point temperature 11 (R/W) °C Antifreeze reset differential 12 (R/W) °K Antifreeze alarm by-pass time 22 (R/W) Seconds Antifreeze heater activation temperature 13 (R/W)

  • Page 62: Unit Configuration Parameters

    Display Description Level Unit Max. Min. Value Unit model: (YLCA) 2= Water cooling unit 54 (R/W) 3= Air-water heat pump (YLHA PLUS) Number of ventilation circuits (do not modify this pa‐ 12 (R/W) rameter) No. of evaporating units present (do not modify this...

  • Page 63: Alarm Configuration Parameters

    Technical Information 1.13 Operating instructions Alarm configuration parameters Alarm configuration parameters Parameters Description Level Unit Max. Min. Value Alarm delay by flow switch at start-up. 63 (R/W) Seconds Alarm delay by flow switch with unit in operation. 64 (R/W) Seconds Alarm delay by low pressure switch at start-up.

  • Page 64: Controller Configuration Parameters

    Technical Information Operating instructions 1.13 Controller configuration parameters Controller configuration parameters Display Description Level Unit Max. Min. Value Cool cycle set point temperature 41 (R/W) °C Cool set point temperature differential 42 (R/W) °C Heat cycle set point temperature 43 (R/W) °C Heat cycle set point temperature differential 44 (R/W)

  • Page 65: Alarm Table

    Technical Information 1.13 Operating instructions Alarm table Alarm table Display Alarm type Reset Antifreeze alarm Manual High temperature at start-up (if activated, Automatic P20=1) Low temperature at start-up (if activated, Automatic P20=1) d1-2 Defrost operating dF1-2 Problem in defrost Automatic B1 probe Automatic B2 probe...
  • Page 66 Technical Information Operating instructions 1.13 Temperature / resistance characteristics of NTC control probes (10 kOhms) Temperature Resistance Temperature Resistance Temperature Resistance Temperature Resistance Temperature Resistance [°C] [kOhms] [°C] [kOhms] [°C] [kOhms] [°C] [kOhms] [°C] [kOhms] 329,2 55,95 13,08 1,41 310,7 53,99 12,58 3,77...
  • Page 67 Technical Information 1.13 Operating instructions Functions Alarm reset Pressing the UP ‑4- and DOWN ‑5- keys for 5 seconds cancels the alarms present in the memory. At the same time, the alarm message disappears from the display and the alarm relay is deactivated. Forced defrost (heat pumps) Pressing the SEL ‑6- and UP ‑4- keys simultaneously for 5 seconds activates forced defrost of the unit.

  • Page 68: Electric Circuit Diagrams

    Electric circuit diagrams...

  • Page 69: Electric Circuit Diagram Ylca/Ylha Plus 5÷9 Mc And M (230.1.50)

    Electric circuit diagrams Electric circuit diagram YLCA/YLHA PLUS 5÷9 MC and M (230.1.50) 2.1 Electric circuit diagram YLCA/YLHA PLUS 5÷9 MC and M (230.1.50) 9 9 9 1 0 1 1 a b c *(2) *(3) 230V, 1 ~,50Hz,N, 230V, 1 ~,50Hz,N, PE...
  • Page 70 Electric circuit diagrams Electric circuit diagram YLCA/YLHA PLUS 5÷9 MC and M (230.1.50) Green wire Water flow switch (MC units) White wire Fan speed controller Black wire Heater thermal protection Electronic control High-pressure switch (41 bar) The components in the box are standard acces‐...

  • Page 71: Electric Circuit Diagram Ylca/Ylha Plus 12 Mc And M (230.1.50)

    Electric circuit diagrams Electric circuit diagram YLCA/YLHA PLUS 12 MC and M (230.1.50) 2.2 Electric circuit diagram YLCA/YLHA PLUS 12 MC and M (230.1.50) a b c 230V, 1 ~,50Hz,N, 230V, 1 ~,50Hz,N, PE *(2) *(3) L1 N *(4) *(1)
  • Page 72 Electric circuit diagrams Electric circuit diagram YLCA/YLHA PLUS 12 MC and M (230.1.50) Green wire Fan speed controller White wire Heater thermal protection Black wire High-pressure switch (41 bar) Electronic control Compressor contactor The components in the box are standard acces‐...

  • Page 73: Electric Circuit Diagram Ylca/Ylha Plus 7 And 9 Tc And T (400.3.50)

    Electric circuit diagrams Electric circuit diagram YLCA/YLHA PLUS 7 and 9 TC and T (400.3.50) 2.3 Electric circuit diagram YLCA/YLHA PLUS 7 and 9 TC and T (400.3.50) *(2) a b c *(3) *(4) *(1) *(4) *(5) I-2545g YLCA/YLHA PLUS 7, 9 TC and T...
  • Page 74 Electric circuit diagrams Electric circuit diagram YLCA/YLHA PLUS 7 and 9 TC and T (400.3.50) Green wire Water flow switch (TC units) White wire Fan speed controller Black wire Heater thermal protection Electronic control High-pressure switch (41 bar) The components in the box are standard acces‐...

  • Page 75: Electric Circuit Diagram Ylca/Ylha Plus 12 And 15 Tc And T (400.3.50)

    Electric circuit diagrams Electric circuit diagram YLCA/YLHA PLUS 12 and 15 TC and T (400.3.50) 2.4 Electric circuit diagram YLCA/YLHA PLUS 12 and 15 TC and T (400.3.50) *(2) a b c *(3) *(4) *(1) *(4) *(5) *(4) I-2533i UNIT *(1) Alarm.
  • Page 76 Electric circuit diagrams Electric circuit diagram YLCA/YLHA PLUS 12 and 15 TC and T (400.3.50) Green wire Fan speed controller White wire Heater thermal protection Black wire High-pressure switch (41 bar) Electronic control Compressor contactor The components in the box are standard acces‐...

  • Page 77: Electric Circuit Diagram Ylca/Ylha Plus 20 Tc And T (400.3.50)

    Electric circuit diagrams Electric circuit diagram YLCA/YLHA PLUS 20 TC and T (400.3.50) 2.5 Electric circuit diagram YLCA/YLHA PLUS 20 TC and T (400.3.50) 12 13 14 400V, 3 ~,50Hz, 400V, 3 ~,50Hz,N, L2 L3 a b c 315 mA...
  • Page 78 Electric circuit diagrams Electric circuit diagram YLCA/YLHA PLUS 20 TC and T (400.3.50) Green wire Water flow switch (TC units) White wire Fan speed controller Black wire Heater thermal protection Electronic control High-pressure switch (41 bar) The components in the box are standard acces‐...

  • Page 79: Electric Circuit Diagram Ylca 27 Tc, Ylha Plus 27 (400.3.50)

    Electric circuit diagrams Electric circuit diagram YLCA 27 TC, YLHA PLUS 27 (400.3.50) 2.6 Electric circuit diagram YLCA 27 TC, YLHA PLUS 27 (400.3.50) 12 13 14 400V, 3 ~,50Hz, 400V, 3 ~,50Hz,N, L2 L3 a b c 315 mA...
  • Page 80 Electric circuit diagrams Electric circuit diagram YLCA 27 TC, YLHA PLUS 27 (400.3.50) Green wire Fan speed controller White wire Heater thermal protection Black wire High pressure switch (41 bar) Electronic control Compressor contactor The components in the box are standard acces‐...

  • Page 81: Electric Circuit Diagram Ylca Plus 5 ÷ 9 Mcs (230.1.50) Soft Start

    Electric circuit diagrams Electric circuit diagram YLCA PLUS 5 ÷ 9 MCS (230.1.50) SOFT START 2.7 Electric circuit diagram YLCA PLUS 5 ÷ 9 MCS (230.1.50) SOFT START 9 9 9 10 11 *(2) a b c *(3) 230V, 1 ~,50Hz,N,...
  • Page 82 Electric circuit diagrams Electric circuit diagram YLCA PLUS 5 ÷ 9 MCS (230.1.50) SOFT START Green wire Fan speed controller fuse White wire Water flow switch (MC units) Black wire Fan speed controller Electronic control Heater thermal protection The components in the box are standard acces‐...

  • Page 83: Electric Circuit Diagram Ylca Plus 12 Mcs (230.1.50) Soft Start

    Electric circuit diagrams Electric circuit diagram YLCA PLUS 12 MCS (230.1.50) SOFT START 2.8 Electric circuit diagram YLCA PLUS 12 MCS (230.1.50) SOFT START 9 9 9 10 11 *(2) a b c *(3) 230V, 1 ~,50Hz,N, 230V, 1 ~,50Hz,N, PE...
  • Page 84 Electric circuit diagrams Electric circuit diagram YLCA PLUS 12 MCS (230.1.50) SOFT START Green wire Fan speed controller White wire Heater thermal protection Black wire High-pressure switch (41 bar) Electronic control Auxiliary heater contactor The components in the box are standard acces‐...

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