Инструкция на Компактные чиллеры (тепловые насосы) с воздушным охлаждением конденсатора York серии YLCA / YLHA 50-60-80. Руководство пользователя.

Текст инструкции

1. Стр. 1 Air-condensed water chillers and

   heat pumps YLCA 50, 60 and 80 User manual Ref.: N-40289_EN 0910

2. Стр. 4 General description of the unit

   1.1 General description of the unit The YLCA/YLHA units are high-performance air-water chillers and heat pumps using R-410A ecological refrigerant. These units are designed for air conditioning or industrial applications that require cold or hot water. They are silent and compact units, equipped…

3. Стр. 5 General description of the unit

   1 1.1 1.1.2 Technical specifications These units are supplied completely factory-assembled and with all refrigerant tubing and wiring ready for installation on site. After mounting, these units must go through an operational test with water. Re‐ frigerant leaks will also be checked during this…

4. Стр. 6 General description of the unit

   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: Lined buffer tank and with an antifreeze heater, centrifugal pump, expansion…

5. Стр. 7 General description of the unit

   1 1.1 Options and accessories Units without hydro kit This includes the elements described in the previously mentioned specifications, less the hydro kit (pack). The water circuit includes an air bleed valve. Connections are ready for on-site installation. Two pumps Accessory available with models…

6. Стр. 8 General description of the unit

   Antivibratory supports Whenever necessary to reduce vibrations and noise produced by the unit to a maximum, a set of steel spring antivibratory 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. This base must be solid…

7. Стр. 9 1.2 Operating instructions µC2 (YLCA 50, 60 and 80)

   DESCRIPTION OF THE CONTROL UNIT This is a multipurpose controller specially programmed for use with air-water chillers and heat pumps equipped with a tandem compressor, two power stages and a single cooling circuit. Main functions • Water temperature control (at inlet or outlet, as per parameter…

8. Стр. 10 Direct Level

   Accessible without a password. Allows for reading of the values detected by the 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 controller in Standby…

9. Стр. 11 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…

10. Стр. 12 1.2.2 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). Button Meaning Colour LED permanently lit -2-7Orange -8- Timing start-up Compressor on call - Water pump operating - -9- Fans operating…

11. Стр. 13 1.2.3 Location of controls (YLCA 50, 60 and 80)

    A Temperature sensor (B3) H Low-pressure switch (LP) B Fan I1 Compressor 1 C Flow switch (FS) I2 Compressor 2 D NTC water outlet sensor (B2) J high-pressure switch (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…

12. Стр. 14 1.2.4 Parameters relating to sensors

13. Стр. 15 1.2.6 Operating graphics

    Min. 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 13

14. Стр. 16 Min. time between start-up of two compressors

    A Signal 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 14 Pump

15. Стр. 17 Pump / compressor start-up delays

16. Стр. 18 1.2.7 Parameters relating to fans

    Parameters relating to fans Parameters F01 Description Fan outlet: 0= Absent (function not available Level VS F Unit Max. Min. Value 10 (R/W) U 48 (R/W) 1= Present Operating mode: 0=Always ON (function not available) F02 1= parallel to the compressor (function not available) 2=ON/OFF operation…

17. Стр. 19 1.2.8 Antifreeze control configuration parameters

    Antifreeze control configuration parameters Parameters Description Level VS Unit Max. Min. A01 Antifreeze control set point temperature U 11 (R/W) °C - A07 3 A02 Antifreeze reset differential U 12 (R/W) °K 50 0,3 5 A03 Antifreeze alarm bypass time U 22 (R/W) Seconds A04 Antifreeze heater activation…

18. Стр. 20 1.2.9 Unit configuration parameters

19. Стр. 21 1.2.10 Alarm configuration parameters

    Alarm configuration parameters Parameters Level VS Unit Max. Min. Value P01 Alarm delay by flow switch at start-up. U 63 (R/W) Seconds P02 Alarm delay by flow switch with unit in operation. U 64 (R/W) Seconds P03 Alarm delay by low-pressure switch at start-up. U 65 (R/W) Seconds P05 Alarm reset 6=…

20. Стр. 22 1.2.11 Controller configuration parameters

21. Стр. 23 1.2.12 Alarm table

    Alarm table Display Alarm type Reset A1 Antifreeze alarm Manual Aht High temperature at start-up (if activated, P20=1) Automatic ALt Low temperature at start-up (if activated, P20=1) Automatic E1 B1 sensor Automatic E2 B2 sensor Automatic E3 B3 sensor Automatic E4 B4 sensor Automatic ELS Low supply…

22. Стр. 24 1.2.13 Functions

    Alarm reset Pressing the UP and DOWN keys for 5 seconds cancels alarms present in the memory. At the same time, the alarm message disappears from the display and the alarm relay is deactivated. Clearing hour counters While reading compressor or pump (c10, c11 and c15) operating hours, said counters…

23. Стр. 25 Regular maintenance activities for which the user is responsible

    1 1.3 1.3 Regular maintenance activities for which the user is respon‐ sible 1.3.1 Maintenance Schedule The air conditioning unit is designed to require as little maintenance as possible. Nevertheless, to ensure smooth operations with a minimal use of electricity, a long working life and compliance…

24. Стр. 26

    User manual Regular maintenance activities for which the user is responsible DANGER It is strictly prohibited for the user to carry out any maintenance or upkeep tasks on the HVAC unit. This appliance is not destined for use by people (including children) with limited physical, sensorial or mental…

Схемы, таблицы и рисунки — в просмотре документа выше. Клик по номеру страницы открывает её в просмотре.