Инструкции на Компактные чиллеры (тепловые насосы) York серии YLCA / YLCA Plus 12-27

Текст инструкции

1. Стр. 1 Air-condensed water cooling units

   and heat pumps YLCA / YLHA PLUS 5 to 27 User manual Ref.: N-40315_EN 1110

2. Стр. 4 General description of the unit

   1.1 General description of the unit The YLCA/YLHA PLUS 5 to 27 units are high-performance air-water cooling units and heat pumps using R-410A ecological coolant. These units are designed for air conditioning or industrial applications that require cold or hot water. They are silent and compact…

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 coolant tubing and wiring ready for installation on site. After mounting, these units must go through an operational test with water. Coolant leaks will also be checked during this process.…

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: centri‐ fugal pump, expansion tank loaded with nitrogen at 1,5 bar, safety valve…

5. Стр. 7 General description of the unit

   1 1.1 Options and accessories 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 length: 50 m. Remote terminal For total access and control of the system by means of the display and buttons.…

6. Стр. 8 General description of the unit

   Antivibration supports Whenever necessary to reduce vibrations and noise 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. YLCA/YLHA PLUS 5 ÷ This…

7. Стр. 9 1.2 Operating instructions µC2

   DESCRIPTION OF THE CONTROL UNIT This is a multipurpose controller specially programmed for use with air-water cooling units and heat pumps equipped with a compressor with one single power stage. Main functions • Water temperature control (at inlet or outlet, As per parameter r6). • Defrost cycle…

8. Стр. 10 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.…

9. Стр. 11 1.2.1 General diagram

   General diagram YLCA 5 ÷ 15 A B C D E J F I *1 G H A Four-way valve B2 B Pump B3 Water outlet temperature probe (Antifreeze pro‐ tection) Outdoor temperature probe in units with LAK Battery probe in standard units (fan and defrost control) C Heater B4 Outdoor probe standard units (Dynamic Set point)…

10. Стр. 12 General diagram YLCA 20 ÷ 27 and YLHA 5 ÷ 27

    A B C D E I F G 10 H A Four-way valve B2 Water outlet temperature probe (Antifreeze pro‐ tection) B Pump B3 Outdoor temperature probe (Dynamic set point) C Heater B4 Ratiometric pressure probe (fan speed and defrost control) D Compressor 1 ID1 Water flow switch E Alarm ID2 Remote COOL / HEAT F 230 /…

11. Стр. 13 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 10 9 Meaning Colour LED permanently lit -2- LED flashing Compressor operating * -7Orange -8- Timing start-up Compressor on call…

12. Стр. 14 1.2.3 Control layout

    A Outdoor temperature probe: YLCA / YLHA PLUS 5 to 15 with LAK (B3) YLCA / YLHA PLUS 5 to 15 standard (B4) YLCA / YLHA PLUS 20 to 27 standard (B3) H B Fan I Compressor C Flow switch (FS) J High pressure switch (HP) D NTC water outlet probe (B2) K Four-way valve E Indoor heat exchang‐ er L Outdoor…

13. Стр. 15 1.2.4 Parameters relating to probes

14. Стр. 16 1.2.6 Operating graphics

15. Стр. 17 Compressor / pump stoppage delays

16. Стр. 18 1.2.7 Parameters relating to fans

    Parameters relating to fans Display 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 Parameters relating to defrost

18. Стр. 20 1.2.9 Antifreeze control configuration parameters

19. Стр. 21 1.2.10 Unit configuration parameters

20. Стр. 22 1.2.11 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=…

21. Стр. 23 1.2.12 Controller configuration parameters

22. Стр. 24 1.2.13 Alarm table

    Alarm table Display 22 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 d1-2 Defrost operating - dF1-2 Problem in defrost Automatic E1 B1 probe Automatic E2 B2 probe Automatic…

23. Стр. 25 1.2.14 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…

24. Стр. 26

    User manual Regular maintenance activities for which the user is responsible 1.2.15 Temperature / resistance characteristics of NTC control probes (10 kOhms) Temperature [°C] Resistance [kOhms] Temperature [°C] Resistance [kOhms] Temperature [°C] Resistance [kOhms] Temperature [°C] Resistance…

25. Стр. 27 Regular maintenance activities for which the user is responsible

    1 1.3 1.3.2 Maintenance responsibilities of the user Like any other machine, the HVAC unit requires regular maintenance, as the wear to which some of its parts are subjected can effect its mechanical reliability and the safety of those responsible for its main‐ tenance. In compliance with current…

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