Инструкция на Реверсивные тепловые насосы 'воздух-вода' Carrier серии 30RQ

Текст инструкции

1. Стр. 1 30RQ 262-522

   Reversible Air-to-Water Heat Pumps with Integrated Hydronic Module Nominal cooling capacity 240-465 kW Nominal heating capacity 270-560 kW 50 Hz Carrier is participating the Carrier participe auinprogramme Eurovent Certification Programme. de certification EUROVENT. Les produits figurent dans…

2. Стр. 4 1 - INTRODUCTION

   Prior to the initial start-up of the 30RQ units, the people involved should be thoroughly familiar with these instructions. The 30RQ heat pumps are designed to provide a very high level of safety and reliability making installation, start-up, operation and maintenance easier and more secure. They…

3. Стр. 5 1.4 - Maintenance safety considerations

   Engineers working on the electric or refrigeration components must be authorized, trained and fully qualified to do so. All refrigerant circuit work must be carried out by a trained person, fully qualified to work on these units. He must have been trained and be familiar with the equipment and the…

4. Стр. 6 Never apply an open flame or live steam to a refrigerant

   container. Dangerous overpressure can result. 2 - Moving and siting the unit 2.1 - Moving During refrigerant removal and storage operations follow applicable regulations. These regulations, permitting conditioning and recovery of halogenated hydrocarbons under optimum quality conditions for the…

5. Стр. 7 2.3 - Checks before system start-up

   Before the start-up of the refrigeration system, the complete installation, including the refrigeration system must be verified against the installation drawings, dimensional drawings, system piping and instrumentation diagrams and the wiring diagrams. During the installation test national…

6. Стр. 8 3 - dimensions, clearances

   For desuperheater heat reclaim option see chapter 11. 2297 3.1 - 30RQ 262 2410 2457 Power connection 2200 With hydronic module 1500 1500 For user control connection 1500 2253 500 Legend: 2200 Without hydronic module 1 Clearances required for maintenance and air flow 2 Clearances recommended for heat…

7. Стр. 9 3.2 - 30RQ 302-522

   X Y 302-402 432-522 3604 4798 200 0 2297 30RQ Power connection 2200 X With hydronic module 1500 2253 Y 1500 For user control connection 2200 1500 Without hydronic module 1500 2253 Y 1 Legend: 1500 3 NOTE: Non-contractual drawings. 1 Clearances required for maintenance and air flow Water inlet 2…

8. Стр. 10 3.3 - Multiple heat pump installation

   NOTE: If the walls are higher than 2 m, contact the factory A 1500 1500 A B B B B 3000 3000 B 3000 B B 1500 3000 1500 In case of multiple heat pumps (up to four units), the respective clearance between them should be increased from 1500 to 3000 mm for the side space requirement. B If necessary, add…

9. Стр. 11 5 - electrical data - 30RQ

   30RQ Power circuit Nominal power supply Voltage range V-ph-Hz 400-3-50 V 360-440 Control circuit supply 24 V, via internal transformer Nominal unit current draw* Circuit A + B (one power supply) A Maximum unit power input** Circuit A + B (one power supply) kW Unit power factor at max. capacity**…

10. Стр. 12 5.2 - Electrical data, hydronic module

    30RQ Single and dual low-pressure pump Shaft power Power input* Nominal current draw Maximum current draw at 400 V** kW kW A A 2.2 2.7 4.5 4.7 3 3.6 6.0 6.4 3 3.6 6.0 6.4 4 4.6 7.6 8.2 4 4.6 7.6 8.2 4 4.6 7.6 8.2 5.5 6.3 10.3 11.2 5.5 6.3 10.3 11.2 Single and dual high-pressure pump Shaft power…

11. Стр. 13 6 - Application data

    6.1 - Unit operating range Cooling mode ATTENTION: Option 28 “Winter operation” If the outside temperature is below -10°C and the unit has been switched off for more than 4 hours, it is necessary to wait 2 hours after the unit has been switched on again to allow the frequency converter to warm up.…

12. Стр. 14 6.4 - Variable flow water heat exchanger

    6.6 - Maximum system water volume Variable water heat exchanger flow can be used in standard heat pumps. The flow rate must be higher than the minimum flow given in the table of permissible flow rates and must not vary by more than 10% per minute. Units with hydronic module incorporate an expansion…

13. Стр. 15 7 - ELECTRICAL CONNECTION

    Please refer to the certified dimensional drawings, supplied with the unit. Calculate the maximum deviation from the 400 V average: (AB) = 406 - 400 = 6 (BC) = 400 - 399 = 1 (CA) = 400 - 394 = 6 MOTOR 7.1 - Power supply The power supply must conform to the specification on the heat pump nameplate.…

14. Стр. 16 7.4 - Recommended wire sections

    Wire sizing is the responsibility of the installer, and depends on the characteristics and regulations applicable to each installation site. The following is only to be used as a guideline, and does not make Carrier in any way liable. After wire sizing has been completed, using the certified…

15. Стр. 17 8 - WATER CONNECTIONS

    For diameters and position of the heat exchanger water inlet and outlet connections refer to the certified dimensional drawings supplied with the unit. The piping must not in any way lead to mechanical constraints on the heat exchangers. 8.1 - Operating precautions 8.1.1 - General The fluid to be…

16. Стр. 18 8.2 - Hydronic connections

    8.2.1 - Unit equipped with hydronic module option This diagram illustrates a typical hydronic installation. Legend Components of the unit and hydronic module Victaulic screen filter Expansion tank Safety valve Available pressure pump Pressure tap Pressure gauge to measure the component pressure drop…

17. Стр. 19 8.2.2 - Unit without hydronic module option

    Typical water circuit diagram - without hydronic module Legend 1 Control valve 2 Air vent 3 Flow switch for the water heat exchanger (supplied) 4 Flexible connection 5 Heat exchanger 6 Temperature sensor (supplied) 7 Drain 8 Buffer tank (if needed) 9 Filter (mesh size: 1.2 mm = 20 mesh) 10 Expansion…

18. Стр. 20 30RQ with configuration: leaving water control

    Typical accessory installation diagram Legend 1 2 Master unit Slave unit 6 Control boxes of the master and slave units Water inlet Water outlet Water pumps for each unit (included as standard for units with hydronic module) Additional sensors for leaving water control, to be connected to channel 1…

19. Стр. 21 Example of additional electric heaters

    120 A 100 1 Pump capacity (%) C 4 40 B 20 0 -15 -10 -5 Outdoor air temperature, °C Legend 1 Stage 1 2 Stage 2 3 Stage 3 4 Stage 4 A Heat pump capacity variation as a function of the air temperature B Building thermal load C Balance point between the capacity supplied by the heat pump and the thermal…

20. Стр. 22 9 - NOMINAL SYSTEM WATER FLOW CONTROL

    The water circulation pumps of the 30RQ units have been sized to allow the hydronic modules to cover all possible configurations based on the specific installation conditions, i.e. for various temperature differences between the entering and the leaving water (∆T) at full load, which can vary…

21. Стр. 23 9.2 - Pump pressure/flow rate curves

    Pressure supplied, kPa Low-pressure pumps Water flow rate, l/s Legend 1 30RQ 262 2 30RQ 302-342 3 30RQ 372-402-432 4 30RQ 462-522 Pressure supplied, kPa High-pressure pumps Water flow rate, l/s Legend 1 30RQ 262 2 30RQ 302-342 3 30RQ 372-402-432 4 30RQ 462-522 23

22. Стр. 24 9.3 - Available static system pressure

23. Стр. 25 10 - Major system components

    10.5 - Electronic expansion valve (EXV) 10.1 - Compressors 30RQ units use hermetic scroll compressors. The EXV is equipped with a stepper motor (2785 to 3690 steps, depending on the model) that is controlled via the EXV board. Each compressor is equipped with a crankcase oil heater, as standard…

24. Стр. 26 NOTES: Monitoring during operation, re-qualification, retesting and re-testing dispensation

25. Стр. 27 11 - options AND accessoires

    11.1 - Heat reclaim option using desuperheaters This option permits the production of free hot water using heat reclaim by desuperheating the compressor discharge gases. The option is available for the whole 30RQ range. A plate heat exchanger is installed in series with the air condenser coils on…

26. Стр. 28 11.1.2 - Dimensional drawings for units equipped with the desuperheater option

    30RQ 262 1068 2297 113 2410 2457 Power connection 2200 Unit with hydronic module 1500 ∅ 2" Cylindrical gas thread, desuperheater-side 1 3 Legend: 1 Clearances required for maintenance and air flow 2 Clearances recommended for evaporator tube removal 2253 519 All dimensions are in mm. Water inlet…

27. Стр. 29 30RQ 302-522

    1068 2297 Z Power connection X 2200 Unit with hydronic module 1500 2231 ∅ 2" Cylindrical gas thread, desuperheater-side 12 740 Y 1 1500 1500 Control power user connection 2200 Unit without hydronic module 1500 2231 1 ∅ 2" Cylindrical gas thread, desuperheater-side 12 740 Y 1 1500 1500 Legend…

28. Стр. 30 11.1.3 - Installation and operation of the heat reclaim with

    desuperheater option During the unit installation the heat reclaim plate heat exchangers must be insulated and frost protected, if required. The 30RQ units with the desuperheater option (No. 49) are supplied with one heat exchanger per refrigerant circuit. Please refer to the typical installation…

29. Стр. 31 11.1.4 - Installation

    The water supply of each desuperheater is arranged in parallel. The water connections on the desuperheater water inlets and outlets must not cause any mechanical local constraint at the heat exchangers. If necessary, install flexible connection sleeves. Install water flow control and balancing…

30. Стр. 32 11.1.6 - Control configuration with the desuperheater option

    11.2 - Option 241 This configuration allows the user to enter a setpoint that is relative to the minimum condensing temperature (default = 30°C) to increase the heating capacity reclaimed at the desuperheaters, if required. During transport in a closed container the refrigerant charge must be…

31. Стр. 33 11.3 - Other options and accessories

    Options No. Description Advantages Use Condenser with pre-treated fins* 3A Pre-treated aluminium fins (polyurethane and epoxy) Improved corrosion resistance, recommended for marine environments 30RQ 262-522 Low noise level 15 Sound absorbing compressor enclosure Noise emission reduction 30RQ 262-522…

32. Стр. 34 12 - STANDARD MAINTENANCE

    • Air conditioning equipment must be maintained by professional technicians, whilst routine checks can be carried out locally by specialised technicians. • Simple preventive maintenance will allow you to get the best performance from your HVAC unit: • improved cooling performance • reduced power…

33. Стр. 35 12.6 - Air heat exchanger

    We recommend, that finned coils are inspected regularly to check the degree of fouling. This depends on the environment where the unit is installed, and will be worse in urban and industrial installations and near trees that shed their leaves. For coil cleaning, two maintenance levels are used…

34. Стр. 36 13 - LIST OF CHECKS TO BE CARRIED OUT BY THE INSTALLER BEFORE CALLING CARRIER SERVICE FOR

    UNIT MAINTENANCE Is there any shipping damage? If so, where? Will this damage prevent unit start-up? Unit is level in its installation Power supply agrees with the unit nameplate Electrical circuit wiring has been sized and installed properly Unit ground wire has been connected Electrical circuit…

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