Инструкция на Чиллеры с воздушным конденсатором.

Текст инструкции

1. Стр. 1 Product Manual

   504 B – 07/07 A – EN Date: July 2007 Supersedes: none Inverter air to water heat pumps McEnergy HPI 067.2÷104.2 Cooling capacity from 249 to 385 kW Heating capacity from 274 to 412 kW Refrigerant: R-134a McQuay is participating in the Eurovent Certification Programme. Product are as listed in the…

2. Стр. 2 McEnergy – Inverter air to water heat pump

   McEnergy is the solution for the most stringent requirements of comfort cooling, heating, ice storage and process applications, in 249kW÷385kW range for cooling and 274kW÷412kW range for heating. It has been designed for minimising energy cost and maximising capacity. Inverter driven on McQuay…

3. Стр. 3 Screw compressors with integrated oil separator

   The compressors are semi-hermetic, single-screw type with gate-rotor (made of carbon impregnated engineered composite material). Each compressor has one inverter managed by the unit microprocessor for infinitely modulating the capacity. An integrated high efficiency oil separator maximises the oil…

4. Стр. 4

   environmental comfort. The minimum water content per unit should be calculated with a certain approximation using this simplified formula: (1) Q = 35,83 X P (kW) ∆T(°C) where: Q = minimum water content per unit expressed in litres P = minimum cooling capacity of the unit expressed in kW ∆T =…

5. Стр. 5 System security

   • Phase monitor. • Freeze protection. Regulation type Proportional + integral + derivative regulation on the leaving water evaporator output probe. Condensation The condensation can be carried out according to temperature or pressure or pressure ratio. The fans can be managed according to ON/OFF…

6. Стр. 6 Electronic Expansion Valve

   Victaulic water connections. General fault relay – Contactor for alarm warning. Discharge line shut off valves – Installed on the discharge port of the compressor. Suction line shut off valve – Suction shut-off valve installed on the suction port of the compressor to facilitate maintenance…

7. Стр. 7 Installation notes

   Handling Care should be taken to avoid rough handling or shock due to dropping the unit. Do not push or pull the unit from anything other than the base, and block the pushing vehicle away from the unit to prevent damage to the cabinet. Never allow the unit fall during unloading or moving as this may…

8. Стр. 8 Acoustic protection

   When noise level must meet special requirements, it is necessary to pay the maximum attention to ensure the perfect insulation of the unit from the support base by applying appropriate vibration-dampening devices on the unit, on the water pipes and on the electrical connections. Storing The…

9. Стр. 9 Table 1 – Evaporator fouling factors

   Fouling factors m2°C / kW Cooling capacity correction factor Power input correction factor COP correction factor 0,0176 0,0440 0,0880 0,1320 1,000 0,978 0,957 0,938 1,000 0,986 0,974 0,962 1,000 0,992 0,983 0,975 Table 2 – Altitude correction factors Elevation above sea level (m) Barometric pressure…

10. Стр. 10 Specifications

    TECHNICAL SPECIFICATIONS Cooling Capacity Heating Type Capacity control Minimum capacity Cooling Unit power input Heating EER COP ESEER Colour Casing Material Dimensions Weight Water heat exchanger Air heat exchanger Fan Compressor Sound level Refrigerant circuit Piping connections Safety devices…

11. Стр. 11 Frequency

    Power Supply Voltage Unit Fans Compressor Notes McEnergy HPI ST 067.2 3~ 50 400 -10% +10% 19,8 19,8 3~ 400 -10% +10% 188 075.2 080.2 086.2 3~ 3~ 3~ Hz V Minimum % -10% -10% -10% Voltage Tolerance Maximum % +10% +10% +10% Maximum starting current A Nominal running current cooling A Nominal running…

12. Стр. 12 Capacity

    Heating Type Capacity control Minimum capacity Cooling Unit power input Heating EER COP ESEER Colour Casing Material Dimensions Weight Water heat exchanger Air heat exchanger Fan Compressor Sound level Refrigerant circuit Piping connections Safety devices Safety devices Safety devices Safety devices…

13. Стр. 13 Frequency

    Power Supply Voltage Unit Fans Compressor Notes McEnergy HPI ST 090.2 3~ 50 400 -10% +10% 26,4 26,4 3~ 400 -10% +10% 250 101.2 104.2 3~ 3~ Hz 50 50 V 400 400 Minimum % -10% -10% Voltage Tolerance Maximum % +10% +10% Maximum starting current A 231 231 Nominal running current cooling A 209 220 Nominal…

14. Стр. 14 Capacity

    Heating Type Capacity control Minimum capacity Cooling Unit power input Heating EER COP ESEER Colour Casing Material Dimensions Weight Water heat exchanger Air heat exchanger Fan Compressor Sound level Refrigerant circuit Piping connections Safety devices Safety devices Safety devices Safety devices…

15. Стр. 15 Frequency

    Power Supply Voltage Unit Fans Compressor Notes McEnergy HPI LN 067.2 3~ 50 400 -10% +10% 16,2 19,8 3~ 400 -10% +10% 188 075.2 080.2 086.2 3~ 3~ 3~ Hz V Minimum % -10% -10% -10% Voltage Tolerance Maximum % +10% +10% +10% Maximum starting current A Nominal running current cooling A Nominal running…

16. Стр. 16 Capacity

    Heating Type Capacity control Minimum capacity Cooling Unit power input Heating EER COP ESEER Colour Casing Material Dimensions Weight Water heat exchanger Air heat exchanger Fan Compressor Sound level Refrigerant circuit Piping connections Safety devices Safety devices Safety devices Safety devices…

17. Стр. 17 Frequency

    Power Supply Voltage Voltage Tolerance Unit Fans Compressor Notes McEnergy HPI LN Minimum Maximum Hz V % % A A A A A A A 090.2 3~ 50 400 -10% +10% 21,6 26,4 3~ 400 -10% +10% 250 101.2 3~ 50 400 -10% +10% 21,6 26,4 3~ 400 -10% +10% 250 104.2 3~ 50 400 -10% +10% 21,6 26,4 3~ 400 -10% +10% 250 Maximum…

18. Стр. 18 Sound levels McEnergy HPI ST in cooling and heating

    Unit size -5 Sound pressure level at 1 m from the unit in semispheric free field (rif. 2 x 10 Pa) 63 Hz 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 8000 Hz dB(A) dB(A) 58,6 49,8 80,0 99,5 67,2 58,6 49,8 80,0 99,5 67,2 58,6 49,8 80,0 99,5 100,4 067.2 74,9 73,5 73,7 72,8 79,0 67,2 075.2 74,9 73,5 73,7 72,8…

19. Стр. 37 Evaporator pressure drop

20. Стр. 38 Low lift water pumps kit (option on request)

21. Стр. 39 High lift water pumps kit (option on request)

22. Стр. 40 Water pumps kit (option on request) – Electrical data

    Unit model Pump type Size Version 067.2 ST 075.2 Pump motor power kW Current A Voltage 3 ph / 50 Hz low lift high lift low lift high lift single/ double 2,2 4,0 5,0 8,1 380÷415 V ST single 2,2 4,0 5,0 8,1 380÷415 V 075.2 ST double 3,0 4,0 6,0 8,1 380÷415 V 080.2 – 104.2 ST single/ double 3,0 5,5 6,0…

23. Стр. 41 Partial heat recovery ratings - McEnergy HPI ST/LN

    HEAT RECOVERY LEAVING WATER TEMPERATURE (°C) 067.2 075.2 080.2 086.2 090.2 101.2 104.2 Evaporator leaving water temp. 7°C - ∆ T 5°C ambient temperature 35°C Unit size 45 (∆ ∆T=5°C) 50 (∆ ∆T=5°C) 55 (∆ ∆T=5°C) Heating capacity (kW) Heating capacity (kW) Heating capacity (kW) 74,3 67,8 57,9 80,9 76,1…

24. Стр. 42 Dimensions

25. Стр. 43 Technical Specification for Air to Water Heat Pump Unit

    GENERAL The air to water heat pump will be designed and manufactured in accordance with following European directives that are equivalent to American Air-Conditioning Industry codes: Rating of chillers Construction of pressure vessel Electrical codes Machine Safety, Electrical Codes Machinery…

26. Стр. 44 NOISE LEVEL AND VIBRATIONS

    Sound pressure level at 1 meter distance in free field, semispheric conditions, shall not exceed ………dB(A). The sound pressure levels must be rated in accordance to ISO 3744. Other types of rating unacceptable. Vibration level should not exceed 2 mm/s. DIMENSIONS Unit dimensions shall not exceed…

27. Стр. 45 o Low evaporation refrigerant temperature

    o High compressor motor amps Ait ro water heat pump shall be able to deliver heating capacity (with -5°C outside ambient temperature) higher than, or at least equal to its nominal cooling capacity related at +35°C outside ambient temperature with +7°C for set-point of the leaving evaporator chilled…

28. Стр. 46 Condensation control

    The units will be provided with an automatic control for condensing pressure which ensures the working at low external temperatures down to +10 °C, thanks the ON/OFF of the condenser fans, to maintain condensing pressure. Fan speed control, to allow unit’s operation with very low ambient temperature…

29. Стр. 47 - scheduling via internal time clock to allow programming of a yearly start-stop schedule

    accommodating weekends and holidays. Optional High Level Communications Interface The controller as a minimum shall be capable of providing the data shown in the above list and document entitled McQuaycomms, using the following options: Option A Option C Option E RS485 Serial card Option B RS232…

30. Стр. 48

    We reserve the right to make changes in design and construction at any time without notice, thus the cover picture is not binding. McQuay partecipa al programma di Certificazione Eurovent. I prodotti interessati figurano nella Guida Eurovent dei Prodotti Certificati. McQuay is participating in the…

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