Air cooled industrial chillers · 2018. 7. 17. · •R410A refrigerant • Cooling capacity 5 ÷...

Post on 23-Jan-2021

2 views 0 download

Transcript of Air cooled industrial chillers · 2018. 7. 17. · •R410A refrigerant • Cooling capacity 5 ÷...

Air cooled industrial chillers

• R410A refrigerant

• Cooling capacity 5 ÷ 175 kW

• Finned coil evaporators submerged in the storage tank

• Scroll compressors

• Unique parametric microprocessors IC208CX.

• Single circuit with ne or two compressors (mod.015-401)

• Dual circuit with four compressors (mod.402-802)

• Electronic thermostatic expansion valve (optional)

• Phase monitor standard

• Compressors crankcase heaters standard

Main features

Air cooled industrial chillers

Models Versions HE High Efficiency

Data declared according to EN14511:2011: cooling*: evaporator: 12/7 °C; ambient temperature35 °C

◼ Standard version 50Hz (mod. 015-802)

Eurovent Energy class: C

Power supply 400V/3/50Hz

4 Versions

◼ High efficiency HE version (mod. 031-702)

Eurovent Energy class : A

Increased condensing surface

EC brushless fans standard

Electronic expansion valve as option

◼ Dual frequency version (mod. 015-161)

Eurovent Energy class: C

Power supply 400V/3/50Hz – 460V/3/60Hz

◼ Standard version 60Hz UL (mod. 015-802)

Power supply 460V/3/60Hz

Versions

Overview mod. 015-602

P3/P5 centrifugal pumps- Double pump P3+P3/P5+P5

(option)- SP without pumpThermostatic expansion valve

- electronic expansion valve (option)

Condensing coils with aluminum fins and copper tubes

IC 208CX electroniccontroller

Finned coil evaporator installedinside the water storage tank

Axial fans- Centrifugal fans mod, 031-161 (option)- EC brushless high head pressure axial fans (option 201-

602)

IP 54 electrical panel

Scroll compressors

Structure and panels made of carbon steel, galvanized and powder coated

Overview mod. 702 - 802

Scroll compressors (tandem)2 Cooling circuit

New frame with panels made of galvanizedcarbon steel sheet.Painting by epoxy polyester power coating.

Electronic expansion valve (option)

Axial EC brushless fans (option)

Condenser coils on twosides. Tubes are made ofcopper and the corrugatedfins are made ofaluminium

New high efficiencyevaporator

Electrical panel IP 54 grade protection

Overview mod. 702 - 802

The expansion tanks are locatedinside the cavity (protected againstimpacts)

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

160

170

180

190

200

015 020 031 051 081 101 121 161 201 251 301 351 381 401 402 502 602 702 802

Co

oli

ng

ca

pa

cit

y [

kW

]

Cooling capacity

---------

---------

2.00

2.10

2.20

2.30

2.40

2.50

2.60

2.70

2.80

2.90

3.00

3.10

3.20

3.30

3.40

3.50

015 020 031 051 081 101 121 161 201 251 301 351 381 401 402 502 602 702 802

EE

ER

EER Energy efficiency

HE EER = 3,1 CLASS A

EER = 2,5 CLASS D

High energy efficiency!

EER = 2,8 CLASS C

2.00

2.10

2.20

2.30

2.40

2.50

2.60

2.70

2.80

2.90

3.00

3.10

3.20

3.30

3.40

3.50

3.60

3.70

3.80

3.90

4.00

4.10

4.20

4.30

4.40

4.50

4.60

4.70

4.80

4.90

5.00

015 020 031 051 081 101 121 161 201 251 301 351 381 401 402 502 602 702 802

ES

EE

R

ESEER Energy efficiency

ESEER average = 3,8

ESEER average = 3,1

TEMPERATURES

❑ T amb MAX: : +43°C:

✓ may reach +50°C with low water outlet temperatures

❑ T amb MIN : -5°with standard step type fan control

✓ version for –20°C

✓ For T< + 5 °C anti-freeze solutions must be used

43°C

-5°/-20°CEVAPORATOR WATER TEMPERATURES

❑ Tw IN/OUT MIN: -5°/-10°C

❑ Tw IN/OUT MAX: +35°/+30°C

✓ These values depend on the ambient temperature

+30°/+35°C -5°/-10°C❑ Operating limits among the best on the market

❑ Standard configuration also for low temperature applications (min. water outlet T down to –10°C)

Operating limits

Advantages

Compressors

Soft starter• Soft starter (optional) factory fitted.

• Available for mod.381-401-702-802 (it will be implemented also on mod. 402-602)

• Reduces starting current by about -30%

Copeland ZP scroll compressors• 2-pole electric motor cooled by the gas drawn into the compressor.

• Axial and radial compliance for superior reliability and efficiency

• Direct starting.

• Suspended on rubber antivibration mounts.

• Installed on a compartment separated from the condensing one.

• Crankcase heater as standard

Advantages• Low pressure drops on water side• Well suited to operate with high flow rates and low ΔT• Susceptibility to fouling significantly lower than plate heat exchangers

Air bleed valve

Water discharge

Level sensor

Evaporator

Non Ferrous version (mod. 015 - 351)❑ Tank in AISI304;❑ exchanger coil with copper tubes and fins and brass shoulders/case; ❑ No Ferrous fittings and pipes: stainless steel and/or brass and/or plastic;

Evaporator❑ Tank in carbon steel

❑ Finned coil type evaporator with copper tubes and aluminiumfins❑ Higher design pressure;❑ Refrigerant flows through the tubes; ❑ The water flows through the baffles in contact with the finned surface;

Axial fans (mod. 015 – 802)

❑ Axial fans with die-cast aluminium crescent-shaped blades

❑ The motor with external rotor and life lubrication forms a single unit with the fan blades and is protected from overheating by an integral thermal cutout.

❑ Protection rating: IP54 from Mod. 031 (IP44 for Mod.015-020)

Fans

Centrifugal fans - option (mod. 031– 161)

❑ Double intake fans with the rotor shrink-fitted directly on the electric motor shaft.

❑ ON-OFF control with pressure switch on HP side

❑ Available head pressure 100 ÷ 200 Pa

❑ IP54

❑ lateral air outlet option no more available

EC high pressure axial fans - option

≈ 55% = 550W

≈ 25% = 250W

≈ 20% = 200W

EC motor

Ziehl ZA plus EC inverter (mod.201 – 802)• They replace the centrifugal fans.

• Synchronous brushless motor inverter driven

• Operating range: stepless rotation from 5% to 100%

• High available head pressure (about 150Pa)

-20%Seasonal

energy saving

Advantages• Higher precision in condensation pressure control

• Seasonal energy aving -20%.

• Pays off in few months

Options and configurations

Dual frequency version (mod. 015-161)

• Mod. 015 - 161

• Power supply 400V/3ph/50Hz - 460V/3ph/60Hz (necessary to change the supply of the primary circuit of the control circuit transformer)

• Available only 2 configuration with P3 pump or SP (without pump)

Dual frequency version

Electronic Expansion Valve (mod. 081-802)

❑ Option available for mod. 081 - 802

❑ EEV is a servo-controlled and electro-mechanic device which expands the flow of refrigerant in a variable manner

❑ A pressure sensor and a temperature sensor correspond to the pressure fitting for compensation and the sensor bulb in the TEV.

❑ Both these sensors are fitted to the evaporator outlet

Features

• Quicker response time for changes

• Stable superheat in the whole range of operation conditions, both for full as well as part load operation.

Advantages

E2V

• Pumps work in stand-by

• Hydraulic connections with flexible pipes

• New configuration with INLET/OUTLET manifolds

• Intercepting and no returns valves

• Pumps switching automatically (running timesequalization).

Double pumps option (mod. 201- 802)

mod. 201 – 351

mod. 402 – 802

Features

❑ Electrical heaters wraped around tank & pump

❑ If -10°C < T amb. < 0°C heaters and pumps are switchedON by the electronic control.

❑ If -20°C < T amb. < -10°C in addition to the anti-freezeheaters, it is necessary to double insulate tanks and pumps(special machine).

❑ If outlet water temperature Tw out <+5°C it is necessaryto use antifreeze mixtures.

Antifreezing heaters option

Features

❑ Availability: mod.015-351

❑ hot gas bypass solenoid valve (mod. 015-051) or electronic expansion valve (081-351)

❑ shut-off valves for hot gas bypass (TAEevo031-351)

The valve keeps the temperature of the process water at the unit outlet constant and within narrow tolerances (precision ±0.5°C) by injecting hot gas into the evaporator.

❑ High precision PID control

❑ Control of outlet temperature independent of compressor minimum ON/OFF times

Close temperature control – LASER version

Features

Advantages

Suitable for ambient temperature down to -20°C:

❑ For operation without glycol the “Antifreeze heaters option” must also be specified.

Electronic fans speed control.

Electr. panel heater

Cranckcase heater

Low ambient temperature version -20°C (mod. 031-802)

Features

TAEevo TECH: QR CODE

TAEevo TECH: QR CODE

TAEevo TECH vs TAEevo R407C

TAEevo TECH vs TAEevo R407C: refrigerant charge

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

015 020 031 051 081 101 121 161 201 251 301 351 402 502 602

Re

frig

era

nt

ch

arg

e [

Kg

]

TAEevo TECH TAEevo

-11% + environmentalfriendly

Air cooled industrial chillers – High efficiency version

High efficiency

TAEevo Tech R410A: HE version

❑ Mod. 031 - 802

❑ ZP SCROLL COPELAND compressor;

❑ Increased condensing surfaces

❑ High efficiency axial fans Ziehl ZA plus EC inverter

❑ High energy efficiency:

✓ EER > 3,1

✓ CLASS A

High efficiency

Features

Air cooled industrial heat pumps

• Erp 2017 ready

• Energy efficiency class A+

• Refrigerant R410A

• Power supply: 400/3/50

• Cooling/Heating capacity: 13 ÷ 80 kW / 15 ÷ 90 kW

• Finned coil evaporators submerged in the storage tank

• Scroll compressors

• Axial EC brushless fans (option)

• IC 208CX electronic controller

• Single circuit with one or two compressors

• Electronic thermostatic expansion valve (optional)

• Phase monitor standard

• Compressors crankcase heaters standard

Main features

High efficiency air-cooled reversible heat pumps

Models Versions

Data declared according to EN14511:2013: cooling*: evaporator: 12/7 °C; ambient temperature35 °C

Water cooled industrial chiller

TWEevo TECH

• Mod. 031-802

• Power supply: 400/3/50 & 460/3/60 UL

• Refrigerant R410A

• Cooling capacity 13 ÷ 230 kW

• Finned coil evaporators submerged in the storage tank

• Shell&Tube condensers

• Scroll compressors

• Unique parametric microprocessors IC208CX.

• Single circuit with ne or two compressors (mod.031-401)

• Dual circuit with four compressors (mod.402-802)

• Electronic thermostatic expansion valve (optional)

• Phase monitor standard

• Compressors crankcase heaters standard

Main features

Water cooled industrial chillers

Models Versions

TWEevo TECH

Air cooled industrial chiller for high ambient temperature

TAEevo PLUS R134a

❑ Standard version for Tamb max +50°C (Twout+15°C);

❑ Refrigerant R134a;

❑ Mod. 020 ÷ 802 ;

❑ Cooling capacity 3,8 ÷ 90kW;

❑ Dynamic water set point according to the outsidetemperature

❑ Electrical panel ventilation;

❑ Pumps suitable for +50°C (oversized motor);

AMBIENT TEMPERATURE

❑ Minimum ambient temperature = 0 ° C (1) (STD version)

❑ Maximum ambient temperature = 50°C (Tw in/out = 20°C/15°C)

❑ (1) Tamb min = 0°C. The value refers to the machine full of ON / OFF fan. For units withelectronic control of the fans consider -5 ° C.

WATER TEMPERATURE

❑ Outlet water temperature MIN = 0 ° C (with glycol)

❑ Inlet water temperature MAX = 35 ° C;

Working limits

Air cooled industrial chiller for low water temperature

TAEevo LWT

❑ Minimum outlet water temperature -20°C

❑ Mod. available 081÷802;

❑ Cooling capacity 7 ÷ 70kW

❑ Scroll compressors;

❑ Compressor crankcase heater;

❑ Check valves for compressors in tandem;

❑ Solenoid valve on liquid line;

❑ Double insulation on hydraulic tank;

❑ Pumps with oversized motor suitable for highpercentages of glycol;

❑ Valves on pump suction and discharge;

AMBIENT TEMPERATURE

❑ Minimum ambient temperature = 5°C (1) (STD version)

❑ Maximum ambient temperature = 45°C (Tw in/out = -10°C/-15 ° C).

❑ (1) The value refers to the machine with ON/OFF fans control. For units with electronic controlTamb min -10 ° C.

WATER TEMPERATURE

❑ Minimum outlet water temperature = -20 ° C

❑ Maximum inlet water temperature = 0°C (1)

❑ (1) transients during start-up with higher temperatures are allowed.

TAEevo LWT - Working limits

Thank You for Your kind attention