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Low GWP Rrefrigerants r1234ze(e) and r1234ze(z) for High Temperature Gound Source Heat Pumps Low GWP Rrefrigerants r1234ze(e) and r1234ze(z) for High Temperature Gound Source Heat Pumps Low GWP Rrefrigerants r1234ze(e) and r1234ze(z) for High Temperature Gound Source Heat Pumps

Low GWP Rrefrigerants r1234ze(e) and r1234ze(z) for High Temperature Gound Source Heat Pumps

This project is designed for Food Processing Plant in Southeast Asia, which is used to provide maximum 75℃ hot water to the machine on the food processing process.
According to actual need of customer, this project was advised to use R1234ze refrigerant as medium to achieve maximum 75℃ hot water. It’s low gwp refrigerants r1234ze(e) and r1234ze(z) for high temperature heat pumps.

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Product Detail

Low GWP Refrigerants r1234ze(e) and r1234ze(z) for High Temperature Gound Source Heat Pumps


Heat Pump Features Overview

High temperature ground source heat pump with high COP
Environmentally friendly refrigerant with super low GWP – R1234ZE.
Special design high temperature semi-hermetic screw type compressor.
Condenser maximum water outlet temperature 75oC.
Evaporator water inlet temperature range 27oC - 45oC.
Compressor part load from 0%, 50%, 75%, 100% based on hot water requirement during peak and non-peak.
Multiple safety protections.
Drier-filter inspection sight-glass for visible refrigeration state.
Built-in control cabinet attuned to all components and requirements.
Control based on PLC, integration of pumps, valves, fans, etc.
Reliable electromagnetic expansion valve for optimal and precise refrigerant injection in the evaporator.  
Electronic PLC controller (monitoring running parameter digitally)
Graphic touch screen
Clear text fault messages in case of malfunctions  
Graphic display of refrigeration circuit diagram and components
Refrigeration temperature monitoring
Operation point
Application limits 

High level interfacing connectivity to external energy monitoring panel or BMS


Specification

DESCRIPTION

40STD-790WHS4 (Customized)

TECHNICAL DATA

*Nominal Heating Capacity, kW

752.8

*Nominal Cooling Capacity, kW

620

COP

5.67

Rated Input Power, kW

132.8

Power Supply, Volts/Ph/Hz

415/3/50

Refrigerant

R1234ZE

Refrigerant Factory Charge, kg

134

Rated Outlet Water Temperature, °C

55

Max. Outlet Water Temperature, °C

75

Dimensions (L x W x H), mm

3900x1800x2200

Noise Level, dB

82

Safety Protection

Phase Reversion, Phase Loss, Overload Current, Low/High Pressure, Low Temp, Low Water Flow, High Discharge Temp

Metering Device

Electronic Expansion Valve

Net Wt./Approx. Shipping Wt., kg

3000

Testing

Run Tested at Factory Prior to Shipment

COMPRESSOR

Quantity/Type

1/Semi-Hermetic Screw Type

Volts/Phase/Hertz

415/3/50

Rated Load Amps, A

227A 

Capacity Control

0%, 50%, 75%, 100%

EVAPORATOR

Heat Exchanger Type

Shell & Tube (Copper Tube, Steel Shell)

Cooling Side Water Flow Rate, m3/hr

47.27

Pressure Drop thru Heat Exchanger, kPa

53

Max. Working Pressure (Water Side), kPa

1000

Water Connection

DN125

CONDENSER

Heat Exchanger Type

Shell & Tube (Copper Tube, Steel Shell)

Heating Side Water Flow Rate, m3/hr

129.67

Pressure Drop thru Heat Exchanger, kPa

61

Max. Working Pressure (Water Side), kPa

1000

Water Connection

DN125

Rated condition: Source inlet/outlet water temperature38oC/27oC, condenser inlet/outlet water temperature 50oC/55oC.

R1234ZE Refrigerant
Summary
R1234ze is a low Global Warming Potential (GWP) refrigerant, The R1234ze refrigerant is a HFO refrigerant , used as a replacement for R134a in medium temperature refrigeration and air conditioning applications including water chillers.

R1234ZE Refrigerant Application


Advantage: 
1. The R1234ze refrigerant is a HFO refrigerant with a very low GWP (7). vs 1300 of the R134a 
Disadvantage: 
1. the R1234ze chiller compressor is larger in size and operates at a lower speed (rpm) for the same chiller capacity

215 Ton Heat Pump Unit Design

215 Ton Heat Pump Unit Design



H.Stars Heat Pump Production Photos


ground source heat pumphigh temperature ground source heat pumplow gwp refrigerants r1234ze(e) and r1234ze(z) for high temperature heat pumps




Contact Us For More Details
contact experts
Contact Person: Ms May Chow Mobile/WhatsApp: +86 18665672648 Tel: +86-20-62266755 Ext. 886 Fax: +86-20-82266081 Email: maychow@hstars.com.cn
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