LG R-1233zd Oil-free Inverter Chiller placed in a light gray virtual space.
LG R-1233zd Oil-free Inverter Chiller in a sleek, industrial silver-toned virtual space.
With its oil-free system, the R-1233zd Oil-free Inverter Chiller offers easy maintenance.
Enhanced performance with reduced refrigerant consumption through the falling film evaporator.¹⁾
Stable operation delivered through innovative machine learning²⁾, magnetic bearings, and fast recovery systems.
The HFO R-1233zd refrigerant for lower GWP, non-flammable, lower toxicity.
1) The refrigerant charge for the R-1233zd 500RT and R-134a 500RT Centrifugal Chillers is specified in the product documentation. The R-1233zd 500RT model uses 25% of the total refrigerant charge. Actual performance may vary depending on operating conditions.
2) It is designed to detect and prevent surges in the chiller system. The control algorithm has been developed and its performance validated through internal testing.
The oil-free system eliminates the need for maintenance or replacement of oil-related piping & components, helping to simplify system management and lower overall maintenance requirements.
Unlike flooded evaporators, falling film types drip refrigerant from distributors over stacked tubes, ensuring direct contact with each tube for greater efficiency with less refrigerant.³⁾
3) The refrigerant charge for the R-1233zd 500RT and R-134a 500RT Centrifugal Chillers is specified in the product documentation. The R-1233zd 500RT model uses 25% of the total refrigerant charge. Actual performance may vary depending on operating conditions.
The LG R-1233zd Chiller helps to reduce surges through machine learning-based continuous operation and has increased product reliability through magnetic bearing technology. It can maintain control even during power outages via Online UPS and perform quick recovery 4),5)
LG Oil-free Chiller in a research environment with machine learning-style visuals.
4) It is designed to detect and prevent surges in the chiller system. The control algorithm has been developed and its performance validated through internal testing.
5) Based on internal testing, a 4.5% improvement in efficiency was observed as a result of reduced mechanical friction loss. It may vary depending on actual usage conditions.
The high-safety R-1233zd refrigerant reduces operation costs through its ultra-low GWP(Global Warming Potential) of 1, absence of flame propagation, low toxicity levels, and improved Integrated Part Load Value (IPLV). 6), 7)
6) The refrigerant is classified and approved under ASHRAE standards.
7) Tested in November 2023 with the R-1233zd 700RT Centrifugal Chiller(DCWFLCD) with calibrated equipment based on AHRI’s IPLV standards. (IPLV 12.1) Tested in April 2020 with the R-134a 700RT Centrifugal Chiller (RCWFLCP, IPLV 10.6)
LG Oil-free Inverter Chiller lineup showing capacity ranges. 1 compressor (400–1,000 usRT) and 2 compressor (800–2,000 usRT).
* The above range is based on the nominal tonnage at AHRI condition.
* It may vary cooling capacity depending on voltage.
What are the lineup, refrigerant type, and features of LG R-1233zd Oil-free Inverter Chiller?
(1) Lineup
- 400usRT ~ 2000usRT (1 Comp.)
- 800usRT ~ 4,000usRT (2 Comp.)
(2) Refrigerant - Refrigerant Option : R-1233zd
(3) Key Features
- Easy maintenance with simplified piping & oil-free system
- Highly efficient operation with falling film type evaporator
- Reliable technology with machine learning-based continuous operation, magnetic bearing, and online UPS
- Next generation R-1233zd refrigerant
Why LG R-1233zd Oil-free Inverter Chiller?
The LG R-1233zd Oil-free Inverter Chiller is one of the eco-conscious chiller product, offering efficient building cooling through advanced technologies such as Magnetic Bearing, a BMS system, an Oil-free System, and a Falling Film Type Evaporator.
What are the differences between R-1233zd Oil-free Inverter Chiller and other centrifugal chillers?
The LG R-1233zd Oil-free Inverter Chiller stands apart from other centrifugal chillers by utilizing next-generation refrigerants(R-1233zd). Also, many of the technologies applied to other products, such as oil-free systems and magnetic bearings, are also featured in the LG R-1233zd Oil-free Inverter Chiller.
Which is better R-134a vs R-1233zd?
R-134a refrigerant is low in toxicity, non-flammable, and has an A1 safety grade. However, it has a high Global Warming Potential (GWP) and a low Integrated Part Load Value (IPLV). In contrast, R-1233zd offers similar safety features, with a GWP of 1 and a higher IPLV than R-134a, enabling more efficient operation.
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