STjh 783 kW water-cooled screw chiller with enlarged water connections and extended heat exchangers on white.

STJH-SCREW-COMPRESSOR-CHILLER-783KW

Screw Chiller 783 kW Water-Cooled

A 225-ton-class water-cooled twin-screw chiller delivering approximately 782.5 kW with a 33.7 l/s evaporator flow.

Approximately 782.5 kW cooling
33.7 l/s evaporator flow
225-ton physical configuration

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Product Introduction

The 225-ton configuration increases cooling to approximately 782.5 kW and input to 147.7 kW. Larger evaporator and condenser water hardware distinguish it from the 150-ton frame for medium-to-large clean manufacturing plants.

Key Features

Expanded process capacity

The larger heat exchangers and compressor serve a central loop beyond the compact 563 kW machine.

Twin-screw modulation

Capacity control follows changing utility load while maintaining chilled-water supply conditions.

Larger water-side hardware

The 33.7 l/s evaporator duty requires appropriately sized connections, pumps and strainers.

Technical Parameters

Nominal Capacity	225 tons / approximately 782.5 kW
Input Power	147.7 kW
Evaporator Flow	33.7 l/s
Compressor Type	Hermetic twin screw
Heat Rejection	Water-cooled condenser
Evaporator	Shell-and-tube chilled-water circuit
Capacity Control	Continuous or stepped screw modulation
Water-Side Accessories	Flow switch and isolation options
Installation	Indoor central utility plant
Customization	Water connections, electrical selection and capacity controls can be configured for the intended application and operating environment.

Applications

Medium-to-large pharmaceutical plants, electronics production, controlled manufacturing and central utility chilled-water systems.

Solutions for Your Application

The plant load is too large for a compact 150-ton chiller but remains below dual-circuit scale.Use the 225-ton configuration at the verified design and part-load operating points.

Existing pumps cannot deliver the larger evaporator flow without excessive pressure loss.Check the 33.7 l/s duty against pump curves, pipe sizing and heat-exchanger pressure drop.

Available Options

Water-box options, electrical starter, sound treatment, pump controls, heat recovery, pressure ratings and plant-network integration can be selected.

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