30WI

Carrier Commercial Chillers Water Cooled Chiller
30WI
Water Cooled Chiller with Fixed Speed Scroll Compressor

30WI

The new generation of AQUASNAP 30WI water-cooled heat pumps and water chillers offers an optimal solution for all heating processes or cooling applications. These units are designed to be installed in machine rooms that are protected against freezing temperatures and inclement weather.

The new generation of AQUASNAP 30WI water-cooled heat pumps and water chillers offers an optimal solution for all heating processes or cooling applications. These units are designed to be installed in machine rooms that are protected against freezing temperatures and inclement weather.

30WI

General description

SCROLL hermetic compressors Chilled water evaporator with brazed plates Hot water condenser with brazed plates Electrical power and remote control cabinet: 400V-3ph-50Hz general electrical power supply (+10%/-10%) + earth Transformer fitted as standard on the machine for supplying the remote control circuit with 230V-1ph-50Hz 30WI electronic control module

European standards and directives compliance

Machinery directive 2006/42/EC Electromagnetic compatibility directive 2004/108/EC EMC immunity and emissions EN 61800-3 ‘C3’ Low voltage directive 2006/95/EC RoHS 2011/65/EU Pressure equipment directive (PED) 97/23/EC Machinery directive EN 60-204 -1

Main components

Compressors Built-in electric motor cooled by intake gases Motor protected by internal winding thermostat Placed on anti-vibration mounts Evaporator and condenser Brazed plate exchanger. Stainless steel plates (AISI 316) Plate patterns optimized for high efficiency Armaflex thermal insulation on evaporator Refrigerating accessories Dehumidifier filters with rechargeable cartridges Hygroscopic sight glasses Solenoid valves on refrigerant lines (700 V to 1200 V models) Electronic expansion valves Control and safety instruments High and low pressure sensors High pressure safety valves Water temperature control sensors Evaporator frost protection sensor Factory-assembled evaporator water flow controller Electrical box Main safety switch with handle on front Control circuit transformer Circuit breaker for compressor motor Compressor motor switches Wire numbering Marking of the main electrical components

30WI Electronic control module

Regulation of the chilled or hot water temperature
Regulation of the water temperature based on the outdoor temperature (water law)
Regulation for low temperature energy storage
Second set-point management
Complete management of compressors with start-up sequence, metering and runtime balancing
Self-adjusting and proactive functions with adjustment of parameters on drift control
In-series staged capacity-reduction system on compressors based on cooling and heating demands
Management of compressor short cycle protection
Management of the machine operation limit according to outdoor temperature
Operating and fault status diagnostics
Management of a fault memory allowing a log of the last 20 incidents to be accessed, with operating readings taken when the fault occurs
Lead/lag management of the two machines in parallel with runtime balancing and automatic changeover if a fault occurs on one machine
Machine time schedule
Display and access to the operating parameters via a multilingual LCD screen with 4 lines of 24 characters

Remote management

Automatic operation control
Set-point 1/set-point 2 selector
Heating/cooling mode selector
Set-point adjustable via 4-20 mA signal
Compressor load shedding
Water pump 1 and 2 control
Fault reporting

Document Name Description Document Type Language Action
30WI Brochure PDF English Download

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