Compressor
Compressor(s) are mounted on the base via the use of vibration isolators.
Each compressor is designed for use with R410A refrigerant.
X X2 WX WX2
Thermal Protection
● ● ● ●
Single Compressor
● – ● –
Tandem Compressors
– ● – ●
●
Standard Feature ○ Optional Feature – Not Available
Tandem Compressors
Comprising of 2 scroll type compressors linked together by refrigerant pipework to
one common circuit.
Tandem compressors provide variable control of the system performance by
activating individual compressors as required. Multiple steps of unloading allow
external load demands to be met with greater precision, eliminating unnecessary
temperature and humidity variations. Consequently, system efciency and reliability
are much improved by extending major component working hours.
X and WX Models
Utilise a single hermetic scroll compressor tted as standard with:
• Thermal motor protection internal or external (dependent upon model size)
• High temperature discharge protection
X2 and WX2 Models
Utilise a tandem hermetic scroll compressor set, to provide 2 stages of control, tted
as standard with:
• Thermal motor protection internal or external (dependent upon model size)
• High temperature discharge protection
• Sight glass on common equalisation line.
Refrigeration
Each refrigeration circuit features as standard:
X Type
• Externally Equalised Thermostatic
Expansion Valve (TEV)
• Sight Glass
• Head Pressure Control
• Filter Drier
• Low Pressure Switch
• High pressure Switch
• Liquid Line Pressure Transducer
• Holding Charge of Inert Gas
WX Type
• Externally equalised thermostatic expansion valve (TEV)
• Sight Glass
• Head Pressure Control
• Filter Drier
• Low Pressure Switch
• High Pressure Switch
• Liquid Line Pressure Transducer
• Full operating charge of R410A
• Bleed valve
• Binder points
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