NUMBER OF COMPRESSORS, NUMBER OF CIRCUITS

? Standard, no optional accessories
? Free-cooling accessories
? Winter operation accessories
? Temperature-controlled 3-way valve
? Pressure-controlled 2-way valve (self-operating)
? Special accessory

? Electronic expansion valve

? R410A, standard refrigerant
? R134A or R404A or R407C

? No diaphragm expansion tanks, no safety valves
? Diaphragm expansion, safety valve
? Diaphragm expansion, safety valve, diaphragm expansion, safety valve (Only in X-versions)
? Special accessory

? See dimensional drawings

? Compressor sound-insulation hood/hoods
? Frame sound insulation 
? Compressor sound-insulation hood/hoods and frame insulation 
? No sound insulation

? Basic accessories
? Compensation capacitors 
? Soft-starters
? Compensation capacitors + soft-starters

? No fan control 
? Ecotronic
? Steptronic
? External (VAK) stepped control

? Operating permission, alarm, indication (always in basic device), 0-10v external control (only in Pco-controllers; ECO, TCV, and sizes 32?102 )
? Series-traffic card for Planvisor-program 
? LON-bus

? No insulation 
? Compressor condensate insulation

? No insulation 
? Condenser thermal insulation

? Basic evaporator 
? Oversized evaporator 
? Undersized evaporator

? Basic condenser 
? Oversized condenser 
? Undersized condenser

? Electrical accessories for external pumps 
? Water and solution-circuit pressure-metering/alarm
? Ammeters for compressors 
? K-0-A-switches fans (only in stepped control)