3 INTRODUCTION
Ech 200 is a compact device that permits control of air conditioning units of the following types:
• air-air
• air-water
• water-water
• condensing units
single-circuit, with 1 or 2 compressors (steps).
It is possible to control condensation fan speed proportionately for currents of up to 2 A without using external devices.
Main characteristics:
• Temperature control based on inlet or outlet probe, depending on the type of machine and its configuration
• Condensation control
• Input may be configured for an NTC temperature probe or for a 4...20 mA signal (through parameters)
• Automatic change-over
• Boiler or supplementary electrical heater control for heating
• Internal fan control up to 3 steps in the air-air application
• Dynamic set point
• Parameter setting from the keyboard or through a personal computer
• Copy card for uploading and downloading parameter maps
• Remote keyboard (up to 100 m) which may be connected up directly without a serial interface
• 4-20 mA or 0-10 V output (optional internal card)
• User interface with a menu featuring 2 different levels of access through password management
• Interface menu may be fully configured from a PC.
3.1 Models available
The ECH 200 family’s models (base, keyboard and expansion) and a reference tabel containing the base parameters are
illustrated below:
Expansion EXP200 is available for only model Ech 211.
Ech 200 Family
Models available
Base
ECH210 BD
ECH210 BD
Tastiera
EKW200
EW/S200
Espansione
EXP200
ECH 200
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