Belimo

Belimo EXT-CF230-D202-AF Electronic Thermostat Quick Start Manual

Belimo EXT-CF230-D202-AF Electronic Thermostat

Overview of Functions

Slim type EXT-CF230-D202-AF and EXT-CF230-D402-AF thermostat provides the foundation for modern fancoil applications.

Features

  • Large LCD with blue backlight
  • Stylish appearance with hidden buttons
  • For 2 or 3 wires on-off controlled devices in 2-pipe FCU system (EXT-CF230-D202- AF)
  • For 2 wires on-off controlled devices in 4-pipe FCU system (EXT-CF230-D402-AF)
  • 3 speed / auto-speed for fan controls
  • Defrost – low temperature protection
  • Temperature off-set adjustment
  • Temperature / setpoint display selection
  • Memory rentention
  • Set point range adjustment
  • °C display

Technical Data

Technical Data
Nominal Voltage 230 VAC
Nominal Voltage Range 85-260 VAC
Temperature Display Range 0…55°C [ <0°C : LO, >55°C : HI ]
Sensing Element & Control NTC Thermistor, 100k ohm @ 25°C
System Switch On/Off, Cooling/Heating
Fan Control Switch High-Med-Low or Auto-speed
LCD Display 0.5 K increase/decrease
Setpoint Range 5…35°C
Body Material Fire-retardant ABS
Electrical Ratings Relay output contact 3A Resistive, 1A Inductive,

250 VAC 50/60 Hz

Fan switch             3A Resistive, 1A Inductive,

AC 250V 50/60 Hz

Control Signal On/Off Control, 3-wires & spring return 2 wires

Cooling or Heating (2-pipe system)

Temperature Range Operating: 0 to 45°C

Storage: 0 to 50°C

Protection Class II
Wiring Connections Terminal wiring 0.5. 1.5 mm2
Agency Approval LV Directive            CE according to 2006/95/EC
EMC                      CE according to 2004/108/EC
Ambient Humidity max. 95% r.h., non-condensing
Weight 140 g
Dimensions (L x H x D) 86 x 86 x 14 (mm)
Degree of Protection IP 30

Basic Features

Basic Features
Modes On/Off – Cooling / Heating
Fan speed 3 speed ( Low , Medium , High ) / Auto
Auto speed: difference between setpoint and ambient temperature,

1 K – Low ; 2 K – Medium ; 3 K – High

Defrost Low temperature protection. When the unit in “OFF” status and ambient temperature lower than 5°C, it will switch on automatically in heat mode with “” showing. When the temperature reached

7°C, it will stop automatically.

Backlight The backlight will light up 7 seconds whenever button is pressed.

By pressing “”, backlight light up 30 seconds.

Valve When the valve is opening, the icon “” displays.
Restart When “RST” button is pressed, the thermostat will restart with last

saved setting.

Memory All last saved parameters will be kept after power failure or power off.

Dimension and Terminals

Maintenance mode

Wiring Diagrams

Installation Manual

Mounting Method

BELIMO Americas

REFERENCE:

DOWNLOAD MANUALS:

Belimo EXT-CF230-D202-AF Electronic Thermostat Quick Start Manual

Belimo EXT-CF230-D202-AF Electronic Thermostat Quick Start Manual

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