Belimo EXT-CF230-D202-AF User Manual

LCD Electronic Thermostat
EXT-CF230-D202-AF, EXT-CF230-D402-AF
RSA - A mais completa em soluções para HVAC e Automação
Avenida Ragueb Chohfi, 960 - Torre 3, Sala 73 - Jardim Três Marias, São Paulo-SP, Cep: 08375-000
Telefone Sac: 55 11 2031 6658 - Email: contato@rsistemasdeautomacao.com.br
Site: http://www.rsistemas-automacao.com.br
Precios de Lista
EXT-CF230-D202-AF
$90.00
EXT-CF230-D402-AF
$100.00
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
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
230 VAC Neutral N (comm)
Output for fan - High speed
Output for fan - Medium speed
Output for fan - Low speed
Output for actuator - Cool
Output for actuator - Heat
230 VAC Live L
O56002 - 04/12 - Subject to change. © Belimo Aircontrols (USA), Inc.
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

Belimo EXT-CF230-D202-AF Specifications

General

Brand	Belimo
Model	EXT-CF230-D202-AF
Category	Thermostat
Language	English

Summary

Overview and Features

Overview of Functions

Provides foundation for modern fancoil applications with slim type EXT-CF230-D202-AF and EXT-CF230-D402-AF thermostats.

Key Features

Highlights include large LCD, hidden buttons, 2/3 wire compatibility, fan controls, defrost, and setpoint adjustments.

Basic Features

Covers modes, fan speed, defrost, low temp protection, backlight, valve indication, restart, and memory retention.

Technical Specifications

Technical Data Details

Details voltage range, temperature sensing, system switch, LCD display, setpoint range, electrical ratings, and protection class.

Dimensions and Terminals

Provides physical dimensions, weight, ambient humidity, and terminal connections for the thermostat.

Operational Modes and Wiring

Maintenance Mode Operations

Explains how to enter and navigate maintenance mode for display, offset, defrost, upper, and lower setpoint adjustments.

Wiring Diagrams

Illustrates wiring configurations for 2-wire and 3-wire on-off controls and auto change-over systems.

Installation Guide

Mounting Method Steps

Step-by-step instructions for installing the thermostat, including unplugging connectors, wiring, and mounting.