
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
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 bluebacklight
•
Stylish appearance with hiddenbuttons
•
For2or3wireson-offcontrolleddevicesin2-pipeFCUsystem(EXT-CF230-D202-
AF)
•
For2wireson-offcontrolleddevicesin4-pipeFCUsystem(EXT-CF230-D402-AF)
•
3 speed / auto-speed for fan controls
•
Defrost - low temperatureprotection
•
Temperature off-setadjustment
•
Temperature / setpoint displayselection
•
Memory rentention
•
Set point rangeadjustment
•
°C display
Basic Features
Auto speed: difference between setpoint and ambient temperature,
1K-Low ;2K-Medium ;3K-High
Low temperature protection. When the unit in “OFF” status and
ambienttemperaturelowerthan5°C,itwillswitchonautomatically
inheatmode with “ ” showing.Whenthetemperature reached
7°C, it will stop automatically.
Thebacklightwilllightup7secondswheneverbuttonispressed.
Bypressing“
”, backlightlight up30seconds.
Whenthevalveisopening,theicon“
”displays.
When“RST” buttonispressed,the thermostatwillrestartwithlast
saved setting.
All last saved parameters will bekept after power failure or poweroff.
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-Subjecttochange.©BelimoAircontrols(USA),Inc.
Temperature Display Range
0…55°C [ <0°C : LO, >55°C : HI ]
Sensing Element & Control
NTC Thermistor, 100k ohm @ 25°C
High-Med-Low or Auto-speed
Relay output contact 3A Resistive, 1A Inductive,
250 VAC 50/60 Hz
Fanswitch 3AResistive,1AInductive,
AC 250V 50/60 Hz
On/Off Control, 3-wires & spring return 2 wires
Cooling or Heating (2-pipe system)
Operating: 0 to 45°C
Storage: 0 to 50°C
Terminalwiring0.5....
1.5 mm2
LVDirective
CEaccordingto2006/95/EC
EMC CEaccordingto2004/108/EC
max. 95% r.h., non-condensing