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LCD Electronic Thermostat
EXT-CF230-D202-AF, EXT-CF230-D402-AF
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-D202AF)
• 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
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,
Fan switch 3A Resistive, 1A Inductive,
Control Signal On/Off Control, 3-wires & spring return 2 wires
Temperature Range Operating: 0 to 45°C
Protection Class
Wiring Connections Terminal wiring 0.5 ... 1.5 mm2
Agency Approval LV Directive CE according to 2006/95/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
Cooling or Heating (2-pipe system)
Storage: 0 to 50°C
II
EMC CE according to 2004/108/EC
250 VAC 50/60 Hz
AC 250V 50/60 Hz
Basic Features
Modes
Fan speed
Defrost Low temperature protection. When the unit in “OFF” status and
Backlight The backlight will light up 7 seconds whenever button is pressed.
Valve
Restart When “RST” button is pressed, the thermostat will restart with last
Memory
On/Off - Cooling / Heating
3 speed ( Low , Medium , High ) / Auto
Auto speed: difference between setpoint and ambient temperature,
1 K - Low ; 2 K - Medium ; 3 K - High
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.
By pressing “
When the valve is opening, the icon “
saved setting.
All last saved parameters will be kept after power failure or power off.
”, backlight light up 30 seconds.
” displays.
Dimension and Terminals
Precios de Lista
EXT-CF230-D202-AF $90.00
EXT-CF230-D402-AF $100.00
O56002 - 04/12 - Subject to change. © Belimo Aircontrols (USA), Inc.
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
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
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LCD Electronic Thermostat
EXT-CF230-D202-AF, EXT-CF230-D402-AF
Maintenance mode
When the unit in “OFF” status, press “” for 5 seconds to enter maintenance mode.
Press “” to change over from “disp > 0set > defr > usp > lsp”. If button is not
pressed over 10 seconds, it will return to normal mode automatically.
disp
0set
defr
usp
lsp
do not open
Display selection - ambient temperature (rt) / setpoint (sp)
In maintenance mode “disp”, press “,” to select “rt” or “sp”.
“rt” : display ambient temperature (factory setting)
“sp” : display setpoint
Temperature offset adjustment
In maintenance mode “0set”, press “,” to adjust ambient
temperature reading.
-3, -2, -1, 0, 1, 2, 3. (factory setting “0”)
Defrost - low temperature protection
In maintenance mode “defr”, press “,” to adjust.
“0n” = ON
“0ff” = OFF (factory setting)
Upper set point adjustment (factory setting 35°C)
In maintenance mode “usp”, press “,” to adjust max. temperature
set point.
Lower set point adjustment (factory setting 35°C)
In maintenance mode “lsp”, press “,” to adjust min. temperature
set point.
To be opened by accredited servicing agents only Electronic control - Type 2.B
action (micro-disconnection operation). Separate collection for electrical and
electronic equipment.
Wiring Diagrams
230 VAC
5 A fuse
EXT-CF230-D202-AF
On-Off Control - 2 Wires
230 VAC
5 A fuse
EXT-CF230-D202-AF
comm
On-Off Control - 3 Wires
230 VAC
5 A fuse
On-Off Control - 2 Wires
EXT-CF230-D202-AF
O56002 - 04/12 - Subject to change. © Belimo Aircontrols (USA), Inc.
Auto Change-Over
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
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Installation Manual
Mounting Method
LCD Electronic Thermostat
EXT-CF230-D202-AF, EXT-CF230-D402-AF
open the clip with screw driver
1
wiring
3
unplug the connector
2
mount it with screws
4
O56002 - 04/12 - Subject to change. © Belimo Aircontrols (USA), Inc.
plug in the connector
5
close it with clip
6
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
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Belimo worldwide: www.belimo.com
BELIMO Americas
USA Locations, 43 Old Ridgebury Road, Danbury, CT 06810
Tel. 800-543-9038, Fax 800-228-8283, [email protected]
1049 Fortunato Loop, Sparks, NV 89436
Tel. 800-987-9042, Fax 800-987-8875, [email protected]
Canada Locations, 5845 Kennedy Road, Mississauga, Ontario L4Z 2G3
Tel. 866-805-7089, Fax 905-712-3124, [email protected]
Latin America and the Caribbean Customer Service
Tel. 203-791-8396, Fax 203-791-9139, [email protected]
Belimo Brasil Comércio de Automação Ltda.
Tel: 55 11 3643-5656, Fax: 55 11 3643 5657, [email protected].
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