Belimo EXT-CF24-D202-AF - Page 2

O56002 - 04/12 - Subject to change. © Belimo Aircontrols (USA), Inc.
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
LCD Electronic Thermostat
EXT-CF24-D202-AF, EXT-CF24-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
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
0set
Temperature offset adjustment
In maintenance mode “0set”, press “,” to adjust ambient
temperature reading.
-3, -2, -1, 0, 1, 2, 3. (factory setting “0”)
defr
Defrost - low temperature protection
In maintenance mode “defr”, press “,” to adjust.
“0n” = ON
“0ff” = OFF (factory setting)
usp
Upper set point adjustment (factory setting 35°C)
In maintenance mode “usp”, press “,” to adjust max. temperature
set point.
lsp
Lower set point adjustment (factory setting 35°C)
In maintenance mode “lsp”, press “,” to adjust min. temperature
set point.
do not open
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
24 VAC
EXT-CF24-D202-AF
5A fuse
On-Off Control - 2 wires
EXT-CF24-D202-AF
24 VAC
5A fuse
On-Off Control - 3 wires
EXT-CF24-D402-AF
24 VAC
5A fuse
On-Off Control - 2 wires
Auto Change-Over