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Installation manual
Mounting Method
1.
Open the left clip and right clip with screw driver.
3.
Connect the wire according to the wiring diagram.
5.
Close the front cover.
Dimensions
EXT-CFU-230-D222/(D422)
90.0 mm
EXT-CFU-230-D2/(D4)
90.0 mm
2.
Open the front cover. Take off the wires.
4.
2
40.0 mm
2
EXT-CFU-230-D.. Touch Keypad Thermostat
Mount the housing to the wall using the two screws in the
packing box.
Note:
Make sure the wires are connected per the wiring diagram.
Avoid water, mud, paints and other substances from getting
into the PCB of thermostat.
90.0 mm
86.8 mm
60 mm
90.0 mm
64.7 mm
1
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Summary of Contents for Belimo EXT-CFU-230-D2
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Page 1: Installation Manual
Make sure the wires are connected per the wiring diagram. Avoid water, mud, paints and other substances from getting into the PCB of thermostat. Close the front cover. Dimensions EXT-CFU-230-D222/(D422) 90.0 mm 90.0 mm 86.8 mm 60 mm EXT-CFU-230-D2/(D4) 40.0 mm 90.0 mm 90.0 mm 64.7 mm... -
Page 2: Wiring Diagram
·working status: cool , heating or ventilation Fan speed ·fan speed: low ,Mid ,High ,or Auto Mode ·FCU valve status ·Room temperature Temperature adjustment ·Temperature setpoint For EXT-CFU-230-D2 On/Off Economy mode · Build-in sensor (display “Room”) · External sensor (“Room” disappear) ·... - Page 3 For cooling mode, thermostat runs at LOW fan speed with default temperature setpoint 26 °C. EXT-CFU-230-D2 For heating mode, thermostat runs at LOW fan speed with the default temperature setpoint 18°C. During Economy mode, all the buttons become ineffective except the On/Off button.