Belimo CFU-D Series User manual

Installation manual
1
V1.1 02.2011 Subject to modification.
1. open the left clip
with screw driver
3. Open the front cover
4. Mounting the
housing
LCD Electronic Thermostat CFU-D series
Mounting Method
Wiring Diagram
2. open the right clip
with screw driver
5. Wiring 6. Close the front cover
1
2
2-wire
3-wire
CFU-D422CFU-D221 / D222 CFU-D221-SS
L
VO VC
NI
S1 S2 S3
2 3
1
L
N
Occupancy
contact
Ext.
Sensor
6A fuse
Actuator
FAN
L
VO VC
N
S1 S2 S3
2 3
1
L
N
Occupancy
contact
Ext.
Sensor
6A fuse
Actuator
FAN
Lo Mid Hi
III III
L
2
1
VO VC
N
S1 S2 S3
L
N
Occupancy
contact
Ext.
Sensor
6A fuse
Actuator
FAN
Lo Mid Hi
III III
L
L
2
1
VO VC
NI
N
S1 S2 S3
Occupancy
contact
Ext.
Sensor
6A fuse
Actuator
FAN
L
2
1
N
S1 S2 S3
L
N
Occupancy
contact
Ext.
Sensor
6A fuse
Actuator for
cooling
FAN
Lo Mid Hi
III III
L
CO
N
S1 S2 S3
2 3
1
L
N
Occupancy
contact
Ext.
Sensor
6A fuse
Actuator for
cooling
FAN
Lo Mid Hi
III III
2
1
Actuator for
heating
2 3
1
Actuator for
heating
CC HO HC
CO CC HO HC
2-wire actuator connection
CFU-D422CFU-D221 / D222 CFU-D221-SS
L
VO VC
NI
S1 S2 S3
2 3
1
L
N
Occupancy
contact
Ext.
Sensor
6A fuse
Actuator
FAN
L
VO VC
N
S1 S2 S3
2 3
1
L
N
Occupancy
contact
Ext.
Sensor
6A fuse
Actuator
FAN
Lo Mid Hi
III III
L
CO
N
S1 S2 S3
2 3
1
L
N
Occupancy
contact
Ext.
Sensor
6A fuse
Actuator for
cooling
FAN
Lo Mid Hi
III III
2 3
1
Actuator for
heating
CC HO HC
3-wire actuator connection

V1.1 02.2011 Subject to modification.
2
Basic Operation
Modes
Fan speed
On/Off , Cooling / Heating
Backlight The backlight will light up 120 seconds when any button pressed.
Valve The icon “ ” displays when valve open.
3 speed ( Low , Middle , High ) / Auto ( > > )
Memory All last saved parameters will be kept after power failure or switch off.
Occupancy contact Contacts close > economy mode ; Contact open > normal mode
Fan output is synchronised with valve output (economy mode).
Display selection In parameter setting, select display ambient temperature or set point.
Temperature offset In parameter setting, adjust measured temperature to +3, +2, +1, 0, -1, -2, -3.
Low temperature protection
(Defrost)
When unit is off and measured temperature < 5°C , unit start in heating mode
automatically until tempaerature reached 7°C.
External sensor In parameter setting, select external sensor or built-in sensor.
Press button “ ” to switch on or off. To switch off, press and hold the button 2 seconds.
Press button “ M ” to select cooling or heating mode.
*CFU-D422, auto change mode for cooling and heating.
Auto speed: difference between set point and ambient temperature;
1 K - Low ; 2 K - Middle ; 3 K - High .
Fan will keep running when power on (except economy mode).
LCD Segment & Dimensions [mm]
Heating
Cooling
Valve output
Economy
Defrost
Key lock
Set point
Ambient temp.
Auto speed
Error
P-setting mode
Low
Mid High
Parameter Setting
Key lock To lock or unlock the buttons, press & simultaneously and hold 5 seconds.
When key lock is activated, buttons will no action when press it.
When the unit in “ OFF ” status, press and hold for 5 seconds to enter “ p-setting mode ”. Press to change over from
dISP > OSEt > dEfr > USP >LSP > SEn*> COOL* > HEAt*. Use , button to change setting. If button is not pressed over
10 seconds, the changed setting will be saved and exit automatically.
dISP Display selection : ambient temperature “rt” / set point “SP” [ factory setting rt ]
OSEt Temperature offset : -3,-2,-1, 0, 1, 2, 3[ factory setting 0]
dEfr Defrost - low temperature protection : On / OFF [ factory setting OFF ]
USP Upper set point limit : 10 ... 35 °C[ factory setting 35°C]
LSP Lower set point limit : 5... 30 °C[ factory setting 5°C]
SEn Sensor selection : external “Et”/ internal “Int” [ factory setting Int ]
COOL Economy set point range for cooling : 25 ... 30 °C[ factory setting 28°C]
HEAt* Economy set point range for heating : 15 ... 20 °C[ factory setting 15°C]
*available on corresponding models
CFU-D221-SS CFU-D221/CFU-D422
On / Off
Down
Up
Mode
M
Fan speed
CFU-D222
Error code E1 : Internal sensor short circuit. E2 : Internal sensor open circuit.
E3 : External sensor short circuit. E4 : External sensor open circuit.
M
84
110
28
60
83.5
LCD Electronic Thermostat CFU-D series