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SERVOMOTOR AND DIGITAL CONTROLLER LAGO BASIC 1001 CONNECTIONS (KIT CLIMA cod. 38002163)
Fig.2
DIFFERENTIAL VALVE SETTINGS
1) Start the heating system through the HIUs (heating demand) and the pumps into the boiler room;
2) scroll the menu of the heat meter with a light pressure of the button. Display the menu "Instantaneous
flow rate" as shown in picture 1;
3) following the Table 1 set the design secondary circuit flow rate turning the screw of the valve. The flow
rate will be displayed on the heat meter;
4) When the flow rate is set wait some second until the complete stabilization of the value.
Then, even if the head of the primary circuit will increase, the secondary circuit flow rate will keep constant
at the value previously set.
N.B: the correct working of the valve is when the head of the primary is between 40 and 85 KPa.
* Pump set with head 7 m.c.a.
Assembling instrunctions and maintenance
N
N
L1
L1
L1'
L1'
SERVOMOTOR
VOMOTOR
orange
orange
red
red
blue
blue
JUMPER
LAGO
FB *
FLOW
SAFETY
SENSOR
THERMOSTAT
OUTSIDE
SENSOR *
* the electric connections
be done by the installer
H
Tab.1
pos.
(l/h)
1
600
1
2
730
3
850
4
930
1
2
3
4
5
1.010
6
1.150
7
1.210
1
8
1.270
9
1.330
10
1.360
1
11
1.400
12
1.450
1
Fig.1
S
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