Page 22 of 24
UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3
6.2.
Heat batteries not fitted with an electric element
The heat battery will be supplied with a Uniq_SBC_B200 control box.
Temperature sensors:
Unroll the 4-core sensor cable and run it through the grommet in the battery casing to the controller. Connect the sensor
cables to the controller as shown in figure 6.4:
•
Yellow cable: Terminal S0
•
Blue cable: Terminal S1
•
Red cable: Terminal S2
•
Green cable: Terminal S3
Control circuit power supply
Run and connect control circuit power supply cable (6A, minimum 0x75mm
2
CSA) from the local 2 pole isolator to the
controller as shown in figure 6.4
•
Brown (Live):
Terminal 1 (Live)
•
Blue (Neutral):
Terminal 2 (Neutral)
•
Green/Yellow (Earth): Terminal 3 (Earth)
Set the controller program to type 3 for this application
Heat source control
The heat source control signal is available at terminals A1 & A2. When the charge state of the battery is below the pre-
set level, the voltage free contacts will be closed and when the charge state of the heat battery is above the pre-set level,
the volt free contacts will be opened.