3.7.6. DualSun BS/2 control buttons
The DualSun BS/2 solar control is controlled with the 3 keys loca-
ted under the screen:
• Key (2) = Advance in the menu or increase the values (+)
• Key (3) = Go back in the menu or decrease the values (-)
• Key (4) = OK - Choose / Confirm
The indicator light (1) indicates the status of the solar control:
• Green = OK
• Red = Defective probe
• Off = Power or fuse problem
In normal operation, only the display values are displayed.
To switch from one display channel to another, press buttons (2) and (3).
Access settings
:
Advance to the last display channel using key (2) and then press key (2) for 2 seconds.
Navigating the settings
:
When a setting channel is displayed on the screen, the symbol
appears to the right of it.
• To select an adjustment channel, briefly press button (4).
•
flashes.
• Adjust the value by pressing buttons (2) and (3).
• Briefly press button (4),
appears and remains displayed, the set value is saved.
Setting the 3-way valve
:
To activate, deactivate or configure the 3-way valve in automatic mode, set parameter MAN1 to ON, OFF
or Auto respectively.
The following parameters are set by default in the factory, they must be checked during commis-
sioning:
•
DTO = 4K
- Activation temperature difference
•
DTF = 2 K
- Switch-off temperature difference
•
nMN = 100%
- Minimum speed relay R1
•
RMX = 32 ° C
- Maximum pool water temperature
3.8. Installation of the motorized 3-way valve
Technical data of the motorized 3-way valve [20]
Hydraulic connection of the motorized 3-way valve [20]
Installation, use, maintenance manual - DualSun solar heating system for individual
swimming pools
19
