36 Setting the DIP Switches
CAUTION
Do not remove the front cover unless the power to the
boiler is turned off or disconnected.
Failure to do so may
result in electric shock.
The boiler has 2 sets of DIP switches on the main circuit board
(PCB) and 2 sets of DIP switches on the front panel. DIP switches
are used to control the functionality of the boiler. Set the DIP
switches appropriately, based on the installation environment.
6.1 PCB DIP Switches
Dip Switch (Set of 8)
The DIP SW 1 on the circuit board configures operation status,
boiler model/capacity, burner type, and country.
1
2 3 4
5 6 7
8
ON
Switch Function Setting
1 & 2
Operation
Status
Normal Operation
1-OFF, 2-OFF
24/28/34
LSWE
DHW MAX
1-ON, 2-OFF
40LSWE
DHW 2-stage
MAX
24/28/34
LSWE
MIN
1-OFF, 2-ON
40LSWE
1-stage MIN
24/28/34
LSWE
Heating MAX
1-ON, 2-ON
40LSWE
Heating 2-stage
MAX
3 & 4
Capacity
24LSWE
3-OFF, 4-OFF
28LSWE
3-ON, 4-OFF
34LSWE
3-OFF, 4-ON
40LSWE
3-ON, 4-ON
5
Burner
Type
Bekaert
5-ON
Alantum
5-OFF
6 & 7
Country
Europe
6-OFF, 7-OFF
6.2 Front Panel DIP Switches
Dip Switch (Set of 8)
The DIP SW on the front panel configures the fuel selection,
source of the heat demand, and temperature control standard.
1 2
3
4 5 6
7 8
O
N
Switch Function
Setting
1 & 2
Fuel
Selection
G20 (LNG)
1-OFF, 2-OFF
G25, G27(LNG)
1-OFF, 2-ON
G30 (LPG)
1-ON, 2-OFF
G31 (LPG)
1-ON, 2-ON
4 & 5
Heat
Demand
Panel
2-OFF, 3-OFF
OpenTherm
Remote Control
2-ON, 3-OFF
Thermostat
2-OFF, 3-ON
Panel
4-ON, 5-ON
6
Temperature
Control
Standard
Supply Water
1-OFF
Return Water
1-ON
6. Setting the DIP Switches
