Figure
3. Arceus 18-24 kW Wiring Diagram
22
14
A2
21
13
A1
6/
T3
4/
T2
2/
T1
5/L3
3/L2
1/L1
-Q
Circulation
Pump
3 Way Valve
Overheat Thermostat
CH
Flow
NTC
CH
Return
NTC
Boiler Tank
NTC
DHW Solar STB
Water Pressure Sensor
DHW
Outlet
Sensor
Modbus Communication
Cascade Board
Wi-Fi
Board Connection
Mo
d
ulating Room Thermostat
Programmable Timer
Outdoor
Temperature
NTC
P
u
mp
Encod
er
P
u
mp
PWM
P
u
mp
GND
Neutral
Terminal Block
Circuit Breaker
Contactor
Electric Heaters
Relay Boards
Neutral Bus Bar
10