Centrometal El-Cm eBasic 6kW Manualbook For Installation, Handling And Maintenance page 18

Electric connecting
5.5 Electric schemes of connection
All quoted cross-sections of cables are minimal.
Cross-sections that should be placed depend on
length of the line and placing mode.
 Cable cross-sections should be dimensioned according to
 local regulations
Legend
3P A
Three-pole automatic fuse
DA Remote power trigger
ST
Safety thermostat (Klixon)
RTH Room thermostat
Connecting clamps
RS 1, RS 2, RS 3
of room thermostat
WARNING: voltage 5V DC
P1 Main switcher ON/OFF
KON 2
External pump connection connector
RK1, RK2, RK3 Relay contact (for 9,12 and 18kW)
K1 ÷ K6 Contactor (for 24,30 and 36kW)
Heater
-3×1500W for boiler of: 9 kW
G1
-3×2000W for boiler of: 12,18,30 kW
-3×2667W for boiler of: 24, 40 kW
-3×2400W for boiler of: 36 kW
Heater
-3×1500W for boiler of: 9 kW
-3×2000W for boiler of:
G2
6,12,18,30kW
-3×2667W for boiler of: 24, 40 kW
-3×2400W for boiler of: 36 kW
Heater
-3×2000W for boiler of: 18,30 kW
G3
-3×2667W for boiler of: 24, 40 kW
-3×2400W for boiler of: 36 kW
Heater
-3×2000W for boiler of: 30 kW
G4
-3×2400W for boiler of: 36 kW
-3×2667W for boiler of: 40 kW
Heater
-3×2000W for boiler of: 30 kW
G5
-3×2400W for boiler of: 36 kW
-3×2667W for boiler of: 40 kW
Legend
LCTR 2
OS 1
OS 2
OS 3
OS 4
KON1
K 102
TS
K 105
K 106
RE 1
RE 2
RE 3
Table 4: Legend of connecting schemes
Microprocessor thermoregulator
Electric fuse 230V T500mA
Electric fuse 230V T2A
Electric fuse 24V T500mA
Electric fuse 8V T500mA
Supply connector (230V AC)
Temperature sensor connection
Temperature sensor
Interface connection (LCI2)
Room thermostat connection (RTH)
-Relay 1/3 heater (for 6 kW boiler)
-Relay switches RK1 (9, 12 and 18kW)
-Relay for switching K1 (24kW)
-Relay for switching on K1 and K2 (30,
36 and 40kW)
-Relay 1/3 heater (for 6 kW boiler)
-RK2 switching relays (9, 12 and 18kW)
-Relay for switching K2 (24kW)
-Relay for switching on K3 and K4 (30,
36 and 40kW)
- Relay 1/3 heater (for 6 kW boiler)
- Relay for switching RK3 (9, 12 and
18kW)
- Relay for switching K3 (24kW)
- Relay for switching K5 and K6 (30, 36
and 40kW)