ECOFEL BOILER SERVICE MANUAL
11.1 Electrical Connections:
• Electrical connection cables of Ecofel boilers should be connected to a 3A circuit breaker.
• 220V and 50Hz power supply should be provided for the boiler. In case these conditions are not satisfied, voltage
regulator should be used.
• For the room thermostat, 2x0.75mm
2
cable should be used.
11.2 Terminal Connections:
Among the terminals located in the electrical box, the one with the bridge is room thermostat connection terminal.
The other is 220V room thermostat or timer connection terminal.
- 21 -
Revision Date: 29 February 2008, Rev. No: 0
AC 220V F
A
N
NEUTRAL
GAS V
A
L
VE MODULA
TION
HEA
TER W
A
TER
TEMPERA
TURE SENSOR
ROOM THERMOST
A
T
PRESSURE SWITCH
LIMIT
THERMOST
A
T
EXHAUST
GAS SWITCH
HEA
TER CIRCUIT
PRESSURE
USAGE W
A
TER FLOW
TURBINE
USAGE W
A
TER
TEMPERA
TURE SENSOR
AC 220V F
AN NEUTRAL
F
AN PHASE
AC 220V GAS V
A
L
VE SAFETY
AC 220V PUMP
PHASE
Ionization
Ignition
Ignition Ground
Computer Connection
Green
Red
Green
