Figure 17
In your combi only E.C.A. Room thermostats approved by authorized services
should be used. Otherwise, it may cause your device to malfunction. In such cases,
no liability is accepted..
The connections of room thermostat, outdoor sensor and timer must be performed
certainly by qualified person. For Room Thermostat activation, special parameter
adjustment must be done by qualified person.
10- COMMISSIONING, USE AND TURNING OFF THE BOILER
10.1- Commissioning, Filling Water into Boiler and Heater Installation
First of all, the electrical connection of the boiler is done. The electrical connection of the device must be
connected to a grounded power supply line that can supply enough voltage (230 VAC, 50 Hz) for the
device.
- All radiator valves must be opened.
- CH flow and CH return of boiler must be opened. Check them.
- After all these processes, filling valve is slowly opened and filling procedure is initiated.
The filling process continues until the water pressure of 1.5-2 bar is seen on the LCD display and then
the filling valve is closed.
- When the water pressure increases to 0.8 bar, the LCD will show "AP" and the boiler will switch to
automatic air vent mode. In this case you should definitely wait for 160 seconds without pressing
"RESET".
- Check water pressure on pressure indicator frequently and ensure that the pressure is between 1.5
and 2 bar when system is cold. If the pressure drops frequently, it means that there is a water leak in the
system. In such case, it is necessary to call a plumber.
ATTENTION : Always close the water filling valve, the installation water may leak and
damage the environment.
- To discharge air out of CH installation, purgers of the radiator is loosened and air is discharged until
water comes out of radiators. This procedure is done for all radiators.
- Pressure is checked again on LCD screen. The filling valve is opened and again pressure is raised to
1.5 – 2 bar level.
- Radiator purgers are checked again to see if there is any air left inside of heating installation. For full
efficient heating, all air must be discharged.
- Please repeat AP mode after electricity off and on.
- Finally, check for any leaks in the radiator and piping.
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