Part 10 - Lighting the appliance / First start-up
Warning
The initial lighting of the appliance must be performed by a licensed Gas
Technician. Failure to follow these instructions may result in property damage, serious injury or death.
As soon as the appliance has been fully installed (with regard to hydraulics, de-air of installation, gas, flue gas,
air intake, wiring etc.) according to the preliminary installation instructions, it's allowed to put the power plug
into a grounded wall socket. The grounded line cord and grounded wall socket must be reachable for service
purposes at any time.
Warning
Ensure the appliance is wired in accordance with this manual (section 9).
Ensure the system is completely filled with water, and that ALL the air is purged out. The
automatic air vent cycle takes approximately 6 minutes (see “Fill and refill” in this section).
Ensure the gas shut-off valve is turned on (only after ALL air is purged out), and that the gas
system has been fully tested for leaks.
Fill and refill of the CH section
The appliance continuously checks the CH-pressure. In case the pressure is too low (below 1.0 bar / 14.5
psi) the refill notification on the front side of the boiler lights up in orange. The display shows the system
pressure. The EcoKing boiler is provided with a special filling system. By opening the filling valve the CH-
system will be filled.
Reset button
Filling valve
Figure 10.1 Filling valve location
By opening the filling valve (turn) the system pressure will increase. This will be shown on the display. As soon
as the system pressure has reached the correct value (1.5 bar (22 psi)), 'reset' will light up in the display. Close
the filling valve when the water pressure is 1.5 bar (22 psi). By subsequently pushing the reset button the
system is ready for the next step in the first start-up process.
Notice
The LED ‘REFILL' lights up when the water pressure is too low (below 1.0 bar (14.5 Psi)). If the pressure
is below 0.7 bar (10 Psi), the unit stops functioning.
Caution
The display shows the water pressure. Make sure that the water pressure is always
between 1 and 1.5 bar (14.5 and 22 Psi). In case the system needs filling up more than 3 times a year, contact
a registered installer or a registered service centre.
Caution
Use the filling valve integrated in the boiler to (re)fill the appliance. Automatic refill is
not recommended.
Warning
The boiler must be manually bled of air using the manual air bleed on top of the heat
exchanger. Before commissioning connect a silicone tube to the manual air bleed, lead it into a bucket and turn
it until water pours out. Than flush the system with opened air bleed for about 2 minutes. Make sure to perform
this action before boiler is turned on in order to prevent hot water scalding. Allow (do not terminate) the system
to run its automatic vent cycle after filling and before putting the system into operation. The automatic air vent
cycle takes approximately 6 minutes and can be activated (in case of re-fill) by unplugging and plugging the
supply cable (wait at least 30 seconds before plugging the supply cable).
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