Harmony-D Combi Boiler
All interior piping and components are
designed for easy access and operation
of service personnel.
SAFETY THROUGH HIGH
State-of-the-art main electronic
integrated circuit controls all functional
and safety operations.
When the gas is cut and the flame goes
out, flame-out safety shuts off the device
from the gas valve. Burner ignition is
obtained by electronic ignition system.
The control panel on the front face of
the device informs the user about the
operation status of the combi boiler and
Ignition starts when system water
temperature falls below 6˚C and stops
when 15˚C is reached. This control
function prevents the device from
freezing. Additionally, when water
temperature falls below 5˚C in the
domestic hot water circuit in order to
prevent freezing and continues to run
until the temperature reaches 8˚C.
These control functions prevent
AT YOUR SERVICE
When there is no need for heating within
24 hours, electronic control unit runs the
pump for 30 seconds against jamming
that might occur due to non-operation.