Dunkirk DWB Series User Manual download pdf (Page 29)

ECO/COMFORT selection

The unit has a function that ensures a high domestic

hot water delivery speed and maximum comfort for the

user. When the device is activated (COMFORT mode), the

water contained in the boiler remains hot, ensuring faster

availability of domestic hot water.

The device can be deactivated by the user (ECO mode)

by pressing the eco/comfort button (see item 7 on the

control panel display). To activate the COMFORT mode,

press the eco/comfort button (see item 7 on the control

panel display) again.

Outdoor temperature

• When the optional external probe is installed, the boiler

control system operates with “Sliding Temperature”.

In this mode, the temperature of the heating system is

controlled according to the outside weather conditions,

in order to ensure high comfort and energy saving

throughout the year. As the outside temperature

increases the system delivery temperature decreases

according to a speciﬁ c “compensation curve”.

• With Outdoor Temperature adjustment, the temperature

set with the heating buttons (see items 3 and 4 on

the control panel display) becomes the maximum

system delivery temperature. It is advisable to set the

maximum value to allow system adjustment throughout

its useful working range.

• The boiler must be adjusted at the time of installation

by qualiﬁ ed personnel. Adjustments can in any case be

made by the user to improve comfort.

10 - OPERATING INSTRUCTIONS

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Dunkirk DWB Series User Manual Page 29