Eberspächer D5S Hydronic 2 12v Operating Manual

Operation Guide to

D5S Hydronic 2 12v

Motorhome Diesel

Hot Water & Heating

D5S Hydronic 2 Heating System

EasyStart Select D5S Heater control is used to operate
the water heater ONLY in this set up, an optional 7 Day
timer upgrade is also available. This controller element
works by setting the time the operator desires for the
heater to run, not room temperature, the internal
temperature sensor is inside the heater and will get the
system up to 80/85 C then cut out, then back in once temp
as dropped. You can also read and clear the fault code of
your system (workshop manual is needed to access
workshop menu. (Please see controller wiring instructions
on how to wire this unit up)

Heatmiser Blower box controller is used to regulate the
ambient temperature in the living area. This is adjusted to a
comfortable room temperature. Pressing the up and down
arrow will request a higher temperature. When this point is
reached then the blower boxes will switch off. The blowers
will then turn back on when the interior temperature drops
below the display setting. (see wiring info in this pack on
how to wire this system controller up to your bower boxes.

THE THERMOSTATIC MIXER VALVE – This is used to determine
the hot water temperature supplied to the taps (adjustable
from 30 to 48°C, anti-clockwise to increase the temperature,
clock-wise to decrease the temperature). Typically this is

around 42-45c. Adjust as required. Anti clockwise = hotter
(+)