Plum ecomaxx 800 R2, Assembly And Service Manual

Page: 34 / 48

34
2-wire connection:
For two-wire connection, power supply of 5V
DC and rated current of min. 200mA is
required. Disconnect GND and +5V wires
from the module (2) and re-connect them to
external power supply unit arranged near
ecoSTER200 (1). PS unit is not included in
the regulator supply. Max. length of wires to
ecoSTER200 control panel depends on cross-
section area of a wire, and e.g. for a wire of
cross-section of 0.25 mm
2
it should not
exceed 30m. The cross-section area of the
wire should not be less than 0.25 mm
2
.
Fig. 34 Wiring diagram (2 wires) 1 – ecoSTER200 room
control panel, 2 – ecoMAXX800 regulator, 3 –
connecting wire, 4 sensor of room thermostat 2 - type
CT7, 5 – sensor of room thermostat 3 - type CT7, 6 – 5V
PS unit.