Applications
EI.65.D4.02
40
6.3.1 Diagram Symbols
The symbols that are used in the system diagrams in this section are explained in
the table below:
Symbol Description Symbol Description
ECL 2000 Pump (flow direction
right)
Heat exchanger Valve with gear motor
Hot-water storage tank
equipped with two
temperature sensors
Mixing valve with gear
motor
Hot-water storage tank
with internal heat ex-
changer and one tem-
perature sensor
Changeover valve
Radiator Non-return valve (flow
direction right to left)
Tap Throttle valve
Water temperature
sensor
Flow direction
Room temperature
sensor
Outdoor temperature
sensor
!
Note:
In the system diagrams in this section, only those components are shown that are
important for the connection and setup of the ECL 2000. In order to function prop-
erly, the heating plant may need further components (e.g. non-return valves, pres-
sure control valves, expansion tanks, safety equipment) in addition to those shown
in the diagram.
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