ENGLISH
14
Operation
Filling the system
Regulation of the
electrical heater
Diaphragm pressure
expansion tank (6l)
Steplessly settable,
highly efficient
circulating pump with
spherical motor
Ground fault circuit
interrupter
Heat exchanger
Connection
1" male
thread
Connection
1" male
thread
Electrical heater EPR2
S.O.S. mobile heater EPE2
Supply heater
Rp 1''
Safety valve
3 bar
Filling tap
Return heater
Rp 1”
Drain tap
Regulation of the
electrical heater
Diaphragm pressure
expansion tank (6l)
Steplessly settable,
highly efficient
circulating pump
with spherical
motor
Ground fault circuit
interrupter
Heat exchanger
EPE2
1. Ensure that all stopcocks are
closed.
2. Connect the filling hose to the
KFE of the return flow fittings.
3. Connect a hose to the KFE of the
intake flow fittings.
4. Open the stopcocks and fill the
unit via the return flow. you can
vent the unit using the hose
connected to the intake.
5. Check the unit’s pressure
manometer during the filling
process.
EPR2
1. Please fill and vent the unit via
the on-site system.
2. Check the pressure manometer
during the filling process.
15
Electrical connection
EPE2
The unit is delivered ready for connection with a connec-
tion cable (2m).
EPR2
Please connect the unit as shown on the left.
Setting the control mode
Control modes
white: steplessly settable fixed value control, specially
designed for storage charging, single tube heaters,
systems with hydraulic shunts;
blue: automatic proportional pressure control Δp v,
specially designed for radiator heating systems
Flash codes of the LEDs provide information about the
malfunctions and the activated,
Automatic rapid venting
holding the rotary switch for 5 seconds in the venting
position starts an automatic venting process in all set
control modes that effectively vents the air from the
inside of the pumps. After the end of the automatic
venting process, the pump automatically switches to the
pre-set control mode and the performance values.
Set the pump
Summary of Contents for Lowara EPE2 16
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