Possible Problems - STERWINS EDWC-3 Mode D'emploi

HYDRAULIC CONNECTION(Fig.1)
Before proceeding with hydraulic connection it is essential to prime the pump correctly. The
EDWC-3, EDWC FR-3 should be installed always in a vertical position, thus connecting the
inlet opening(male1") directly to the pump outlet; and the lateral outlet (male1") to the
network.
Avoid outlet non return valves.
The following accessories are recommended:
Flexible with a disassembling link or network connection, protecting the set from possible
flexion charges and vibrations. Ball valve which permits the isolation of the pump from the
installation.
ELECTRICAL CONNECTION (Fig.2)
Make sure that the mains voltage matches the nameplate date. Connect the pump to the
unit (integrated socket) and connect this unit to the mains as shown in Fig.2.
ATTENTION
Connections to the extension socket must be done with IP 44 plug.
WARNING
Bad connections may spoil the electronic circuit.
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STARTING
1. Be sure that the pump is correctly primed. Then gently open one tap.
2. Connect the EDWC-3, EDWC FR-3 to the electric supply. The tension LED will lit (POWER).
3. The pump starts working automatically and within a period of 20-25 seconds will reach
approximately the maximum pressure provided by the pump. During its
working the corresponding LED (ON) will be on.
Close the tap indicated on point1. After 4-5 seconds the pump will stop. The tension LED
4.
(POWER) will be the only one to remain on. Any problem after this procedure will be due
to a defective pump priming.

POSSIBLE PROBLEMS

1. Pump does not stop:
a) Water leak higher than 1.5l/min. at some point:
Check the installation, taps, WC, etc
b) Manual start switch (RESET) is blocked:
Act on it several times, in case the problem persists consult your dealer.
c) Breakdown on the electronic card proceed to its subsititution.
d) Incorrect electric connection: Verify the connections according to Fig.2.
2. Pump does not start.
a) Not enough water supply, the security system has been activated and the LED (FAILURE) is
on:
Check the water supply and restart the pump through the reset switch (RESET).
b) Pump is blocked:
LED (FALURE) is on, the security system is activated.
When we act on the manual start switch (RESET) the LED (ON) is activated but the pump
does not work:
Consult your dealer.
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