Components For Correct Installations With Submerged Electric Pumps; Electrical Installation - Lowara ResiBoost MMW Manual De Instalación, Funcionamiento Y Mantenimiento

Number Component
9 Pressure trans-
ducer
10 Non-return
valve
11 Gate valve
12 Diaphragm
tank, minimum
8 liters
13 Converter
14 Converter pow-
er panel
15 Power panel
with high sensi-
tivity differential
switch (30 mA).
See Electrical
requirements.
16 Storage tank
17 Float switch
18 Filter for motor
cable over 30 m
in length.
4.3.3 Components for correct installations
with submerged electric pumps
See Figure 26 , Figure 27
29 .
Number Component
1 Electric pump
2 Cable clamp
3 Motor power ca-
ble
4 Level probes to
prevent dry run-
ning (or other
level control
sensor)
5 Mounting brack-
et
6 Non-return
valve
7 Pressure gauge
8 Pressure trans-
ducer
9 Gate valve
10 Diaphragm
tank, minimum
8 liters
11 QCL5 control
board for level
probes
Included in the
kit
√
√
√
, Figure 28 , and Figure
Included in the
kit
√
√
√
√
Number Component
12 Filter for motor
cable over 30 m
in length.
13 Converter
14 Converter pow-
er panel
15 Delivery pipe
16 Electric pump
bleed / priming
cap
17 PTC or PT1000
(available only
with some mod-
els of the sub-
merged motor)
18 Power panel
with high sensi-
tivity differential
switch (30 mA).
See Electrical
requirements.
19 Quick coupling
(provided for
fastening the
converter on the
pump)
The following notes and recommendations refer to
Figure 26 , Figure 27 , Figure 28
A. Distance between the clamps that secure the
drop cable to the delivery pipe.
B. Distance from the bottom of the well to the elec-
tric pump.
Recommendations:
• Non-return valve at 10 m distance from the deliv-
ery flange, plus an additional non-return valve
every 30-50 m of piping.
• Secure the drop cable to the pipe every 2 to 3
metres of piping.
• Make sure the electric pump is installed at a safe
distance from the bottom of the well.
• Make sure there is a minimum distance of 3 mm
between the diameter of the pump and the inter-
nal diameter of the well.
• During operation, make sure that the water circu-
lation speed around the motor is at least 8 cm/
sec.
• Make sure that the minimum dynamic level of the
water in the well is at least 1 m above the pump's
delivery flange.

4.4 Electrical installation

Precautions
WARNING:
• Make sure that all connections are
performed by qualified installation
en - Original instructions
Included in the
kit
√
√
, and Figure 29 .
29