Specifications; Description And Use Of Motor-Driven Pump; Preparing For Use - EBARA BEST Series Operating And Maintenance Manual
Submersible motor-driven pumps
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Also See for BEST Series:
- Operating and maintenance manual (43 pages) ,
- Instruction manual (132 pages)
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Submersible motor-driven pumps
Serie BEST, RIGHT, DW
OPERATING AND MAINTENANCE MANUAL PART 2
THE USER SHOULD KEEP THIS DOCUMENT
1. INTRODUCTION
This instruction manual is split into two booklets: PART 1, con-
taining general information regarding our whole product range;
and PART 2, containing information speci c to the motor-driven
pump you have purchased. The two publications are comple-
mentary to each other, so make sure you have both.
Comply with the instructions contained in them to get the most
out of your motor-driven pump and assure its proper operation.
If you need further information, get in touch with your nearest
authorized dealer.
If information in the two parts contradict each other, take PART
2 containing the product's speci c information as valid.
NO PART OF THESE ILLUSTRATIONS AND/OR TEXT MAY BE
REPRODUCED FOR ANY REASON.
The following symbols have been used in the compilation of this
instruction booklet.
WARNING!
Risk of damaging the pump or system
Risk of causing injury or damaging property
Electrical hazard
2. CONTENTS
. 1
N I
R T
O
D
U
T C
O I
N
. 2
C
O
N
E T
N
S T
3. DESCRIPTION AND USE OF MOTOR-DRIVEN PUMP
. 4
S
E P
C
F I
C I
T A
O I
N
S
. 5
R P
P E
R A
N I
G
F
O
R
U
E S
. 6
S
A T
T R
N I
G
. 7
M
A
N I
E T
N
A
N
E C
8. INSTALLATION AND DISASSEMBLY DIAGRAMS
3. DESCRIPTION AND USE OF MOTOR-DRIVEN PUMP
3.1. DESCRIPTION
Description:
SUBMERSIBLE MOTOR-DRIVEN PUMPS
Model:
OPTIMA/BEST
RIGHT
DW - DW VOX
3.2. USE FOR WHICH PUMPS ARE DESIGNED
The motor-driven pumps can be used for:
h
n a
i l d
g n
c
e l
r a
w
t a
r e
O (
T P
age water (RIGHT-DW) with solids in suspension up to the
diameter indicated in chap. 4;
u p
m
i p
g n
w
t a
r e
o
t u
f o
a g
reservoirs, fountains, rainwater drains;
ood irrigation of vegetable patches and gardens and oxygen-
ating water. The DW series can also be used to drain rainwa-
ter drains, cesspits and septic tanks, and trenches etc..
WARNING!
N O
Y L
U
E S
I R
H G
PUMPS FOR CONTINUOUS DUTY IF THEY ARE FULLY
SUBMERSED.
DO NOT USE RIGHT – DW MOTOR-DRIVEN PUMPS
WITH THE MOTOR OUT OF WATER FOR MORE THAN 15
MINUTES.
a p
a p
page 4
a p
a p
a p
a p
page 36
M I
A
B /
S E
) T
s a
w
l l e
s a
r i d
y t
r o
a r
e g
, s
e c
a l l
, s r
a b
e s
m
n e
, s t
- T
A
D N
D
- W
E S
I R
S E
M
O
O T
- R
R D
EN
Use the motor-driven pumps based on their technical speci-
cations.
3.3. USE FOR WHICH PUMPS ARE NOT DESIGNED
The pumps cannot be used to handle:
−
w
a
e t
c r
n o
a t
i n i
eral;
−
w
t a
r e
w
h t i
a
e t
chap. 4.
− seawater;
− ammable liquids and hazardous liquids in general;
−
a c
n n
t o
e b
s u
2-41);
−
u p
m
s p
w
h t i
a
doors.
The motor-driven pumps must never be made to work without
liquid.
4. SPECIFICATIONS
4.1. OPTIMA/BEST PUMP SPECIFICATIONS
Max. temperature
of liquid pumped
Max. size
of solids in
suspension
Max. immersion
depth
Delivery diameter
* = threading according to ISO 228
4.2. RIGHT – DW PUMP SPECIFICATIONS
e g
4
e g
4
Max. temperature
e g
4
of liquid pumped
e g
4
Max. size
e g
5
of solids in
e g
5
suspension
Max. immersion
depth
Delivery diameter
* = threading according to ISO 228
4.3. OPTIMA/BEST - RIGHT - DW MOTOR SPECIFICATIONS
Y T
E P
MAX. STARTS PER
HOUR
e s
- w
RATINGS
OVERLOAD
PROTECTION
a t
k n
, s
4.4. INFORMATION ON AIRBORNE NOISE
Given the type of use, the motor-driven pumps do not exceed an
A-weighted sound pressure emission level of 70 dB (A).
V I
N E
5. PREPARING FOR USE
WARNING!
USE A ROPE FASTENED AROUND THE HANDLE TO LIFT OR
LOWER THE MOTOR-DRIVEN PUMP: NEVER PULL THE POWER
CABLE AND/OR FLOAT CABLE AND SWITCH (FIG. 12).
Operating and
maintenance manual
g n
a
i c
s d
r o
a b
e s
, s
n a
d
c
r o
o r
m
e p
a r
u t
e r
o
e v
t r
e h
e t
m
p
r e
d e
n i
s
w
m i
i m
g n
o p
l o
( s
c a
o c
i d r
c
b a
e l
e l
s s
h t
n a
0 1
m
o l
g n
a c
U.M. OPTIMA BEST ONE BEST ONE VOX BEST 2-5
°C
50
mm
10
m
5
*
G 1"
1
4
U.M.
RIGHT
DW
°C
40
mm
35
m
0 1
*
G 1"
G 2" or DN 50 ange
1
2
OPTIMA
BEST 2-5
BEST ONE
S
b u
m
e
i s r
e l b
30
See motor-driven pump rating plate
SINGLE PHASE: thermal cutout w/automatic reset
THREE PHASE: by installer
i s
e v
q i l
i u
s d
n i
e g
- n
t a
r u
l e
m i
t i
g
v i
n e
n i
g n
o t
E
N
0 6
3 3
- 5
n n
t o
e b
s u
d e
u o
- t
35
20
10
10
G 1"
1
2
DW VOX
50
RIGHT
DW
20
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