Bedford B602 Series User manual
R
B602 Series
User’s Manual
GUANGZHOU BEDFORD PUMP CO., LTD.
GUANGZHOU BEDFORD ELECTRIC EQUIPMENT CO., LTD
Preface
Thank you
f
o
r
your
p
u
r
c
h
a
s
i
n
g
the B602S Series
product
.
This
Inverter
B
oo
s
t
e
r
Pump is
p
r
od
u
c
ed
to
be
s
t
s
e
r
v
e
y
o
u
r
p
u
r
po
s
e
s
when using
a
B
oo
s
t
e
r
Pump
S
y
s
t
e
m
.
For proper
s
e
t
u
p
,
you are
r
eq
u
e
s
t
ed
to read
t
h
r
o
u
g
h
t
h
i
s
U
s
e
r
’
s
m
a
n
u
a
l
.
The
B602S which
i
n
s
t
a
ll
ed
PID Control
f
u
n
c
t
i
o
n
inside
h
a
s
Variable
speed
control and
B
oo
s
t
e
r
Pump
Control
f
u
n
c
t
i
o
n
t
o
g
e
t
h
e
r
.
And you will be
p
r
o
v
i
ded
the
f
e
a
t
u
r
e
s
and
ope
r
a
t
i
o
n
s of the
B602S
t
h
r
o
u
g
h
t
h
i
s
U
s
e
r
’
s
m
a
n
u
a
l
.
P
l
e
a
s
e
read and have
t
h
o
r
o
u
g
h
k
n
o
w
l
ed
g
e
about
t
h
i
s
m
a
n
u
a
l
be
f
o
r
e
ope
r
a
t
i
n
g
and
a
l
wa
y
s
leave it
closely
to
p
r
od
u
c
t
.
- 1 -
Contents
P
r
e
f
a
c
e
-----------------------------------------------------------1
W
a
r
n
i
n
g
and
c
a
u
t
i
o
n
f
o
r
s
a
f
e
t
y
--------------------------------- 3
S
p
e
c
i
f
i
c
a
t
i
o
n
---------
---------------------------------------------
7
P
e
r
f
o
r
m
a
n
c
e Curve
--------------------------------------------
8
Pump
C
o
nn
e
c
t
i
o
n
------------------------------------------------
8
Outline
Dimension
-----------------------------------------------
9
Exterior
d
e
s
c
r
i
p
t
i
o
n
of
the
p
r
od
u
c
t
------------------------------
9
I
n
s
t
a
ll
a
t
i
o
n
/
t
e
s
t
-
op
e
r
a
t
i
o
n
of
the
p
r
od
u
c
t
---------------------1 0
Inverter
s
c
r
ee
n
--------------------------------------------------
12
LED
D
e
s
c
r
i
p
t
i
o
n
-------------------------------------------------
12
LCD
D
e
s
c
r
i
p
t
i
o
n
-------------------------------------------------
13
KEY
D
e
s
c
r
i
p
t
i
o
n
-------------------------------------------------
13
How to
s
e
t
p
r
e
ss
u
r
e
---------------------------------------------
14
How to
s
e
t
u
p
the
p
a
r
a
m
e
t
e
r
------------------------------------
15
P
a
r
a
m
e
t
e
r
S
u
mm
a
r
y
--------------------------------------------
16
D
e
s
c
r
i
p
t
i
o
n
of
p
a
r
a
m
e
t
e
r
f
u
n
c
t
i
o
n
-------------------------
----17
Causesof m
a
l
f
u
n
c
t
i
o
n
i
n
g
/
T
r
o
u
b
l
e
s
h
oo
t
i
n
g
---
--------------
19
C
o
u
n
t
e
r
m
e
a
s
u
r
e
s
f
o
r
errors
------------------------------------
19
- 2 -
- 3 -
Warning and caution for
s
a
f
e
t
y
Warning and caution
B
e
f
o
r
e
use,
t
h
o
r
o
u
g
hly
read
“
W
a
r
n
i
n
g
and
c
a
u
t
i
o
n
f
o
r
s
a
f
e
ty
.
“The
w
a
r
n
i
n
g
a
n
d
c
a
u
ti
o
n
de
s
c
r
i
bed
be
l
o
w
m
u
s
t
be
c
o
m
p
l
i
ed
with in
order to
e
n
s
u
r
e
proper and
s
a
f
e
use of
the
p
r
od
u
c
t.
Caution:
I
f
i
g
n
o
r
ed
,
injury or
p
h
y
s
i
c
a
l
damage
may be
c
a
u
s
ed
.
W
a
r
n
i
n
g
:
I
f
i
g
n
o
r
ed
,
f
a
t
a
l
i
ty
or
s
e
v
e
r
e
injury may be
c
a
u
s
ed
.
-
Riskof
not
c
o
m
p
l
y
i
n
g
with
safety
g
u
i
de
l
i
nes
Calamity
or
damage caused
by i
g
n
o
r
i
n
g
the
c
o
n
t
e
n
ts
of this
m
a
n
u
a
l
m
a
y
not be
c
o
v
e
r
ed
by the warranty
of
our
c
o
m
p
a
n
y
.
☞
Damage
or
irreversible
break
down of
the
p
r
od
u
c
t
caused
by
th
e
u
n
a
u
th
o
r
i
z
ed
d
i
s
a
ss
e
m
b
l
y
or i
m
p
r
ope
r
ope
r
a
ti
o
n
c
o
n
d
i
ti
o
n
.
☞ Injury
caused
by
e
l
e
c
tr
i
c
/
m
e
c
h
a
n
i
c
a
l
r
e
a
s
o
n
s.
☞
E
n
v
i
r
o
n
m
e
n
t
a
l
pollution caused
by the
l
e
a
k
a
g
e
of
h
a
z
a
r
do
u
s
liquid.
I
f
there
is
s
e
v
e
r
e
vibration, noise,
heat or odor
d
u
r
i
n
g
initial
ope
r
a
ti
o
n
,
tu
r
n
the
po
w
e
r
off i
mm
ed
i
a
t
e
l
y
and
c
o
n
t
a
c
t
the retail
s
to
r
e
or our
s
e
r
v
i
c
e
c
e
n
ter.
Cautionduringtransport /
i
n
s
t
a
ll
a
t
i
on
Warning
To prevent
e
l
e
c
tr
i
c
shock, Install a
circuit
breaker
with
l
e
ss
th
a
n
30mA
of
r
a
t
i
n
g
s
e
n
s
i
ti
v
i
t
y.
Warning
To prevent
e
l
e
c
tr
i
c
shock,
cut the
po
w
e
r
f
r
o
m
the
pump d
u
r
i
n
g
installation,
r
e
m
o
v
a
l
and
r
ep
a
i
r.
Warning and caution for
s
a
f
e
t
y
C
a
u
ti
o
n
When
installing
th
e
pump,
d
r
a
i
n
a
g
e
f
a
c
i
l
i
t
y
m
u
s
t
be
s
e
c
u
r
ed
t
o
prevent
d
a
m
a
g
e
s
caused
by
l
e
a
k
a
g
e d
u
r
i
n
g
i
n
s
ta
ll
a
ti
o
n
,
exchange
and
r
ep
a
i
r.
C
a
u
ti
o
n
Do not
p
l
a
c
e
th
e p
r
od
u
c
t
on
o
u
td
oo
r
a
r
e
a
s
directly
e
x
po
s
ed
to rain or
s
u
n
l
i
g
h
t.
D
e
f
o
r
m
a
ti
o
n
of
parts
o
r
electric
shock
m
i
g
h
t
o
cc
u
r.
C
a
u
ti
o
n
For a
c
o
n
v
e
n
i
e
n
t
r
ep
a
i
r
/
c
h
e
c
k
up,
do
n
o
t
install
in
c
o
n
f
i
n
ed
a
r
e
a
s
.
Minimum
s
p
a
c
e de
s
c
r
i
bed
in
th
e p
i
c
tu
r
e
is
r
eq
u
i
r
ed.
- 4 -
C
a
u
ti
o
n
P
e
r
f
o
r
m
g
r
o
u
n
d
c
o
n
c
r
e
te
work to
m
a
k
e
s
u
r
e
the
pump
doe
s
n
’
t
tilt over
t
i
m
e.
C
a
u
ti
o
n
When the
pump i
s
directly
installed
o
n
g
r
o
u
n
d
,
the
rotation
o
f
the
pump
may
c
a
u
s
e
v
i
b
r
a
t
i
o
n
.
I
n
s
t
a
ll
a
n
ti
-
vibration
de
v
i
c
e
s
.
C
a
u
ti
o
n
Turn off
th
e
po
w
e
r
be
f
o
r
e
g
r
o
u
n
d
i
n
g
.
Since
th
e
r
e
is
a
risk of
e
x
p
l
o
s
i
o
n
,
do not
g
r
o
u
n
d
on
g
a
s
p
i
pe
s
.
Warning
V
o
l
t
a
g
e
of
po
w
e
r
s
h
a
ll
be within
±
10
%
of
th
e
rated
v
o
l
t
a
g
e
(
220
V
)
.
Make
s
u
r
e
to
exclusively
use a
g
r
o
u
n
ded
o
u
tl
e
t.
C
a
u
ti
o
n
Cut the
po
w
e
r
w
h
e
n
the
p
r
od
u
c
t
is
not i
n
use
f
o
r
a
l
o
n
g
ti
m
e
.
Deterioration
o
f
i
n
s
u
l
a
ti
o
n
may
c
a
u
s
e
electric
shock
or
f
i
r
e.
- 5 -
- 6 -
Thank your for purchasing our p
r
odu
c
t
C
a
u
ti
o
n
Never
ope
r
a
t
e
w
h
e
n
there
is
no water in
th
e
ta
n
k
/
p
u
m
p
(
i
d
l
i
n
g
)
,
o
r
when
the outlet
v
a
l
v
e
is
c
l
o
s
ed.
Warning
Do not cover the
pump
with
clothing,
v
i
n
y
l
,
w
r
a
ppe
r
etc
to
p
r
o
t
e
c
t
the
pump
a
g
a
i
n
s
t
th
e
cold. Fire may
be
caused
due
to
o
v
e
r
h
e
a
t.
C
a
u
ti
o
n
Keep the inverter
a
n
d
motor
away
f
r
o
m
w
a
te
r
/
m
o
i
s
t.
E
l
e
c
tr
i
c
l
e
a
k
a
g
e
o
r
m
a
l
f
u
n
c
ti
o
n
i
n
g
m
a
y
o
cc
u
r.
Warning
Never
use
the
po
w
e
r
cord
as
a
h
a
n
d
l
e d
u
r
i
n
g
tr
a
n
s
po
r
t/
i
n
s
ta
ll
a
t
i
o
n
.
Damage
on the
po
w
e
r
cord may
c
a
u
s
e
electric
l
e
a
k
a
g
e
/
s
h
o
c
k.
C
a
u
ti
o
n
Keep the
pump
s
h
o
c
k
-
f
r
ee
.
Shock
may
c
a
u
s
e
damage
o
r
m
a
l
f
u
n
c
ti
o
n
i
n
g.
- 7 -
Specification
MODE
SPEC
B602S-
BMF2-30
B602S-
BMF2-50
B602S-
BMF2-60
B602S-
BMF4-30
B602S-
BMF4-40
B602S-
BMF4-50
B602S-
BMF4-60
Power INPUT:SINGLE PHASE 220V/50Hz, OUTPUT: THREE PHASE220V/50Hz
Input(W) 520 750 960 960 960 1380 1500
Output（W）370 550 750 750 750 1000 1100
Current(A) 1.70 2.40 3.10 3.10 3.10 4.20 4.50
Head(m) 28~14 45~22 55~25 28~10 38~14 48~20 53~24
Flow(m3/hr) 0.5~3.5 0.5~3.5 0.5~3.5 1.0~7.0 1.0~7.0 1.0~7.0 2.0~7.0
Bore(mm) 25×25 25×25 25×25 32×25 32×25 32×25 32×25
Warning
When
extending
th
e po
w
e
r
cord,
make
s
u
r
e
that the
c
oppe
r
wire i
s
not
damaged.
Wrap
th
e
c
o
nn
e
c
ti
n
g
part
w
i
th
adhesive
rubber
t
a
pe
,
and
finish
with
e
l
e
c
tr
i
c
ta
pe.
C
a
u
ti
o
n
Use
clear water
o
n
l
y.
Warning
Never touch the
pump
with bare
hands d
u
r
i
n
g
ope
r
a
ti
o
n
.
The heat
o
f
the
pump
may
c
a
u
s
e b
u
r
n
s.
Specification
&
P
e
r
f
o
r
m
a
n
ce
MODE
SPEC
B602S-
BMF2-30
B602S-
BMF2-40
B602S-
BMF2-50
B602S-
BMF2-60
B602S-
BMF4-20
B602S-
BMF4-30
B602S-
BMF4-40
Power INPUT:SINGLE PHASE 220V/60Hz, OUTPUT: THREE PHASE220V/60Hz
Input(W) 750 960 960 1380 960 1380 1500
Output（W）550 750 750 1000 750 1000 1100
Current(A) 2.40 3.10 3.10 4.20 3.10 4.20 4.50
Head(m) 36~18 48~24 60~30 71~36 26~10 40~15 52~20
Flow(m3/hr) 0.8~4.0 0.8~4.0 0.8~4.0 0.8~4.0 2.0~8.0 2.0~8.0 2.0~8.0
Bore(mm) 25×25 25×25 25×25 25×25 32×25 32×25 32×25
P
e
r
f
o
r
m
a
n
c
e
C
u
r
v
e
- 8 -
Pump
C
o
nn
e
c
t
i
o
n
P
e
r
f
o
r
m
a
n
c
e
C
u
r
v
e
- 9 -
- 10 -
Specification
&
P
e
r
f
o
r
m
a
n
ce
Outline
D
i
m
e
n
s
i
o
n
H: 465mm；L:330mm
Components of the product
Exterior
d
e
s
c
r
i
p
t
i
o
n
of
the
p
r
od
u
c
t
•
C
o
m
po
n
e
n
t
s
Pressure tank
INVERTER for
Booster pump
Pressure transmitter
Pressure gauge
MOTOR
Pump:BMF2/4
- 11 -
I
n
s
t
a
ll
a
t
i
on
/ t
e
s
t
-
op
e
r
a
t
i
on
of the p
r
odu
c
t
How to
i
n
s
t
a
ll
This
p
r
od
u
c
t
is designed
f
o
r
indoor
use.
I
f
you want to
install
t
h
e
p
r
od
u
c
t
on
o
u
td
oo
r
a
r
e
a
s
,
p
r
ep
a
r
e
f
a
c
i
l
i
ti
e
s
that can
p
r
o
v
i
de
the
p
r
od
u
c
t
with
p
r
o
t
e
c
ti
o
n
a
g
a
i
n
s
t
rain, wind and low
t
e
m
pe
r
a
tu
r
e.
.
As shown
in Fi
g
u
r
e
1, the inlet
c
o
n
d
i
t
i
o
n
shall
f
o
ll
o
w
the
p
r
e
ss
i
n
g
c
o
n
d
i
t
i
o
n
.
The inlet water level
shall
be
h
i
g
h
e
r
than 2m
f
r
o
m
the center
o
f
the
pump.
I
f
the
insideof
the
pump is filled
with air, the
pump
m
a
y
o
v
e
r
h
e
a
t
by
f
r
i
c
ti
o
n
d
u
r
i
n
g
ope
r
a
ti
o
n
to
damage
the internal
parts.
A
f
te
r
c
l
e
a
n
i
n
g
the tank,
make
s
u
r
e
to extract
a
i
r
.
. The
d
i
a
m
e
te
r
of
inlet pipe
m
u
s
t
be the
same
or
l
a
r
g
e
r
than the
d
i
a
m
e
te
r
of
the
pump
inlet.
I
f
the
d
i
a
m
e
t
e
r
of
the inlet pip
is
s
m
a
ll
,
c
o
l
u
m
n
s
ep
a
r
a
ti
o
n
may occur to create air
inside
the
p
u
m
p
.
. When
using
the
p
r
od
u
c
t
in a
do
w
n
w
a
r
d
-
t
y
pe
design, as shown
in
Fi
g
u
r
e
2,
install
a
device
that can
d
i
s
c
h
a
r
g
e
air
a
u
to
m
a
ti
c
a
ll
y
on the top part
o
f
the outlet
p
i
pe.
- 12 -
How to
op
e
r
a
t
e
. When
ope
r
a
ti
n
g
this
p
r
od
u
c
t,
p
l
e
a
s
e
f
o
ll
o
w
the
d
i
r
e
c
ti
o
n
s
be
l
o
w.
. Make
s
u
r
e
that the water level
of
the tank
is
at
l
e
a
s
t
2m
h
i
g
h
e
r
than
th
e
center
of
the
p
u
m
p
.
.
Close
the outlet valve (1) and
open
the air-vent
p
l
u
g
(
2
).
Inverter
s
c
r
ee
n
1.
Status
L
ED
Shows
the
ope
r
a
t
i
o
n
s
t
a
tu
s
of
th
e pump.
2.LCD display
Briefly
d
i
s
p
l
a
y
s
i
n
f
o
r
m
a
t
i
o
n
r
e
l
a
t
ed
to
the
s
y
s
te
m.
3. Control key
bo
ard
Used when
s
e
t
ti
n
g
/
c
h
e
c
k
i
n
g
i
n
f
o
r
m
a
ti
o
n
related to the
s
y
s
te
m.
- 13 -
Specification/performance of the p
r
odu
c
t
LED
R U N
Shows
that the
pump is
ope
r
a
ti
n
g
When the LED lamp
is
on, the
pump is
in a
s
t
a
n
db
y
m
ode.
When the LED lamp
blinks,
the
pump is
currently
ope
r
a
t
i
n
g.
S T O P
Shows
that the
system is
s
to
pped.
FAULT
Shows
that
a
b
n
o
r
m
a
l
i
t
y
is
de
t
e
c
te
d
f
r
o
m
the
p
r
od
u
ct.
P
l
e
a
s
e
r
e
f
e
r
to
tr
o
u
b
l
e
s
h
oo
t
i
n
g
and error i
n
f
o
r
m
a
t
i
on.
LCD
Shows
the type
o
f
a
b
n
o
r
m
a
l
i
t
y.
Shows
that the
p
u
mp
is
op
e
r
a
t
i
ng.
Shows
the
s
e
t
u
p
mod
e for
p
a
r
a
m
e
t
e
r
s
Shows
the data
va
l
u
e
of
each
p
a
r
a
m
e
t
e
r
Shows
the current
p
r
e
ss
u
r
e
&
p
a
r
a
m
e
t
e
r
s
e
t
u
p
value
d
u
r
i
n
g
op
e
r
a
t
i
o
n.
- 14 -
K
e
y
s
Used when
s
ta
r
ti
n
g
/
s
to
pp
i
n
g
the
ope
r
a
t
i
o
n
of
the
pump.
Used when exiting
the
p
a
r
a
m
e
t
e
r.
Used when changing
the
setup
p
r
e
ss
u
r
e.
Used when
s
e
t
ti
n
g
the data in
p
a
r
a
m
e
te
r
s
e
tu
p.
Used when
e
n
t
e
r
i
n
g
the
p
a
r
a
m
e
t
e
r
(BR
M
O
DE
)
Used when changing
the data value
of
p
a
r
a
m
e
t
e
r.
- 15 -
Components of the product
How to
s
e
t
p
r
e
ss
u
r
e
• To
change
the
s
e
t
p
r
e
ss
u
r
e
f
r
o
m
3.0 bar to 5.0
b
a
r
z
C
a
u
t
i
o
n
Data
s
c
r
ee
n
1.
P
r
e
ss
u
r
e
shall
be
s
e
t
lower than the
s
e
g
m
e
n
t
p
r
e
ss
u
r
e
of
the
p
u
m
p
.
When
p
r
e
ss
u
r
e
is
s
e
t
h
i
g
h
e
r
than the
s
e
g
m
e
n
t
p
r
e
ss
u
r
e
of
the
pump,
th
e pump
c
o
n
ti
n
u
e
s
to
ope
r
a
te
even
though
the
u
s
e
r
doe
s
n
’
t
use
w
a
te
r
,
causing damage
to the
p
u
m
p
.
2.
P
r
e
ss
u
r
e
shall
be
s
e
t
lower than the
h
i
g
h
-
p
r
e
ss
u
r
e
alarm and
h
i
g
h
e
r
th
a
n
the
l
o
w-
p
r
e
ss
u
r
e
a
l
a
r
m
.
O
pe
r
a
ti
o
n
s
c
r
ee
n
O
pe
r
a
ti
o
n
s
c
r
ee
n
Press the “set” button for 3
seconds until the word “Data”
appears. Now , the set pressure
can be change.
Change the set pressure by
pressing the “up/down”
button.
Press the “set” button again
for 3 seconds.the set pressure
blinks twice,and then the data
disappears.
- 16 -
Specification/performance of the p
r
odu
c
t
How to
s
e
t
u
p
the
p
a
r
a
m
e
t
e
r
• To
change BR-02
f
r
o
m
60 to
40
C
a
u
t
i
on
B
e
f
o
r
e
s
e
tti
n
g
the
p
a
r
a
m
e
te
r
,
p
l
e
a
s
e
r
e
f
e
r
to the
p
a
r
a
m
e
t
e
r
table to
c
h
e
c
k
the
a
r
ti
c
l
e
s
that can’t be
changed d
u
r
i
n
g
ope
r
a
ti
o
n
f
o
r
p
r
o
te
c
ti
o
n
of
the
p
u
m
p.
O
pe
r
a
ti
o
n
screen
P
a
r
a
m
e
te
r
s
c
r
ee
n
Data
s
c
r
ee
n
P
r
e
ss
the ‘
U
p
/
D
o
w
n
’ button
f
o
r
3
seconds
until
‘BR-01’
a
ppe
a
r
s
.
N
o
w
,
the
p
a
r
a
m
e
t
e
r
P
r
e
ss
the ‘
U
p
/
D
o
w
n
’ button to
move to
the BR article
w
a
n
ted
P
r
e
ss
the ‘
S
e
t
’ button, and the
w
o
r
d
‘Data’ will
a
ppe
a
r
.
Now,
the data
o
f
BR-02
can be
c
h
a
n
g
e
d
.
Change
the data
using
the
‘
U
p
/
D
o
w
n
’
b
u
tto
n.
P
a
r
a
m
e
te
r
s
c
r
ee
n
P
r
e
ss
the ‘
S
e
t
’ button, and the
d
a
ta
value will blink twice.
A
f
te
r
w
a
r
d
s
,
B
R
mode
will be
d
i
s
p
l
a
y
ed.
P
r
e
ss
the ‘
R
u
n
/
S
to
p
’ button to
exit
th
e
BR
mode.
The
system
will
ope
r
a
te
under the
s
e
t
v
a
l
u
e
- 17 -
Components of the product
P
a
r
a
m
e
t
e
r
S
u
mm
a
r
y
•
P
a
r
a
m
e
te
r
t
a
b
le
NO. Content
of parameter Min
Value Max
Value Unit Remarks Change
during
operation
BR-01 Base frequency 50 60 60 Hz X
BR-02 Maximum output
frequency 00 80 60 Hz X
BR-03 Minimum output
frequency 00 50 30 Hz 〇
BR-04 Rotating direction 00 01 00 00:Forward
01:Reverse X
BR-05 Sensor value setup 0.0 25 10 Bar X
BR-06 Sensor adjustment -0.9 0.9 0.0 Bar 〇
BR-07 Operation deviation 0.1 1.0 0.3 Bar 〇
BR-08 High-pressure alarm 0.0 25 7.5 Bar 〇
BR-09 Low-pressure alarm 0.0 10 0.5 Bar 〇
BR-10 Anti-frost damage 00 99 30 Min 〇
BR-11 Program
initialization 0 2 0
0:Change available
1:ChangeNo available
2:initalization X
BR-12 Program version
BR-13 Alarm infomation 01 10 1 EA Initialized when set
•
Contentsof
p
a
r
a
m
e
te
r
f
u
n
c
t
i
on
•
Base
f
r
eq
u
e
n
c
y
is
the
f
r
eq
u
e
n
c
y
that the rated
voltage of
th
e
inverter
can
o
u
tp
u
t.
•
S
e
t
a
cc
o
r
d
i
n
g
to the rated
f
r
eq
u
e
n
c
y
of
the
m
o
t
o
r.
•
Maximum
output
f
r
eq
u
e
n
c
y
is
the
maximum
f
r
eq
u
e
n
c
y
that
th
e
inverter can
ope
r
a
te.
•
S
e
t
value
shall
not
exceed
the
f
r
eq
u
e
n
c
y
a
ll
o
w
ed
by the
m
o
tor.
BR-01 Base
f
r
eq
u
e
n
cy
BR-02 Maximum
output
f
r
eq
u
e
n
cy
Specification/performance of the p
r
odu
c
t
• When the
s
e
t
p
r
e
ss
u
r
e
is
r
e
a
c
h
ed
and the
pump stops,
the
pump ope
r
a
t
e
s
under the
minimum
output
f
r
eq
u
e
n
c
y
f
o
r
a certain time
a
n
d
then
stops.
When the
s
t
opp
a
g
e
f
r
eq
u
e
n
c
y
is
too
high,
the
s
to
pp
a
g
e
f
r
eq
u
e
n
c
y
will
elevate.
On the other
hand, when
the
s
to
pp
a
g
e
f
r
eq
u
e
n
c
y
is
too low,
ope
r
a
ti
o
n
m
i
g
h
t
c
o
n
ti
n
u
e
.
Initial value i
s
r
e
c
o
mm
e
n
ded
f
o
r
this
s
e
tu
p.
• When the wire
c
o
nn
e
c
ti
o
n
of
the motor
is i
m
p
r
op
e
r
,
the
pump
r
o
ta
t
e
s
reversely.
R
e
v
e
r
s
e
rotation may lower
p
r
e
ss
u
r
e
,
stop
wa
t
e
r
pumping
and
cause
n
o
i
s
e
/
v
i
b
r
a
ti
o
n
.
In
such case, change
the
s
e
tu
p
f
o
r
the
r
o
ta
t
i
n
g
d
i
r
e
c
ti
o
n
instead of changing
the wire
c
o
nn
e
c
ti
o
n.
•00: F
o
r
wa
r
d
rotation 01:
R
e
v
e
r
s
e
r
o
ta
ti
o
n.
• To detect the pipe
p
r
e
ss
u
r
e
,
a
p
r
e
ss
u
r
e
s
e
n
s
o
r
is installed
on
t
h
e
outlet part.
This
p
a
r
a
m
e
t
e
r
sets
the
usage
p
r
e
ss
u
r
e
f
o
r
the
s
e
n
s
o
r
.
The
p
r
e
ss
u
r
e
s
e
n
s
o
r
m
u
s
t
have an
output option
of
4
~
20
mA.
BR-03 Minimum
output
f
r
eq
u
e
n
cy
BR-04
R
o
t
a
ti
n
g
d
i
r
e
c
t
i
on
• In
case
p
r
e
ss
u
r
e
de
v
i
a
t
i
o
n
o
cc
u
r
s
in the
s
e
n
s
o
r
,
or the
p
r
e
ss
u
r
e
o
f
the
gauge is
d
i
ff
e
r
e
n
t
f
r
o
m
the
p
r
e
ss
u
r
e
on the
s
c
r
ee
n
,
th
i
s
p
a
r
a
m
e
te
r
adjusts such
d
i
ff
e
r
e
n
c
e
.
B
e
f
o
r
e
change this
p
a
r
a
m
e
te
r
,
check
the
c
o
n
d
i
t
i
o
n
of
the
p
r
e
ss
u
r
e
g
a
u
g
e
.
BR-05
S
e
n
s
o
r
value
s
e
tup
BR-06
S
e
n
s
o
r
a
d
j
u
s
t
m
e
nt
• When the pipe
p
r
e
ss
u
r
e
f
a
ll
s
lower than the
s
e
t
p
r
e
ss
u
r
e
,
the
p
u
m
p ope
r
a
t
e
s
.
This
p
a
r
a
m
e
t
e
r
sets such
p
r
e
ss
u
r
e
of
ope
r
a
ti
o
n
.
I
f
th
e ope
r
a
ti
o
n
de
v
i
a
ti
o
n
is
s
e
t
too
s
m
a
ll
,
the
f
r
eq
u
e
n
c
y
of
r
epe
a
t
ed
ope
r
a
ti
o
n
i
n
c
r
e
a
s
e
s
.
On the other
hand, if
the
ope
r
a
ti
o
n
de
v
i
a
ti
o
n
is
s
e
t
too
high,
the
p
r
e
ss
u
r
e
de
v
i
a
t
i
o
n
i
n
c
r
e
a
s
e
s
to
cause i
n
c
o
n
v
e
n
i
e
n
c
e.
•
I
f
the current
p
r
e
ss
u
r
e
is
h
i
g
h
e
r
than the
h
i
g
h
-
p
r
e
ss
u
r
e
alarm, a (
)
icon
is shown
on
s
c
r
ee
n
and the
pump stops i
mm
ed
i
a
t
e
l
y
.
I
f
th
e
current
p
r
e
ss
u
r
e
d
r
op
s
lower than the
h
i
g
h
-
p
r
e
ss
u
r
e
alarm, the i
c
o
n
d
i
s
a
ppe
a
r
s
and the
pump ope
r
a
t
e
s
n
o
r
m
a
ll
y
a
g
a
i
n
.
BR-07
O
pe
r
a
ti
o
n
de
v
i
a
ti
on
BR-08
H
i
g
h
-
p
r
e
ss
u
r
e
a
l
a
r
m
P
a
r
a
m
e
t
e
r
D
e
s
c
r
i
p
t
i
o
n
- 18 -
Components ofthe product
P
a
r
a
m
e
t
e
r
t
a
b
l
e
•1:
Changeof p
a
r
a
m
e
t
e
r
s
is
not
a
v
a
i
l
a
b
l
e
.
•2:
Initializes
the
p
a
r
a
m
e
t
e
r
s
to their
de
f
a
u
l
t
v
a
l
u
e.
BR-12
P
r
o
g
r
am
v
e
r
s
i
o
n
•
Shows
the
v
e
r
s
i
o
n
of
the
p
r
o
g
r
a
m.
• To i
m
p
r
o
v
e
the
pe
r
f
o
r
m
a
n
c
e
of
the
p
r
od
u
c
t
or
s
o
l
v
e
t
e
c
h
n
i
c
a
l
p
r
ob
l
e
m
s
,
v
e
r
s
i
o
n
is
s
u
b
j
e
c
t
to
change
without prior
n
o
ti
c
e.
BR-13
Alarm i
n
f
o
r
ma
t
i
o
n
• The
history of
10 recent
a
l
a
r
m
s
is
r
e
c
o
r
ded
and
saved.
Check t
h
e
alarm
i
n
f
o
r
m
a
t
i
o
n
by
using
the ‘
U
p
/
D
o
w
n
’
b
u
tto
n
.
BR-09
Low
p
r
e
ss
u
r
e
a
l
a
rm
•
I
f
ope
r
a
ti
o
n
l
a
s
ts
f
o
r
more than 30
seconds
with the
c
u
rr
e
n
t
p
r
e
ss
u
r
e
lower than the low
p
r
e
ss
u
r
e
alarm
s
e
t
,
the
pump stops
a
n
d
a ( ) icon
a
ppe
a
r
s
on the
s
c
r
ee
n
.
The
pump
a
u
to
m
a
ti
c
a
ll
y
r
e
s
ta
r
t
s
a
f
te
r
10
seconds.
H
o
w
e
v
e
r
,
if
the low
p
r
e
ss
u
r
e
alarm
is
a
c
ti
v
a
t
ed
f
o
r
more than
10
ti
m
e
s
,
it
is
c
o
n
s
i
de
r
ed
that the
system has
a
p
r
ob
l
e
m
,
and the
pump
doe
s
n
’
t
restart
a
g
a
i
n.
BR-10
A
n
t
i
-
f
r
o
s
t
dama
ge
•
A
n
ti
-
f
r
o
s
t
damage
f
u
n
c
ti
o
n
p
r
o
t
e
c
ts
the
pump
a
g
a
i
n
s
t
the
c
o
l
d
w
e
a
th
e
r
d
u
r
i
n
g
winter time. When the
s
e
t
time
is
e
l
a
p
s
ed
,
the
p
u
m
p
ope
r
a
t
e
s
under the
maximum
f
r
eq
u
e
n
c
y
f
o
r
5
seconds,
and
th
e
n
s
to
p
s.
BR-11
P
r
o
g
r
am
i
n
i
t
i
a
l
i
z
a
ti
on
•
This
f
u
n
c
ti
o
n
l
o
c
k
s
/
i
n
i
ti
a
l
i
z
e
s
the
p
r
o
g
r
a
m
•0:
Changeof p
a
r
a
m
e
t
e
r
s
is
a
v
a
i
l
a
b
l
e
.
- 19 -
This manual suits for next models
7
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