STP-301/451 Series Instruction Manual
6-6
Installation
6.1.3 Top
Panel
(22) VR1 Volume
For setting the rated speed of the STP pump.
This volume is normally made ineffective. (See Section 9.2, "Setting the Rated
Speed.")
(23) DSW-B Dip Switches
For optional settings.
Figure 6.3 shows the functions and the factory settings of the dip switches.
<No.1 switch (Rated speed setting)>
Rated speed can be changed by switching this switch "ON." (see Section9.2,
"Setting the Rated Speed")
<No.4 switch (Remote input signal change)
＞
It is valid with only the specification of remote connector CON4 (special
accessory).
The state of input terminal and connector can be changed by this switch
"ON/OFF" operation.
Remote input signal
No.4 switch
Remote connector
CON4
Remote terminal block
TB2
ON Valid
Invalid
FF Invalid
Valid
(22) (23)
Front Panel Side
8 7 6 5 4 3 2 1 ON
Not U
sed
Re
mote
input
sign
al ch
angeo
ver
Se
t Rat
ed Sp
eed
Expanded view of
DSW-B switch
(setting at delivery)
"ON" only
with CON4.
Not U
sed
Not U
sed
Not U
sed
Not U
sed
Not U
sed
Figure 6.3 STP Control Unit Top Panel
