STP-301/451 Series Instruction Manual
6-5
Installation
6.1.3 Top Panel
(22) VR1 Volume
z 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
z 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 Section 9.2, "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
OFF Invalid Valid
(22) (23)
Front Panel Side
8 7 6 5 4 3 2 1 ON
Not Used
Remote input signal changeover
Set Rated Speed
Expanded view of
DSW-B switch
(setting at delivery)
"ON" only
with CON4.
Not Used
Not Used
Not Used
Not Used
Not Used
Figure 6.3 STP Control Unit Top Panel
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