K-Series
I/O Manual
Prepared by.
Rev. No.
0
Date.
11-Jan-11
Page.
20 / 25
6.4.1.2
Star – Delta
6.5 Thermal Protection Wiring
Most K-series control systems are equipped with thermal protection. There are two
types one is installed in the motor and the other in the control panel (Except for KP
type).
POSITION
CONTROL TYPE OUTPUT
PROCESS
WIRES
Motor
Current Control
Under
3.7 kW
When overload current flows,
motor protector stops pump.
Not exposed
Control Panel
Thermal Control
Over
5.5 kW
If motor temperature rises
above 100oC the device
operates and disconnects the
circuit in the Control Panel.
(for B Class Insulation)
1.25 – 2.0 sq
(White)
6.6
Changing the Direction of Rotation
6.7
To change the direction of rotation, interchange two of the phases in the control panel
as shown below.
6.6.1 Direct On Line.
fig. 19
fig. 20
