2.1.2  Installation area 
Leave enough space for the following in addition to that for the STP pump: 
• Space for maintenance and inspection. 
• Space for connecting cables. 
CAUTION 
 
The minimum bending radius of the STP connection cable is 200 mm (STP-301/451/L301/L451 
series: 160 mm) (see the STP Pump Instruction Manual (B), "External Appearance of the STP 
pump" [bending dimensions of the connection cable]). 
DO NOT bend the cables excessively and beware of any obstacles when installing the STP pump. 
In addition, leave enough space to install other cables without bending them excessively.