<Start-up and Safety Precautions>
8
IM 12E01B30-01EN
1st Edition : Mar. 30, 2021-00
2. Wiring and Installation
For details, refer to the User’s Manual IM 12E01B30-02EN.
2.1
Installation Site
Select an installation site where
Ambient Operating temperature:
-5 to +55 ºC
Storage Temperature:
-30 to +70 ºC
Humidity:
10 to 90% RH at 40ºC (Non-condensing)
Install the TB820D Right Angle Scattered Light turbidity Detector at a location that
● is free from rain water such as an indoor location or in a cabinet.
● has low vibration.
● has low corrosive gas.
● is low humidity.
● has low temperature variation and where the temperature is maintained at or as near to
room temperature as possible.
● allows for sufficient maintenance space with easy maintenance access.
● allows for drai
nage.
For information on FLXA402T, read the user’s manual.
Install the TB820D’s converter and detector unit in pipes, racks or walls using their special
mounting brackets, respectively. Note that these mounting brackets are supplied only when
specified. Refer to General Specifications (GS 12E01B30-01EN) for details.
2.2 Wiring
WARNING
When Standard "-AD" (General purpose for CSA) with conduit adapter "/C□3" is specified,
always use a dedicated plate for wiring to comply with safety regulations.
When wiring TB820D, first remove the detector unit cover, then attach the cable gland.
After the wiring completes, install the shield cover securely. Refer to user’s manual IM
12E01B30-02EN for details.