
I. Introduction
The STH-3230 Series Camera Housing is constructed by die-cast aluminum alloy with powder coated
finished and equipped with adjustable BR-16 (Semi-Cable Managed) Mounting Bracket. The Product is CE
certified, owns IP 67 or IP 44 environmental protection level and conform with RoHS regulations.
II. Mounting Configuration and Dimensions of STH-3230 Series
BR-16 Semi-Cable Managed Bracket Dimensions of Bracket Base
Adjust position and direct ion
Inner space for camera mount W90 x H70 x L260mm
III. Fitting instructions for camera.
Terminal block
Cameia mounti ng platfDim
Heater (12VDC, 24Л10Я30 VAC
Cable Gland
Heater wire. Ground wire
Theimal control board
Capptive retaining VU – Screws * 3

IV. Wiring Diagram
Inside the internal wiring diagram of STH-3230
Series
for the window demister. A spare 6 way terminal
block is
provided at the rear of the housing for the camera
when
necessary and lens connections. Circuit identified as
follows:
TB.1 6 way terminal block
TB.2 3 way terminal block
FTB.1 Fused terminal block
STAT.1 18 Thermostat
STAT.1 35 Thermostat
H.1 Heater
PSU Power Supply Unit
P.C.B.1 Thermal control circuit board
FS.1 3 Amp. Fuse
DC output of PSU connectors
1. Pin1,2 and pin 3,4 is DC 12V output for motor lens, IR illuminator
siren or speaker use. If no use please remove cable from connector.
2. Pin 5,6 is for DC12V output for camera.
V. INSTALLATION SUGGESTION:
If you plan to install this camera into a tropical, sear coastal, saltwater or corrosive industrial water/moist
environment, please seal each stainless steel screw and fittings with a silicon grease compounds. This will help
prevent electrolysis corrosive occurring and extend the lifespan of the camera and housing. The installation of a
surge protection device is strongly recommended in frequent thunder area.
IMPORTANT NOTE:
1. Disconnect Device: A disconnect device from main supply shall be incorporated in the building installation wiring.
2.Electrical Connections: Only a qualified electrician allow to make electrical connections.
AC power connection
Shows how to connect the AC power cord to
the FTB. 1 connector.

*First heater prevents moisture on the window glass till weather temperature -25, second heater is heating in housing for camera operation
properly till weather temperature -40
**With 12Vdc camera jet