4
Figure 3. Input Wiring Diagram
Figure 2. Installation Drawing Figure 4. Sealing position
4. OPERATION
This housing has thermostatically controlled heater and fan. The thermostat of heater is set to
turn it on 4
o
(±5) and to turn it off on 15
o
(±5).
The thermostat of fan is set to turn it on 40
o
(±5) and to turn it off on 30
o
(±5).
5. MAINTENANCE
Perform the following maintenance at regularly scheduled intervals to prolong the operational life
and appearance of the equipment.
Clean the bubble with a mild nonabrasive detergent in water and a soft cloth to maintain picture
clarity.
(TORQUE SHOULD NOT EXCEED 4kgfcm)
SCREW UNTIL O-RING IS DEPRESSED
DOME BODY
HOUSING RING
ABOUT 0.2~0.3 mm
LOOSEN 3 SCREWS
DOME CONNECTOR
DOME BASE BOARD
DOME BASE
FAN& HEATER BOARD
Seal using silicone rubber
around the circle
OUT
AC24V
IN
AC24V
HEATER
AC24V
FAN
DC24V
