Chapter 3 Installation and Wiring
3-3
3.1.1
Installation Requirements
•
In order to ensure proper serviceability, operability and airflow, provide space between the HTB and
structural objects or other parts as the figure shows.
3.1.2
35 mm [1.38 in.] DIN rail mounting
(1)
Put the upper groove of the unit on the upper edge of the DIN rail. Push the lower side of the unit to the
lower edge of the DIN rail unit it clicks.
(2)
While pushing down the hook in the direction of the arrow with a flat-blade driver, pull the lower side of
the unit and remove the unit from the DIN rail.
• Check the vertical direction of the unit. Attach the unit on to the vertical plane
properly. Improper mounting of the unit may prevent heat release and proper
operation of the unit.
• The unit release hooks are kept open when not used. Make sure that the unit
release hooks close properly and the unit is firmly fixed on the DIN rail.
Unit : mm [in.]
20 [0.79]
40
[1.57]
40
[1.57]
20 [0.79]
20 [0.79]
20 [0.79]
80
[3.15]
15 mm [0.59 in.]
Push down to remove.
1
With a flat-blade driver
2
