Hitachi airCloud HC-IOTGW Installation & Maintenance Manual page 14

(2-2) DIN rail installation
(a) Firmly fix the rail on the wall.
130.5 ± 0.3mm
Figure 3.5 Install on Non-wood Wall
DIN guide rail
DIN guide rail: self-prepared
Figure 3.6 DIN Rail Installation
12
Four screw
mounting holes