8
6.
Installation
This product does not have a waterproof function. After the network joining is completed, please place it indoor.
(1)
Environmental sensor - temperature and humidity _PM2.5 (R72616A) and battery box are fixed by screws at the factory for
transportation reasons. Before installation, the screws need to be unscrewed (red circle below).
(2)
Environmental sensor - temperature and humidity _PM2.5 (R72616A) battery box with built-in lithium battery, users need to
unscrew the four corners of the battery box. Insert 8 ER14505 3.6V batteries into the battery compartment, 4 sections on the
front and 4 sections on the back side. After loading the battery, install the battery PCB board face up and attach it to the top
cover of the case. As shown in Figure 1.
Note:
The direction of the battery is divided into positive (+) and negative (-) according to the adhesion mark in the battery slot to
prevent the positive and negative electrodes from being reversed.
The top cover battery PCB board has a component on the front side, and the front side faces the lower cover, which cannot be
reversed, otherwise the lower cover of the outer casing cannot be closed.
Figure 1. Battery PCB front Figure 2. The reverse side of the battery PCB
