Aercus WH24 User manual

Instructions for Replacing the Thermo/Hygro Sensor
Outdoor Sensor Array (WH24) for Weather Ranger and Weather Sleuth Stations
Tools
1x 80mm Phillips screwdriver
1x 60mm Phillips screwdriver
Method
Step 1: Dismount the WH24 sensor array and remove the batteries
Step 2: Unscrew the two long screws from the base of the solar shield (See Figure 1)
Figure 1: Removing the solar shield

Step 3: Open up the casing of the sensor array by unscrewing the six screws placed around
the sensor (See Figure 2) as shown. Carefully open the casing.
Figure 2: Opening the casing
Step 4: Unscrew the four screws that connect the circuit board cover to the inside of base of
the casing. Gently lift this off to free the circuit board allowing you to access the PCB (circuit
board) and the connection cables.

Step 5: Disconnect the cable (marked J5) from the PCB (circuit board) as shown in Figure 3. If
you trace this cable from the hole leading to the solar shield, to confirm you are disconnecting
the correct cable
Figure 3: Removing the signal cable from the PCB
Step 6: Gently pull out the whole Thermo/Hygro sensor, taking care to feed the cable through
and cable routing or ties.
Step 7: Install the new Thermo/Hygro sensor and reverse the disassembly process.
Figure 4: Installing a new sensor