1. INSTALLATION
ST620 Programmable Room Thermostat
Getting Started…….
Installing the ST620 Batteries
To open the case of the ST620, undo the securing screw on the bottom.
Now pull the screw down until it stops, then carefully separate the two
halves of the case by gently pulling out an upwards direction. You will
now see the battery compartments on the rear of the front fascia as shown.
Ensure that the batteries are inserted correctly and check the polarity.
ST620WBC INSTRUCTION MANUAL6
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