TECH ST-37 Manual Manual page 3

Temperature regulator
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TECH
ATTENTION!
E
!
LECTRIC CURRENT
Make sure the regulator is unplugged before
working on the power supply (cable
connections, device installation, etc.)!
All mounting works must only be carried out
by qualified electricians.
Before activating the controller, measure the
electric motor resetting efficiency, check the
boiler and inspect wire insulation.
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