TECHNICAL DESCRIPTION
MANUAL FOR OPERATION AND POWER CONNECTION
of
ELECTRONIC THERMOSTAT
NHC-H52M-1S / NHC-H52M-2
for control of utility storage water heaters with electric heater/s to 3 kW, 230 V~, single phase
connection, designed for wall mounting
WARNING! Read carefully this manual before using the device!
The present instruction is an integral part of the general installation and operation
instruction attached to your water heater unit. All of the general instruction requirements
concerning the water heater installation and connection to the water supply and electricity
networks are absolutely in force. It is compulsory to follow the requirements listed in the
general instruction other sections.
This manual explains the features and usage of the electronic control unit, which replaces
the traditional thermostat and LED switch of the ordinary water heaters.
NHC-H52M / v220322
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