WARNING!
This appliance may be used by children of age over 3 years old and
persons with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, where they are under supervision or instructed about
the safe use of the appliance and understand the dangers. Children must not be
allowed to play with the unit! It is absolutely forbidden that children undertake
cleaning or servicing of this appliance! Children aged from 3 to 8 years are only
allowed to operate the tap connected to the water heater.
1. TECHNICAL DESCRIPTION
The electronic thermostat (hereinafter also the electronic unit) is designed for the management and
control of high class utility storage water electric heaters. It has a 4 control buttons, graphic color
LCD display, relay / relays to power the heater / heaters, temperature sensors. The software is
provided with an algorithm to automatically reduce electricity costs. The electronic unit main tasks
are to control your water heater heating process as efficiently as possible and to relieve you of all
worries and concerns about it.
Depending on your selected water heater the electronic unit can be of a model and features as
listed in Table 1. The technical data are listed in Table 2.
Table 1 - Models and features of the electronic units
NHC-H52M-1S
NHC-H52M-2
Thermostat control of the utility storage water electric heater / heaters.
Control of the utility storage water electric heater
additional heat source (boiler or solar collector *).
Control of two additional heat source for the utility
storage water electric heaters (solar collector and
boiler).
Recommendation:
the solar collector is connected to
the bottom coil and the another heating source - to
the upper one (boiler, fireplace, etc.).
Three probe panel. Two of them are designed to
measure the temperature in the tank at different
heights and one is for the additional heat source.
Five probe panel. Three of them are designed to
measure the temperature in the tank at different
heights. Two serve for the additional heat sources.
Automatic ban to switch on the electric heater, if the
water heater is heated enough.
Overheat protection of the solar collector if the solar collector temperature becomes higher than 90 ° C, the
solar circulation pump will be switched on regardless of the set differential temperature. The pump will shut
off only if the water temperature in the water heater exceeds 85 ° C.
Protection from freezing of the solar collector. This protection removes heat from the water heater.
Protection against freezing of the water heater. The electric heater is switched on at a measured water
temperature below 3 ° C.
2
