1
Introductions for HC71
(Edition V4.0 )
02000121_1.1 GB
This instruction is divided into two parts. User-Instructions and last in this instruction, the Installation-instructions.
User-Instructions
HC71is designed for heating systems especially Electrical Underfloor Heating. It will be easy to understand and use its
functions.
The Thermostat starts in Manual mode with floor sensor and temperature min. limit 5
o
C and max. limit 40
o
C.
Wooden floors should have floor limit at approx. 27
o
C.
Note: When Power Regulator mode is used, only Floor Sensor limit is activated.
A) The thermostat has three modes:
Manual mode gives a simple temperature control. No programming needed to use the thermostat, however
more useful functions i.e. Child Lock is possible to choose in Manual mode.
Manual mode is activated first time the thermostat is connected and after a Factory Reset.
Also choose Manual mode to cancel the programmed Event schedule (e.g. during holidays, for easy 5
℃
frost
protection) and to set the required temperature manually.
Power Regulator mode is a sub menu to Manual mode. Power Regulator mode can control the
underfloor heating without being influenced by other heat sources in the room.
Power Regulator run in 12-minute cycles. The user set how many minutes (out of the 12-minute cycle), the
heating element is warming.
I.e. Power Regulator set to 25%. Heating-element is on 3 out of 12 minutes = Power is 25% of max.
I.e. Power Regulator set to 50%, the heating-element is on 6 out of 12 minutes = Power is on 50% of the time.
Floor sensor temperature limit is activated.
Auto mode offers an intelligent temperature control automatically lowering temperatures according to you
needs i.e. during the night.
This function will run the Electrical Underfloor Heating in a very economical way, without compromising the
comfort.
Stand by - activate
Press Menu button for 3 seconds to set thermostat is in stand by. No settings will be changed the thermostat will turn
off, all the settings, including time and date will be saved.
Stand by - exit
Press Menu(middle) button and Exit Stand by.
Memory function
For memory function to work, the backup-battery must first charge 24h.
Charging begins
when the thermostat are
connected to power.
In case of power cut and fully charged backup-battery all setting are stored 1-2 days.
If the power cut is longer than the backup-battery can store settings the thermostat will restart in factory setting.