INSTALLATION INSTRUCTIONS—HWSTAT OPTIMUM VIBE PROGRAMMABLE THERMOSTAT
The OPTIMUM VIBE - Model HWSTAT is a baery powered hard-wired programmable thermostat. It MUST be installed
by a qualied person, in accordance with best pracse and current IEE wiring regulaons.
Before programming, complete all set-up instrucons.
The control set - when congured for T.P.I. control - meets the UK Government BEIS Department’s criteria for Class
IV control, contribung 2% towards energy eciency of the system.
The transmier is baery-powered (2 x AAA alkaline)
Installaon procedure: thermostat locaon / posioning
The thermostat should be located within the property bearing in mind the following requirements:
The thermostat has an on-board temperature sensor, which it uses to detect ambient temperature, and calculates
whether to send a demand or no-demand signal to the heang appliance. The thermostat should be located in a
main living area, where it is visible, there is unrestricted air-ow but it is not unduly inuenced by draughts or ex-
traneous heat sources: radiator / direct sunlight / lamp— please refer to the diagrams below:
Thermostat / backplate - installaon
Remove the thermostat from the backplate by inserng a at-bladed screwdriver into the recesses on the le– and
right-hand sides and gently lever to release the backplate.
Fit the backplate to the wall surface and connect wiring to the terminal block. See the wiring diagram on page 2.
The thermostat controls a volt-free changeover switch. Standard heang appliance connecons will be live feed /
live return (mains or low voltage) to the two terminals marked COM and NO.
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