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Horstmann C-Stat 17-B Installation Instructions Manual

Horstmann C-Stat 17-B Installation Instructions Manual

Battery powered programmable room thermostat

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C-Stat 11-B | C-Stat 17-B

Installation Instructions

Battery Powered Programmable
Room Thermostat
Programmable room thermostats are widely recognised as one
of the best ways in which to control central heating. Horstmann
C-Stat programmable room thermostats have a large display
and intuitive user interface, making them easy to set up and use.
C-Stat uses a sophisticated time proportional integral (TPI)
algorithm for accurate temperature control and energy
efficiency. Being battery powered, these models are suitable for
replacing most existing room thermostats.
Installation and connection should only be carried out by a
suitable qualified person and in accordance with the edition of
the IEE wiring regulation.
Warning: Isolate mains supply before commencing installation.
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Summarization of Contents

Introduction to C-Stat Thermostats
Product Overview: Battery Powered Programmable Room Thermostat
Details the C-Stat thermostat's features like TPI, intuitive interface, and battery power.
Wall Plate Installation
Direct Wall Mounting Procedure
Steps for marking, drilling, and securing the wall plate directly onto a wall surface.
Wiring and Connections
Wiring Box Mounting Options
Guidance for fitting the wall plate onto a single gang steel flush wiring box.
Electrical Connection Details
Instructions for making electrical connections, including cable size and wiring entry.
Internal Wiring Diagram
Diagram illustrating the internal wiring connections for the C-Stat thermostat.
TPI Temperature Control System
Understanding TPI Control Algorithm
Explanation of TPI's benefits for temperature accuracy and energy efficiency.
TPI Cycle Settings for Different Boilers
Recommended TPI cycle settings for Gas, Oil, and Electric heating systems.
Installer Settings Configuration
Time and Display Settings
Configuration of clock format, daylight saving, and temperature limits.
Boiler and System Optimisation Settings
Setting TPI cycles and Optimum Start for boiler and system performance.