Heatmiser DS1 User Manual

The Heatmiser DS1 dial type thermostat is suitable for conventional or
combi-boiler systems.
This thermostat incorporates the following functions;
• Adjustable Switching Dierential
• LED Heat and Power Indication
• 230v AC, 3A Switching
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Introduction
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Model: DS1
IN ORDER TO AVOID ANY RISK OF ELECTRIC SHOCK, TURN OFF THE POWER TO THE
HEATING SYSTEM.
This dial thermostat is designed to be surface mounted.
1. Separate the front part of the thermostat by unscrewing securing screws on the
bottom face of the thermostat.
2. Mark 2 hole positions on the wall using the backplate as a positioning template. Drill at
the marked positions and insert a wall plug in to each hole.
3. Terminate the thermostat as per wiring diagram and screw the DS1 back plate to the
back box.
4. Reconnect the thermostat front plate and insert the securing screws.
Installation
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PDF FAQ

Heatmiser DS1 Specifications

General

Power Supply	230V AC
Display	LCD
Sensor Type	Internal
Accuracy	±0.5°C
Type	Digital Thermostat
Switching Capacity	3A (resistive)

Summary

Introduction

Product Overview

The Heatmiser DS1 dial type thermostat is suitable for conventional or combi-boiler systems.

Key Features

Incorporates adjustable switching differential, LED heat/power indication, and 230v AC, 3A switching.

Installation

Electrical Safety Precaution

Turn off power to the heating system before proceeding with installation to avoid electric shock risk.

Mounting and Wiring Steps

Details steps for separating the thermostat, marking holes, wiring, and reattaching the front plate.

Setting The Temperature

Adjusting Temperature Dial

To change the set point, rotate the dial until it points at the desired temperature.

Switching Differential

Differential Explanation

Explains how 1°C, 2°C, and 3°C differentials affect heating activation and deactivation points.

DIP Switch Configuration

Details DIP switch settings for configuring the 1°C, 2°C, and 3°C switching differentials.

Wiring Diagram

Voltfree Boiler Wiring

Illustrates wiring connections for a DS1 thermostat to a voltfree boiler system, including 230V supply.