Drayton HTS3 User Manual

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HTS3 Cylinder
Thermostat
Installation instructions
Technical Data
Setting Range
50° – 80°C
Differential
8°C approx.
Switch rating
3 (1) A 230V ac
Switch type
SPDT
Earth
Double insulated
– not required
Connections
C – common
1 – call
2 – satisfied
Fixing
Plastic-coated spring wire
with hook and eyelet.
Conforms to the essential
requirements of the following directives:
2004/108/EC – Electromagnetic compat ibility
Directive
2006/95/EC – Low Voltage Directive
Cylinder thermostats
Make Model Common Call Satisfied
HTS 3 C 1 2
Lifestyle HTS 2 R B Y
Danfoss
Randall
AT (CN4) 1 2 3
Drayton CS 1/CS 2 1 2 3
Honeywell L641A C 1 2
Landis
& Gyr
RAM 1 1 2 3
Potterton
Myson
PTT 1 L H C
Sunvic 1452/
SA2451
3 1 2
Sopac SAY C 1 2
Smiths SCT 1 1 2 3
Tower CS 1 R B Y
Barlo CT 1 R B Y
Pollution Degree
2
Ball pressure
Test Temperature
110ºC
Rated impulse
voltage
2.5kV
2011/65/EU – Restriction of the Use of Certain
Hazardous Substances (RoHS)
Energy Class
I = 1% (Acc. EU
811/2013, 812/2013,
813/2013, 814/2013)

Drayton HTS3 Specifications

General

Connectivity	Wired
Mounting	Wall-Mounted
Temperature Range	5°C to 30°C
Voltage	230V AC
Switching Capacity	750W
Accuracy	±0.5°C
Display	LCD
Switching Current	3A

Summary

Technical Data

Cylinder thermostat comparison

HTS3 Installation Guide

Positioning the HTS3

Install the HTS3 cylinder thermostat approximately one third of the way up the hot water cylinder at the front.

Wiring Connections

Connect the HTS3 using sufficient 3-core cable to the installation position without tension. Ensure double insulation.

Fixing to the Cylinder

Hold the HTS3 base in good contact with the cylinder metal using a cut spring fixing cable with hook and eyelet.

Commissioning and Setting

Setting the Temperature

Position the setting arrow at the desired nominal hot water temperature, or fully anticlockwise for OFF.