Danfoss SET 1E Installation guide

MAKING MODERN LIVING POSSIBLE

Danfoss Heating

SET 1E

Electronic Timeswitch

for Heating and Hot Water

Installation Guide

For a large print version of these instructions
please call Marketing on 0845 121 7400.

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Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.

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SET1E

Installation Instructions

SET1E

Electronic Timeswitch for Heating and Hot Water

GB

Index

1.0 Installation Guide .....................................................................................4

2.0 System Overview .......................................................................................4

3.0 Installation ...................................................................................................4

3.1 Wiring .....................................................................................................6

3.2 Typical gravity DHW with pumped central heating ..............7

3.3 Typical control of pump for central heating in a

solid fuel system .................................................................................8

3.4 Typical control heating function only with boiler

and pump .............................................................................................9

3.5 Typical control of a motorised zone valve

requiring an open and close signal .......................................... 10

3.6 Typical control of heating when used with

combination type boilers............................................................. 11

4.0 Replacement ............................................................................................. 11

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GB

1.0 Installation Guide

Please Note:

This product should only be installed by a qualifi ed electrician or
competent heating installer and should be in accordance with the
current edition of the IEEE wiring regulations.

2.0 System Overview

Specifi cation

Power supply 230 ± 15% Vac, 50/60Hz

Switch action 1 x SPDT voltage free Type 1B

Switch rating

Timing accuracy ± 1 min/month

Power reserve Minimum 10 hours

Enclosure rating IP30

Max. ambient temperature 45°C

Dimensions, mm (W, H, D) 158 x 98 x 38

Design standard EN 60730-2-7

Control Pollution Situation Degree 2

Rated Impulse Voltage 2.5kV

Ball Pressure Test 75°C

Max. 264Vac, 50/60Hz, 3(1) A

3.0 Installation

1. Fix the wallplate to the wall or fl ush mounted box as required.
The connections are at the top and the vertical centre line of the
unit, at the position shown on the diagram below C/L (in line with
terminal

).

2. Surface cables can only enter from below the unit. If mounted on
a fl ush mounted box, cables can enter from the rear through the
aperture in the wallplate.

3. For mains voltage applications a link must be fi tted between
terminals L and 5.

4. Whilst the unit does not require an Earth connection, a terminal is
provided on the wallplate for Earth continuity purposes.

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SET1E

Outline of
programmer

Leave suffi cient space for
screwdriver access

C/L

Terminal
block

Wall or
plasterbox
fi xing

Leave at least
25mm below
product

Rear entry
cable access

Cable aperture
knockouts

5. Referring to the wiring diagrams on page 6-10, connect the unit
as shown.

6. Ensure all dust and debris are cleared from the area.

GB

7. Locate the module on the latches at the bottom of the wallplate
and hinge upwards to fully engage the unit connectors into the
wallplate. Tighten the two fi xing screws to secure the unit to the
wallplate.

8. Before setting the programme, check the unit and circuit. Switch
on the mains supply and press the rocker switch to the CONSTANT
position - the red LED should now be illuminated. Adjust any
remote thermostat to check the services operate correctly.

9. Press the rocker switch to the OFF position and check that the
system does not operate.

10. Finally, press the rocker switch to TIMED position prior to
programming the unit.

Danfoss Heating

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