Danfoss SET3M Assembly Instructions

SET3M

Installation & User Instructions

electro-mechanical

24 programmer for

heating & hot water

This product complies with the following EC Directives:

Electro-Magnetic Compatibility Directive.

(EMC) (2004/108/EC)

Low Voltage Directive.

(LVD) (2006/95/EC)

For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]

INDEX

Index

Installation

Product speciﬁcation 3

Installation 4-5

Wiring 6-12

Replacement 13-15

User

Your programmer 16

Setting the clock 16

Programming the unit 17

Using the programmer 18

Overrides 19

Manual use 19

Contact details 20

For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]

Please Note:

This product should only be installed by a qualiﬁed

electrician or competent heating installer, and

should be in accordance with the current edition of

the IEEE wiring regulations.

Speciﬁcation

Power supply 230 ± 15% Vac, 50/60Hz

Switch action 2 x SPDT Type 1B

Switch rating

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

Setting accuracy ± 5 minutes

Timing accuracy ± 1 min/month

Enclosure rating IP30

Max. ambient temperature 45°C

Dimensions, mm (W, H, D) 158 x 98 x 58

Design standard EN 60730-2-7

Control Pollution Situation Degree 2

Rated Impulse Voltage 2.5kV

Ball Pressure Test 75°C

Product speciﬁcation

Speciﬁcation

Installation Instructions

For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]

Installation

1. Fix the wallplate to the wall or ﬂush 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 ﬂush mounted box, cables can enter

from the rear through the aperture in the wallplate.

3. For mains voltage applications a link must be ﬁtted

between terminals L, 2 and 5.

4. Whilst the unit does not require an Earth connection,

a terminal is provided on the wallplate for Earth

continuity purposes.

Leave at

least 25mm

below

product

Rear entry

cable access

Cable aperture

knockouts

Wall or

plasterbox

ﬁxing

Terminal

block

Outline of

programmer

Leave sufﬁcient space

for screwdriver access

C/L

Installation

For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]

5. Referring to the wiring diagrams on page 6-12,

connect the unit as shown.

6. The unit is supplied ready for use in systems having

PUMPED primaries.

Should the unit be required for use in a system having

GRAVITY primaries, ﬁt the small plastic shorting link

(which can be found taped below the left hand ﬁxing

screw hole of the wallplate) over the two pins on the

rear of the plug-in module. These pins can be found in

the recess near to the bottom edge of the plug-in

module.

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

8. 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

ﬁxing screws to secure the unit to the wallplate.

9. Before setting the programme, check the unit and

circuit.

Switch ON the mains supply and press both WATER

and HEATING rocker switches to the CONSTANT

position - both red LED’s should now be illuminated.

Adjust any remote thermostat to check the services

operate correctly.

10. Then press both WATER and HEATING rocker

switches to the OFF position and check that both

services do not operate.

11. Finally, press both WATER and HEATING rocker

switches to TIMED position prior to programming the

unit.

Installation

For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]

Wiring Diagrams

The following pages contain typical wiring diagrams for

various types of systems.

Note: Whilst every attempt has been made to ensure the accuracy of this

information it is recommended that the speciﬁc information relating to the

ancillary controls is obtained from the manufacturers concerned.

SET2E, 3E, 3M &FP975 (3059 12/01)

SET3M

Wiring

For mains voltage applications a link must be ﬁtted

between terminals L, 2 and 5.

For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]

Wiring - Gravity systems

SET3M Gravity

Typical gravity DHW pumped HTG

Boiler Pump

NL123456

Terminals

Mains

Supply

3 amp fuse

Room Sta

D.H.W

on-com-off

HTG

/ on-com-off

Other Danfoss Randall products suitable for use with above circuit:-

RMT room thermostat

For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]

SET3M Pumped

Typical fully pumped system with spring return

zone valve in HTG

Other Danfoss Randall products suitable for use with above circuit:-

AT cylinder thermostat;

RMT room thermostat;

HP22 or HP28 motorised zone valve with spring return actuator and SPST

auxiliary switch

Wiring - pumped systems

Boiler

and

Pump

S.R.Z.V

HTG

NL123456

Terminals

Mains

Supply

3 amp fuse

Room Stat

D.H.W

on-com-off

HTG

/ on-com-off

Cylinder

Stat

For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]

Typical gravity DHW pumped HTG with spring

return zone valve in DHW

Other Danfoss Randall products suitable for use with above circuit:-

AT cylinder thermostat;

RMT room thermostat;

HP28C motorised zone valve with spring return actuator and SPDT auxiliary

switch

Wiring - pumped systems

S.R.Z.V

DHW

NL123456

Terminals

Mains

Supply

3 amp fuse

Room Stat

D.H.W

on-com-off

HTG

/ on-com-off

Cylinder

Stat

Boiler

Pump

For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]

Typical fully pumped system with 3-port mid-

position valve

Other Danfoss Randall products suitable for use with above circuit:-

AT cylinder thermostat;

RMT room thermostat;

HS3 3-port mid-position valve with spring return actuator

Wiring - pumped systems

Boiler

and

Pump

3-port

mid-position

valve

NL123456

Terminals

Mains

Supply

3 amp fuse

Room Stat

D.H.W

on-com-off

HTG

/ on-com-off

Cylinder

Stat

For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]

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