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]
2
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
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3
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
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4
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
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]
6
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]
7
Wiring - Gravity systems
SET3M Gravity
Typical gravity DHW pumped HTG
Boiler Pump
N
NL123456
Terminals
Mains
Supply
3 amp fuse
Room Sta
t
N
L
D.H.W
on-com-off
HTG
/ on-com-off
N
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]
8
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
in
HTG
N
NL123456
Terminals
Mains
Supply
3 amp fuse
Room Stat
N
L
D.H.W
on-com-off
HTG
/ on-com-off
Cylinder
Stat
N
For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]
9
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
in
DHW
NL123456
Terminals
Mains
Supply
3 amp fuse
Room Stat
N
L
D.H.W
on-com-off
HTG
/ on-com-off
Cylinder
Stat
N
Boiler
N
Pump
N
For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]
10
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
N
NL123456
Terminals
Mains
Supply
3 amp fuse
Room Stat
N
L
D.H.W
on-com-off
HTG
/ on-com-off
Cylinder
Stat
N
For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]
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