Model 3020P.pdf

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3020P
electro-mechanical
24 hour timeswitch with
auxiliary heating switch
Installation & User Instructions
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Index
Installation
Product specifi cation
3
Installation
4
Wiring
5-6
User
Your timeswitch
7
Programming the unit
7-8
Setting the clock
8
Using the timeswitch
9
Contact details
12
2
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Installation Instructions
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.
Product specifi cation
Specifi cation
Power supply
230 ± 15% Vac, 50/60Hz
Switch action
1 x SPST, type 1B
Switch rating
Max 264 Vac, 50/60Hz, 3(1) A
Timing accuracy
± 1 min/month
Enclosure rating
IP30
Max. ambient temperature
55°C
Dimensions, mm (W, H, D)
102 x 210 x 60
Design standard
EN 60730-2-7
Construction
Class 1
Control Pollution Situation
Degree 2
Rated Impulse Voltage
2.5kV
Ball Pressure Test
75°C
3
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Installation
1.
Unscrew fi xings rings from selector switches, move all
four tappets to top of dial and remove outer case.
2.
Slacken the two screws securing the plug-in module
to backplate and separate module from backplate by
pulling upwards.
3.
Fix backplate to wall (3 hole fi xing).
4.
Referring to wiring diagrams on pages 5 and 6 make
electrical connections as shown (as applicable).
5.
Secure cables under cable clamp.
6.
Ensure all dust and debris has been cleared away
from the area then plug in timeswitch module and re-
tighten the 2 retaining screws - do not overtighten.
7.
Remove cut out from bottom of outer case as required.
Refi t outer case and selector switch fi xing rings.
Check that outer case sits squarely on body and is not
distorted by an uneven wall surface.
8.
Rotate dial clockwise through at least one complete
revolution and check that all four tappets are clear of
outer case aperture.
9.
Switch on mains, turn main selector switch to ‘ON’ and
light boiler according to manufacturer’s instructions.
Operate Heating Switch to check pump/fan.
10. Turn main selector switch to ‘TIMED’ and rotate dial
clockwise manually through at least one complete
revolution to check that each tappet strikes the index
wheel cleanly and operates the boiler/pump correctly
according to the times set on the dial.
4
Wiring
!
Terminals 3 and 5 are not internally connected to
the programmer and may therefore be used as
spare wiring terminals if required.
5
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