Danfoss 3020P User guide

3020P electro-mechanical

24 hour timeswitch with auxiliary heating switch

Installation & User Instructions

This product complies with the following EC Directives:

Electro-Magnetic Compatibility Directive.

(EMC) (2004/108/EC)

Low Voltage Directive.

(LVD) (2006/95/EC)

Index

Installation

Product specification	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

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Installation Instructions

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.

Product specification

Specification

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

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Installation

	1.	Unscrew fixings 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 fixing).
	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.
		Refit outer case and selector switch fixing rings.
<![if ! IE]> <![endif]>Installation		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.

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