Danfoss 4033 Guida

4033

Installation & User Instructions

electro-mechanical

programmer for controlling

heating & hot water

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INDEX

Index

Installation

Product speciﬁcation 3

Installation 4-5

Wiring 6-7

User

Your programmer 8

Programming the unit 8-9

Setting the clock 9

Using the programmer 10-11

Contact details 12

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

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

Product speciﬁcation

Installation Instructions

Speciﬁcation

Installation

1. Unscrew ﬁxing rings from selector switches, move all

four tappets to top of dial and remove outer case.

2. Slacken two screws securing plug-in module to

backplate and separate module from backplate by

pulling upwards.

3. Fix backplate to wall (3 hole ﬁxing).

4. Wire mains, motorised valve(s), thermostat(s)

according to instructions shown on page 6-7.

5. Secure cables under clamp bar.

6. Ensure all dust and debris has been cleared away

from the area then plug in programmer module and

re-tighten the 2 retaining screws - do not overtighten.

7. Switch on mains, turn both selector switches to

‘ON’ and light up boiler according to manufacturer’s

instructions.

8. With both room and cylinder thermostats turned up to

maximum, check the switching action of the 4033 with

a neon screwdriver or test lamp.

NOTE: This is a Class 1 product and must be earthed.

WATER SWITCH

(a) With selector switch in ON position, terminal 4

should be LIVE.

(b) With selector switch in OFF position, terminal 5

should be LIVE.

4 should be LIVE between tappets A-B and C-D

and terminal 5 should be LIVE between tappets

B-C and D-A.

HEATING SWITCH

(d) With selector switch in ON position, terminal 2

should be LIVE.

(e) With selector switch in OFF position, terminal 3

should be LIVE.

(f) With selector switch in TIMED position, terminal

2 should be LIVE between tappets A-B and C-D

and terminal 3 should be LIVE between tappets

B-C and D-A.

9. Remove cut-out from bottom of outer case as

required. Reﬁt outer case and selector switch ﬁxing

rings. Check that outer case sits squarely on body and

is not distorted by an uneven wall surface.

10. Rotate dial clockwise through at least one complete

revolution and check that all four tappets are clear of

outer case aperture.

11. Ease of installation can be achieved by the use of the

Danfoss Randall Wiring Centre which is obtainable

from most Builders Merchants and Distributors.

NOTE: If a Wiring Centre is used follow the

installation instructions included with that

unit and not the wiring diagrams overleaf.

Installation

Wiring

4033 (3023 12/01)

1 2345678910

S/L LN

Brown

Orange

Grey

Blue

Danfoss Randall

HP22 or HP28

Brown

Orange

Grey

Blue

Danfoss Randall

HP22 or HP28

Flying lead Flying

lead

(N)

1234567

Danfoss Randall

ATC Cylinder Stat

3 core

2 core3 core

Danfoss

Randall

RMT230

Room Stat

4033

Terminals

Mains

Supply

2 core +

3 or 4 core

Boiler Pump

Permanent line

supply for boiler

if required

WB12 Wiring Box

WIRING - 2 X 2 PORT VALVES

4033 PROGRAMMER WIRING

Wiring

12345674033

Terminals

Mains

Supply

Boiler Pump

Junction Box

Blue

Grey

Orange

Brown/White

Danfoss

RMT

Room Stat

Danfoss

Randall ATC

Cylinder Thermostat

Danfoss

Randall

HS3 mid

position

valve

WIRING - 1 X MID-POSITION VALVE

User Instructions

Your programmer

The 4033 programmer allows you to switch your hot water

and heating on and off at times that suit you.

Four tappets on the timing dial let you decide when you

want your hot water and heating to come on and go off

each day. The programmer provides 2 ON times and 2

OFF times per day.

Using two simple switches you can run your Heating and

Hot Water independently of each other, either at the set

times, constantly ON, constantly OFF.

Your Programmer & Programming the unit

Programming the unit

There are four TAPPETS on your timing dial, two red and

two blue:

 the red tappets are the ON switches

 the blue tappets are the OFF switches

1. Hold the central black &

silver knob with one hand

and move the red tappet

marked ‘A’ clockwise to

the time you want your

HEATING/HOT WATER to

switch on in the morning.

NB. you may ﬁnd the tappets quite stiff, so you may

have to push them quite ﬁrmly to move them.

Setting the clock

2 Still holding the central knob, move the blue tappet

marked ‘B’ to the time you want your HEATING/HOT

WATER to switch off in the morning.

3 You can set your other two tappets in the same way

to set your HEATING/HOT WATER for the afternoon

or evening.

EXAMPLE

(NB. Clock is in 24 hour mode)

If you want your heating and hot water ON between

7am and 10am and ON again between 5pm and

11pm, set tappets as follows:

A at 1st ON time = 7

B at 1st OFF time = 10

C at 2nd ON time = 17

D at 2nd OFF time = 23

Setting the Clock

Turn the dial clockwise

until the correct time

is lined up with the dot

labelled TIME

NB. clock is in 24 hour

mode

REMEMBER

You will have to reset the time after a power

cut and also when the clocks change in

Spring and Autumn

Using the Programmer

The 2 switches are used to select how the 4033 controls your

hot water and heating. The heating and hot water can be

operated independently, in various combinations.

Each of the selector switches can be put into one of three

positions marked ‘TIMED’, ‘OFF’ and ‘ON’. They operate

completely independently of one another, letting you select

different programmes for each service.

HEATING switch

 TIMED - the Heating will be switched ON and OFF

according to the times at which the tappets have been

set.

 OFF - the Heating will ignore the tappet positions and

remain OFF (this enables the heating to be switched off

during the Summer).

 ON - the Heating will be ON constantly. This enables

you to switch the Heating ON during a period when the

time clock is off.

Using the programmer

OFF

TIMED

OFF

HEATING WATER

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