Benutzerhandbuch Danfoss Klimaautomatik Sonstiges 851 [1/2 Seiten]

Danfoss Klimaautomatik Sonstiges 851

811 & 851

Seven Day Single Channel Electronic Timeswitch

INSTALLATION INSTRUCTIONS

The Model 811 or 851 timeswitch must be installed by

a competant electrician and the installation should

conform to IEE Wiring Regulations.

Installation & Wiring

1. Slacken the four ﬁ xing screws, one in each corner of the

unit, and carefully separate the front and rear portions.

Unplug the ribbon cable from the rear portion.

CAUTION: Do not allow either half of the unit to hang

by the ribbon cable as damage could be caused.

2. Remove the polystyrene packing piece from the top of

the transformer. It is marked ‘REMOVE’.

3. Select the desired ﬁ xing position and observe the label

‘THIS WAY UP’ inside the rear portion. The two halves will

only assemble correctly one way round.

4. Four ﬁ xing holes are provided for attaching the rear

portion to the wall or mounting surface.

Conduit box adaptors as shown below are available if

required.

Part No.: 8/3222 Square Conduit Box Adaptor

Part No.: 8/3223 Double Gang Surface Box Adaptor

5. Surface cable entries to the units can be made from

above, below or from the left hand side. Conduit or

recessed cable entry is through the aperture in the rear

moulding.

6. For surface cable entry remove the appropriate knock-

out and ensure one of the two cable clamps is positioned

correctly.

7. Connections to the units should be made as shown

below.

Model 811

Model 851

If the control circuit(s) are to operate at 240V then

terminals L & 1 must be linked, ensuring that the cable is

sheathed and of a size to carry the required load current.

If, however, the control circuit(s) are operating at other

than 240V then no link(s) should be ﬁ tted and in the

case of Model 811 both terminals 1 and 2 should be

connected to the load circuit; for Model 851 terminals

1, 2, and 3 (if required) should be connected to the load

circuit.

8. Upon completion of wiring plug in the ribbon cable

ensuring the polarised plug is fully inserted into socket,

reﬁ t the front half of the timeswitch ensuring the correct

alignment and that no cables are trapped before re-

tightening the screws.

Spare N L 1 2

240V, 50 Hz

Mains Supply

Link for 240V

control circuit

Output

(LOAD)

N L 6 5 4 3 2 1

240V, 50 Hz

Mains Supply

Link for 240V

control circuit

OFF ON

LOAD

Cable

Entry

Aperture

2 ﬁ xings for

double gang

surface box

Alternative 4 ﬁ xings

for double gang

surface box

4 ﬁ xings

for Mark 8

Timeswitch

Cable

Entry

Aperture

4 ﬁ xings for

existing square

conduit box

4 ﬁ xings

for mark 8

timeswitch

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