Danfoss 103E5 Uživatelský manuál stáhnout pdf (Strana 5)

This was a design initiated by British Gas that sought to overcome the limitations of having just 6 terminals. It did

not become generally adopted but can be found on the Danfoss Randall SET range as well as on some Horstmann

models.

Danfoss Randall MK3 Wall Plate (Fig. 8)

Fig. 8. Wall Plate for MK3 electro-mechanical basic programmers.

MK3 programmers were among the first Randall time controls and many are still in use today. For users who do

not wish to change them, Danfoss Randall can supply Factory Replacement Units (FRU’s) that simply plug into

the existing wall plate. Upgrading to an electronic programmer will necessitate changing the wall plate.

Danfoss Randall MK9 Wall Plate (Fig. 9)

Fig. 9. Wall Plate for MK9 electronic programmers and their TS975/FP975 replacements..

Where Randall MK9 programmers (now obsolete) need to be replaced, current models TS975 (time switch) and

FP975 (full programmer) can be fitted on to the original wall plates. The new controls must be set in ‘MK9 Mode’.

PROGRAMMING

For time controls to perform their function, the following information needs to be entered into them: -

The TIME of day

The actual DAY (applies to weekday/weekend and 7 day models only)

A programme of On/Off switching times.

Then, for each output circuit, the following options can usually be selected: -

On (all the time)

Off (all the time)

Timed (set programme) or

Allday (first On till last Off)

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Danfoss 103E5 Uživatelský manuál Strana 5