Viessmann SCU224 Instrukcja Obsługi Pobierz pdf (Strona 10)

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SCU224

backward

forward

SET

(selection / adjustment mode)

The system monitoring display consists of 3 blocks: indica-

tion of the channel, tool bar and system screen (active

system scheme).

The indication channel consists of two lines. The upper

line is an alphanumeric 16-segment indication in which mainly

the channel names / menu items are shown. In the lower

7-segment indication, the channel values and the adjustment

parameters are indicated.

Temperatures are either indicated in °F or °C, whereas

temperature differences are indicated in K or °Ra respec-

tively.

2.2.1 Channel indication

indication channel only

2.2.2 Tool bar

The additional symbols of the tool bar indicate the current

system status.

tool bar only

2. Operation and function

2.1 Pushbuttons for adjustment

2.2 System monitoring display





Full Monitoring-Display

Symbol standard blinking

relay 1 active

relay 2 active

maximum tank limitation

active / maximum tank

temperature exceeded

collector cooling function or

recooling function active

antifreeze- function activated

collector minimum limitation

or antifreeze function active

collector security shutdown or

tank securtiy shutdown active

sensor defect

manual operation active

an adjustment channel is

changed SET-mode

–

The controller is operated by 3 pushbuttons below the

display. The forward-key (+) is used for scrolling forward

through the indication menu or to increase the adjustment

values. The backwards-key (–) is accordingly used for the

reverse function.

For adjustment of last indication channel, keep button +

pressed for 2 seconds. If an adjustment value is shown on

the display, SEt is indicated. In this case you can press the

key „Set“ (OK) in order to change into input mode.

Select a channel by keys – and +

Shortly press key OK, so that „SEt“ ﬂashes

Adjust the value by keys – and +

Shortly press key OK, so that „SEt“ permanently appears,

the adjusted value is now saved.

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