Wika DPT-10 Uživatelský manuál stáhnout pdf (Strana 67)

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IIIIII

Fig. 50: Preferred installation for liquids

I DPT10

II 3-fold valve block

III Precipitator

1.5 Drain valves

2.4 Inlet valves

3 Breather valve

6, 7 Vent valves on DPT10

A, B Blocking valves

Proceed as follows:

1 Close valve 3

2 Fill measuring system with medium.

Open valves A, B, 2, 4: Medium ﬂows in.

If necessary, clean the diﬀerential pressure lines: - with gases by

blowing out with compressed air - with liquids by rinsing.

Close valve 2 and 4, block the instrument

Open valve 1 and 5

Close valve 1 and 5

3 Remove air from instrument:

Open valves 2 and 4: Medium ﬂows in

Close valve 4: Minus side will be closed

Open valve 3: Equalisation plus and minus side

Brieﬂy open valve 6 and 7, then close again: Fill the measuring

instrument completely with the medium and remove air

4 Put measurement loop into operation:

Close valve 3: Separate plus and minus side

Arrangement with 5 valves.

Installation for liquids

Prepare the adjustment

Diﬀerential pressure transmitter DPT10 - metal measuring diaphragm • Proﬁbus PA 67

8 Set up

37245-EN-100120

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 95 96

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Wika DPT-10 Uživatelský manuál Strana 67