Emerson Rosemount 2051 Wireless Pressure Transmitters Manuel d'utilisateur Page 65

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 154
  • Table des matières
  • DEPANNAGE
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 64
53
Reference Manual
00809-0100-4102, Rev AA
Section 3: Installation
May 2013
Installation
3. Open the equalize valve on
the low pressure
(downstream) side of the
transmitter. The manifold is
now in the proper
configuration for zeroing the
transmitter.
Test
(Plugged)
Test
(Plugged)
Equalize
(open)
Process
Isolate
(closed)
Isolate
(open)
H
L
Process
Equalize
(open)
Drain Vent
(closed)
Test
(Plugged)
Test
(Plugged)
Equalize
(closed)
Process
Isolate
(closed)
Isolate
(open)
H
L
4. After zeroing the transmitter,
close the equalize valve on
the low pressure
(downstream) side of the
transmitter.
Process
Equalize
(open)
Drain Vent
(closed)
5. Close the equalize valve on
the high pressure (upstream)
side.
Test
(Plugged)
Test
(Plugged)
Equalize
(closed)
Process
Isolate
(closed)
Isolate
(open)
H
L
Process
Equalize
(closed)
Drain Vent
(closed)
6. Finally, to return the
transmitter to service, open
the low side isolation valve.
Test
(Plugged)
Test
(Plugged)
Equalize
(closed)
Process
Isolate
(open)
Isolate
(open)
H
L
Process
Equalize
(closed)
Drain Vent
(closed)
Vue de la page 64
1 2 ... 60 61 62 63 64 65 66 67 68 69 70 ... 153 154

Commentaires sur ces manuels

Pas de commentaire