Instructions
PCVD, PCVSAD
2 | © Danfoss | 2016.05
VI.JA.C3.5B
1
Safety Notes
.......................................................
3
2
Definition of Application
.............................
3
3 Description
...........................................................
4
3.1 Construction
......................................................... 4
3.2 Mode of Operation ............................................ 4
4
Technical Data
...................................................
4
5
Scope of Delivery
..............................................
5
6 Assembly
..............................................................
6
6.1 Prior to Assembly ................................................ 6
6.2 Installation Position ........................................... 6
6.3 When Installing observe ................................... 6
6.4 Impulse Tube Installation ................................. 6
6.5 Insulation
............................................................... 6
6.6 Installation Scheme ............................................ 7
6.7 Assembly Drawings, Dimensions ................. 8
7 Start-up
................................................................
10
7.1 Required Static Pressure, Pressure
Difference ............................................................ 10
7.2 Leak and Pressure Tests .................................. 10
7.3 Filling the System .............................................. 10
7.4 Start-up
................................................................. 10
7.5 Putting out of Operation ............................... 10
7.6 Adjustment of the Setpoint .......................... 11
7.7 Sealing
.................................................................. 11
7.8 Function Test ...................................................... 11
8
Trouble Shooting
...........................................
12
8.1 Fault, Possible Cause, Remedy ..................... 12
8.2 Diaphragm Break of
the Controller SAVD ......................................... 12
9
Replacement of Valve,
Actuator, Trim
..................................................
13
9.1 Dismounting and Mounting Actuator
and Valve of the Valve Unit ........................... 13
9.2 Replacement of Trim Valve VFG 2 ............... 14
9.3 Dismounting,
Mounting Actuator AVD, SAVD .................... 14
9.4 Replacement of
Trim Valve AVD, SAVD ...................................... 15
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