Table Of Contents - Danfoss PCVA Instructions Manual

Instructions
Table of Contents
2 | © Danfoss | 2016.06
PCVA, PCVSAA
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 SAVA. 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 21..............14
9.3 Dismounting, Mounting Actuator AVA,
SAVA ........................................................................14
9.4 Replacement of Trim Valve AVA, SAVA ..... 14
VI.JA.D2.5B