Danfoss Pilot-controlled PCVQ, Instructions Manual

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Instructions
Pilot-controlled PCVQ
DN 100 - DN 250
PN 16 / PN 25
73696700
DH-SMT/SI
VI.JA.G2.02
© Danfoss 11/2006
1
Table of Contents
1 Safety Notes ...................................................... 2
2 Definition of Application ............................ 2
3 Description .......................................................... 2
3.1 Construction ......................................................... 2
3.2 Mode of Operation ........................................... 2
4 Technical Data .................................................. 3
5 Scope of Delivery ............................................. 3
6 Assembly ............................................................. 4
6.1 Prior to Assembly ............................................... 4
6.2 Installation Position,
Installation Place ................................................ 4
6.3 When Installaling observe ............................. 4
6.4 Impulse Tube Installation ................................ 4
6.5 Insulation .............................................................. 4
6.6 Installation Scheme ........................................... 5
6.7 Assembly Drawings, Dimensions ................ 6
7 Start-up
..................................................................
8
7.1 Required static Pressure .................................. 8
7.2 Leak and Pressure Test ...................................... 8
7.3 Filling the System ............................................... 8
7.4 Start-up .................................................................. 8
7.5 Putting out of Operation ................................. 8
7.6 Flow Rate Adjustment ...................................... 9
7.7 Flow Adjusting Curves ................................... 10
7.8 Sealing ................................................................. 12
7.9 Adjustement of the Throttle Valves .......... 12
7.10 Function Test ..................................................... 12
8 Trouble Shooting ......................................... 13
9 Replacement of Valve,
Actuator, Trims
.............................................. 14
9.1 Dismounting and
Mounting Actuator Valve ............................. 14
9.2 Replacement of Trim Valve VFQ 21 ........... 16
9.3 Dismounting,
Mounting Actuator AVP-F ............................ 17
9.4 Replacement of Trim Valve AVP-F .............. 17