CONTENTS
1.0 Installation. ................................................................................................................................ 4
1.1 Positioning the Vapac LR unit ................................................................................................... 4
1.1.1 Vapac LR unit dimension layout ............................................................................................ 4
1.1.2 LR weights ............................................................................................................................. 7
1.2 Positioning the steam pipes ...................................................................................................... 7
1.2.1 General .................................................................................................................................. 7
1.2.2 Steam Hose Connection ....................................................................................................... 7
1.3 Plumbing Considerations. ......................................................................................................... 8
1.4 Electrical Connections .............................................................................................................. 9
1.4.1 Important E.M.C. Considerations ......................................................................................... 9
1.4.2 Power Supply Connection ................................................................................................... 10
1.4.2.1 Volt free alarm outputs ........................................................................................................ 10
1.4.2.2 Unit control terminals ........................................................................................................... 10
1.4.3 Electrical Connections ......................................................................................................... 11
1.4.4 Cable Entry Provision .......................................................................................................... 11
1.4.5 Vapac Control Circuit Transformer ...................................................................................... 11
1.4.6 RDU Connection.................................................................................................................. 11
1.4.7 Cylinder Electrical demand loads ........................................................................................ 12
1.5 Control Circuit Connections .................................................................................................... 13
1.5.1 Control Circuit Wiring .......................................................................................................... 13
1.5.2 Proportional Control ............................................................................................................ 13
1.5.3 Control Signal Selection ...................................................................................................... 13
1.5.4 On/Off Control ..................................................................................................................... 13
1.5.6 Security Circuit / E.P.O. Shutdown ...................................................................................... 14
1.5.7 Load Shed Option................................................................................................................ 14
1.5.8 Master/Slave System .......................................................................................................... 15
2.0 Start-Up / Operation ................................................................................................................ 16
2.0.1 Start-up check list ................................................................................................................ 16
2.0.2 Start-Up Instructions ............................................................................................................ 17
2.0.3 Commissioning/Start-Up ..................................................................................................... 17
2.0.4 Features of VAPANET Resistance Heater Unit .................................................................. 17
2.1 Service Advice ........................................................................................................................ 18
2.1.1 Cylinder Inspection. ............................................................................................................. 18
2.2.1 Feed Valve with Strainer ..................................................................................................... 19
2.2.2 Drain Pump .......................................................................................................................... 19
3.0 Location of Indicators and Controls ....................................................................................... 20
3.1 Positioning of Indicators and controls on Vapac ® Vapanet ® LR Units. ............................... 20
3.2 Initial Set-up ............................................................................................................................ 21
3.3 Normal Run / Standby / Start-up – No User Intervention Required ........................................ 22
3.4 Fault / Service Indications – Requiring Operator Intervention. ............................................... 23
3.4.1 To Postpone the Sevice: ..................................................................................................... 24
3.4.2 To Service the unit: ............................................................................................................. 24
3.5 Other Options .......................................................................................................................... 25
3.6 Use with LRO unit................................................................................................................ 25
4.0 Trouble-shooting Check List ................................................................................................... 26
5.0 Wiring Diagram ....................................................................................................................... 27
Appendix 1.
A Guide to Positioning Steam Pipes: ................................................................................................. 41
Appendix 2.
A Guide to Positioning Multipipes: ..................................................................................................... 43
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