Vapac LEC05 - Default Chapter; Table of Contents

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CONTENTS
1.0 Installation. ................................................................................................................................................... 4
1.1 Vapac LE unit dimensions ............................................................................................................................. 4
1.2 Positioning the steam pipes ...................................................................................................................... 6
1.2.1 General ................................................................................................................................................. 6
1.2.2 Steam Hose Connection ....................................................................................................................... 6
1.3 Plumbing Considerations. ........................................................................................................................ 7
1.4 Electrical Connections .............................................................................................................................. 8
1.4.1 Important E.M.C. Considerations ........................................................................................................ 8
1.4.2 Power Supply Connection .................................................................................................................... 8
1.4.2 Power Supply Connection .................................................................................................................... 9
1.4.2.1 Volt free alarm outputs ......................................................................................................................... 9
1.4.2.2 Unit control terminals ........................................................................................................................... 9
1.4.3 Electrical Connections ........................................................................................................................ 10
1.4.4 Cable Entry Provision ........................................................................................................................ 10
1.4.5 Vapac Control Circuit Transformer .................................................................................................... 10
1.5 Cylinder Electrical demand loads ........................................................................................................... 11
1.6 Control Circuit Connections ................................................................................................................... 12
1.6.1 Control Circuit Wiring ....................................................................................................................... 12
1.6.2 Proportional Control ........................................................................................................................... 12
1.6.3 Control Signal Selection ..................................................................................................................... 12
1.6.4 On/Off Control ................................................................................................................................... 12
1.6.5 Sensing Head ...................................................................................................................................... 13
1.6.6 Security Circuit / E.P.O. Shutdown .................................................................................................... 13
1.6.7 Load Shed Option ............................................................................................................................... 13
1.6.8 Master/Slave System .......................................................................................................................... 14
2.0 Start-Up / Operation ................................................................................................................................... 14
2.0 Start-Up / Operation ................................................................................................................................... 15
2.0.1 Start-up check list ............................................................................................................................... 15
2.0.2 Start-Up Instructions .......................................................................................................................... 15
2.0.3 Commissioning/Start-Up .................................................................................................................... 15
2.0.4 Features of VAPANET Electode Boiler Unit ..................................................................................... 15
2.1 Service Advice ....................................................................................................................................... 16
2.1.1 Procedure for cylinder Exchange. ...................................................................................................... 16
2.1.2 Typical Cylinder / Electrode Layouts ................................................................................................. 16
2.2.1 Feed Valve with Strainer .................................................................................................................... 17
2.2.2 Drain Pump ........................................................................................................................................ 17
3.0 Indicators .................................................................................................................................................... 18
3.1 User LED ............................................................................................................................................... 18
3.2 Fascia Label symbols ............................................................................................................................. 19
3.3 Other Options ......................................................................................................................................... 19
4.0 Trouble-shooting Check List ...................................................................................................................... 20
5.0 Wiring diagram .......................................................................................................................................... 21
Appendix 1. ............................................................................................................................................................ 28
A Guide to Positioning Steam Pipes: ................................................................................................................. 28
Appendix 2 ............................................................................................................................................................. 29
Appendix 2 ............................................................................................................................................................. 30
A Guide to Positioning Multipipes: .................................................................................................................... 30