2
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
