VL SERIES STEAMERS
Pa
e 3 of 88
Direct Steam Models ................................................................ 34
Re
enerated Steam (Older Models) ..................................................... 34
Heater Contactors .................................................................. 34
Heatin
Elements .................................................................. 34
Thermal Switch - Prevent and Automatic Models ........................................... 36
Water Level Gau
e Assembly ......................................................... 36
Steam Gate Valve(s) ................................................................ 37
ELECTRICAL OPERATION .............................................................. 38
Water Level Controls ................................................................ 38
Solid State - Low Level Cut-off & Differential Control .................................... 38
Electro Mechanical - Low Level Cut-off & Differential Control .............................. 40
Sequence of Operation .............................................................. 42
Gas Models ................................................................... 42
Electric Models ................................................................. 45
Schematics, Gas Steamers, Boiler Controls
VL2G AND VL3G - Prevent, Automatic, Standard and Manual ............................. 49
Manual I
nition, Standard Controls .............................................. 49
Electronic I
nition, Standard Controls ............................................ 50
Manual I
nition, Csd-1 Code Controls ............................................ 51
Electronic I
nition, Csd-1 Code Controls .......................................... 52
Wirin
Dia
rams, Gas Steamers, Boiler Controls
VL2G AND VL3G - Prevent, Automatic, Standard and Manual ............................. 54
Manual I
nition, Standard Controls .............................................. 54
Electronic I
nition, Standard Controls ............................................ 56
Manual I
nition, Csd-1 Code Controls ............................................ 58
Electronic I
nition, Csd-1 Code Controls .......................................... 60
Schematics, Electric Steamers, Boiler Controls
VL2E AND VL3E - Prevent, Automatic, Standard and Manual ............................. 62
Auto Blowdown, Standard Controls .............................................. 62
Auto Blowdown, Cal-code Controls .............................................. 63
Wirin
Dia
rams, Electric Steamers, Boiler Controls
VL2E AND VL3E - Prevent, Automatic, Standard and Manual ............................. 64
Auto Blowdown, Standard Controls (Contactor - 1 Std.) .............................. 64
Auto Blowdown, Standard Controls (Contactors - 2 Std.) .............................. 66
Manual Blowdown, Cal-code Controls (Contactors - 1 Std. 1 Aux.) ...................... 68
Auto Blowdown, Cal-code Controls ( Contactors - 1 Std. 1 Aux.) ........................ 70
Auto Blowdown, Cal-code Controls (Contactors - 2 Std. 2 Aux.) ........................ 72
Manual Blowdown, Cal-code Controls (Contactors - 2 Std. 2 Aux.) ...................... 74
Wirin
Dia
rams, Electric Heater Circuits
VL2E AND VL3E - Prevent, Automatic, Standard and Manual ............................. 76
Schematic and Wirin
Dia
rams, Direct Steamers, Cabinet Base
VL2D AND VL3D - Prevent, Automatic, Standard and Manual ............................. 77
Wirin
Dia
rams, Re
enerated Steamers, Boiler Controls
VL2R AND VL3R - Prevent, Automatic, Standard and Manual ............................. 78
Schematic and Wirin
Dia
rams - Compartment Controls .................................... 80
Prevent ...................................................................... 80
Automatic..................................................................... 81
Standard ..................................................................... 82
Manual ....................................................................... 83
TROUBLESHOOTING .................................................................. 84
© VULCAN 1999
