Algas SDI VAPORAIRE M-Series, Руководство по эксплуатации и техническому обслуживанию

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Table of Contents
1. Introduction .................................................................................................................................................... 1-1
General ............................................................................................................................................................ 1-1
DESCRIPTION ................................................................................................................................................ 1-1
MIXER OPERATION - LPG-VAPOR/AIR MIXING PROCESS .......................................................................... 1-2
LPG-Vapor/Air Mixing Process ........................................................................................................................ 1-2
Figure 1 - VAPORAIRE Mixing System Components ................................................................................. 1-3
Figure 2 - VAPORAIRE with Surge/Accumulator Tank Configuration ......................................................... 1-4
Figure 3 - VAPORAIRE M-Series Mixing System Components .................................................................. 1-5
Major Components of a Vaporaire M-Series Mixer ......................................................................................... 1-5
Figure 4 - VAPORAIRE M-Series Configuration ......................................................................................... 1-6
Figure 5 - Single Venturi Control Box .......................................................................................................... 1-7
Figure 6 - 8100 Sequencer Control Box ...................................................................................................... 1-8
Control Box Components for Mixers using the Sequencer ............................................................................. 1-9
Figure 7 - SEQUENCER Diagram ............................................................................................................. 1-10
Figure 8 - 2080-TRIMPOT6(C), 6 Channel Potentiometer (Pot.) .............................................................. 1-11
Figure 9 - 2080-IF2, Analog Input Module(D) ............................................................................................ 1-11
2. Installation .................................................................................................................................................... 2-13
Figure 10 - Typical VAPORAIRE Installation Drawing .............................................................................. 2-14
Figure 11 - Typical VAPORAIRE M-Series Installation Drawing ............................................................... 2-15
Installation Instructions for all LPG-Air/Vapor Mixers .................................................................................... 2-16
Mixed Gas Outlet Installation for VAPORAIRE M-Series ................................................................................. 2-17
Surge/Accumulator Tank Requirements for Vaporaire M-Series Mixers ...................................................... 2-17
Surge/Accumulator Tank Sizing Formula ...................................................................................................... 2-17
Surge/Accumulator Tank Sizing .................................................................................................................... 2-18
Table 4 - Surge/Accumulator Tank Requirements .................................................................................... 2-18
3. Startup .......................................................................................................................................................... 3-19
4. Operation ...................................................................................................................................................... 4-21
SINGLE VENTURI SYSTEMS .......................................................................................................................... 4-22
Mixer Operation ............................................................................................................................................. 4-22
Mixed Gas Operating Pressure Adjustments ................................................................................................ 4-22
High Mixed Gas Pressure Safety Switch ...................................................................................................... 4-23
Low Vapor Pressure Switch .......................................................................................................................... 4-23
MULTIPLE VENTURI SYSTEM ........................................................................................................................ 4-24
SEQUENCER Operation ............................................................................................................................... 4-24
Venturi Sequencing ....................................................................................................................................... 4-24
PLC Controller LED Indicators and Mode Switch ......................................................................................... 4-25
Analog Input Module(s) ................................................................................................................................. 4-25
Mixed Gas Pressure Transmitter ................................................................................................................... 4-25
Memory Module: ............................................................................................................................................ 4-26
Discrete Inputs ............................................................................................................................................... 4-27
Table 1 - Discrete Inputs ............................................................................................................................ 4-27
Optional Alarm Inputs #1 to #3 ...................................................................................................................... 4-27
Discrete Output .............................................................................................................................................. 4-28
Pressure Adjustments ................................................................................................................................... 4-28
Mixed Gas Operating Pressure Control Setpoint: Trimpot MODULE(c) ...................................................... 4-28
Table 2 - Mixed Gas Pressure and Setpoint Ranges ................................................................................ 4-29
High Mixed Gas Pressure Switch .................................................................................................................. 4-29
High Mixed Gas Pressure Safety Backup (no adjustment required) ............................................................. 4-29
Low Vapor Pressure Switch .......................................................................................................................... 4-30
LPG/Air Venturi Type Mixers ............................................................................................................................ 4-31
Figure 12 - LPG/Air Venturi Assembly Diagram ........................................................................................ 4-31
Venturi Motive Pressure ................................................................................................................................ 4-32
Venturi Motive Pressure Adjustment................................................................................................................. 4-32
Adjusting the Heating Value of the Mixed Gas .............................................................................................. 4-32
Adjusting the Heating Value of the Mixed Gas with Individual Regulators ................................................... 4-32
Adjusting the heating Value of the Mixed Gas with a Single Regulating Station .......................................... 4-33
Figure 13 - Typical Venturi Performance Curve ........................................................................................ 4-34