De Nora Capital Controls 71V3B Series Manuel utilisateur

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Instruction Manual

Series 71V3B

Electrically Heated Vaporizer

CAPITAL CONTROLS®

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These instructions describe the installation, operation and maintenance of the subject equipment. Failure to

strictly follow these instructions can lead to an equipment rupture that may cause signicant property damage,

severe personal injury and even death. If you do not understand these instructions, please call De Nora Water

Technologies for clarication before commencing any work at +1 215-997-4000 and ask for a Field Service Manager.

De Nora Water Technologies reserves the rights to make engineering renements that may not be described herein. It is the

responsibility of the installer to contact De Nora Water Technologies for information that cannot be answered specically by

these instructions.

Any customer request to alter or reduce the design safeguards incorporated into De Nora Water Technologies equipment

is conditioned on the customer absolving De Nora Water Technologies from any consequences of such a decision.

De Nora Water Technologies has developed the recommended installation, operating and maintenance

procedures with careful attention to safety. In addition to instruction/operating manuals, all instructions given on

labels or attached tags should be followed. Regardless of these eorts, it is not possible to eliminate all hazards from the

equipment or foresee every possible hazard that may occur. It is the responsibility of the installer to ensure that the recom-

mended installation instructions are followed. It is the responsibility of the user to ensure that the

recommended operating and maintenance instructions are followed. De Nora Water Technologies cannot be

responsible deviations from the recommended instructions that may result in a hazardous or unsafe condition.

De Nora Water Technologies cannot be responsible for the overall system design of which our equipment may be an

integral part of or any unauthorized modications to the equipment made by any party other that De Nora Water

Technologies.

De Nora Water Technologies takes all reasonable precautions in packaging the equipment to prevent shipping damage.

Carefully inspect each item and report damages immediately to the shipping agent involved for equipment shipped“F.O.B.

Colmar” or to De Nora Water Technologies for equipment shipped “F.O.B Jobsite”. Do not install damaged equipment.

De Nora Water Technologies, Colmar Operations

Colmar, Pennsylvania, USA

is ISO 9001: 2008 Certied

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Table of Contents

SAFETY SUMMARY........................................................................................................................................................... 5

READ FIRST ....................................................................................................................................................................... 6

1 INTRODUCTION ................................................................................................................................................................ 7

1.1 General Description ....................................................................................................................................................................................7

1.2 Model Numbering Breakdown ...............................................................................................................................................................8

1.3 Component Description......................................................................................................................................................................... 10

1.3.1 General...................................................................................................................................................................................... 10

1.3.2 Basic Vaporizer Unit .............................................................................................................................................................. 10

1.3.2.1 Water Chamber ............................................................................................................................................ 10

1.3.2.2 Vaporizing Chamber .................................................................................................................................. 10

1.3.2.3 Water Level Gauge...................................................................................................................................... 10

1.3.2.4 Electric Immersion Heater........................................................................................................................ 10

1.3.2.5 Magnetic Heater Contactor ..................................................................................................................... 10

1.3.2.6 Water Temperature Control ..................................................................................................................... 11

1.3.2.7 Controller Pre-Programmed Conguration....................................................................................... 11

1.3.2.8 Water High Temperature Switch............................................................................................................ 11

1.3.2.9 Low Water Level Switch............................................................................................................................. 12

1.3.2.10 Gas Temperature and Pressure Gauges............................................................................................... 12

1.3.2.11 Control Circuit Connection Box.............................................................................................................. 12

1.3.2.12 Cabinet............................................................................................................................................................ 12

1.3.3 Auxiliary Components......................................................................................................................................................... 12

1.3.3.1 Pressure Relief Valve................................................................................................................................... 12

1.3.3.2 Electrically Operated Pressure Reducing and Shut-O Valve...................................................... 12

1.3.3.3 Vent Blow-O Valve .................................................................................................................................... 13

1.3.3.4 Cathodic Protection.................................................................................................................................... 13

1.3.4 Optional Accessories............................................................................................................................................................ 13

1.3.4.1 Water Level Control Switch...................................................................................................................... 13

2 INSTALLATION ................................................................................................................................................................ 14

2.1 Electrical Interconnections.....................................................................................................................................................................15

2.2 Heater Connections ..................................................................................................................................................................................15

3 OPERATION..................................................................................................................................................................... 23

3.1 Checking Out the Gas Dispenser(s).................................................................................................................................................... 23

3.2 Filling the Water Chamber ..................................................................................................................................................................... 23

3.3 Electrical 24

3.4 Checking for Leaks and Placing in Operation................................................................................................................................. 24

3.5 Optional Water Level Control................................................................................................................................................................ 25

3.6 Controller Operation (LOVE Controller)............................................................................................................................................. 25

3.6.1 Changing the Temperature Setpoint ............................................................................................................................ 26

3.6.2 Changing the Temperature Units .................................................................................................................................... 27

3.6.3 Description of Menu Structure......................................................................................................................................... 27

3.6.4 Operation Menu..................................................................................................................................................................... 27

3.6.5 Initial Setting Menu .............................................................................................................................................................. 27

3.6.6 Regulation Menu ................................................................................................................................................................... 27

3.6.7 Controller Operation ............................................................................................................................................................ 29

3.7 Placing in Operation................................................................................................................................................................................. 29

3.8 Checking Vaporizer Performance........................................................................................................................................................ 30

3.9 Shutdown in the Event of a Leak......................................................................................................................................................... 31

3.10 Shutdown for Non-Extended Periods................................................................................................................................................ 32

3.11 Shutdown for Servicing or Extended Periods ................................................................................................................................ 32

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4 MAINTENANCE ............................................................................................................................................................... 33

5 SULFUR DIOXIDE APPLICATIONS .................................................................................................................................. 40

Certicate of Conformity............................................................................................................................................... 43

FIGURES

1 Sectional Diagram....................................................................................................................................................................................... 9

2 Typical Installation ....................................................................................................................................................................................16

3 Water Supply Piping.................................................................................................................................................................................16

4 Outline & Mounting Dimensions, 12 kW & 15 kW Heaters.........................................................................................................17

5 Outline & Mounting Dimensions, 18 kW Heater............................................................................................................................18

6 Interconnection & Wiring Diagrams for Vaporizers with Integral Magnetic Heater

Contactor and LOVE Controller ..........................................................................................................................................................19

7 Interconnection & Wiring Diagram for Vaporizers with Remote Magnetic Heater

Contactor and LOVE Controller ............................................................................................................................................................20

8 Interconnection & Wiring Diagram for Vaporizers with Integral Magnetic Heater

Contactor & Water Level Control and LOVE Controller ...............................................................................................................21

9 Typical Interconnection Wiring Diagrams for Vaporizers with Remote Magnetic

Heater Contactor & Water Level Control and LOVE Controller..................................................................................................22

10 Temperature Controller Controls & Indicators (LOVE Controller) ............................................................................................26

11 Controller Operation Label....................................................................................................................................................................29

12 Chlorine: Temperature - Pressure Relationship ..............................................................................................................................37

13 Sulfur Dioxide: Temperature - Pressure Relationship ...................................................................................................................38

14 Ammonia: Temperature - Pressure Relationship............................................................................................................................39

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SAFETY SUMMARY

GENERAL

WARNINGS: POSSIBLE PROCESS UPSETS:

Maintenance must be performed only by qualied personnel and only after securing equipment

controlled by this product. Adjusting or removing this product while it is in the system may upset

the process being controlled. Some process upsets may cause injury or damage.

RETURN OF EQUIPMENT: All equipment being returned to De Nora Water Technologies for repair

must be free of any hazardous materials (acids, alkalis, solvents, etc.). A Safety Data Sheet (SDS) for

all process liquids must accompany returned equipment.

Contact De Nora Water Technologies for authorization prior to returning equipment.

INSTRUCTION MANUALS: Do not install, maintain or operate this equipment without reading,

understanding and following the proper instructions and manuals, otherwise injury or damage

may result.

ELECTRICAL SHOCK HAZARD: Equipment powered by AC line voltage presents a potential electric

shock hazard to the user. Make certain that the system power is disconnected from the operating

branch circuit before attempting electrical interconnections or service.

SPECIFIC

WARNINGS: All components of the Vaporizer System are constructed of materials capable of withstanding the

corrosive action of the particular gas for which the System has been specied for service. Never use

any component for handling a gas dierent from which it has been purchased.

Modifying any of the factory-programmed operating functions from their factory pre-set settings

may result in improper and/or unsafe operation of the Vaporizer.

Do not install a valve between the gas discharge of the Vaporizer and the pressure relief valve.

ELECTRICAL SHOCK HAZARD: AC powered electrical equipment presents a potential shock

hazard. Installation and servicing should only be performed by qualied personnel.

Potable water is the only acceptable heat transfer medium. No other uid is to be used!

Breakage of a chemical pipe, valve or tting can cause a major hazardous chemical spill.

Never tighten or adjust any leaking tting when the chemical supply cylinder valve is open.

System leaks and the procedures required to nd leaks may cause exposure to hazardous chemicals

at levels that exceed Occupational Safety and Health Administration (OSHA) limits. It is the

employer’s responsibility to insure that proper equipment and procedures are used to limit the

employee’s exposure to the safe levels listed by OSHA. It is imperative that the superheat be

maintained at or above the minimum specied value for the gas in question.

A lesser value is indicative that the level of liquid chemical in the vaporizing chamber is above a

safe operating level. Under no circumstance should the gas outlet valve and an upstream liquid

valve be closed trapping liquid chemical in the Vaporizer chamber.

Maintenance steps 11, 12 and 13 must be performed outdoors or in a well ventilated area.

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READ FIRST

WARNING: Water is the only acceptable heat transfer medium. No other uid is to be used!

INSTRUCTION MANUALS: Do not install, maintain, or operate this equipment without reading, understanding and following

the proper De Nora Water Technologies instructions and manuals, otherwise injury or damage may result.

RETURN OF EQUIPMENT: All equipment being returned to De Nora Water Technologies for repair must be free of any

hazardous materials (acids, alkalis, solvents, etc). A Safety Data Sheet (SDS) for all process uids must accompany returned

equipment. Contact De Nora Water Technologies for authorization prior to returning equipment.

NEMA 4X, Corrosion Resistant Finish: Certain parts of this product are painted with a high performance epoxy paint. The

corrosion protection provided by this nish is only eective if the nish is unbroken. It is the users’responsibility to “touch-up”

any damage that has occurred to the nish during shipping or installation of the product. Special attention must be given to:

meter ange bolting, pipe mounting of electronics, conduit entries and covers that are removed to facilitate installation or

repair. For continued corrosion protection throughout the product life, it is the users’ responsibility to maintain the product

nish. Incidental scratches and other nish damage must be repaired and promptly re-painted with approved touch-up paint.

Provide the model number and size of your product to the nearest De Nora Water Technologies representative to obtain the

correct touch-up paint.

Read these instructions before starting installation; save these instructions for future reference.

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Liquid Chemical

Being Handled

Electric Immersion Heater

12 kW 15 kW 18 kW

Chlorine 6000 lb/day

120 kg/h

8000 lb/day

160 kg/h

12000 lb/day

227 kg/h

Suur Dioxide * 4500 lb/day

85 kg/h

5900 lb/day

115 kg/h

7500 lb/day

140 kg/h

Ammonia 1500 lb/day

30 kg/h

2000 lb/day

40 kg/h

2500 lb/day

50 kg/h

TABLE 1-1. Vaporizer Capacity

* In order to attain the referenced capacities for Sulfur Dioxide, the following conditions must exist:

The Vaporizer must be clean and have an ambient temperature of 70°F.

Inlet pressure must be greater than 50 psi.

Piping between the pressure reducing and shut o valve, and the Vaporizer should be short and fully insulated.

Controlled continuous, minimum make-up water must be provided.

1 INTRODUCTION

1.1 General Description

CAPITAL CONTROLS® Series 71V3B Electrically Heated Vaporizers are used to convert liquid Chlorine, Sulfur Dioxide

or Ammonia, as specied at time of purchase, into a superheated gaseous state. The Vaporizer consist of a vaporizing

chamber housed within a self-standing vented water chamber heated by an integrally mounted electric immersion

heater. The Vaporizers are equipped with controls and gauges to provide safe operation under normal conditions and

close supervision.

Functionally, liquid chemical from the supply system is directed into the bottom of the vaporizing chamber, absorbs

heat from the hot wall of the chamber, is converted from liquid into gas, and is discharged through the gas outlet

opening at the top of the chamber to the gas handling components of the system requiring the gas.

The maximum capacity of these Vaporizers, all similar in design and construction, is related to the liquid chemical

being handled and the rating of the electric immersion heater. These capacities are listed in Table 1-1.

WARNING: All components of the Vaporizer System are constructed of materials capable of with standing the

corrosive action of the particular gas for which the system has been specied. Never use any component for

handling a gas dierent from which it has been purchased.

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1.2 Model Number Breakdown

Refer to the De Nora Water Technologies data sheet for the model number of the equipment furnished.

Model Number Breakdown

Model No. 71V3B ___ ___ ___ ___ ___

Gas & Capacity

01 - Chlorine 12000 lb/day (227 kg/h)

02 - Chlorine 8000 lb/day (160 kg/h)

03 - Chlorine 6000 lb/day (120 kg/h)

11 - Sulfur Dioxide 75000 lb/day (150 kg/h)

12 - Sulfur Dioxide 5900 lb/day (115 kg/h)

13 - Sulfur Dioxide 4500 lb/day (90 kg/h)

21 - Ammonia 2500 lb/day (50 kg/h)

22 - Ammonia 2000 lb/day (40 kg/h)

23 - Ammonia 1500 lb/day (30 kg/h)

Control Voltage

01 - 120 Vac

02 - 220/240 Vac

Heater Voltage/Magnetic Contactor

A0-UW - Voltage/Phase/Mounting/Nema Rating

XX - Contactor supplied by Others

Water Level Control Switch

01 - Required

02 - Not Required

Documentation

XX - Not Required

01- Certication Documents

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Figure 1 - Sectional Diagram

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1.3 Component Description

Refer to Figures 1, 2, 3, 4 and 5 to supplement the following text.

1.3.1 General

In addition to the components described in Section 1.3.2, which comprise the Basic Vaporizer Unit,

all Vaporizer Systems should be piped and valved to include the auxiliary components as shown in

Figures 2 and 3.

1.3.2 Basic Vaporizer Unit

1.3.2.1 Water Chamber

The water chamber provides uniform distribution of heat around the outer surface of the

vaporizing chamber wall. The chamber’s outer surface is covered with closed cell foam

insulation to minimize radiant and convective heat losses.

1.3.2.2 Vaporizing Chamber

The vaporizing chamber receives the liquid chemical from its source and converts it into the

gaseous state at a rate equal to the demands of the using system. This chamber contains an inlet

tube and superheat bae which function as described below to provide the essential

operating requirements of the vaporizing system.

a. Inlet Tube: The inlet tube, which extends to the lower portion of the chamber, serves to

provide both forward and reverse ow of liquid chemical to and from the chamber; thereby,

automatically regulating the level of liquid chemical in the chamber to increase and decrease

the liquid contact area, and hence the rate of evaporation, in accordance with the demands of

the overall system.

b. Superheat Bae: The superheat bae, which extends a short distance downward from the top

of the chamber, serves to force the gas to travel along the hot wall of the chamber as it passes

from the surface of the liquid to the outlet; thereby, superheating the gas, i. e., increasing its

heat content at the existing pressure within the chamber, prior to its discharge to the gas

distribution system.

1.3.2.3 Water Level Gauge

The water level gauge provides visual indication of the water level in the water chamber.

1.3.2.4 Electric Immersion Heater

The electric immersion heater supplies the heat required to maintain the temperature of the water

in the water chamber at the desired operating value.

1.3.2.5 Magnetic Heater Contactor

The magnetic heater contactor acts in response to the water temperature controller to energize and

de-energize the electric immersion heater. This component, although essential to the operation

of the Vaporizer, may not have been supplied unless specically requested. This may have been

due to site specic electrical design criteria requiring that the contactor be mounted in a centrally

located motor control center.

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