Honeywell HON 670 Guida

HON 670 / HON 671

Controllers

Component documentation,

Maintenance manual and spare parts

Contents 
HON 670 / HON 671 Controllers Component Documentation 2 
 
Contents 
1General considerations 3 
1 About this component documentation 3 
2 About the safety notices 5 
2Description 6 
1 Intended use 6 
2 Device models 7 
3 Labels/Markings 7 
4 Physical design and operation 9 
5 Technical specifications 13 
3Safety 15 
1 Basic safety rules 15 
2 Requirements concerning the workforce, personal protective gear, workplaces 16 
4Maintenance 17 
1 Maintenance schedule 17 
2 Preparing for the maintenance 17 
3 Removing the pressure unit from the controller 18 
4 Maintenance on the controller with diaphragm measuring unit 19 
5 Maintenance on the controller with metal bellows measuring unit 27 
6 Maintenance on the pressure unit 35 
7 Mounting the pressure unit on the controller 38 
8 Completing the maintenance 38 
5Storage and disposal 39 
1 Storing the device 39 
2 Disposing of the device 40 
6Appendix 41 
1 Re-engage differential 41 
2 Additional information regarding spare parts 42 
3 K16, K17, K18, K19: Spare parts drawing for baseplate and connections 44 
4 K16: Spare parts drawing for diaphragm measuring unit 45 
5 K16: Spare parts drawing for diaphragm measuring unit with ball guide sleeve 48 
6 K17: Spare parts drawing for diaphragm measuring unit 51 
7 K17: Spare parts drawing for diaphragm measuring unit with ball guide sleeve 53 
8 K18: Spare parts drawing for metal bellows measuring unit 55 
9 K19: Spare parts drawing for metal bellows measuring unit 58 
10 K16, K17, K18, K19: Spare parts drawing for pressure unit 60 
11 Maintenance and servicing parts for the controllers 60 
12 Lubricants, threadlockers, and special tools 65 
 

General considerations

HON 670 / HON 671 Controllers Component Documentation 3

1General considerations

Topic Page

About this component documentation 3

About the safety notices 5

1.1 About this component documentation

This component documentation applies for the controllers HON 670 / HON 671.

This component documentation provides all individuals with the information required in

order to safely handle the device in connection with the following tasks:

▪Maintenance and servicing

▪Storage and disposal

This component documentation is intended for anyone who requires the following infor-

mation concerning the product:

▪Intended use

▪Device models

▪Technical specifications

▪How it works

▪Maintenance manual

▪Spare parts drawings and spare parts lists

Honeywell offers products with identical functions in a number of different sizes. For this

reason, we are unable to guarantee that the illustrations in this documentation will match the

dimensions of your product. In these cases, the illustrations should be viewed as a concept

sketch.

Failing to observe the information provided in this document may lead to injuries, including

death and material damages.

To ensure the safety, any persons handling the product must have read and understood the

following parts of this document before they start with any work involving it:

▪the chapter entitled Safety

▪the chapters that describe the work to be done

Unless explicitly permitted, the disclosure as well as duplication of this document, the exploi-

tation and communication of its contents are prohibited. Any breach or infringement will

registered design registration.

Contents

Validity and purpose

Target group

Illustration

Safety

General considerations

HON 670 / HON 671 Controllers Component Documentation 4

Honeywell Process Solutions

Honeywell Gas Technologies GmbH

Osterholzstraße 45

34123 Kassel

GERMANY

Tel: +49 561 5007-0

Phone number for service: +49 561 5007-180

Fax: +49 561 5007-107

Fax number for service: +49 561 5007-108

E-mail: gas-ks@honeywell.com

Website:

www.honeywellprocess.com

www.hongastec.de

Printed in Germany

The manufacturer will not be liable for damages and malfunctions arising from failure to

observe this component documentation and other applicable documents.

The written approval from Honeywell Gas Technologies GmbH, Kassel, is required for any

modifications and additions to the product. Any violation will void the legal liability for con-

sequences arising thereof.

Details about the manu-

facturer’s liability

Constructive changes

General considerations

HON 670 / HON 671 Controllers Component Documentation 5

1.2 About the safety notices

The information contained in the safety notices is intended to prevent personal injury. Safety

notices contain the following information:

▪Nature and source of the danger

▪Possible consequences associated with the non-observance of the notice

▪Procedures for the prevention of personal injury

This document contains the following types of safety notices:

Type of safety notice

Description

Sign

Basic safety notices

Superordinate safety notices not relating to a

specific task:

▪They contain a summarized description of

hazards, risks and safety procedures associ-

ated with the handling of the device.

▪Their purpose is to inform and educate the

user about an existing danger and about

practicing behavioral safety.

▪They are suitable as safety instruction for all

employees handling the device.

Recognizable by the heading

of the chapter

Instruction-related

safety notices

Safety notices containing specific instructions

relating to the entire manual or a group of

manuals

Step-related safety

notices

Safety notices containing specific instructions

relating only to the step

DANGER

WARNING

CAUTION

Additional safety

notice

Instruction to observe certain safety notices

with reference to a location in the document

where safety notices containing specific

information about dangers, risks and specific

instructions for safety procedures can be found

The safety notices containing specific instructions are identified with a signal word. The signal

word represents a certain danger level:

Danger level

If you fail to follow the instruction, then …

And the consequence is …

DANGER

an accident will happen

serious bodily injury or

death.

WARNING

an accident may happen

possible serious bodily

injury or death.

CAUTION

an accident may or will happen.

minor or moderate bodily

injury.

Warnings about possible material damages are identified with the word Attention in this

document.

Meaning

Types of safety notices

Danger levels

Warnings about material

damages

Description

HON 670 / HON 671 Controllers Component Documentation 6

2Description

Topic Page

Intended use 6

Device models 7

Labels/Markings 7

Physical design and operation 9

Technical specifications 13

2.1 Intended use

The controllers HON 670 / HON 671 are used to trigger safety equipment within a controlled

gas system.

The controllers can be used for neutral, non-aggressive gases and the gases specified in

DVWG Code of Practice G260.

Note: The device’s operating limits concerning the gas, the operating pressure, and the

operating temperature can be found either on the rating plate affixed to the device or in the

device’s technical specifications.

The use under different operating conditions must be coordinated in consultation with the

manufacturer.

The controllers HON670 / HON671, which conform to DIN EN 334 / DIN EN 14382, are in-

tended to be used for the following gas pressure regulators:

▪HON 372

▪HON 402

▪HON 408

▪HON 503

▪HON 512

▪HON 530

▪HON 703

▪HON 704

▪HON 711

▪HON 721

▪HON 5020

Please observe the following limitations of use:

▪Do not use the device for any media other than those mentioned in the intended use or

those discussed with and approved by the manufacturer.

▪Do not use the device in any installation position other than the one documented in

this component documentation.

▪Do not use the device against the direction of flow specified on the device and in the

component documentation.

▪When replacing defective parts, only use original spare parts or manufacturer-approved

standard parts.

▪Do not attempt to modify or remodel the device on your own.

Contents

Intended use

Limitations of use

Description

HON 670 / HON 671 Controllers Component Documentation 7

2.2 Device models

The configuration levels of the controllers HON 670 / HON 671 can be varied in some respects

using individual components.

The following individual components are always part of the device:

▪Spring adjuster of the pilot spring

▪Amplifying valve

▪Comparator stage

▪Base plate

▪Pressure unit

The following individual components are installed in some versions of the device:

▪Comparator stage

▪Diaphragm measuring unit

▪Diaphragm assembly with ball guide sleeve

▪Metal bellows measuring unit

The comparator stage as an individual component is executed in three models with different

designs in dependence on the control range (Wd) of the controller:

Series

Designfor upper response pres-

sure

Control range Wdso

Thread type

[bar]

[psi]

K16: Diaphragm measuring unit

0.8 - 20

11.6 - 290

HON 670

K16: Diaphragm assembly with ball

guide sleeve

10 - 40

145 - 580

Metric, imperial

K18: Metal bellows measuring unit

20 - 90

290 - 1305

Series

Design for lower response pres-

sure

Control range Wdsu

Thread type

[bar]

[psi]

K17: Diaphragm measuring unit

2.0 - 20

29 - 290

HON 671

K17: Diaphragm assembly with ball

guide sleeve

10 - 40

145 - 580

Metric

K19: Metal bellows measuring unit

20 - 90

290 - 1305

The designs that use the imperial system of measurement feature ports that conform to

Anglo-American thread standards and use inches as a unit.

The designs that use the metric system of measurement feature ports that conform to Euro-

pean thread standards and use metric units.

The technical specifications and the spare parts lists and spare parts drawings in the appendix

describe all the models of the HON 670 / HON 671 controllers.

The Maintenance section describes the controller using the example of the models with a

diaphragm measuring unit and a metal bellows measuring unit. It does not explicitly describe

every single version and design.

If you have trouble understanding the information in this documentation, contact the manu-

facturer without fail before starting any work on the device.

2.3 Labels/Markings

Variants of the controllers

HON 670 / HON 671

Controllers HON 670 /

HON 671 models

Versions and designs in

this component docu-

mentation

Illegible labels

Description

HON 670 / HON 671 Controllers Component Documentation 8

Illegible information on the device poses a risk of injury due to resulting erroneous opera-

tion, use, or installation.

Labels, as well as inscriptions and stamping on the device, can eventually become soiled or

otherwise unrecognizable to such an extent that users will not be warned effectively of

hazards and may be unable to follow required operating instructions. This will pose a risk of

injury.

Make sure to always keep all relevant labels in good condition so that they will be easily

legible.

Immediately replace damaged and missing labels.

Make sure you have the right component documentation for your device.

To identify your device, look at the nameplate.

Make sure that the conditions on site correlate with the information on the type plate and

the technical specifications.

Technical specifications

The monitoring device type plate locations are as follows:

Figure

No.

Description

Type plate onthe side of the monitoring

device

Additional type plate on the side of the

monitoring device

The details on the type plate have the following meaning:

Figure

No.

Description

Manufacturer ID

Manufacturer’s address

Type designation

Serial number

PS = Maximum allowable pressure

Identifying the device

Verifying the technical

specifications

Locating the monitoring

device’s type plates

Interpreting the type

plate on the monitoring

device

Description

HON 670 / HON 671 Controllers Component Documentation 9

The details on the additional type plate mean the following:

Figure

No.

Description

Specific adjustment range [bar]

Wdso = Excess pressure

Specific adjustment range [bar]

Wdso = Insufficient pressure

Setpoint to be set [bar]

pdso = Upper response pressure value

Setpoint to be set [bar]; see configuration

pdsu = Lower response pressure value

Small color-coded text labels must be used to mark the controller’s connection lines based on

what the lines are used for.

2.4 Physical design and operation

The controller is made up of the following individual components:

Figure

No.

Description

Spring adjuster

Pilot spring

Comparator stage with diaphragm meas-

uring unit

Amplifying valve

Base plate

Interpreting the addi-

tional type plate on the

monitoring device

Labels on connection

lines

Physical design of the

controllers K16 / K17

Description

HON 670 / HON 671 Controllers Component Documentation 10

The controller is made up of the following individual components:

Figure

No.

Description

Spring adjuster

Pilot spring

Ball guide sleeve

Comparator stage with diaphragm meas-

uring unit with ball guide sleeve

Amplifying valve

Base plate

The controller is made up of the following individual components:

Figure

No.

Description

Spring adjuster

Pilot spring

Ball guide sleeve

Amplifying valve

Comparator stage with metal bellows

measuring unit

Base plate

Physical design of the

controllers K16 / K17 with

ball guide sleeve

Physical design of the

controllers K18 / K19

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