Honeywell A4021 Series Manuals

Manuals and User Guides for Honeywell A4021 Series. We have 1 Honeywell A4021 Series manual available for free PDF download: Product Handbook

Honeywell A4021 Series Product Handbook

Honeywell A4021 Series Product Handbook (21 pages)

UNIVERSAL GAS VALVES. VALVE PROVING SYSTEM.

Brand: Honeywell | Category: Control Unit | Size: 0.63 MB

Table of Contents

Application

2
- Table of Contents
  2
General

3
- Application (Continued)
  3
Features

4
Description

5
- Working Principle
  5
Specifications

8
- Mechanical
  8
- Electrical
  8
- Functional
  8
Dimensional Drawings

10
Safety Provisions

11
- Energizing Valve 1 and 2
  11
- Fail--Safe Relay Drivers
  11
- Anti--Recycle--Counter
  11
Calculations

12
- General
  12
- Calculation Examples
  12
- Use of Terminal
  13
Installation and Wiring

13
- Installation
  13
- Mounting Wiring Subbase
  13
- Wiring
  13
- General Considerations
  13
  - Pressure Switch
    13
General Wiring Diagrams

14
Applications with EC7850

15
Checkout

18
- Final Checkout of the Installation
  18
Troubleshooting

19
Standards and Approvals

20
Ordering Information

21

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