Honeywell UDC 3300 manual Parts Replacement Procedures, Introduction Equipment needed

9.8 Parts Replacement Procedures

Introduction

Equipment needed

These procedures tell you how to access and replace the following printed wiring boards in your controller.

•Display/Keyboard

•MCU/Output

•Power/Input

•2nd Input

•Digital Input

•Auxiliary Output

•DMCS Communications

•RS422/485 Communications

•Modbus Communications

To accomplish the procedures that follow, you will need the following equipment:

•Phillips Head Screwdriver

•Flat Bladed Screwdriver

•Small Pliers

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