Direct Digital Controller
156 Direct Digital Controller fw 4.013 – Ed. 01/2013
5 GENERAL INDEX
SECTION 1 GENERAL WARNINGS 2
1.1 GENERAL INFORMATION .....................................................................................3
SECTION 2 QUICK GUIDE FOR THE USER 7
2.1 GENERAL CHARACTERISTICS OF THE DIRECT DIGITAL CONTROLLER...... 7
2.2 MAIN SCREEN.........................................................................................................8
2.3 USING THE
ENCODER...........................................................................................10
2.4 COOLING/HEATING SERVICE CONTROL MENU................................................11
2.5 BASE AND SEPARABLE DHW SERVICE CONTROL MENU ..............................15
2.6 ALERTS MENU........................................................................................................16
2.7 ERROR RESET........................................................................................................16
2.8 FLAME CONTROL UNIT
RESET .........................................................................18
SECTION 3 FUNCTIONS OF THE DIRECT DIGITAL CONTROLLER 19
3.1 MAIN MENU.............................................................................................................19
3.2 FUNCTIONAL DATA ............................................................................................... 20
3.2.1 DDC INFORMATION................................................................................................20
3.2.2 UNITS INFORMATION.............................................................................................20
3.2.3 PLANTS....................................................................................................................21
3.2.3.1 Plant temperatures ................................................................................................... 21
3.2.3.2 Machine status.......................................................................................................... 21
3.2.3.3 Machine data............................................................................................................ 23
3.2.4 TECHNICAL ASSISTANCE .....................................................................................25
3.2.5 EVENT HISTORY.....................................................................................................26