CTRLMax Manual

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TABLE OF CONTENTS
CHAPTER 6 - MANUAL OPERATION ................................................................................ 51
CHAPTER 7 - RESET ALL SETTINGS ................................................................................ 53
7.1. Factory CTRLMax Settings ......................................................................................................... 53
CHAPTER 8 - CASCADE .....................................................................................................55
8.1. Operating Principles of an CTRLMax-Controlled Cascade (Prestige and INSTINCT only) .... 55
8.2. Cascade Algorithm ...................................................................................................................... 55
8.2.1 Boiler Enabling Algorithm ...................................................................................................55
8.2.2 Boiler Disabling Algorithm ..................................................................................................55
8.3. CTRLMax Cascade menu structure ........................................................................................... 56
8.4. Cascade Installation .................................................................................................................... 56
8.4.1 System Piping ..................................................................................................................... 56
8.4.2 System Sensor Installation ................................................................................................ 56
8.4.3 Cascade Communication Cable .........................................................................................57
8.4.4 Low Voltage Wiring Connections .......................................................................................57
8.4.5 Line Voltage Wiring Connections ...................................................................................... 58
8.4.6 Cascade Autodetection ..................................................................................................... 58
8.4.7 Lockouts .............................................................................................................................. 58
8.5. Cascade Autodetection ............................................................................................................... 59
8.6. Cascade Info ................................................................................................................................. 60
8.6.1 Cascade Role ...................................................................................................................... 60
8.6.2 System Temp. ..................................................................................................................... 60
8.6.3 Active Boilers ...................................................................................................................... 60
8.6.4 Total Boilers ........................................................................................................................ 60
8.6.5 Cascade Firing Ratio .......................................................................................................... 60
8.7. Cascade Settings .......................................................................................................................... 61
8.7.1 Stage Delay .......................................................................................................................... 61
8.7.2 Min. Firing Rate ................................................................................................................... 62
8.7.3 Max. Firing Rate .................................................................................................................. 62
8.7.4 CH / DHW Boilers ............................................................................................................... 62
8.7.5 Auto Rotation ...................................................................................................................... 64
8.7.6 CH Prop. Gain...................................................................................................................... 64
8.7.7 CH Integral Gain.................................................................................................................. 65
8.7.8 DHW Prop. Gain .................................................................................................................. 66
8.7.9 DHW Integral Gain .............................................................................................................. 66
CHAPTER 9 - MODBUS INTERFACE ................................................................................. 73
CTRLMax_w Instinct_UK version_222171_A01.indd 5 18/07/2019 18:37