Watts Aerco Modulex MLX EXT 1530 - Page 4

Modulex EXT Commercial Series Boilers User Manual
Page 4 of 144 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0095_0H
09/15/2017 Phone: 800-526-0288 GF-139
4.38 CONTROLS AND EMERGENCY FUNCTIONS ...................................................................................................... 74
4.39 INITIAL BOILER IGNITION ................................................................................................................................. 75
4.39.1 Preliminary Checks................................................................................................................................ 75
CHAPTER 5: E8 CONTROLLER AND BCM MODULES ......................................................................... 77
5.1 E8 CONTROLLER ................................................................................................................................................. 77
5.1.1 E8 Controller Features and Functions ..................................................................................................... 77
5.1.2 E8 Display Functions ............................................................................................................................... 78
5.1.3 E8 HEATING Mode Selection .................................................................................................................. 79
5.1.4 E8 MENU Mode Operation (Door Open) ................................................................................................ 80
5.1.5 E8 MENU Navigation and Parameter Settings ........................................................................................ 81
5.1.6 E8 Parameter Navigation, Selection, and Setting ................................................................................... 82
5.2 BCM (BOILER COMMUNICATION MODULE) ...................................................................................................... 83
5.2.1 BCM Features and Functions .................................................................................................................. 83
5.2.2 BCM Description ..................................................................................................................................... 83
CHAPTER 6: OPERATION OF THE E8 CONTROLLER ......................................................................... 87
6.1 INSTALLATION MENU: INITIALIZING THE E8 CONTROLLER ................................................................................ 88
6.2 QUICK START INSTRUCTIONS ............................................................................................................................. 89
6.2.1 Setting Maximum and Minimum Flow Temperature ............................................................................. 89
6.2.2 Setting Room Temperature and Outdoor Compensation ...................................................................... 90
6.2.3 Setting Heating Programs and Pumps .................................................................................................... 91
6.3 MENU AND SUB-MENU DESCRIPTIONS ............................................................................................................. 92
6.3.1 Menus (Top Level): ................................................................................................................................. 92
6.3.2 Sub-Menus: ............................................................................................................................................. 92
6.4 GENERAL MENU ................................................................................................................................................. 93
6.5 SERVICE MENU................................................................................................................................................... 95
6.6 DISPLAY MENU................................................................................................................................................... 97
6.7 USER MENU ....................................................................................................................................................... 99
6.8 TIME PROGRAM MENU ................................................................................................................................... 101
6.9 EXPERT MENU .................................................................................................................................................. 102
6.10 OTHER POSSIBLE SETTINGS............................................................................................................................ 106
6.10.1 Settings for Heating Circuit 1/2 .......................................................................................................... 106
Heating Adjustment With Constant Flow Temp ............................................................................... 106 6.10.1.1
Temperature Settings For Heating Circuits ...................................................................................... 106
6.10.1.2
A Second DHW Storage Tank ........................................................................................................... 107
6.10.1.3
Temperature Setting For Second DHW Storage Tank ...................................................................... 107
6.10.1.4
Swimming Pool ................................................................................................................................ 107
6.10.1.5
Swimming Pool Temperature Setting .............................................................................................. 107
6.10.1.6
Screed Dry Program (For Floor Heating Installation) ....................................................................... 107
6.10.1.7
Temperature Setting For Screed Program ....................................................................................... 107
6.10.1.8
Signal 0 – 10 V ................................................................................................................................. 107
6.10.1.9
Slope And Temperature Setting with 0 – 10 V Signal ................................................................... 107
6.10.1.10
6.10.2 Setting of DHW Circuit ........................................................................................................................ 108
Operation of Pumps In Parallel ........................................................................................................ 108 6.10.2.1
Use of a DHW Storage Tank Thermostat (On/Off)........................................................................... 108
6.10.2.2
Antilegion ......................................................................................................................................... 108
6.10.2.3
Setting for Solar Panel Use .............................................................................................................. 108
6.10.2.4
6.11 ACCESS CODE SETTING .................................................................................................................................. 108
CHAPTER 7: TROUBLESHOOTING ...................................................................................................... 109
7.1 E8 CONTROLLER FAULT CODES ........................................................................................................................ 109
7.1.1 E8 Controller Fault Codes ..................................................................................................................... 111
7.1.2 BCM (Boiler Communications Module) Fault Codes............................................................................. 115
7.1.3 BMM (Burner Management Module) Fault Codes ............................................................................... 116