Install Instructions

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TABLE OF CONTENTS
CHAPTER 8 - EXTERNAL WIRING .................................................................................... 31
8.1. General Requirements .................................................................................................................. 31
8.2. Line Voltage Connections .............................................................................................................31
8.3. Internal Circulator & Diverter Valve ............................................................................................. 31
8.4. Circulator Wiring ........................................................................................................................... 31
8.5. Flame Status & Alarm Wiring ...................................................................................................... 32
8.6. Low Voltage Connections ............................................................................................................ 32
8.7. Thermostat Wiring ....................................................................................................................... 32
8.8. Outdoor Sensor Wiring ................................................................................................................ 33
8.9. Domestic Hot Water Wiring ......................................................................................................... 33
8.10. Additional Boiler Limits ............................................................................................................... 33
8.11. External Modulation Control ....................................................................................................... 33
8.12. System Sensor Wiring ................................................................................................................. 33
8.13. Cascade Wiring ............................................................................................................................ 34
8.14. Modbus Wiring ............................................................................................................................. 34
CHAPTER 9 - CTRLMAX OPERATION .............................................................................. 37
9.1. CTRLMax Navigation ....................................................................................................................37
9.2. CTRLMax Menu Structure ........................................................................................................... 38
9.3. Home Screen ................................................................................................................................ 39
9.4. Status Line Messages .................................................................................................................. 40
9.5. Main Menu ..................................................................................................................................... 41
9.6. EZ Setup ........................................................................................................................................41
9.7. Heating EZ Setup ................................................................................................................ 42
9.7.1 Select CH Demand (No outdoor sensor connected) ...................................................... 42
9.7.2 Select CH Demand (Outdoor sensor connected) ............................................................ 43
9.8. Domestic Hot Water EZ Setup ........................................................................................... 44
9.9. EZ Setup Reset ................................................................................................................... 45
9.10. Display EZ Setup .................................................................................................................. 45
9.11. CH/DHW Operation ............................................................................................................ 46
9.12. Boiler Information ................................................................................................................ 46
9.12.1 Information Items ................................................................................................................ 47
9.12.2 Lockout Screen ................................................................................................................... 48
9.12.3 Manual Reset Lockouts ...................................................................................................... 49
9.12.4 Automatic Reset Blocking Lockouts ................................................................................. 50