11.12 FREEZE PROTECTION FOR INDOOR & OUTDOOR INSTALLATIONS ............................................................................ 57
11.13 FREEZE PROTECTION FOR A HEATING BOILER SYSTEM (Optional) ............................................................................ 58
PART 12 INSTALLATIONS ......................................................................................................................................................... 58
12.1 CHECKING THE INSTALLATION ................................................................................................................................... 58
12.2 CHECKING THE CONSTRUCTION ................................................................................................................................ 58
12.3 HEATING BOILER INSTALLATIONS .............................................................................................................................. 58
12.4 INSPECT & RECHARGE CONDENSATE COLLECTION/NEUTRALIZING RESERVOIR ....................................................... 59
12.5 WATER CONNECTIONS .............................................................................................................................................. 59
12.6 PIPING LENGTHS ........................................................................................................................................................ 59
12.7 SUMMARY.................................................................................................................................................................. 59
12.8 DOMESTIC HOT WATER WITH STORAGE TANK ......................................................................................................... 60
12.9 DOMESTIC HOT WATER WITH PLATE HEAT EXCHANGER .......................................................................................... 60
12.10 TEMPERATURE RISE AT FULL FIRING RATE ................................................................................................................ 60
12.11 SETTING THE CORRECT COMBUSTION....................................................................................................................... 61
12.12 CASCADE SETUP ......................................................................................................................................................... 61
12.13 INTERFACE MODULE (if equipped) ............................................................................................................................ 63
12.14 Write Functionality .................................................................................................................................................... 66
12.14.1 Write CH Setpoint ..................................................................................................................................................... 66
12.14.2 Write DHW Setpoint ................................................................................................................................................. 66
12.15 Alarm Output (if equipped) ....................................................................................................................................... 66
12.16 External Reset (if equipped) ...................................................................................................................................... 67
12.17 0-10Vdc External Input (if equipped) ........................................................................................................................ 67
12.18 APPLIANCE ................................................................................................................................................................. 67
12.19 IGNITION CYCLE ......................................................................................................................................................... 68
PART 13 PIPING DIAGRAMS .................................................................................................................................................... 69
PART 14 EXPLODED VIEW & PARTS LIST.................................................................................................................................. 74
PART 15 ELECTRICAL DIAGRAMS ............................................................................................................................................. 82
15.1 DM 80- 250 INTERNAL WIRING DIAGRAM (WALL HUNG MODELS) .......................................................................... 82
15.2 DM 210-299 INTERNAL WIRING DIAGRAM (FLOOR MOUNT MODELS) .................................................................... 83
15.3 848IF Interface Module Wiring Schematic ................................................................................................................ 84
15.4 FIELD WIRING............................................................................................................................................................. 85
15.4.1 System Sensor ........................................................................................................................................................... 85
15.4.2 Cascade Setup ........................................................................................................................................................... 85
15.5 DETAILED CONNECTOR DESCRIPTION ....................................................................................................................... 86