Camus Hydronics DFW1100 - PART 3 GAS CONNECTION; 3.1 GAS CONNECTION; 3.2 GAS PIPING; 3.3 INSTALL PIPING

5.4 HIGH and LOW GAS PRESSURE SWITCHS (Optional) ...................................................................................................................21
5.5 HIGH LIMIT .........................................................................................................................................................................................21
5.6 IGNITION CONTROL MODULE..........................................................................................................................................................21
5.6.1 SERVICE PARTS.....................................................................................................................................................................22
5.6.2 IGNITION MODULE LOCKOUT FUNCTIONS.........................................................................................................................22
5.6.3 DIAGNOSTIC STATUS INDICATION ......................................................................................................................................22
5.6.4 FLAME SENSE TEST ..............................................................................................................................................................22
PART 6 CONTROL PANEL.........................................................................................................................................................................23
6.1 APPLIANCE TEMPERATURE CONTROLLER ..................................................................................................................................23
6.2 MODULATING SIGNAL GENERATOR...............................................................................................................................................25
6.3 VARIABLE FREQUENCY DRIVE (VFD).............................................................................................................................................25
PART 7 COMPONENTS .............................................................................................................................................................................25
7.1 HOT SURFACE IGNITER (GLOW BAR) ............................................................................................................................................25
7.2 FLAME SENSOR ................................................................................................................................................................................25
7.3 COMBUSTION AIR FAN .....................................................................................................................................................................26
7.4 INNER JACKET...................................................................................................................................................................................26
7.5 OUTER JACKET ................................................................................................................................................................................26
7.6 VENTING TRANSITION.....................................................................................................................................................................26
PART 8 FIELD STARTUP PROCEDURE ...................................................................................................................................................26
8.1 CHECKING THE INSTALLATION.......................................................................................................................................................26
8.2 CHECKING THE CONSTRUCTION ...................................................................................................................................................26
8.3 FIRE TESTING....................................................................................................................................................................................27
8.4 COMISSIONING APPLIANCE ............................................................................................................................................................27
PART 9 TROUBLE SHOOTING ..................................................................................................................................................................28
PART 10 MAINTANANCE .............................................................................................................................................................................30
10.1 EXAMINE THE VENTING SYSTEM ...................................................................................................................................................30
10.2 VISUALLY CHECK MAIN BURNER FLAMES ....................................................................................................................................30
10.3 FLUE GAS PASSAGEWAYS CLEANING PROCEDURES ................................................................................................................30
10.4 CONDENSATION TREATMENT.........................................................................................................................................................30
10.4.1 CONDENSATE VOLUME.........................................................................................................................................................30
10.5 BURNER MAINTENANCE ..................................................................................................................................................................31
10.5.1 BURNER REMOVAL AND CLEANING ....................................................................................................................................31
10.5.2 BURNER CLEANING PROCEDURE.............................................................................................................................................31
10.6 CHANGING THE HOT SURFACE IGNITER ......................................................................................................................................31
10.6.1 RE-INSTALLING THE IGNITER...............................................................................................................................................32
10.7 PRIMARY HEAT EXCHANGER INSPECTION...................................................................................................................................32
10.8 CONDENSING HEAT RECOVERY MODULE (CHRM) INSPECTION...............................................................................................32
10.9 RE-INSTALL HEAT EXCHANGERS...................................................................................................................................................32
10.10 COMBUSTION AIR FAN................................................................................................................................................................32
10.11 COMBUSTION AND VENTILATION AIR ......................................................................................................................................32
10.12 CONTROL CIRCUIT VOLTAGE....................................................................................................................................................32
10.13 COMBUSTIBLE MATERIALS........................................................................................................................................................32
10.14 FREEZE PROTECTION ................................................................................................................................................................32
10.15 FREEZE PROTECTION FOR A HEATING BOILER SYSTEM (Optional) ...................................................................................33
PART 11 INSTALLATIONS ...........................................................................................................................................................................33
11.1 HEATING BOILER INSTALLATIONS .................................................................................................................................................33
11.2 WATER CONNECTIONS ....................................................................................................................................................................33
11.3 PIPING LENGTHS ..............................................................................................................................................................................33
11.4 INTERMITTENT PUMP OPERATION ................................................................................................................................................33
11.5 SUMMARY ..........................................................................................................................................................................................33
11.6 DOMESTIC HOT WATER HEATER .................................................................................................
..................................................34
11.7 WATER VELOCITY CONTROL ..........................................................................................................................................................34
11.8 TEMPERATURE RISE AT FULL FIRING RATE.................................................................................................................................34
11.9 WATER HEATERS..............................................................................................................................................................................35
PART 12 EXPLODED VIEW .........................................................................................................................................................................36
PART 13 ELECTRICAL DIAGRAMS.............................................................................................................................................................43
WARRANTY..............................................................................................................................................................................................................49