Camus Hydronics DRH300 Installation, Operation And Service Manual page 4

Gas fired commercial condensing stainless steel tube boilers

Table of Contents

4.2

WARNING REGARDING CHILLED WATER AND HEATING COIL SYSTEMS .................................................. 17

4.3

INLET AND OUTLET CONNECTIONS ........................................................................................................ 18

4.4

MINIMUM PIPE SIZE REQUIREMENTS .................................................................................................... 18

4.5

HEAT EXCHANGER ................................................................................................................................. 18

4.6

LOW WATER TEMPERATURE SYSTEMS .................................................................................................. 18

4.7

INSTANTANEOUS WATER HEATER ......................................................................................................... 18

4.8

WATER FLOW SWITCH .......................................................................................................................... 19

4.9

LOW WATER CUTOFF (If Equipped) ...................................................................................................... 19

4.10

RELIEF VALVE ........................................................................................................................................ 19

4.11

CIRCULATING PUMP SELECTION ............................................................................................................ 19

4.11.1

CIRCULATING PUMP OPERATION OF HEAT EXCHANGER ........................................................................ 19

4.12

∆T HEAT EXCHANGER ALGORITHM ........................................................................................................ 20

PART 5

ELECTRICAL & CONTROLS ...................................................................................................................... 20

5.1

ELECTRICAL CONECTIONS ...................................................................................................................... 20

5.2

VARIABLE FREQUENCY DRIVE (DR1200 - 5000) ..................................................................................... 21

5.3

DIFFRENTIAL AIR PRESSURE SWITCH ..................................................................................................... 21

5.4

BLOCKED FLUE SWITCH ......................................................................................................................... 21

5.5

DIFFERENTIAL GAS AND LOW GAS PRESSURE SWITCHES ....................................................................... 21

5.6

HIGH LIMIT ........................................................................................................................................... 21

5.7

DYNAFORCE® SOLA ............................................................................................................................... 22

5.7.1

SERVICE PARTS ...................................................................................................................................... 22

5.7.2

IGNITION MODULE LOCKOUT FUNCTIONS ............................................................................................. 22

5.8

DYNAFORCE® CONTROLLER ................................................................................................................... 22

5.9

ERROR TABLE ........................................................................................................................................ 22

PART 6

CONTROL PANEL ................................................................................................................................... 24

6.1

APPLIANCE TEMPERATURE CONTROLLER .............................................................................................. 24

6.2

CONFIGURE MENU ................................................................................................................................ 40

6.3

LEAD LAG SETUP UP TO 8 BOILERS ........................................................................................................ 42

6.4

LEAD LAG SETUP FOR UP TO 12 APPLIANCES ......................................................................................... 43

6.5

LOCAL/REMOTE SWITCH ....................................................................................................................... 43

6.6

COMM. PORT 2 ACTIVATION ................................................................................................................. 43

6.6

VARIABLE FREQUENCY DRIVE (DR1200 - 5000) ...................................................................................... 44

6.7

FROST PROTECTION .............................................................................................................................. 44

PART 7

COMPONENTS ...................................................................................................................................... 45

7.1

HOT SURFACE IGNITER (GLOW BAR) ...................................................................................................... 45

7.2

FLAME SENSOR ..................................................................................................................................... 45

7.3

COMBUSTION AIR FAN .......................................................................................................................... 45

7.4

INNER JACKET ....................................................................................................................................... 45

7.5

OUTER JACKET ..................................................................................................................................... 45

7.6

VENTING TRANSITION .......................................................................................................................... 45

PART 8

FIELD STARTUP PROCEDURE ................................................................................................................. 46

8.1

CHECKING THE INSTALLATION ............................................................................................................... 46

8.2

CHECKING THE CONSTRUCTION ............................................................................................................ 46

8.3

GAS VALVE ADJUSTMENT PROCEDURE .................................................................................................. 46

8.4

COMISSIONING APPLIANCE ................................................................................................................... 48

PART 9

TROUBLESHOOTING .............................................................................................................................. 49

PART 10 MAINTANANCE ..................................................................................................................................... 56

10.1

EXAMINE THE VENTING SYSTEM ........................................................................................................... 56

10.2

VISUALLY CHECK MAIN BURNER FLAMES .............................................................................................. 56

10.3

FLUE GAS PASSAGEWAYS CLEANING PROCEDURES ............................................................................... 56

10.4

CONDENSATION TREATMENT ............................................................................................................... 56

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