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
Summary of Contents for DRH300
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Page 38: ...32 13 Place toggle switch setting to REMOTE for remote operation if required...
Page 69: ...63 PART 12 EXPLODED VIEW 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20...
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Page 77: ...71 PART 13 ELECTRICAL DIAGRAMS...
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