5
C. BACKFLOW PREVENTER ................................................................................................................. 18
D. SYSTEM WATER PIPING METHODS ............................................................................................... 18
E. CIRCULATORS .................................................................................................................................. 19
F. HYDRONIC PIPING WITH CIRCULATORS, ZONE VALVES, AND MULTIPLE BOILERS .............. 19
G. BOILER PIPING DETAILS ................................................................................................................. 21
H. CIRCULATOR SIZING ........................................................................................................................ 25
I. FILL AND PURGE HEATING SYSTEM ............................................................................................... 26
J. FREEZE PROTECTION FLUIDS ........................................................................................................ 27
K. ZONING WITH ZONE VALVES .......................................................................................................... 27
L. ZONING WITH CIRCULATORS ......................................................................................................... 28
M. MULTIPLE BOILERS ......................................................................................................................... 28
PART 5 – VENTING, COMBUSTION AIR AND CONDENSATE REMOVAL
........................................... 28
A. INSTALLING EXHAUST VENT AND INTAKE AIR VENT .................................................................. 28
B. GENERAL ........................................................................................................................................... 29
C. APPROVED MATERIALS FOR EXHAUST VENT AND INTAKE AIR VENT ..................................... 29
D. REQUIREMENTS FOR INSTALLATION IN CANADA ....................................................................... 29
E. EXHAUST VENT AND INTAKE AIR VENT PIPE LOCATION ........................................................... 32
F. EXHAUST VENT AND INTAKE AIR VENT SIZING ........................................................................... 34
G. LONGER VENT RUNS ....................................................................................................................... 34
H. EXHAUST VENT AND INTAKE AIR PIPE INSTALLATION ............................................................... 35
I. BOILER REMOVAL FROM A COMMON VENT SYSTEM .................................................................. 35
J. SIDEWALL VENTING DIAGRAMS ..................................................................................................... 37
K. VERTICAL VENTING DIAGRAMS ..................................................................................................... 39
PART 6 – GAS PIPING
.............................................................................................................................. 41
A. GAS CONNECTION ........................................................................................................................... 41
B. GAS PIPING ....................................................................................................................................... 41
C. GAS TABLE ........................................................................................................................................ 42
D. CHECK INLET GAS PRESSURE ....................................................................................................... 42
E. GAS VALVE ........................................................................................................................................ 44
PART 7 – FIELD WIRING
........................................................................................................................... 46
A. INSTALLATION MUST COMPLY WITH: ............................................................................................ 46
B. FIELD WIRING .................................................................................................................................... 46
C. LINE VOLTAGE WIRING.................................................................................................................... 46
D. ALARM CONNECTIONS .................................................................................................................... 47
E. LOW VOLTAGE CONNECTIONS FOR STANDARD BOILER .......................................................... 47
Содержание Mod Con 300 HL
Страница 13: ...13 Figure 2 ...
Страница 31: ...31 Figure 13 ...
Страница 37: ...37 J SIDEWALL VENTING DIAGRAMS Figure 16 Sidewall Venting with Tee and Coupling ...
Страница 38: ...38 Figure 17 Sidewall Venting Diagrams ...
Страница 39: ...39 K VERTICAL VENTING DIAGRAMS Figure 18 Two Pipe Roof Venting with Tee and Coupling ...
Страница 40: ...40 Figure 19 Roof and Sidewall Venting with Stainless Steel ...
Страница 44: ...44 E GAS VALVE Figure 21 ...
Страница 45: ...45 Figure 22 ...
Страница 55: ...55 Figure 28 Mod Con Internal Connection Diagram ...
Страница 73: ...73 Figure 32 ...
Страница 74: ...74 Figure 33 ...
Страница 75: ...75 Figure 34 ...
Страница 76: ...76 Figure 35 ...
Страница 77: ...77 Figure 36 ...
Страница 80: ...80 ...
Страница 81: ...81 ...
Страница 82: ...82 MAINTENANCE NOTES ...