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HTP 850 LPHL User Manual

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LP- 205 REV. 3.28.14

PART 4

– BOILER PIPING ........................................................................................................................................................ 14

A. GENERAL PIPING INFORMATION .......................................................................................................................................... 14

B. RELIEF VALVE ......................................................................................................................................................................... 15

C. BACKFLOW PREVENTER ....................................................................................................................................................... 15

D. SYSTEM WATER PIPING METHODS ..................................................................................................................................... 15

E. CIRCULATORS ........................................................................................................................................................................ 16

F. HYDRONIC PIPING WITH CIRCULATORS, ZONE VALVES, AND MULTIPLE BOILERS ...................................................... 16

G. CIRCULATOR SIZING ............................................................................................................................................................. 17

H. FILL AND PURGE HEATING SYSTEM .................................................................................................................................... 18

I. FREEZE PROTECTION FLUIDS ............................................................................................................................................... 19

J. ZONING WITH ZONE VALVES ................................................................................................................................................. 19

K. ZONING WITH CIRCULATORS ............................................................................................................................................... 19

L. MULTIPLE BOILERS ................................................................................................................................................................ 19

M. BOILER PIPING DETAILS ....................................................................................................................................................... 20

PART 5

– VENTING, COMBUSTION AIR AND CONDENSATE REMOVAL............................................................................ 23

A. GENERAL ................................................................................................................................................................................. 24

B. APPROVED MATERIALS FOR EXHAUST AND INTAKE AIR VENTS .................................................................................... 24

C. REQUIREMENTS FOR INSTALLATION IN CANADA .............................................................................................................. 25

D. EXHAUST VENT AND INTAKE AIR VENT PIPE LOCATION .................................................................................................. 26

E. EXHAUST VENT AND INTAKE AIR VENT SIZING .................................................................................................................. 29

F. LONGER VENT RUNS ............................................................................................................................................................. 29

G. EXHAUST VENT AND INTAKE AIR PIPE INSTALLATION ..................................................................................................... 29

H. BOILER REMOVAL FROM A COMMON VENT SYSTEM ....................................................................................................... 30

I. SIDEWALL VENTING DIAGRAMS ............................................................................................................................................ 31

J. VERTICAL VENTING DIAGRAMS ............................................................................................................................................ 33

PART 6

– GAS PIPING .............................................................................................................................................................. 35

A. GAS CONNECTION ................................................................................................................................................................. 35

B. GAS PIPING ............................................................................................................................................................................. 35

C. GAS TABLE .............................................................................................................................................................................. 36

D. CHECK INLET GAS PRESSURE ............................................................................................................................................. 36

E. GAS VALVE .............................................................................................................................................................................. 37

PART 7

– FIELD WIRING .......................................................................................................................................................... 39

A. INSTALLATION MUST COMPLY WITH: .................................................................................................................................. 39

B. FIELD WIRING.......................................................................................................................................................................... 39

C. LINE VOLTAGE WIRING .......................................................................................................................................................... 39

D. ALARM CONNECTIONS .......................................................................................................................................................... 40

E. LOW VOLTAGE CONNECTIONS FOR STANDARD BOILER ................................................................................................. 40

F. THERMOSTAT.......................................................................................................................................................................... 40

G. OUTDOOR SENSOR ............................................................................................................................................................... 40

H. INDIRECT SENSOR ................................................................................................................................................................. 40

I. OPTIONAL 0-10 VOLT BUILDING CONTROL SIGNAL ............................................................................................................ 41

This manual is related to the following products:
See also other documents in the category HTP Water boiler: