HTP EL-399 - Manual (Page 5)

5
LP- 293 REV. 5.20.14
B. IMPROPER COMBUSTION ....................................................................................................................................................... 8
C. GAS ............................................................................................................................................................................................ 8
D. WHEN SERVICING THE BOILER.............................................................................................................................................. 8
E. BOILER WATER......................................................................................................................................................................... 8
F. BOILER WATER CHEMISTRY* ................................................................................................................................................. 9
G. FREEZE PROTECTION FLUIDS ............................................................................................................................................... 9
PART 2 – BEFORE YOU START ................................................................................................................................................ 9
A. WHAT’S IN THE BOX ................................................................................................................................................................. 9
B. HOW BOILER OPERATES ........................................................................................................................................................ 9
C. OPTIONAL EQUIPMENT ......................................................................................................................................................... 10
PART 3 – PREPARE BOILER LOCATION ............................................................................................................................... 11
A. BEFORE LOCATING THE BOILER ......................................................................................................................................... 11
B. LEVELING AND DIMENSIONS ................................................................................................................................................ 12
C. CLEARANCES FOR SERVICE ACCESS ................................................................................................................................ 12
D. RESIDENTIAL GARAGE INSTALLATION ............................................................................................................................... 14
E. EXHAUST VENT AND INTAKE PIPE....................................................................................................................................... 14
F. PREVENT COMBUSTION AIR CONTAMINATION .................................................................................................................. 15
G. REMOVING A BOILER FROM A COMMON VENT SYSTEM ................................................................................................. 15
H. UNCRATING THE BOILER ...................................................................................................................................................... 16
PART 4 – BOILER PIPING ........................................................................................................................................................ 16
A. GENERAL PIPING INFORMATION ......................................................................................................................................... 16
B. RELIEF VALVE ........................................................................................................................................................................ 17
C. BACKFLOW PREVENTER ...................................................................................................................................................... 17
D. SYSTEM WATER PIPING METHODS ..................................................................................................................................... 17
E. CIRCULATORS ........................................................................................................................................................................ 18
F. HYDRONIC PIPING WITH CIRCULATORS, ZONE VALVES, AND MULTIPLE BOILERS ...................................................... 18
G. PIPING DETAILS* .................................................................................................................................................................... 19
H. PIPING INSTALLATION ........................................................................................................................................................... 23
I. CIRCULATOR SIZING ............................................................................................................................................................... 23
J. CHECK/CONTROL WATER CHEMISTRY ............................................................................................................................... 25
K. FILL AND PURGE HEATING SYSTEM .................................................................................................................................... 26
L. GLYCOL ANTIFREEZE SOLUTIONS ....................................................................................................................................... 26
M. ZONING WITH ZONE VALVES ............................................................................................................................................... 26
N. ZONING WITH CIRCULATORS ............................................................................................................................................... 27
O. MULTIPLE BOILERS ............................................................................................................................................................... 27
PART 5 – VENTING, COMBUSTION AIR, AND CONDENSATE REMOVAL ........................................................................... 27
A. GENERAL ................................................................................................................................................................................ 27
B. APPROVED MATERIALS FOR EXHAUST VENT AND INTAKE PIPE .................................................................................... 28
C. REQUIREMENTS FOR INSTALLATION IN CANADA ............................................................................................................. 28
D. EXHAUST VENT AND INTAKE PIPE LOCATION ................................................................................................................... 29
E. EXHAUST VENT AND INTAKE PIPE SIZING .......................................................................................................................... 32