5
LP-387 REV. 6.10.14
TABLE OF CONTENTS
PART 1
– GENERAL SAFETY INFORMATION .......................................................................................................................... 8
A. PRECAUTIONS .......................................................................................................................................................................... 8
B. IMPROPER COMBUSTION ....................................................................................................................................................... 8
C. GAS ............................................................................................................................................................................................ 8
D. WHEN SERVICING THE BOILER.............................................................................................................................................. 8
E. BOILER SYSTEM ....................................................................................................................................................................... 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 ...................................................................................................................................................... 10
C. OPTIONAL EQUIPMENT ......................................................................................................................................................... 11
PART 3
– PREPARE BOILER LOCATION ............................................................................................................................... 11
A. BEFORE LOCATING THE BOILER ......................................................................................................................................... 11
B. LEVELING ................................................................................................................................................................................ 12
C. CLEARANCES FOR SERVICE ACCESS ................................................................................................................................ 12
D. RESIDENTIAL GARAGE, CLOSET, AND ALCOVE INSTALLATIONS.................................................................................... 15
E. EXHAUST VENT AND INTAKE PIPE....................................................................................................................................... 15
F. PREVENT COMBUSTION AIR CONTAMINATION .................................................................................................................. 15
G. REMOVING AN BOILER FROM A COMMON VENT SYSTEM ............................................................................................... 16
PART 4
– PREPARE BOILER ................................................................................................................................................... 16
A. REMOVE THE BOILER FROM PACKAGING .......................................................................................................................... 16
B. WALL MOUNTING CONSIDERATIONS .................................................................................................................................. 17
C. WALL MOUNTING INSTRUCTIONS ....................................................................................................................................... 17
1. MOUNTING TO A WOOD STUDDED WALL .................................................................................................................................................... 17
2. MOUNTING TO A METAL FRAME ................................................................................................................................................................... 18
PART 5
– BOILER PIPING ........................................................................................................................................................ 18
A. GENERAL PIPING INFORMATION ......................................................................................................................................... 19
B. RELIEF VALVE ........................................................................................................................................................................ 19
C. BACKFLOW PREVENTER ...................................................................................................................................................... 20
D. SYSTEM WATER PIPING METHODS ..................................................................................................................................... 20
E. CIRCULATORS ........................................................................................................................................................................ 20
F. HYDRONIC PIPING WITH CIRCULATORS, ZONE VALVES, AND MULTIPLE BOILERS ...................................................... 21
G. PIPING DETAILS ..................................................................................................................................................................... 21
H. PIPING INSTALLATION ........................................................................................................................................................... 29
I. CIRCULATOR SIZING ............................................................................................................................................................... 29
J. CHECK/CONTROL WATER CHEMISTRY ............................................................................................................................... 30
K. FILL AND PURGE HEATING SYSTEM .................................................................................................................................... 31
L. GLYCOL ANTIFREEZE SOLUTIONS ....................................................................................................................................... 32
M. ZONING WITH ZONE VALVES ............................................................................................................................................... 32
