5
LP-387 REV. 12.15.14
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
1. DIRECT VENT INSTALLATION OF EXHAUST VENT AND INTAKE PIPE ....................................................................................................... 15
2. INDOOR COMBUSTION AIR INSTALLATION IN CONFINED OR UNCONFINED SPACE .............................................................................. 15
F. PREVENT COMBUSTION AIR CONTAMINATION .................................................................................................................. 16
G. REMOVING AN BOILER FROM A COMMON VENT SYSTEM ............................................................................................... 17
PART 4
– PREPARE BOILER ................................................................................................................................................... 17
A. REMOVE THE BOILER FROM PACKAGING .......................................................................................................................... 17
B. WALL MOUNTING CONSIDERATIONS .................................................................................................................................. 18
C. WALL MOUNTING INSTRUCTIONS ....................................................................................................................................... 18
1. MOUNTING TO A WOOD STUDDED WALL .................................................................................................................................................... 18
2. MOUNTING TO A METAL FRAME ................................................................................................................................................................... 19
PART 5
– BOILER PIPING ........................................................................................................................................................ 19
A. GENERAL PIPING INFORMATION ......................................................................................................................................... 20
B. RELIEF VALVE ........................................................................................................................................................................ 20
C. BACKFLOW PREVENTER ...................................................................................................................................................... 21
D. SYSTEM WATER PIPING METHODS ..................................................................................................................................... 21
E. CIRCULATORS ........................................................................................................................................................................ 21
F. HYDRONIC PIPING WITH CIRCULATORS, ZONE VALVES, AND MULTIPLE BOILERS ...................................................... 22
G. PIPING DETAILS ..................................................................................................................................................................... 22
H. PIPING INSTALLATION ........................................................................................................................................................... 30
I. CIRCULATOR SIZING ............................................................................................................................................................... 30
J. CHECK/CONTROL WATER CHEMISTRY ............................................................................................................................... 31
K. FILL AND PURGE HEATING SYSTEM .................................................................................................................................... 32
Summary of Contents for EFT-110
Page 14: ...14 LP 387 REV 12 15 14 SPECIFICATIONS AND DIMENSIONS Figure 2 LP 387 K ...
Page 24: ...24 LP 387 REV 12 15 14 Figure 8 Piping Symbol Legend ...
Page 58: ...58 LP 387 REV 12 15 14 Figure 32 Cascade Master and Follower Wiring ...
Page 59: ...59 LP 387 REV 12 15 14 Figure 33 Internal Connection Diagram LP 293 J ...
Page 82: ...82 LP 387 REV 12 15 14 EFT 55 80 110 PARTS BREAKDOWN Figure 36 Replacement Parts LP 387 J ...
Page 88: ...88 LP 387 REV 12 15 14 ...
Page 89: ...89 LP 387 REV 12 15 14 ...
