Instruction Manual

ManualsBrandsHTP ManualsWater boilerEFT-399

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