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GI-IM048En-1013
TABLE OF CONTENTS
FOREWORD ................................................................................................................................................................................ 3
FOR THE INSTALLER................................................................................................................................................................. 3
PART 1 – GENERAL SAFETY INFORMATION .......................................................................................................................... 6
A. PRECAUTIONS .......................................................................................................................................................................... 6
B. IMPROPER COMBUSTION ........................................................................................................................................................ 6
C. GAS ............................................................................................................................................................................................ 6
D. WHEN SERVICING THE HEATER ............................................................................................................................................. 6
E. HEATER WATER........................................................................................................................................................................ 6
PART 2 – BEFORE YOU START ................................................................................................................................................ 7
A. WHAT’S IN THE BOX ................................................................................................................................................................. 7
B. HOW THE HEATER OPERATES ............................................................................................................................................... 7
C. OPTIONAL EQUIPMENT ........................................................................................................................................................... 8
PART 3 – PREPARE WATER HEATER LOCATION .................................................................................................................. 8
A. BEFORE LOCATING THE HEATER .......................................................................................................................................... 9
B. LEVELING .................................................................................................................................................................................. 9
C. CLEARANCES FOR SERVICE ACCESS ................................................................................................................................. 10
D. RESIDENTIAL GARAGE INSTALLATION ................................................................................................................................ 10
E. EXHAUST VENT AND INTAKE PIPE ....................................................................................................................................... 10
1. DIRECT VENT INSTALLATION OF EXHAUST VENT AND INTAKE PIPE .................................................................................................. 11
2. INDOOR COMBUSTION AIR INSTALLATION IN CONFINED OR UNCONFINED SPACE ......................................................................... 11
F. PREVENT COMBUSTION AIR CONTAMINATION .................................................................................................................. 11
G. REMOVING A HEATER FROM A COMMON VENT SYSTEM ................................................................................................ 12
H. WATER CHEMISTRY ............................................................................................................................................................... 13
PART 4 – HEATER PIPING ....................................................................................................................................................... 15
A. GENERAL PIPING INFORMATION .......................................................................................................................................... 15
B. SCALDING ................................................................................................................................................................................ 16
C. TEMPERATURE AND PRESSURE RELIEF VALVE ................................................................................................................ 16
D. BACKFLOW PREVENTER ....................................................................................................................................................... 16
E. POTABLE EXPANSION TANK ................................................................................................................................................. 16
F. WATER PIPING ........................................................................................................................................................................ 17
G. AUXILIARY CONNECTIONS ................................................................................................................................................... 17
H. PIPING DIAGRAM .................................................................................................................................................................... 18
PART 5 – VENTING, COMBUSTION AIR AND CONDENSATE REMOVAL ............................................................................ 24
A. GENERAL ................................................................................................................................................................................. 24
B. APPROVED MATERIALS FOR EXHAUST VENT AND INTAKE PIPE .................................................................................... 24
C. REQUIREMENTS FOR INSTALLATION IN CANADA .............................................................................................................. 25
D. EXHAUST VENT AND INTAKE PIPE LOCATION ................................................................................................................... 25
1. DETERMINE EXHAUST VENT LOCATION .................................................................................................................................................. 25
2. DETERMINE INTAKE PIPE LOCATION ....................................................................................................................................................... 26
E. EXHAUST VENT AND INTAKE PIPE SIZING .......................................................................................................................... 27
Содержание UGC120S-100
Страница 36: ...36 GI IM048En 1013 Figure 18 LP LP ...
Страница 39: ...39 GI IM048En 1013 D INTERNAL WIRING DIAGRAM Figure 21 Wiring Diagram LP ...
Страница 40: ...40 GI IM048En 1013 Figure 22 LP 179 L LP ...
Страница 49: ...49 GI IM048En 1013 Figure 26 LP 179 J LP ...
Страница 50: ...50 GI IM048En 1013 Figure 27 LP 179 H LP ...
Страница 52: ...52 GI IM048En 1013 MAINTENANCE NOTES ...