Table of Contents
1.0
INTRODUCTION ...................................................................................................................................................................................................................................... 5
2.0
PRINCIPAL PARTS .................................................................................................................................................................................................................................. 6
2.1
DIMENSIONAL DRAWINGS ............................................................................................................................................................................................................ 9
3.0
TECHNICAL DATA ................................................................................................................................................................................................................................. 11
4.0
GENERAL REQUIREMENTS ................................................................................................................................................................................................................ 12
4.1
RELATED DOCUMENTS ............................................................................................................................................................................................................... 12
5.0
WATER QUALITY .................................................................................................................................................................................................................................. 13
5.1
ELECTRICAL ANODE PROTECTION SYSTEM ........................................................................................................................................................................... 13
6.0
LOCATION .............................................................................................................................................................................................................................................. 13
6.1
PLANT ROOM REQUIREMENTS .................................................................................................................................................................................................. 13
6.2
GENERAL REQUIREMENTS ......................................................................................................................................................................................................... 13
6.3
CLEARANCES ................................................................................................................................................................................................................................ 14
7.0
GAS SUPPLY ......................................................................................................................................................................................................................................... 14
7.1
SERVICE PIPES ............................................................................................................................................................................................................................. 14
7.2
METERS.......................................................................................................................................................................................................................................... 14
7.3
GAS SUPPLY PIPES ...................................................................................................................................................................................................................... 14
7.4
BOOSTED SUPPLIES .................................................................................................................................................................................................................... 14
7.5
PLANT-ROOM CONTROL VALVE ................................................................................................................................................................................................ 14
7.6
EQUIPMENT GAS SYSTEM LEAK CHECK .................................................................................................................................................................................. 14
8.0
FLUE HOOD ASSEMBLY LBF151 - LBF401 ........................................................................................................................................................................................ 15
8.1
UNPACKING THE FLUE HOOD .................................................................................................................................................................................................... 15
8.2
FLUE HOOD INSTALLATION ........................................................................................................................................................................................................ 15
9.0
FLUE SYSTEM ....................................................................................................................................................................................................................................... 21
9.1
FLUE SYSTEM GENERAL REQUIREMENTS .............................................................................................................................................................................. 21
9.2
APPROVED FLUE SYSTEM .......................................................................................................................................................................................................... 21
9.3
CONCENTRIC FLUE SYSTEM ...................................................................................................................................................................................................... 22
9.3.1
HORIZONTAL CONCENTRIC FLUE FITTING DETAILS LBF81/121 ................................................................................................................................... 22
9.3.2
VERTICAL CONCENTRIC FLUE FITTING DETAILS LBF81/121 ........................................................................................................................................ 23
9.3.3
HORIZONTAL CONCENTRIC FLUE FITTING DETAILS LBF151 – 401 .............................................................................................................................. 24
9.3.4
VERTICAL CONCENTRIC FLUE FITTING DETAILS LBF151 – 401 ................................................................................................................................... 25
9.4
TWIN PIPE FLUE SYTEM .............................................................................................................................................................................................................. 26
9.4.1
HORIZONTAL TWIN PIPE FLUE FITTING DETAILS LBF81/121 ........................................................................................................................................ 26
9.4.2
VERTICAL TWIN PIPE FLUE FITTING DETAILS LBF81/121 .............................................................................................................................................. 27
9.4.3
HORIZONTAL TWIN PIPE FLUE FITTING DETAILS LBF151 – 401 ................................................................................................................................... 28
9.4.4
VERTICAL TWIN PIPE FLUE FITTING DETAILS LBF151 – 401 ......................................................................................................................................... 29
9.5
MAXIMUM FLUE LENGTH - CONCENTRIC ................................................................................................................................................................................. 30
9.6
MAXIMUM FLUE LENGTH – TWIN-PIPE ...................................................................................................................................................................................... 30
9.6.1
AIR RESTRICTION PLATE .................................................................................................................................................................................................... 30
9.7
FLUE DISCHARGE......................................................................................................................................................................................................................... 31
9.8
FLUE HOOD POSITION ................................................................................................................................................................................................................. 31
9.9
FLUE TERMINAL GUARDING ....................................................................................................................................................................................................... 31
10.0
AIR SUPPLY ........................................................................................................................................................................................................................................... 31
10.1
COMBUSTION VENTILATION ....................................................................................................................................................................................................... 31
10.2
COOLING VENTILATION ............................................................................................................................................................................................................... 31
11.0
WATER CONNECTIONS ....................................................................................................................................................................................................................... 32
11.1
GENERAL ....................................................................................................................................................................................................................................... 32
11.1.1
SYSTEM DE-STRATIFICATION ..................................................................................................................................................................................... 32
11.2
OPEN VENTED SYSTEM ARRANGEMENT ................................................................................................................................................................................. 32
11.3
UNVENTED SYSTEM ARRANGEMENT ....................................................................................................................................................................................... 32
11.3.1
EXPANSION VESSEL SIZING ....................................................................................................................................................................................... 35
12.0
ELECTRICAL SUPPLY .......................................................................................................................................................................................................................... 35
12.1
ELECTRICAL CONNECTION ........................................................................................................................................................................................................ 35
12.2
EXTERNAL CONTROLS ................................................................................................................................................................................................................ 36
12.3
ARC WELDING PRECAUTIONS ................................................................................................................................................................................................... 36
12.4
ANCILLARY EQUIPMENT.............................................................................................................................................................................................................. 36
12.5
WIRING DIAGRAMS....................................................................................................................................................................................................................... 37
13.0
COMMISSIONING AND TESTING ........................................................................................................................................................................................................ 39
13.1
ELECTRICAL INSTALLATION ....................................................................................................................................................................................................... 39
13.2
GAS INSTALLATION ...................................................................................................................................................................................................................... 39
13.3
WATER CONNECTIONS ............................................................................................................................................................................................................... 39
13.4
COMMISSIONING THE EQUIPMENT ........................................................................................................................................................................................... 39
13.4.1
GENERAL CHECKS PRIOR TO LIGHTING .................................................................................................................................................................. 39
13.4.2
EQUIPMENT CHECKS PRIOR TO LIGHTING .............................................................................................................................................................. 39
13.4.3
CONTROL PANEL .......................................................................................................................................................................................................... 40
13.4.4
PROCEDURE FOR INITIAL LIGHTING ......................................................................................................................................................................... 40
13.4.5
GAS PRESSURE ADJUSTMENT ................................................................................................................................................................................... 41
13.5
TEMPERATURE ADJUSTMENT PROCEDURE ........................................................................................................................................................................... 42
14.0
LPG FUEL ............................................................................................................................................................................................................................................... 42
14.1
RELATED DOCUMENTS ............................................................................................................................................................................................................... 42
14.2
GAS PRESSURE GOVERNOR ..................................................................................................................................................................................................... 42
14.3
CONVERSION TO LPG .................................................................................................................................................................................................................. 43
14.3.1
LBF81 – 121 .................................................................................................................................................................................................................... 43
14.3.2
LBF151 – 401 .................................................................................................................................................................................................................. 44
14.4
LPG COMMISSIONING AND TESTING ........................................................................................................................................................................................ 44
15.0
MAINTENANCE ...................................................................................................................................................................................................................................... 45
15.1
GENERAL ....................................................................................................................................................................................................................................... 45
15.2
MAINTENANCE SCHEDULE ......................................................................................................................................................................................................... 45
15.3
DRAINING WATER HEATER SYSTEM ........................................................................................................................................................................................ 45
15.4
REMOVING SCALE AND SEDIMENT ........................................................................................................................................................................................... 46
15.5
SACRIFICIAL MAGNESIUM ANODES .......................................................................................................................................................................................... 46
15.5.1
ANODE REMOVAL LBF81/121 ...................................................................................................................................................................................... 46
15.5.2
ANODE REMOVAL LBF151/171 .................................................................................................................................................................................... 47
15.5.3
ANODE REMOVAL LBF221 – 401 ................................................................................................................................................................................. 47
15.6
REFILLING THE WATER HEATER ............................................................................................................................................................................................... 48
15.7
BURNER REMOVAL AND CLEANING .......................................................................................................................................................................................... 48
15.7.1
LBF81 & LBF121 ............................................................................................................................................................................................................. 48
15.7.2
LBF151 – LBF401 ............................................................................................................................................................................................................ 48
15.8
OTHER CHECKS ............................................................................................................................................................................................................................ 49
15.8.1
RELIEF VALVE ................................................................................................................................................................................................................ 49
15.9
FLUE SYSTEM ............................................................................................................................................................................................................................... 49
15.9.1
CORREX ELECTRICAL ANODE PROTECTION SYSTEM ........................................................................................................................................... 49
16.0
USER INSTRUCTIONS .......................................................................................................................................................................................................................... 49
17.0
WARRANTY ........................................................................................................................................................................................................................................... 49
Summary of Contents for LBF121
Page 2: ......
Page 4: ......
Page 20: ...20 Fix the black flue hood casing to the heater using the screws supplied in the box ...
Page 52: ...52 ...