Strebel S-CB+ Series - Default Chapter; Table of Contents

S-CB
+
Boiler Range Manual
4
TABLE OF CONTENTS
INTRODUCTION…………………………………………………………………………………………….….…...7
1 SAFETY GUIDELINES ................................................................................................................................ 7
2 TECHNICAL DATA S-CB
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BOILERS ......................................................................................................... 9
2.1 FUNCTIONAL INTRODUCTION ............................................................................................................. 9
2.2 TECHNICAL SPECIFICATIONS DATASHEET......................................................................................... 10
3 DIMENSIONS .............................................................................................................................................12
3.1 S-CB
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60-120 .............................................................................................................................. 12
3.2 S-CB
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150-180 ............................................................................................................................ 13
4 ACCESSORIES AND UNPACKING ..........................................................................................................14
4.1 ACCESSORIES ............................................................................................................................... 14
4.2 UNPACKING ................................................................................................................................... 14
5 INSTALLATION OF THE S-CB
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................................................................................................................15
5.1 GENERAL NOTES ........................................................................................................................... 15
5.2 MOUNTING THE BOILER .................................................................................................................. 16
6 CONNECTIONS WATER SIDE .................................................................................................................17
6.1 BOILER CONNECTIONS ................................................................................................................... 17
6.2 CONDENSATE DRAIN CONNECTION .................................................................................................. 17
6.3 FLOW AND RETURN CONNECTIONS .................................................................................................. 18
6.4 THE EXPANSION VESSEL................................................................................................................. 18
6.5 PRESSURE RELIEF VALVE ............................................................................................................... 18
6.6 BYPASS ........................................................................................................................................ 18
6.7 PUMP FUNCTIONALITY .................................................................................................................... 18
6.8 FROST PROTECTION ...................................................................................................................... 19
6.9 INSTALLING A STRAINER AND/OR DIRT SEPARATOR ........................................................................... 19
6.10 WATER QUALITY ............................................................................................................................ 19
6.11 PLASTIC PIPING IN THE HEATING SYSTEM ......................................................................................... 20
6.12 AUTOMATIC AIR VENT ..................................................................................................................... 20
6.13 AUTOMATIC WATER FILLING SYSTEMS ............................................................................................. 20
6.14 WATER PRESSURE ......................................................................................................................... 20
6.15 CHEMICAL WATER TREATMENT ....................................................................................................... 21
6.16 UNDER FLOOR HEATING ................................................................................................................. 21
6.17 FLUSH THE SYSTEM WITH FRESH WATER ......................................................................................... 21
6.18 INSTALLATION EXAMPLES ............................................................................................................... 21
6.18.1 Example of a standard single boiler heating circuit with low loss header ......................... 21
6.18.2 Example of a multiple boiler heating circuit with low loss header ..................................... 23
7 PUMP CHARACTERISTICS ......................................................................................................................24
7.1 HYDRAULIC GRAPHS ...................................................................................................................... 24
7.2 PUMPS: MAXIMUM ELECTRICAL POWER............................................................................................ 27
8 FLUE GAS AND AIR SUPPLY SYSTEM ..................................................................................................27
8.1 GENERAL ...................................................................................................................................... 27
8.2 AIR SUPPLY ................................................................................................................................... 28
8.2.1 Combustion air quality ...................................................................................................... 28
8.2.2 Air supply through humid areas ........................................................................................ 28
8.3 FLUE TERMINAL ............................................................................................................................. 28
8.4 S-CB
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60 TWIN PIPE VERSION ........................................................................................................ 28
8.5 PIPE HEIGHTS AND MUTUAL DISTANCES ON A FLAT ROOF .................................................................. 29
8.6 B23P CERTIFIED ............................................................................................................................ 29
8.7 C63 CERTIFIED .............................................................................................................................. 29
8.8 FLUE GAS AND AIR SUPPLY RESISTANCE TABLE ................................................................................ 30
8.9 FIVE TYPICAL EXAMPLES ................................................................................................................ 31
8.9.1 Example A: Twin pipe system ........................................................................................... 31
8.9.2 Example B: Twin pipe system with concentric roof terminal ............................................. 31
8.9.3 Example C: Single flue gas outlet. Air supply from boiler room ........................................ 33
8.9.4 Example D: Concentric flue gas/air supply pipe (roof-mounted) ...................................... 35
8.9.5 Example E: Concentric flue gas/air supply pipe (wall-mounted) ...................................... 35
9 ELECTRICAL INSTALLATION .................................................................................................................37
9.1 GENERAL ...................................................................................................................................... 37