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Bosch SST150-40, Installation And Operating Manual

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Indirect Fired Water Heaters Installation and Operating Manual 

Installation & Operating  Manual

 

as listed in the “Clinical Toxicology of Commercial 

Products”. A maximum 50/50 mixture of inhibited 

propylene glycol is recommended. Follow the antifreeze 

manufacturer’s instructions.

Do not use automotive, ethylene glycol or 

petroleum-based antifreeze. Do not use any 

undiluted antifreeze. This can cause severe personal 

injury, death, or substantial property damage.

WARNING

Summary of Contents for SST150-40

Page 1: ...installing Perform steps in the order given Failure to comply could result in severe personal injury death or substantial property damage CAUTION The heat transfer medium must be water or other nontoxic fluid having a toxicity rating or class of 1 as listed in Clinical Toxicology of Commercial Products 5th edition The pressure of the heat transfer medium must be limited to a maximum of 30 PSIG by ...

Page 2: ...2 Indirect Fired Water Heaters Installation and Operating Manual Installation Operating Manual ...

Page 3: ...Manual Installation Operating Manual Table of Contents 1 General Information 6 2 Pre installation 7 3 Boiler Side Piping 8 4 Domestic Side Tank Piping 13 5 Wiring 17 6 Start up and Check out 18 7 Maintenance 19 8 Performance Data 21 Limited Lifetime Warranty 25 ...

Page 4: ...will result in death or serious injury WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury WARNING CAUTION indicates a potentially hazardous situtation which if not avoided may result in minor or moderate injury CAUTION CAUTION used without the safety alert symbol indicates a potentially hazardous situation which if not avoided may resul...

Page 5: ...re all connections are tight Direct water flow away from any person Protection Must Be Taken Against Excessive Temperature and Pressure Installation of a Temperature Pressure T P relief valve is required Failure to adhere to the guidelines on this page can result in severe personal injury death or substantial property damage WARNING If the information in this manual is not followed exactly a fire ...

Page 6: ...4 BOILER WATER OUT 5 DRAIN COLD WATER INLET 5 4 3 3 4 NPT 1 1 NPT SEE NOTE 1 2 SST150 SST450 PART NO A in B in C in D in E in F in SST150 40 SST250 65 SST300 80 SST450 119 3 3 1 4 3 1 4 3 1 4 8 1 4 9 1 4 9 1 4 9 1 4 25 1 4 28 31 3 4 48 1 2 52 1 2 61 3 4 60 1 4 56 60 70 69 20 24 24 28 WEIGHT FULL OF WATER lbs 515 820 921 1268 28 Figure 1 1 Single Wall Heat Exchanger National Standard Plumbing Code ...

Page 7: ... as it is certified as an indoor appliance and must also be kept vertical on a level surface 2 Keep distance between boiler and water heater to a minimum to a reduce piping heat loss b provide minimal friction loss 3 Figure 1 1 on page 6 shows the weights of all the tanks filled with water Make sure that the location chosen for the tank is capable of supporting it This appliance must be placed whe...

Page 8: ...culator zone piping Zone with Valve to Aquastat As with the circulator zone system this system is just like a standard heating zone system except that one of the zones is connected to the tank coil as shown in FIG 3 3 The system circulator must be large enough to move boiler water through the coil regardless of the flow rate required through the heating zones Pressure Drop Values Table 3B Model Wa...

Page 9: ...AT HOT WATER OUT CHECK VALVE SST series tank DRAIN POINT Y STRAINER RECOMMENDED GB 142 BOILER AIR SEPARATOR EXPANSION TANK BALL VALVE TYPICAL SYSTEM CIRCULATOR TO SYSTEM SYSTEM SUPPLY SENSOR PRESSURE RELIEF VALVE Figure 3 1 GB142 Boiler Low Loss Header piping Please note that these illustrations are meant to show system piping concept only the installer is responsible for all equipment and detaili...

Page 10: ...E 3 ZONE 4 ZONE CIRCULATORS TYPICAL FLOW CHECK VALVE SYSTEM SUPPLY SENSOR WHEN USED TANK SENSOR AQUASTAT PRESSURE RELIEF VALVE Y STRAINER RECOMMENDED DRAIN FIELD SUPPLY HOT WATER OUT ANTI SCALD MIXING VALVE RECIRCULATION PUMP CHECK VALVE GB 142 BOILER BALL VALVE Figure 3 2 Piping diagram zoned with circulators Please note that these illustrations are meant to show system piping concept only the in...

Page 11: ...NE 4 ZONE VALVES TYPICAL DIFFERENTIAL PRESSURE BYPASS VALVE IF USED SYSTEM CIRCULATOR SYSTEM SUPPLY SENSOR WHEN USED TANK SENSOR AQUASTAT PRESSURE RELIEF VALVE DRAIN FIELD SUPPLY RECIRCULATION PUMP CHECK VALVE SST series tank DRAIN POINT Y STRAINER RECOMMENDED GB 142 BOILER BALL VALVE Figure 3 3 Piping diagram zoned with valves Please note that these illustrations are meant to show system piping c...

Page 12: ...AQUASTAT TYPICAL CHECK VALVE SST series tank SST series tank FROM SYSTEM DRAIN POINT Y STRAINER RECOMMENDED GB 142 BOILER AIR SEPARATOR EXPANSION TANK BALL VALVE TYPICAL SYSTEM CIRCULATOR TO SYSTEM SYSTEM SUPPLY SENSOR Figure 3 4 Multiple tank connections Please note that these illustrations are meant to show system piping concept only the installer is responsible for all equipment and detailing r...

Page 13: ...w preventer check with the appropriate authority to find out whether one backflow preventer may be used for tanks or each tank must be equipped with its own backflow preventer If each tank must have its own backflow preventer each tank must also have its own expansion tank If a common backflow preventer is permitted an expansion tank must be sized to accommodate the expansion volume of all tanks D...

Page 14: ...in valve and fittings are supplied by others Standard Installation Install a tee connection at the domestic cold water inlet FIG 4 1 DRAIN VALVE Figure 4 1 Drain valve installed Temperature Pressure T P Relief Valve For protection against excessive temperatures and pressure install temperature and pressure protective equipment required by local codes but not less than a combination temperature and...

Page 15: ...iceable for a temperature of 250 F or greater directed so that hot water flows away from all persons directed to a suitable place for disposal installed so as to allow complete draining of the T P relief valve and discharge line terminated within 6 of the floor T P relief valve discharge piping must not be excessively long Using more than two 2 elbows or 15 feet of piping can reduce discharge capa...

Page 16: ...NTER SHUTOFF VALVE SHUTOFF VALVE ANTI SCALD MIXING VALVE DRAIN FIELD SUPPLY RECIRCULATION PUMP TO BOILER FROM BOILER CHECK VALVE TANK SENSOR AQUASTAT SST SERIES TANK Figure 4 2 Recommended domestic water piping Please note that these illustrations are meant to show system piping concept only the installer is responsible for all equipment and detailing required by local codes NOTICE ...

Page 17: ...d Zone Circulator Valve 1 Install Aquastat to tank Aquastat control Honeywell L4006 or equivalent can be ordered from your local distributor 2 Connect Aquastat to the zone controller for the Indirect Water Heater Zone 3 Adjust Aquastat to the desired temperature INDIRECT TANK AQUASTAT CONTROL Honeywell L4006 or equivalent TEMPERATURE ADJUSTMENT WIRE CONNECTIONS ZONE CONTROL BOX OR ZONE VALVE OR ZO...

Page 18: ...r heater will be unused for an extended period of time after installation Flush the indirect water heater by drawing at least three times its volume from the tank 3 Make sure that all electrical connections are made correctly and that no exposed high voltage wiring is present 4 Make sure that each zone valve or circulator operates when and only when its thermostat calls for heat Let each zone oper...

Page 19: ...ping DANGER Plugging the T P relief valve or discharge piping can cause excessive pressure in the water heater resulting in severe personal injury death or substantial property damage 5 Review homeowner s maintenance responsibilities and their frequencies including any not listed in the following section Homeowner monthly maintenance to include 1 Visually check valves pipes and fittings for leaks ...

Page 20: ...gy of Commercial Products A maximum 50 50 mixture of inhibited propylene glycol is recommended Follow the antifreeze manufacturer s instructions Do not use automotive ethylene glycol or petroleum based antifreeze Do not use any undiluted antifreeze This can cause severe personal injury death or substantial property damage WARNING ...

Page 21: ...Heat Source Flow Rate GPM Tank Heat Source Friction Loss Feet W C SST150 40 40 0 1 6 0 7 181 208 115 000 14 0 4 5 SST250 65 67 0 1 9 0 5 263 327 154 000 14 0 5 7 SST300 80 81 5 2 1 0 5 285 358 171 000 14 0 6 1 SST450 119 113 4 3 2 0 4 349 459 216 000 14 0 6 5 These ratings were obtained with a heat source output and heat source flow rate as listed in the chart using the parameters of the Domestic ...

Page 22: ...ate the minimum gallons of hot water required based on a family size number of baths and hot water appliances the First Hour Rating of the STS tank must be equal to or exceed the total first hour requirements Peak Hour Demand Worksheet Description Fill in the Blank Example 40 Gallons for the first 2 people ___________________________ Gals 40 Gals 10 Gallons for each additional person _____________...

Page 23: ...5 000 122 97 122 97 153 128 153 128 60 000 150 118 150 118 183 149 183 149 75 000 179 138 179 138 213 170 213 170 95 000 217 165 217 165 217 165 252 197 252 197 252 197 115 000 217 165 252 189 252 189 252 189 291 226 291 226 291 226 291 226 140 000 252 189 267 200 282 211 286 208 305 235 319 245 338 259 338 259 338 259 165 000 267 200 282 211 286 213 305 235 319 245 356 271 386 293 388 294 195 000...

Page 24: ...193 159 226 193 226 193 75 000 222 180 222 180 255 213 255 213 95 000 261 207 261 207 261 207 294 241 294 241 294 241 115 000 300 235 300 235 300 235 300 235 333 268 333 268 333 268 333 268 140 000 304 238 347 268 347 268 347 268 347 268 384 302 382 302 382 302 382 302 382 302 165 000 304 238 349 270 374 288 395 302 395 302 387 306 429 337 429 337 429 337 429 337 195 000 349 270 374 288 409 312 42...

Page 25: ...mbly upon the payment of a proportional charge based upon the time the TANK has been in service Replacement will be made with the nearest comparable model available from BTC at the time of such replacement The proportional charge will be equal to the appropriate percentage of the current list price of such TANK or the then nearest comparable BTC model at the time the warranty claim is made and wil...

Page 26: ...ve at the time of installation Any TANK that has a failure or malfunction resulting from failure to keep the tank full of potable water failure to assure that water in the tank is free to circulate at all times failure to keep the tank free of water sediment or scale deposits or failure to inspect the anode rods at intervals of not more than two years Any TANK that is installed where polybutylene ...

Page 27: ... 27 Indirect Fired Water Heaters Installation and Operating Manual Installation Operating Manual ...

Page 28: ...United States and Canada Bosch Thermotechnology Corp 50 Wentworth Avenue Londonderry NH 03053 Tel 603 552 1100 Fax 603 584 1681 www bosch us BTC 471003301 A 09 2010 SST I O Rev A ...

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