Bosch SST150-40 Installation And Operating Manual Download Page 26

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Indirect Fired Water Heaters Installation and Operating Manual 

Installation & Operating  Manual

 

If you are the first purchaser at retail, and the current owner, of the 
TANK that is still located at the site of its original installation, and you 
think you are entitled to service under the foregoing warranty you 
should follow the following procedure:

1.     Notify the heating contractor who installed your TANK and 

ask that the contractor notify the distributor from whom the 
contractor purchased the TANK. 

2.  If this action is not possible or does not result in warranty 

service, contact:

Bosch Thermotechnology Corporation 
Warranty Service
50 Wentworth Ave.
Londonderry, NH 03053

To support the warranty claim, include the following:

a.  A copy of your original invoice or other proof of purchase 

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

 

                                                                                                                

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

b.  Original installation date
c.  Location
d.  Serial number of the Tank

3.  The alleged defective components or parts must be returned 

to BTC through trade channels in accordance with BTC 
procedure then in force for handling goods returned for the 
purpose of inspection to determine cause of failure. 

4.  If BTC determines that the returned components and/or 

parts are defective and that this warranty applies, BTC will 
furnish the repaired of replacement components and/or 
parts to an authorized distributor who, in turn, will
forward the components and/or parts to the heating 
contractor who installed your TANK.

This warranty gives you specific legal rights, and you may also have 

other rights, which vary from state to state.

Limited Lifetime Warranty for Residential Hot Water Tanks (continued)

Limited Warranty for Domestic Hot Water Tanks 

Installed in Commercial Applications

First and second years

BTC warrants that its DHW TANKS are free from defects in material 
and workmanship for two years from the date of installation when 
installed in commercial applications. If any parts are found to be 
defective in manufacture, BTC will repair or replace the defective 
parts.

This warranty is subject to the conditions that the DHW TANK 
must have been installed by a heating contractor whose principal 
occupation is the sale and installation of plumbing, heating and/or, air 
conditioning.

This warranty does not cover:

Components or parts that are part of the domestic hot water 
system but were not provided by as a part of the DHW 
TANK.
The workmanship of any installer. BTC disclaims and does not 
assume any liability of any nature for unsatisfactory performance 
caused by improper installation.
Any costs for labor for removal and reinstallation of the 
alleged defective component or part, transportation to BTC, if 
necessary, and any materials necessary to perform the repair or 
replacement.
Any TANK that does not have installed a new temperature-pressure 
relief valve 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 pipe without an 
oxygen barrier is used.
Any TANK in which the water condition does not achieve and 
maintain the required water specifications of a minimum of two (2) 
grains of hardness.
Any TANK that is used for a non-potable application such as pool or 
process heating.
Damage to the TANK or any of its original components or parts
caused by excessive temperatures or pressures, fuel or gas  

 

explosion, electrochemical reaction, water and air impurities,  

This warranty does not extend to anyone except the first purchaser 

of the TANK and only when the TANK is in its original installation site.

IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR 
PURPOSE AND MERCHANTABILITY SHALL BE LIMITED 
TO THE DURATION OF THE EXPRESS WARRANTY, BTC 
EXPRESSLY DISCLAIMS AND EXCLUDES ANY LIABILITY FOR 
CONSEQUENTIAL OR INCIDENTAL DAMAGES FOR BREACH OF 
ANY EXPRESS OR IMPLIED WARRANTY.

Some states do not allow the exclusion or limitation of incidental 

or consequential damages, or limitations on how long an implied 

warranty lasts, so the above limitations and exclusions may not apply 

to you.

For prompt warranty service, notify the heating contractor who 
installed your TANK, and he in turn will notify the distributor from 
whom they purchased the TANK. If this action does not result in 
warranty service, contact Bosch Thermotechnology Corp., 50 
Wentworth Avenue, Londonderry, NH 03053 with details in support 
of the warranty claim. The alleged defective components or parts 
must be returned to BTC through trade channels in accordance 
with BTC procedure then in force for handling goods returned 
for the purpose of inspection to determine cause of failure. If BTC 
determines that the returned components and/or parts are defective 
and that this warranty applies, BTC will furnish the repaired or 
replacement components and/or parts to an authorized BTC 
distributor who, in turn, will forward the components and/or parts 
to the heating contractor who installed your TANK. If you have, any 
questions about the coverage of this warranty, contact BTC at the 
address below.

This warranty gives you specific legal rights, and you may also have 

other rights, which vary from state to state.

1.

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9.

44499037  06/08

Effective 6/1/2008

Bosch Thermotechnology Corp. • 50 Wentworth Avenue • Londonderry, NH 03053

Tel: (603) 552-1100  Fax: (603) 584-1681

 

electrical failures, riots, insurrection or acts of God.

 

Any TANK that has a failure or malfunction resulting from improper  

 

or negligent operation, accident, abuse, freezing, misuse,    

 

unauthorized alteration or improper repair or maintenance.

10.

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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