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Installation & Operation

Manual

Models:  SDT/SET065 - 119

This  manual  must  only  be  used  by  a
qualified heating installer / service
technician. Read all instructions
before installing.  Perform steps in the
order given.  Failure to comply could
result in severe personal injury, death,
or substantial property damage.

WARNING

Save this manual for future reference.

SDT-SET-I-O Rev C

SDT

Solar Dual Coil Tank

SET

Solar Electric Tank

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 an
approved safety or relief valve.

Содержание SQUIRE SDT/SET065 - 119

Страница 1: ...al injury death or substantial property damage WARNING Save this manual for future reference SDT SET I O Rev C SDT Solar Dual Coil Tank SET Solar Electric Tank 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 ...

Страница 2: ...ating Restrictions 4 Single Wall Heat Exchanger 4 2 PRE INSTALLATION Locating the Tank 5 Recommended Clearances 5 3 BOILER SIDE PIPING SDT MODELS Zone with Circulator to Aquastat 6 Zone with Valve to Aquastat 6 DHW Prioritization 6 Multiple Tank Connections Boiler Side 6 Table 3A 3B Pressure Drop Charts 7 Table 3C Pressure Drop Values 7 Piping Diagrams 8 11 4 DOMESTIC SIDE TANK PIPING Basic Domest...

Страница 3: ...ELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier WARNING NOTICE WARNING ...

Страница 4: ... 16 60 1 8 60 1 8 59 7 8 69 3 8 59 7 8 68 3 16 69 3 8 68 3 16 59 7 8 59 7 8 59 7 8 N A N A N A 24 24 28 24 24 28 921 820 1268 921 820 1268 1 RELIEF VALVE CONNECTION 2 HOT WATER OUTLET 3 BOILER WATER IN 4 BOILER WATER OUT 5 DRAIN COLD WATER INLET 6 SOLAR WATER IN 7 SOLAR WATER OUT 8 ELEMENT I I 22 5 o 45 o SOLAR ELECTRIC SOLAR DUAL COIL 2 5 7 6 8 1 5 7 6 8 3 1 2 1 1 2 FPT 1 1 2 FPT 1 1 2 MPT 1 1 2 ...

Страница 5: ... provide minimal friction loss 3 Figure 1 1 on page 4 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 where leakage from the relief valve leakage from the related piping or leakage from the tank or connections will not result in damage to the surrounding areas or to the lower floors of th...

Страница 6: ...traight heat job except that one of the zones goes to the tank instead of radiation As on any circulator zone system check valves should be installed in each zone to prevent unwanted circulation through zones which are not calling for heat Figure 3 1 on page 8 illustrates typical circulator zone piping Zone with Valve to Aquastat As with the circulator zone system this system is just like a standa...

Страница 7: ... GPM 8 GPM 12 GPM 16 GPM 20 GPM SDT065 1 41 5 13 5 0 61 1 57 3 53 6 27 9 8 28 9 2 0 4 1 03 2 31 4 1 6 41 SDT080 1 41 5 13 5 0 61 1 57 3 53 6 27 9 8 28 9 2 0 4 1 03 2 31 4 1 6 41 SDT119 1 67 3 22 0 73 1 87 4 22 7 5 11 71 48 5 16 0 61 1 57 3 53 6 27 9 8 SET065 1 41 5 13 5 0 61 1 57 3 53 6 27 9 8 SET080 1 41 5 13 5 0 61 1 57 3 53 6 27 9 8 SET119 1 67 3 22 0 73 1 87 4 22 7 5 11 71 3 Boiler Side Piping...

Страница 8: ... SCALD MIXING VALVE RECIRCULATION PUMP TEMPERATURE PRESSURE RELIEF VALVE TEMPERATURE PRESSURE GAUGE TYPICAL GAS SUPPLY CHECK VALVE BOILER TANK SENSOR AQUASTAT SOLAR SENSOR AUXILIARY CATCH PAN CHECK VALVE DRAIN FROM SOLAR TO SOLAR SOLAR HEAT EXCHANGER BOILER BACKUP HEAT EXCHANGER SDT MODELS ONLY ZONE 2 ZONE 3 ZONE 4 Figure 3 1 Piping Diagram Zoned with Circulators Please note that these illustratio...

Страница 9: ...URE PRESSURE RELIEF VALVE TEMPERATURE PRESSURE GAUGE TYPICAL SOLAR HEAT EXCHANGER GAS SUPPLY CHECK VALVE BOILER TANK SENSOR AQUASTAT SOLAR SENSOR AUXILIARY CATCH PAN CHECK VALVE DRAIN FROM SOLAR TO SOLAR ZONE VALVES TYPICAL DIFFERENTIAL PRESSURE BYPASS VALVE IF USED SYSTEM CIRCULATOR BOILER BACKUP HEAT EXCHANGER SDT MODELS ONLY Figure 3 2 Piping Diagram Zoned with Valves Please note that these ill...

Страница 10: ...TEM CIRCULATOR TO SYSTEM SYSTEM SUPPLY SENSOR DRAIN DRAIN FIELD SUPPLY RECIRCULATION PUMP BOILER TANK SENSOR AQUASTAT Y STRAINER RECOMMENDED HOT WATER OUT CHECK VALVE SQUIRE SOLAR SENSOR FROM SOLAR TO SOLAR TEMPERATURE PRESSURE RELIEF VALVE CHECK VALVE SOLAR HEAT EXCHANGER TEMPERATURE PRESSURE GAUGE TYPICAL BOILER BACKUP HEAT EXCHANGER SDT MODELS ONLY Figure 3 3 Knight Boiler Primary Secondary Pip...

Страница 11: ... TYPICAL RECIRCULATION PUMP TO SOLAR FROM SOLAR TEMPERATURE PRESSURE GAUGE TYPICAL SOLAR SENSOR CHECK VALVE BOILER TANK SENSOR AQUASTAT TEMPERATURE PRESSURE RELIEF VALVE COLD WATER IN ANTI SCALD MIXING VALVE HOT WATER OUT DOMESTIC HOT WATER CIRCULATOR BOILER CIRCULATOR Y STRAINER RECOMMENDED NOT TO EXCEED 4 PIPE DIA OR A MAXIMUM OF 12 APART FROM SYSTEM Figure 3 4 Multiple Tank Connections Please n...

Страница 12: ...wo pipe reverse return piping layout see FIG 3 4 Each tank must have its own T P valve It is recommended that each tank be equipped with its own isolation valves unions and drains so that one tank may be removed from the system If local codes require a backflow preventer check with the appropriate authority to find out whether one backflow preventer may be used for tanks or each tank must be equip...

Страница 13: ...es used with water heaters are also called tempering valves or mixing valves An anti scald valve mixes cold water in with the outgoing hot water to assure that hot water reaching a building fixture is at a temperature low enough to be safe ASSE1017 and ASSE1070 certified valves are recommended Usually the maximum temperature of the outlet water will stay near the setting of the tank control In som...

Страница 14: ...Using more than two 2 elbows or 15 feet of piping can reduce discharge capacity directly connected to a drain Refer to local codes subject to freezing WARNING Do not install any valve between the T P relief valve and the tank connection or on the T P relief valve discharge piping Improper placement and piping of T P relief valve can cause severe personal injury death or substantial property damage...

Страница 15: ... TEMPERATURE PRESSURE GAUGE TYPICAL CHECK VALVE DRAIN FROM SOLAR TO SOLAR SOLAR SENSOR SOLAR HEAT EXCHANGER BOILER BACKUP HEAT EXCHANGER SDT MODELS ONLY SDT MODELS ONLY NOTE UPPER COIL REPLACED WITH ELEMENT ON SET MODELS Figure 4 2 Recommended Domestic Water Piping SDT SET models Please note that these illustrations are meant to show system piping concept only the installer is responsible for all ...

Страница 16: ...rmostat is located in the front of the heater The access cover must be removed to adjust to the factory default setting of 120 F This temperature is satisfactory for the average household use 1 Turn off power to the heater 2 Remove access cover and insulation Do not remove the thermostat protective cover 3 Set temperature indicator to desired temperature then replace insulation and access cover 4 ...

Страница 17: ...ROUND SCREW HIGH LIMIT ELEMENT THERMOSTAT LINE VOLTAGE FIELD SUPPLIED FACTORY INSTALLED SET Wiring Single Element Model Volts Phase Watts AMPS Breaker Type Wire Gage SET065 240 VAC 1 Ph 4500 18 3 25 AMP DPDT 12 ga THHW SET080 240 VAC 1 Ph 4500 18 3 25 AMP DPDT 12 ga THHW SET119 240 VAC 1 Ph 4500 18 3 25 AMP DPDT 12 ga THHW Rated for 90 C Table 5A Wiring SET065 SET119 ...

Страница 18: ...see FIG 5 3 The tank sensor has a built in high temperature limit set at 194 F NOTICE The sensor supplied contains an Auto Reset High Limit 194 F 3 The Knight boiler will automatically read the sensor and default the tank temperature setting to 125 F 4 Adjust the tank set point program Reference the Knight Installation and Operation Manual for a detailed explanation of the tank set point program C...

Страница 19: ...T20016 can be ordered from your local Lochinvar distributor 2 Connect Aquastat to the zone controller for the Indirect Water Heater Zone 3 Adjust Aquastat to the desired temperature INDIRECT TANK TEMPERATURE ADJUSTMENT ZONE CONTROL BOX OR ZONE VALVE OR ZONE CIRCULATOR WIRE CONNECTIONS SOLAR SENSOR FIELD SUPPLIED BOILER AQUASTAT CONTROL TST20016 Figure 5 4 Wiring for Zone Control ...

Страница 20: ... 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 operate long enough to purge an...

Страница 21: ... faucets to allow air to escape from the system 4 When a steady stream of water flows from the faucets the water heater is filled Close the faucets and check for water leaks at the water heater drain valve combination temperature and pressure relief valve and the hot and cold water connections DANGER Plugging the T P relief valve or discharge piping can cause excessive pressure in the water heater...

Страница 22: ...st Hour Rating This will also determine the flow needed between the Indirect Water Heater and Boiler Table 8A SET Backup Recovery Performance Model Heat Exchanger Volume Gallons Heated Water Volume Gallons Recovery Back Up Minutes First Draw Gallons Solar 65 F Rise 90 F Rise 115 F 140 F SET065 2 2 28 78 108 34 26 SET080 2 2 35 89 123 44 31 SET119 3 2 44 120 166 55 42 Model Heat Exchanger Volume Ga...

Страница 23: ...385 288 413 308 475 351 260 000 295 218 306 227 475 351 295 000 475 351 MAX BTU INPUT 90256 106525 118352 131827 139966 90257 106525 118352 131827 139967 123218 148780 171607 185675 217372 Boiler Heating Capacity Model SDT065 SDT080 SDT119 23 8 Performance Data continued Table 8C First Hour Rating 180 F Boiler Loop Water Knight and Wall Mount Boilers Upper Coil SDT Models First Hour Rating 180 F B...

Страница 24: ...252 193 252 193 252 193 252 193 270 208 243 187 243 187 268 210 268 210 268 210 140 000 265 203 283 216 283 216 283 216 283 216 270 208 286 220 286 220 286 220 315 245 315 245 315 245 315 245 165 000 265 203 305 232 328 249 328 249 328 249 270 208 310 237 333 254 333 254 333 254 357 276 362 279 362 279 362 279 362 279 195 000 265 203 305 232 334 253 349 265 369 279 270 208 310 237 339 258 367 279 ...

Страница 25: ... boiler water OUT and the solar water IN are connected This will join the boiler and soiler coils together The return water is piped from the solar return to the solar boiler supply See FIG 9 1 on page 26 NOTICE For tank operation use the lower bulbwell to turn the tank on and off Parallel Piping With this style of installation both heat exchanger are used at the same time Solar boiler supply pipi...

Страница 26: ...EF VALVE KNIGHT BOILER SQUIRE SOLAR HEAT EXCHANGER DRAIN FIELD SUPPLY CHECK VALVE RECIRCULATION PUMP Figure 9 1 Indirect Boiler with Series 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 Table 9A Parallel Configuration Model Boiler Flow GPM Boiler Loop T emperature ...

Страница 27: ... DRAIN TEMPERATURE PRESSURE GAUGE UNION TYPICAL DOMESTIC HOT WATER CIRCULATOR DRAIN POINT TYPICAL EXPANSION TANK SYSTEM CIRCULATOR BALL VALVE TYPICAL Figure 9 2 Indirect Boiler with Parallel 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 Table 9C Series Configuratio...

Страница 28: ...7 and new friction loss charts for SDT Series and Parallel on pages 26 and 27 Revision C ECO C06300 reflects the update of tank images and additional CSA cautions on manual cover Connect tank sensor section added to Wiring section on page 18 and tank temperature statement with correction of piping diagram headers and table 9A and 9C on pages 26 and 27 SDT SET I O Rev C 8 10 Printed in U S A ...

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