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Installation & Operation Manual

Please read before proceeding

Installer – 

Read all instructions before 

installing.  Perform steps in the order given.

Have this indirect water heater serviced/
inspected by a qualified service technician, at 
least annually.

Failure to comply with the above could 
result in severe personal injury, death or 
substantial property damage.

Failure to adhere to the guidelines on this 
page can result in severe personal injury, 
death, or substantial property damage.

When servicing the indirect water heater –

• To avoid severe burns, allow the appliance to cool 
  before performing maintenance.

Indirect water heater operation –

• Should overheating occur or gas supply fail to shut off, 
 do not turn off or disconnect electrical supply to 
  circulator.  Instead, shut off the gas supply at a location 
  external to the appliance.

• Do not use this appliance if any part has been under 
  water.  The possible damage to a flooded appliance can 
  be extensive and present numerous safety hazards.  Any 
  appliance that has been under water must be replaced.

When calling or writing about the appliance 
– Please have the indirect water heater model 
and serial number from the indirect water 
heater rating plate.

Consider piping and installation when 
determining appliance location.

Any claims for damage or shortage in 
shipment must be filed immediately 
against the transportation company by the 
consignee.

Factory warranty (shipped with appliance) 
does not apply to appliances improperly 
installed or improperly operated.

If the information in this manual is not 
followed exactly, a fire or explosion may 
result causing property damage, personal 
injury or loss of life.

This appliance MUST NOT be installed in 
any location where gasoline or flammable 
vapors are likely to be present.

WHAT TO DO IF YOU SMELL 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.

 WARNING

 NOTICE

 WARNING

 WARNING

3

The following chart details the relationship of water temperature 
and time with regard to scald injury and may be used as a 
guide in determining the safest water temperature for your 
applications.

APPROXIMATE TIME / TEMPERATURE 

RELATIONSHIPS IN SCALDS

120°F

More than 5 minutes

125°F

1 1/2 to 2 minutes

130°F

About 30 seconds

135°F

About 10 seconds

140°F

Less than 5 seconds

145°F

Less than 3 seconds

150°F

About 1 1/2 seconds

155°F

About 1 second

• Installation and service must be performed by a qualified 
installer, service agency, or the gas supplier.

Hot Water Can Scald!

• 

Water heated to temperatures for clothes washing, dish washing, and other sanitizing needs can 

 

scald and cause permanent injury.

•  Children, elderly, and infirm or physically handicapped persons are more likely to be 

 

permanently injured by hot water.  Never leave them unattended in a bathtub or shower.  

 

Never allow small children to use a hot water tap or draw their own bath.

 

• 

If anyone using hot water in the building fits the above description, or if state laws or local 

 

 

codes require certain water temperatures at hot water taps, you must take special 

  precautions:

 

 

• 

Use lowest possible temperature setting.

 

 

•  Install some type of tempering device, such as an automatic mixing 

 

 

 

valve, at hot water tap or water heater.  Automatic mixing valve must be selected and 

 

 

 

installed according to valve manufacturer’s recommendations and instructions.

• 

Water passing out of drain valves may be extremely hot.  To avoid injury:

 

• 

Make sure 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.

Содержание Squire SIT040DW

Страница 1: ...ed 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...

Страница 2: ...EFORE PROCEEDING 3 1 GENERAL INFORMATION Operating Restrictions 4 Double Wall Heat Exchanger 4 2 PRE INSTALLATION Locating the Tank 5 Recommended Clearances 5 3 BOILER SIDE PIPING Zone with Circulator...

Страница 3: ...AS 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 instruc...

Страница 4: ...B C D 22 5 45 F 1 MPT SEE NOTE 2 1 MPT 1 MPT AQUASTAT SENSOR WELL NOTES 1 1 FPT ON MODELS SIT040DW 050DW 1 RELIEF VALVE CONNECTION 2 HOT WATER OUTLET 3 BOILER WATER IN 4 BOILER WATER OUT 5 DRAIN COLD...

Страница 5: ...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 pa...

Страница 6: ...8 GPM 12 GPM 16 GPM 20 GPM 25 GPM 30 GPM SIT040 1 1 1 36 5 12 05 0 87 1 99 4 05 6 00 9 89 14 62 20 11 SIT050 1 1 1 36 5 12 05 0 87 1 99 4 05 6 00 9 89 14 62 20 11 SIT065 1 5 1 5 1 44 15 03 0 94 2 14...

Страница 7: ...EXCEED 4 PIPE DIA OR A MAXIMUM OF 12 APART TANK SENSOR AQUASTAT RELIEF VALVE Y STRAINER DRAIN FIELD SUPPLY HOT WATER OUT ANTI SCALD MIXING VALVE RECIRCULATION PUMP CHECK VALVE DRAIN ZONE 1 ZONE 2 ZONE...

Страница 8: ...D SYSTEM CIRCULATOR SYSTEM SUPPLY SENSOR WHEN USED NOT TO EXCEED 4 PIPE DIA OR A MAXIMUM OF 12 APART TANK SENSOR AQUASTAT RELIEF VALVE Y STRAINER DRAIN FIELD SUPPLY RECIRCULATION PUMP CHECK VALVE DRAI...

Страница 9: ...IN POINT TYPICAL MAKE UP WATER FROM SYSTEM BOILER CIRCULATOR SYSTEM CIRCULATOR TO SYSTEM SYSTEM SUPPLY SENSOR DRAIN DRAIN FIELD SUPPLY RECIRCULATION PUMP TANK SENSOR AQUASTAT Y STRAINER RECOMMENDED HO...

Страница 10: ...R RECOMMENDED BOILER CIRCULATOR DOMESTIC HOT WATER CIRCULATOR UNION TYPICAL TEMPERATURE PRESSURE GAUGE DRAIN PRESSURE RELIEF VALVE KNIGHT BOILER SQUIRE SQUIRE HOT WATER OUT ANTI SCALD MIXING VALVE REL...

Страница 11: ...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 rem...

Страница 12: ...tion VIII Interpretation VIII 1 86 136 Check with local codes for applicability Do not place a valve between the combination T P relief valve and the tank Determine T P relief valve size by the follow...

Страница 13: ...ter system Refer to the expansion tank manufacturer s installation instructions for proper sizing 4 Domestic side tank piping continued WARNING Failure to install and maintain a new listed 3 4 X 3 4 T...

Страница 14: ...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...

Страница 15: ...t control 100208546 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 INDIR...

Страница 16: ...xtended 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 th...

Страница 17: ...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 com...

Страница 18: ...er AHRI Rating Indirect Water Heater Model Number Potable Water Volume Gal Heat Source Water Volume Gal Standby Heat Loss F hr First Hour Rating Gal hr Continuous Draw Rating Gal hr Minimum Heat Outpu...

Страница 19: ...han 165 gallons Fixture Count Guide To quickly estimate 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 Squire mu...

Страница 20: ...459 Boiler Output Capacity Table 8B First Hour Rating 180 F Boiler Loop Water Knight Boiler 8 Performance data First Hour Rating 180 F Boiler Loop Water Knight Boiler Models SIT080DW SIT119DW Model S...

Страница 21: ...34 339 258 365 278 115 000 371 281 379 287 421 317 428 322 140 000 454 340 MAX BTU INPUT 47 144 57 327 62 606 67 133 73 108 81 841 89 761 47 144 57 327 62 606 67 133 73 108 81 841 89 761 70 904 77 315...

Страница 22: ...PUT 81 087 98 603 107 683 115 469 125 746 140 766 154 389 81 087 98 603 107 683 115 469 125 746 140 766 154 389 121 955 132 982 151 146 168 661 173 202 195 905 214 070 Table 8D First Hour Rating 200 F...

Страница 23: ...Notes Installation Operation Manual 23...

Страница 24: ...ision A Process 3000001798_Change 500002025 initial release Revision B PCP 3000006451 CN 500006731 reflects the addition of the CSA 1 91 logo to the front cover MM 100273038_DIR 2000529317 Rev B 02 17...

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