Lochinvar 51-211 operation manual Pump Size Grundfos, Armstrong

Page 38

Installation & Operation Manual

6 Hydronic piping

Figure 6-2Pressure Drop vs. Flow - Models 51 - 211

6

Table 6A Circulator Recommendations for Temperature Rise Applications_20°, 25°, and 35°

 

 

 

20°F Temperature Rise Applications

 

 

Model

GPM

FT/HD

Minimum Pipe

 

Pump

 

 

Size

Grundfos

TACO

B & G

Armstrong

 

 

 

51

5.1

11

1"

UPS26-99F

0011

NRF-36

E7

81

7.5

24

1"

UPS26-99F

0011

NRF-36

E7

106

9.8

27

1"

UPS26-99F

0013

NRF-36

E11

151

14.0

20

1"

UPS26-99F

0011

NRF-36

E7

211

19.6

29

1"

UPS32-160

1400-50

PL-55

E9

 

 

 

25°F Temperature Rise Applications

 

 

Model

GPM

FT/HD

Minimum Pipe

 

Pump

 

 

Size

Grundfos

TACO

B & G

Armstrong

 

 

 

51

4.1

7.3

1"

UPS15-58FC

0014

NRF-36

E7

81

5.9

15.0

1"

UPS15-58FC

0014

NRF-36

E7

106

7.7

17.5

1"

UPS26-99F

0014

NRF-36

E7

151

11.0

12.8

1"

UPS26-99F

0014

NRF-36

E7

211

15.5

19.0

1"

UPS26-99F

0013

NRF-36

E7

 

 

 

 

35°F Temperature Rise Applications

 

 

Model

GPM

 

FT/HD

Minimum Pipe

 

Pump

 

 

 

Size

Grundfos

TACO

B & G

Armstrong

 

 

 

 

51

2.9

 

4.1

1"

UPS15-58FC

007

NRF-22

Astro-30

81

4.2

 

7.3

1"

UPS15-58FC

007

NRF-22

Astro-30

106

5.5

 

9.8

1"

UPS15-58FC

007

NRF-22

Astro-30

151

7.9

 

10

1"

UPS15-58FC

008/0010

NRF-36

Astro-30

211

11.0

 

10.1

1"

UPS15-58FC

0010

NRF-36

Astro-50

 

Pumps listed in bold type are provided by the factory as the boiler circulation pump on standard altitude

NOTICE

 

 

models.

 

 

 

 

 

 

 

 

 

 

 

 

NOTICE

Pumps listed in italicized type are provided by the factory as the boiler circulation pump on high altitude

 

 

models.

 

 

 

 

 

 

 

 

 

 

 

 

NOTICE

The temperature rise provided by a pump/model combination will decrease by 3% per 1000 feet of elevation.

38

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Contents Models 51 Contents When servicing boiler Please read before proceedingKnight Wall Mount Boiler How it works Stainless steel heat exchanger Gas connection pipeModels 51 Ratings Knight Wall Mount Boiler Ahri RatingDetermine boiler location Installation must comply withCloset and alcove installations Before locating the boiler, check1Closet Installation Minimum Required Clearances Wall mounting location PrecautionsVent and air piping Prevent combustion air contaminationAreas likely to have contaminants When using an existing vent system to install a new boilerProducts to avoid When removing a boiler from existing common vent system Gas conversions Prepare boilerRemove boiler from wood pallet Mounting to a concrete wall Mounting the boilerMounting to a wood studded wall Mounting to a metal studded wallDirect venting options Vertical Vent General ventingDirect venting options Sidewall Vent Install vent and combustion air piping Air intake/vent connectionsLength Requirements for installation in CanadaSizing Materials Air inlet pipe materialsModel Kit Number Optional room airAir contamination Primer Material StandardVent fittings Polypropylene Centrotherm InnoFlue SWFlue Stainless steel ventApproved Stainless Steel Vent Manufacturers Make Model Flue Intake Air Adapter TerminationVent/air termination sidewall If using the alternate sidewall terminationSidewall direct venting Determine location2AClearance to Gravity Air Inlets Prepare wall penetrations Prepare wall penetrations Alternate Field Supplied OptionMultiple vent/air terminations 5AMultiple Vent Terminations must also comply with -1ADescription and usage Sidewall termination installationSidewall termination optional concentric vent 8Concentric Vent Dimensional Drawing Sidewall termination optional concentric vent models10Concentric Vent Sidewall Attachment Multiventing sidewall terminationsVertical direct venting Vent/air termination verticalPrepare roof penetrations 2Vertical Terminations with Multiple BoilersVertical termination installation Vertical termination optional concentric ventMultiventing vertical terminations Minimum Combustion AIR TypicalAlternate vertical concentric venting Concentric Venting ArrangementExisting vent as a chase AIR Inlet Flue Exhaust Seal CAP Existing Flue OutletLow water cutoff device Hydronic pipingSystem water piping methods General piping information Chilled water systemNear boiler piping components Near boiler piping connections Circulator sizingPump Size Grundfos ArmstrongVariable speed pump option Smart System / Multi-temperature loop control optionVariable speed pump setup UP26-96 FC/VS IFC VS Stratos 1.25 3 x3Single Boiler Single Temperature Zoned with Circulators Number of Units 5Single Boiler Multiple Temperatures Required Pipe Sizes Model 8Single Boiler Zoned with Valves Model Number of Units 10Single Boiler Non-Zoned Primary/Secondary Piping Connecting gas supply piping Gas connectionsNatural gas Propane GasLength of Pipe in Straight Feet for 1/2 PSI Natural Gas Pipe Capacity ChartCheck inlet gas supply Gas valve replacement Gas PressureLine voltage connections Field wiringInstallation must comply with Low voltage connectionsFlow switch Outdoor temperature sensorLouver proving switch ThermostatSystem supply sensor Alarm contactsWiring of the cascade Boiler management system4Low Voltage Field Wiring Connections Condensate disposal Condensate drainCheck/control water chemistry Freeze protection when usedStart-up Fill and test water systemInspect/fill condensate system Clean/Inspect Trap AssemblyCheck for gas leaks Check thermostat circuits Inspect/check condensate lines and fittingsIf boiler does not start correctly Final checks before starting the boilerStart the boiler Check system and boiler2Operating Instructions Set space heating operation Natural Gas PropaneSet domestic hot water DHW operation Verify DHW modeConfiguration of the cascade How the boiler operates Operating informationGeneral How the control module operatesTemperature control Protection featuresBoiler temperature regulation Outdoor reset operation, if used CascadeSequence of operation Operation DisplayUser Access modesInstaller Knight wall mount boiler control module 1Control PanelCall for Heat Operating information Dial Function Owner maintenance Maintenance Maintenance and annual startupService technician Maintenance Check control settings Check ignition ground wiringCheck all boiler wiring Check expansion tankReview with owner Check flame signalCleaning boiler heat exchanger Heat Exchanger Cleaning Kits Oiled bearing circulatorsDiagrams PC Interface2Wiring Diagram
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