Lochinvar 400-801 operation manual Models 601, Leveling the boiler

Page 13

2 Prepare boiler (continued)

Model 501

1.Remove the top access cover from the unit (Philips Head screwdriver required for removal).

2.Turn the adjustment screw on the gas valve clockwise until it stops. Then turn the adjustment screw counterclockwise four and three quarter (4 3/4) turns (see FIG. 2-5).

3.Use a combustion analyzer to verify CO2 is within the range of 9.6 – 10.5%. If not, adjust the screw counterclockwise

incrementally to raise CO2 and clockwise to lower CO2 (FIG. 2-5).

4.After adjustment is complete, attach the propane conversion label (in the conversion kit bag) next to the boiler rating plate. Attach the LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.

5.Replace the top access cover.

￿WARNING After converting to LP, check combustion per the Start-up procedure in Section 10

of this manual. Failure to check and verify combustion could result in severe personal injury, death, or substantial property damage.

Figure 2-5Gas Valve Adjustment - Model 501

Outdoor Knight XL Installation & Operation Manual

￿ WARNING

After converting to LP, check combustion

per the Start-up procedure in Section

 

10 of this manual. Failure to check and

 

verify combustion could result in severe

 

personal injury, death, or substantial

 

property damage.

Figure 2-6Gas Valve Adjustment - Models 601 - 801

COVER

ALLEN WRENCH

ADJUSTMENT SCREW

ALLEN WRENCH

ADJUSTMENT SCREW

Models 601 - 801

1.Remove the top access cover from the unit (Philips Head screwdriver required for removal).

2.Remove the cover on top of the gas valve (FIG. 2-6).

3.Turn the adjustment screw on top of the gas valve clockwise one and three quarter (1 3/4) turns on the 601 Model, one and a half (1 1/2) turns on the 701 Model, and one turn on the 801 Model (see FIG. 2-6).

4.Use a combustion analyzer to verify CO2 is within the range of 9.6 – 10.5%. If not, adjust the screw counterclockwise

incrementally to raise CO2 and clockwise to lower CO2 (FIG. 2-6).

5.After adjustment is complete, attach the propane conversion label (in the conversion kit bag) next to the boiler rating plate. Attach the LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.

6.Replace the gas valve cover along with the top access cover.

Leveling the boiler

1.Set the boiler in place and check level.

a)Adjust legs if necessary to level boiler, see FIG. 2-7 below.

Figure 2-7Leveling Legs on the Boiler

SCREWDRIVER

SLOT

LOWER

RAISE

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Contents
Outdoor Knight XL Models 400 Contents Please read before proceeding When servicing boilerStainless steel heat exchanger Outdoor Knight XL How it worksModel Models 601 Outdoor Knight XL Boiler Ahri Rating RatingsDetermine boiler location Installation must comply withBefore locating the boiler, check Outdoor vent / air intake location Provide clearancesFlooring and foundation Prevent combustion air contaminationPrepare boiler Install flue pipe assembly Models 400Remove boiler from wood pallet Models 701 3Install flue pipe assembly Models 701Gas conversions Model 4Installing Propane Orifice ModelLeveling the boiler Models 601Hydronic piping TEE with 1 Fitting on TOP Nipple Close Nipple Near boiler piping components Flow switch adjustmentCirculator sizing Near boiler piping connectionsVariable speed pump option Pressure Head Feet20F 25F 30F 35F Model 7Single Boiler Multiple Temperatures 8Single Boiler Primary/Secondary Piping Manifold Pipe Sizes in Inches mm Number of Units10Multiple Boilers Primary/Secondary Piping Temperature Wires to Loop Sensors 120VAC to Gas connections Connecting gas supply pipingPropane Gas Natural gasInches Check inlet gas supplyGas pressure Gas valve replacementInstallation must comply with Field wiringLine voltage connections Low voltage connectionsHigh gas pressure switch Outdoor temperature sensorLow gas pressure switch ThermostatAlarm contacts Flow switchWiring of the cascade ModBus3Low Voltage Field Wiring Connections Condensate drain Condensate disposalStart-up Freeze protection when usedCheck/control water chemistry Fill and test water systemCheck thermostat circuits Check for gas leaksInspect/fill condensate system Inspect/check condensate lines and fittingsStart the boiler Final checks before starting the boilerIf boiler does not start correctly Check system and boilerFor Your Safety Read Before Operating Natural Gas Propane Set space heating operationSet domestic hot water DHW operation Verify DHW modeConfiguration of the cascade General Operating informationHow the boiler operates How the control module operatesProtection features Temperature controlBoiler temperature regulation Cascade Outdoor reset operation, if usedOperation Display Sequence of operationStandby, ready to start a new cycle Installer Access modesOutdoor Knight XL control module UserCall for Heat Information Dial Function Service technician Maintenance Maintenance and annual startupOwner maintenance Maintenance Check water system Flue vent system and air pipingCheck expansion tank Check boiler relief valveCheck all boiler wiring Check ignition ground wiringCheck control settings Inspect ignition and flame sense electrodesCleaning boiler heat exchanger Check flame signalReview with owner Model Kit Part Component Number DescriptionHigh Voltage Diagrams2Ladder Diagram