Lochinvar CP-5M-4/08, 45, RSB-i&s-05 warranty Temperature Adjustment, Temperature Control Settings

Page 20

Temperature Control Settings

There are three setting knobs on the temperature control unless your unit is specified as a boiler only with an outdoor air reset option. If your unit is a boiler only with an outdoor air reset option, there are additional controls for this option. They are explained under Outdoor Air Reset Option, page 22.

The three setting knobs on the temperature control are for Set point, Differential, and High-Fire Offset (see Figure 28).

FIG. 26 Intermittent Pilot System F9/M9 Control Panel

FIG. 27 Control Panel Assembly 500,000 Btu/hr

TEMPERATURE ADJUSTMENT

Operating Temperature Control

NOTE:

The temperature controller is pre-set at the factory with test settings. You may need to adjust the settings to meet your specific needs.

￿WARNING

Return water temperatures must not be less than 140°F. If lower return water temperatures are required, follow the instructions for Low Temperature Bypass Requirements or Three-Way Valves, see page 35.

Locating Temperature Control

Remove the control panel door on the front of the unit in order to locate and access the temperature control.

FIG. 28 Temperature Control

Maximum Set Point Determination

The maximum set point for the control is factory set. Boilers can be set to 240°F max., water heaters are set to 190°F max., and specialty state and local codes to 200°F.

These maximum set points are established by cutting the OJ1 and OJ2 jumpers located on the right side of the temperature controller. The maximum set point is determined as shown below in TABLE-K.

TABLE K

Maximum Set point Determination

 

 

Max.

OJ1

OJ2

Set Point

Connected

Connected

240°F

Cut

Connected

190°F

Connected

Cut

200°F

Cut

Cut

160°F

NOTE:

Anytime that OJ1 is the only jumper cut, a new overlay is required under the Set Point knob on the temperature controller because the scale has changed to a maximum of 190°F.

Anytime the OJ2 jumper is cut (with or without OJ1), a new overlay is required under the Set Point knob on the temperature controller because the scale has changed to a maximum of 200°F.

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Contents Checking Equipment WarrantySpecial Instructions to Owner Contents User Warning Location of Unit Installation ProcedureCodes Clearance from Combustible Construction Clearances from Combustible ConstructionCombustion Air Through Ducts Table a Minimum Recommended Combustion AIR Supply OpeningsVenting Conventional Negative Draft Venting SystemTable B Vent Pipe Sizes Input Btu/hr Flue SizePage Venting Termination Vent Termination from Peaked Roof 10’ or Less from RidgeSidewall Venting Masonry Chimney Installation Inspection of a Masonry ChimneyAutomatic Vent Damper Vent Damper and Vent Damper Terminal BlockGAS Supply GAS Pressure Test Table CGAS Connection Table D Manifold PressureBtu/hr Distance from Meter In Feet Table F Fittings to Equivalent Straight PipeTable G GAS Connections Install Piping to Control GAS PipingGAS Manifold Pressure Adjustment Procedure WrenchChecking GAS Supply Pressure PilotCombination GAS Valves Venting of Combination Gas ValvesRelief Valve Water Flow Switch if Equipped Relief Valve Water HeaterMinimum Flow Rate Required to Actuate Flow Switch LOW Water Cutoff if EquippedTWO Stage Burner Control System Table J AMP Draw DataTemperature Adjustment Temperature Control SettingsOperating Temperature Control Locating Temperature ControlTemperature Control Sensors Installation of Remote SensorsWiring of Remote Sensors High-Fire OffsetOutdoor AIR Reset Option Additional Temperature ControlsInitial START-UP Blocked Vent and Flame ROLL-OUT/FLAME Interlock SwitchManual Reset High Water Temperature Limit PRE-START Checklist Input for Your Safety Read Before OperatingLighting Instructions for Standing Pilot Models F1 What to do if YOU Smell GASLighting Wand Lighting Instructions for Spark Ignition Pilot Models F9/M9 Safety Shutoff Test for Standing Pilot Ignition SystemTo Turn OFF GAS to Appliance Safety Shutoff Test for Spark Ignition Pilot System Operating Instructions To Turn OFF GAS to ApplianceIntermittent Pilot Spark Ignition System F9/M9 Freeze ProtectionFreeze Protection for a Heating F9/M9 Intermittent Spark Ignition Pilot ModelsMaintenance Water TreatmentInspection Cleaning Procedure Removal of Combustion Chamber Lining or Base PanelsOuter Air Deflector and HEX Filler Bracket GAS Train and Controls Water Connections Heating Boilers onlyPiping of the Boiler System Circulator Pump RequirementsCirculator Pump Operation Circulator Pump SpecificationsTable L PRIMARY/SECONDARY Boiler Piping Primary/Secondary Piping of a Single BoilerBoiler Flow Rates LOW Temperature Bypass RequirementsThree WAY Valves Table M Minimum Required Flow for Heating Boiler General Plumbing RulesInstallation with a Chilled Water System Table NBoiler Operating Temperature Control Power Venter Connection To Terminal StripTable O Terminal Strip Wiring Wire GaugeRequired Temperature Rise Table P Required Temperature RiseWater Velocity Control Btu/hr To 7 Grains To 25 Grains HardnessPump Operation Water ChemistrySoftened Water Systems Remote Sensor Installation Instructions Thermostat SettingsMinimum Pump Performance Heat ExchangerAutomatic Vent Dampers Optional Relief ValveDo not plug or cap the relief valve discharge Thermal ExpansionCathodic Protection Troubleshooting Guide 90,000 270,000 Btu/hr Models Water Heaters F1 Schematic Diagram F1 Unit Schematic Diagram F9 Unit Schematic Diagram M9 Unit Schematic Diagram F9/M9 Unit Page
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000 Btu/hr, 000 - 500, RSB-i&s-05, 45, CP-5M-4/08 specifications

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