Slant/Fin S-150, SX-210, SX-150 dimensions If Replacement Parts are Needed

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Sentry

PIPING A HEATING - COOLING SYSTEM TO A WATER BOILER AND CHILLER

The chiller must be piped in parallel with the boiler. Figure below illustrates a method of piping a heating-cooling system to a water boiler and a chiller. Hand valves (shown) or automatic valves must be installed to prevent circulation of chilled water in the boiler or hot water in the chiller.

The air control system and pressure control system must oper- ate with chiller only, or the boiler only, being valved to the piping system.

Separate control devices on the boiler and chiller may be used, or a single set of air and pressure controls on the common pip- ing may be preferred.

If the boiler is used to supply hot water to heating coils in air handling units, flow control valves or other devices must be installed to prevent gravity circulation of water in the coils dur- ing the cooling cycle.

IF REPLACEMENT PARTS ARE NEEDED

When parts are needed, refer to boiler model and serial num- ber shown on the boiler name/rating plate. Refer to publication number S-10PL Sentry Replacement Parts for part numbers. Whenever possible refer to the original order by number and date.

Control identification and replacement should not be attempted by unskilled personnel. Only simple, easily-identified controls and parts may be obtained locally. All other controls and

parts should be identified by and ordered from Slant/Fin. Relief/Safety valves must be ASME rated for the pressure and gross output of the boiler.

For replacement parts, heating contractors should contact their Slant/Fin boiler distributor.

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Contents Installation and Operating Instructions Liquefied Petroleum L.P Propane GAS-FIRED BoilersSentry Natural GAS-FIRED Boiler Location Boiler FoundationChimney Requirements SafetyLiquefied Petroleum L.P. Propane GAS-FIRED Boiler Location Draft HoodVent Damper Installation Installation Instructions Before YOU Start to InstallDamper Vane Electrical Controls and Wiring After InstallationThermostat Heat Anticipator Adjustments NOW, Proceed AS FollowsCirculating Systems Boiler Room AIR Supply and VentilationWater Piping II. AIR Control SystemII. Initial Start Safety InformationFor Your Safety Read Before Lighting InstructionsFor Your Safety Read Before Operating Operating InstructionsWater System Check Boiler rated input Cubic FeetWater Level Check During Heating Season Annual Inspection and CleaningSafety Check for Control System Providing Protection from FreezingPropane GAS S8600M & S8670E Wiring Diagram Continuous Pilot Wiring Diagram Intermittent Ignition IID Sentry Flash Back Burning AT Orifices Cause Remedy Delayed Ignition Cause RemedyBurners will not Shut OFF Cause Remedy Fumes and GAS Odors Cause RemedyIf Replacement Parts are Needed Appendix a Removal of Existing Boiler from Common Vent SystemSLANT/FIN CORPORATION, Greenvale, N.Y Phone 516