Manuals / Lochinvar / Household Appliance / Boiler

Lochinvar 45 4Water connections continued, Full System Flow, Solution Boiler, Make Up Water, From

Models: 000 Btu/hr 45

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Installation & Service Manual

4Water connections (continued)

Full System Flow

Figure 4-8_Single Boiler Full System Flow with Low Temperature Bypass

BACKFLOW PREVENTER

PRESSURE

REDUCING VALVE

PRESSURE

GAUGE

MAKE UP WATER
SYSTEM SUPPLY	AIR
SENSOR	SEPARATOR
SYSTEM
CIRCULATOR	FROM
	FROM
TO	SYSTEM
SYSTEM
BALL VALVE
(TYPICAL)	3-WAY VALVE W/BYPASS PIPE
	3-WAY VALVE W/BYPASS PIPE
EXPANSION
TANK
	BOILER
	CIRCULATOR

Y-STRAINER

(RECOMMENDED)

UNION (TYPICAL)

TEMPERATURE / PRESSURE

GAUGEDRAIN

PRESSURE

RELIEF VALVE

SOLUTION

BOILER

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Lochinvar 45, 000 Btu/hr, 000 - 260 4Water connections continued, Full System Flow, Solution Boiler, Make Up Water, From

Contents

Models 45,000 - 260,000 Btu/hr SBR-I-SRev ASave this manual for future reference Hazard definitions DANGERContents Please read before proceeding WarrantyWhat to do if you smell gas Checking equipmentPlease read before proceeding CodesSolution Boiler I=B=R Rating RatingsOther Specifications Figure A High Altitude Label LocationThe Solution - How it works Models 45,000 - 90,000 Btu/hr Front View The Solution - How it works... continuedModels 45,000 - 90,000 Rear View Models 45,000 - 90,000 Right Side inside unitModels 135,000 - 260,000 Btu/hr Front View The Solution - How it worksModels 135,000 - 260,000 Btu/hr Rear View 10 17Location of unit 1Determine boiler locationFigure 1-3 CombustionAir Direct from Outside 1Determine boiler locationFigure 1-4 CombustionAir Through Ducts Figure 1-5 CombustionAir from Interior Space1Determine boiler location continued TABLE - 1B MINIMUM RECOMMENDED COMBUSTION AIR SUPPLY TO EQUIPMENT ROOM1Determine boiler location 2Venting A Conventional Negative Draft Venting SystemTABLE - 2A VENT PIPE SIZES Locate appliance as close as possible to a chimney or gas vent 2VentingFigure 2-2 VentTermination from Peaked Roof 10 or Vertical Vent Termination ClearancesLess from Ridge from Parapet WallSidewall Venting - Negative Draft Masonry Chimney InstallationTABLE - 2B VENT MATERIALS Fan Assisted VentingProtection Automatic Vent DamperGas Supply 3Gas connectionsGas Pressure Test Gas ConnectionGas Piping 3Gas connections continuedTABLE - 3E Install Piping to ControlFigure 3-3 ManifoldPressure Adjustment Gas Manifold Pressure Adjustment Procedure3Gas connections Figure 3-2 WrenchChecking Gas Supply Pressure 3Gas connections continuedFigure 3-4 GasSupply Pressure 3Gas connections Combination Gas ValvesVenting of Combination Gas Valves Figure 3-5 M9Gas Valve4Water connections Water Flow Switch if equippedRelief Valve Figure 4-2 WaterFlow Switch - Top ConnectionsLow Water Cutoff if equipped Typical Heating Boiler InstallationsTABLE - 4A MINIMUM REQUIRED FLOW FOR HEATING BOILERPiping of the Boiler System 4Water connections continuedTABLE - 4B SYSTEM TEMPERATURE RISE CHART Based on Boiler Output in Btu/hrWater Connections TABLE - 4C HEAT EXCHANGER PRESSURE DROP CHARTCirculator Pump Requirements 4Water connectionsPrimary/Secondary Boiler Piping Circulator Pump SpecificationsCirculator Pump Operation PERFORMANCE LOOPFull Flow Application Primary/Secondary Boiler Piping continuedLow Temperature Bypass Requirements Boiler Flow RatesSOLUTION BOILER Primary / Secondary Piping4Water connections continued MAKE UP WATER4Water connections SOLUTION BOILERPrimary / Secondary Piping MAKE UP WATERPrimary / Secondary Piping 4Water connections continuedFigure 4-6 MultipleBoilers Zoned with Circulators ZONE #1SOLUTION BOILER Full System Flow4Water connections Figure 4-7 SingleBoiler Full System Flow4Water connections continued SOLUTION BOILERFull System Flow MAKE UP WATERTABLE - 5A TERMINAL STRIP WIRING 5Electrical connectionsBoiler Operating Temperature Control Auxiliary Device Connection to Terminal StripPump Wiring for a Heating Boiler Temperature AdjustmentTemperature Control Settings 5Electrical connections continuedMaximum Set Point Determination TABLE - 5C MAXIMUM SET POINT DETERMINATION5Electrical connections Set PointInstallation of Remote Sensors Wiring of Remote SensorsFigure 5-4 Installationof Remote Sensors 5Electrical connections continuedAdditional Temperature Controls Outdoor Air Reset OptionFigure 5-5 OptionalOutdoor Air Reset Control Figure 5-6 OutdoorAir Control Example ChartBLOCKED VENT SWITCH INVERTED TO SHOW RESET Figure 5-7 BlockedVent Switch Location5Electrical connections continued UNDERNEATH DRAFT HOODPre-startChecklist FOR YOUR SAFETY READ BEFORE OPERATING6Start-up Initial Start-upTo Turn Off Gas to Appliance Operating InstructionsFreeze Protection Intermittent Pilot Spark Ignition SystemWater Treatment Ignition and Control TimingsService technician 7Maintenance Maintenance and annual startupOwner maintenance see the following pages for instructionsAddress reported problems 7MaintenanceFlue vent system and air supply Inspect appliance area7Maintenance continued Check Expansion TankCheck Relief Valve Check Control Settings Check All WiringHeat Exchanger / Burner Access Perform Start-upand ChecksInspection and Cleaning 7Maintenance continuedBreathing Fresh air Inspection of Heat Exchanger Waterways Review with ownerGas Train and Controls Water Circulating PumpTroubleshooting Guide M9 Solution Boilers 8TroubleshootingStep StepSchematic Diagram - M9 Unit 9 DiagramsWiring Diagram - M9 45,000 - 260,000 Btu/hr ModelsPage SBR-I-SRev A 5/10 Revision A ECO #C03746 initial release