Lochinvar 45,000 - 260,000 BTU/HR Maintenance Maintenance and annual startup, Service technician

Page 43

Installation & Service Manual

7Maintenance

Maintenance and annual startup

Table 7A_Service and Maintenance Schedules

Service technician

(see the following pages for instructions)

 

General:

 

 

 

• Address reported problems

 

• Inspect

interior; clean

and vacuum if

 

 

necessary;

 

 

•

Check for leaks (water, gas, flue)

 

• Examine venting system

 

• Check system water

pressure/system

 

 

piping/expansion tank

 

UP

•

Check control settings

 

• Check wiring and connections

START-

•

Flame inspection (stable, uniform)

 

 

• Check flue gas passageways

ANNUAL

• Inspect and clean the burners

• Perform

start-up

checkout and

 

 

 

performance verification per Section 6 -

 

 

Start-up.

 

 

If combustion or performance indicate need:

•Clean heat exchanger

•Remove and wash burners

Owner maintenance

(see the User’s Information Manual for instructions)

 

• Check appliance area

 

• Check pressure/temperature

 

gauge

 

 

Daily

 

 

 

 

 

 

Monthly

• Check vent piping

 

 

 

 

 

• Check relief valve

 

 

 

Periodically

• Test low water cutoff (if used)

 

 

 

 

• Reset button (low water cutoff)

 

 

Every

• Check appliance piping (gas and

water) for leaks

 

 

 

6 months

 

 

 

 

• Operate relief valve

 

 

 

 

End

•Shut

appliance

down (unless

boiler

used for

domestic hot

 

of season

water)

 

 

months

 

 

 

 

 

 

 

43

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Contents Models 45,000 260,000 Btu/hr Contents Please read before proceeding WarrantyCodes Ratings Solution Boiler =B=R RatingTemperature and pressure gauge Solution How it worksSolution How it works Solution How it works Location of unit Determine boiler location3Combustion Air Direct from Outside 6Combustion Air from Outside Single Opening Minimum Recommended Combustion AIR Supply to Equipment Room Conventional Negative Draft Venting System VentingVent Pipe Sizes Venting Less from Ridge From Parapet Wall Vertical Vent Termination ClearancesFan Assisted Venting Masonry Chimney InstallationSidewall Venting Negative Draft Vent Materials7Vent Damper and Vent Damper Terminal Block Automatic Vent DamperGas Supply Gas Pressure Test Gas connectionsGas Connection Gas Piping Install Piping to Control2Wrench Gas Manifold Pressure Adjustment Procedure4Gas Supply Pressure Checking Gas Supply PressureVenting of Combination Gas Valves Combination Gas ValvesTwo Stage Burner Control System Water connections Water Flow Switch if equippedRelief Valve General Plumbing Rules Typical Heating Boiler InstallationsLow Water Cutoff if equipped Minimum Required Flow For Heating BoilerPiping of the Boiler System System Temperature Rise ChartWater Connections Heat Exchanger Pressure Drop ChartCirculator Pump Requirements Primary/Secondary Boiler Piping Circulator Pump SpecificationsCirculator Pump Operation Full Flow Application Low Temperature Bypass RequirementsBoiler Flow Rates Make UP Water Primary / Secondary PipingMake UP Water 6Multiple Boilers Zoned with Circulators From System Full System Flow8Single Boiler Full System Flow with Low Temperature Bypass Auxiliary Device Connection to Terminal Strip Terminal Strip WiringBoiler Operating Temperature Control Electrical connectionsAMP Draw Data Temperature AdjustmentMaximum Set Point Determination Maximum SET Point DeterminationWiring of Remote Sensors Outdoor Air Temperature SensorInstallation of Remote Sensors Additional Temperature Controls Outdoor Air Reset Option7Blocked Vent Switch Location Blocked Vent and Flame Roll-Out / Flame Interlock SwitchLighting Instructions for Spark Ignition Pilot Models Pre-start ChecklistStart-up Initial Start-upOperating Instructions Safety Shutoff Test for Spark Ignition Pilot SystemTo Turn Off Gas to Appliance Ignition and Control Timings Intermittent Pilot Spark Ignition SystemFreeze Protection Water TreatmentSee the User’s Information Manual for instructions Maintenance Maintenance and annual startupService technician Owner maintenanceMaintenance Check Relief Valve Check Expansion TankPerform Start-up and Checks Check All WiringCheck Control Settings Heat Exchanger / Burner AccessBreathing Fresh air Inspection and CleaningWater Circulating Pump Review with ownerInspection of Heat Exchanger Waterways Gas Train and ControlsTroubleshooting Guide M9 Solution Boilers Troubleshooting45,000 260,000 Btu/hr Models DiagramsSchematic Diagram M9 Unit Wiring Diagram M9 Unit 45,000 260,000 Btu/hr ModelsPage Revision a ECO #C03746 initial release SBR-I-S Rev a

45,000 - 260,000 BTU/HR specifications

Lochinvar, a leader in high-efficiency heating solutions, presents the Lochinvar line of boilers, specifically the Lochinvar 45,000 - 260,000 BTU/HR models. These boilers are designed to meet a wide range of heating demands, making them ideal for residential and commercial applications alike.

One of the key features of the Lochinvar boilers is their impressive efficiency rating. Utilizing advanced condensing technology, these units can achieve efficiencies of up to 96% AFUE (Annual Fuel Utilization Efficiency). This high efficiency not only reduces fuel consumption but also lowers utility bills, making it a cost-effective solution for heating needs.

The Lochinvar boilers are equipped with a powerful heat exchanger constructed from durable stainless steel. This design not only maximizes heat transfer but also enhances the longevity of the unit. By preventing corrosion and minimizing maintenance requirements, the stainless steel heat exchanger ensures that the boiler operates at peak performance for years.

Another significant aspect of the Lochinvar boilers is their modulating burner system. This technology allows the boiler to adjust its output based on demand, ensuring that it only uses the energy necessary to maintain the desired temperature. This feature not only improves efficiency but also contributes to a more comfortable indoor environment by minimizing temperature fluctuations.

The Lochinvar series also showcases a user-friendly control interface. The advanced LCD display allows for easy monitoring and adjustment of system settings. Connectivity options are often included, providing the ability to integrate with modern building management systems for enhanced control and diagnostics.

Safety features abound in the Lochinvar models, which include built-in safeguards such as temperature and pressure relief valves, flame detection systems, and modulation cut-off to protect against overheating and other hazardous conditions.

Moreover, these boilers are designed for easy installation and maintenance. Compact dimensions and lightweight design facilitate straightforward setup, even in tight spaces. Additionally, users can take advantage of the unit’s self-diagnostic capabilities to simplify troubleshooting and reduce downtime.

In conclusion, the Lochinvar 45,000 - 260,000 BTU/HR boilers represent a pinnacle of innovation in heating technology. With high efficiency, advanced control systems, durable components, and safety features, they stand out as reliable and effective solutions for a variety of heating applications, ensuring comfort and efficiency in any environment.
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