Lochinvar 260000, 45000 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
	Monthly
		• Check relief valve

	Periodically	• Test low water cutoff (if used)
	Periodically
		• Reset button (low water cutoff)

	Every	• Check appliance piping (gas and
	Every	water) for leaks
		water) for leaks
	6 months
		• Operate relief valve

	End	•Shut	appliance	down (unless
	End	boiler	used for	domestic hot
		boiler	used for	domestic hot
	of season	water)
	months

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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 Models