Munchkin Gas-Fired Hot Water Boiler manual Zone valves Make-up water

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GAS-FIRED BOILER

Boiler Manual

Standard Munchkin boiler

Preferred piping (zoning with valves) Domestic water heating mode

Drawing 2B

	zone valves
make-up water	OFF	OFF	OFF	OFF
make-up water	P2
	P2
closely				differential
spaced				pressure
tees				bypass
				valve
purging	V1
valves
				anti-scald
			mixing valve
				cold
				water
	P1
	T/P
	Munchkin boiler		Super Stor
	Munchkin boiler		indirect DHW tank
			indirect DHW tank
NOTES:

1.This drawing is meant to show system piping concept only.

Installer is responsible for all equipment & detailing required by local codes.

2.Adjust differential pressure bypass valve to eliminate any flow velocity noise when zone with highest pressure drop operates by itself.

3.The minimum pipe size for connecting a Super Stor water heater is 1 inch.

4.The minimum pipe size for connecting a Munchkin boiler is 1.25 inches and 2 inches for the 399M.

5.All pumps are shown with isolation flanges. The alternative is standard flanges with full port ball valves.

6.The anti-scald mixing valve is recommended if the DHW temperature is set above the factory setting of 119˚F.

7.Install a minimum of 12 diameters of straight pipe upstream of all circulators.

8.A purging valve may be used in lieu of the ball valve / hose bib combination shown.

9.A minimum of 6 pipe diameters of straight pipe shall be installed upstream and downstream of all closely spaced tees.

NOTE: For Vision piping applications, refer to the Vision Installation Piping Diagrams.

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Contents Boiler Manual Contents Contents CONT’D Definitions Part 1 Product and Safety InformationWhen Servicing Boiler Before InstallingBoiler Operation Boiler WaterReturn water temperature sensor Supply water temperature sensorTemperature and pressure gauge Stainless Steel Heat ExchangerSpark ignition Part 3 Prepare Boiler LocationVision 1 System Boiler Location should be LevelPerformance Ratings Connection Sizes FAN Speeds Dimensions80M 140M/199M Before Locating the Boiler Installations Must Comply withClearances for Service Access PrecautionsResidential Garage Installation Exhaust Vent and Intake AIR VentCorrosive contaminants and sources When Removing a Boiler from AN Existing Common Vent SystemPart 5 Boiler Piping Remove Boiler from BOXRelief Valve Diaphragm or bladder expansion tank Part 5 Boiler Piping Circulator Sizing Circulator Sizing ChartFill and Purge Heating System System Temperature Rise Chart Zoning with Zone Valves Zoning with Circulators Multiple Boilers Boiler Piping Details Piping Symbol LegendOFF Zone valves Make-up water Boiler Manual Space heating zone circuit Zone Circulators Make-up water PB1 PB2 PB1 PB2 Vision I System Piping Zoning with Circulators Using VisionBoiler Piping Details with the Vision I System Space heating modeOFF DHW Space heating mode w/ submixing Water OFF Munchkin Vision 1 system zoning with circulators Space heating mode 3 fully reset supply temperatures Space heating mode 3 different supply temperatures OFF Thermal trap Drain plug Installing Exhaust Vent and Intake AIR Vent GeneralExhaust Vent and Intake AIR Vent Pipe Location Part 7 VENTING, Combustion AIR & Condensate Removal Reference National Fuel Gas Code Ansi Z223.1/NFPA 54 Exhaust Vent and Intake AIR Pipe Installation Exhaust Vent and Intake AIR Vent SizingLonger Vent Runs Vent Termination Kits Description Stock Code Heater Removal from a Common Vent SystemCondensate Removal System Sidewall Venting with TEE Intake Coupling Exhaust Diagrams for Sidewall VentingSidwall Venting with KIT Roof Vent with TEE Intake Coupling Exhaust Diagrams for Vertical VentingGAS Connection Part 8 GAS PipingGAS Piping GAS TableDungs GAS Valve for T50/T80/80M/140M/199M OFF SET AdjustmentField Wiring Installation Must Comply withLine Voltage Wiring Krom Schroder Valve for 399MPart 9 Field Wiring Part 9 Field Wiring Indirect Circulator P2 Program Part 10 Field Wiring VisionPart 11. START-UP Preparation Check for GAS Leaks Purge AIR from Water SystemCheck Thermostat Circuits Final Checks Before Starting Boiler Check Condensate RemovalAdjusting the Setpoint Part 12. START-UP ProcedureOperating Instructions Status MenuTest Mode Vision 1 Program AccessProgramming the Vision I Option Vision 1 Program Navigation Boiler cannot be programmed while there is a call for heatDefault Function Function Value Description FunctionCentral Heating Curve Function Function Default Setting Programmed Setting Control Program Reference ChartMunchkin Error Code Boiler ErrorBoiler Fault 925 Control Board Fault Codes Description Remedy Part 14 TroubleshootingOutdoor Sensor 7250P-319 Maintenance ProceduresSure Exhaust Vent is no Longer Blocked For GAS LeaksT50M/T80M Part 15 MaintenanceT50M/T80M 80M/140M/199M Boiler Replacement Parts Boiler Boiler Boiler Start UP ReportManual Boiler Inspection and Maintenance ScheduleBoiler Inspection and Maintenance Schedule Maintenance Notes Maintenance Notes Maintenance Notes Heat Transfer Products, Inc LP-185 REV /20/07