Munchkin Gas-Fired Hot Water Boiler manual Check for GAS Leaks, Purge AIR from Water System

Page 53

GAS-FIRED BOILER

Boiler Manual

PART 11. START-UP PREPARATION (CONTINUED)

 

WARNING

 

 

 

one at a time, beginning with lowest

 

 

 

 

floor. Close vent when water squirts out.

 

 

 

 

 

 

Eliminate all system leaks. Continual fresh

 

 

 

Repeat with remaining vents.

make-up water will reduce boiler life. Minerals

 

 

j.

Refill to correct pressure.

can build up in the heat exchanger, reducing

 

 

 

 

 

 

heat transfer, overheating heat exchanger, and

 

 

E. CHECK FOR GAS LEAKS

causing heat exchanger failure.

 

 

 

 

 

 

 

 

 

WARNING

 

 

 

 

 

 

 

5. The system may have residual substances

 

 

 

 

Before starting the boiler, and during initial

that could affect water chemistry. After the

 

system has been filled and leak tested, verify

 

operation, smell near the floor and around the

water pH and chlorine concentrations are

 

boiler for gas odorant or any unusual odor.

acceptable.

 

 

 

Remove boiler front door and smell interior of

 

 

 

 

 

boiler enclosure. Do not proceed with startup if

 

 

CAUTION

 

 

there is any indication of a gas leak. Repair any

 

 

 

 

leak at once.

 

 

It is important that you purge the system of air

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

to avoid damage to the boiler.

 

 

 

 

 

 

 

 

 

WARNING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D. PURGE AIR FROM WATER SYSTEM

 

 

Propane boilers only — Your propane supplier

1. Purge air from system:

 

mixes an odorant with the propane to make its

 

presence detectable. In some instances, the

a.

Connect a hose to the purge valve and

 

 

odorant can fade, and the gas may no longer

 

route hose to an area where water can

 

have an odor. Before startup (and periodically

 

drain and be seen.

 

thereafter), have the propane supplier verify the

b.

Close the boiler or system isolation valve

 

correct odorant level in the gas.

 

between the purge valve and fill

 

 

 

 

 

 

 

 

 

 

 

 

connection to the system.

 

 

 

 

 

 

 

F. CHECK THERMOSTAT CIRCUIT(S)

c.

Close zone isolation valves.

 

1. Disconnect the two external wires connected

d.

Open quick-fill valve on cold water make-

 

to

the boiler

thermostat terminals (low

 

up line.

 

 

 

 

 

 

 

voltage terminal strip terminals 5 and 6).

e.

Open purge valve.

 

2.

Connect

a voltmeter across these two

f.

One zone at a time, open the isolation

 

incoming wires. Close each thermostat, zone

 

valves. Allow water to run through the

 

 

 

valve and relay in the external circuit one at

 

zone, pushing out the air. Run until no

 

 

 

a

time and check the voltmeter reading

 

noticeable air flow is present. Close the

 

 

 

across the incoming wires.

 

zone isolation valves and proceed with

 

 

 

 

 

 

 

 

the next zone. Follow this procedure until 3.

There should NEVER be a voltage reading.

 

all zones are purged.

4. If a voltage does occur under any condition,

g.

Close the quick-fill water valve and purge

 

check and correct the external wiring. (This is

 

valve and

remove the hose. Open all

 

 

 

a common problem when using 3-wire zone

 

isolation

valves. Watch that system

 

 

 

valves.)

 

 

 

pressure rises to correct cold-fill

 

 

 

 

5.

Once the external thermostat circuit wiring is

 

pressure.

 

 

h.

After the

system has operated for a

 

checked

and

corrected if necessary,

 

reconnect

the

external thermostat circuit

 

while, eliminate any residual air by using

 

 

 

wires to boiler

low voltage terminal strip

 

the manual air vents located throughout

 

 

 

Allow the boiler to cycle.

 

the system.

 

 

 

 

 

 

 

i.

If purge valves are not installed in

 

 

 

 

 

 

system, open manual air vents in system

 

 

 

 

 

52

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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 SystemRelief Valve Part 5 Boiler PipingRemove Boiler from BOX Diaphragm or bladder expansion tank Part 5 Boiler Piping Circulator Sizing Circulator Sizing ChartFill and Purge Heating System System Temperature Rise ChartMultiple Boilers Zoning with Zone ValvesZoning with Circulators 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 Exhaust Vent and Intake AIR Vent Pipe Location Installing Exhaust Vent and Intake AIR VentGeneral Part 7 VENTING, Combustion AIR & Condensate Removal Reference National Fuel Gas Code Ansi Z223.1/NFPA 54 Longer Vent Runs Exhaust Vent and Intake AIR Pipe InstallationExhaust Vent and Intake AIR Vent Sizing 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 Thermostat Circuits Check for GAS LeaksPurge AIR from Water System Final Checks Before Starting Boiler Check Condensate RemovalAdjusting the Setpoint Part 12. START-UP ProcedureOperating Instructions Status MenuProgramming the Vision I Option Test ModeVision 1 Program Access Vision 1 Program Navigation Boiler cannot be programmed while there is a call for heatCentral Heating Curve Function Default Function Function Value DescriptionFunction Function Default Setting Programmed Setting Control Program Reference ChartBoiler Fault Munchkin Error CodeBoiler Error 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

Gas-Fired Hot Water Boiler specifications

The Munchkin Gas-Fired Hot Water Boiler is a highly efficient heating system that has garnered attention in residential and commercial applications for its innovative design and advanced technology. This boiler is compact yet powerful, providing exceptional heating performance while maximizing energy efficiency.

One of the standout features of the Munchkin boiler is its modulating condensing technology. This system allows the boiler to adjust its output based on demand, which optimizes energy use and reduces unnecessary fuel consumption. By modulating the flame, the Munchkin boiler can maintain a steady heating output even during variable load conditions, ensuring that users enjoy consistent hot water without waste.

The Munchkin boiler offers an impressive AFUE (Annual Fuel Utilization Efficiency) rating, typically exceeding 95%. This high efficiency translates to significant savings on energy bills and a reduced carbon footprint. By capturing and reusing flue gases that would otherwise be lost, the condensing feature enhances the overall efficiency, making it a sustainable choice for modern heating needs.

In terms of installation, the Munchkin boiler is designed for versatility. Its compact size allows for easy placement in tight spaces, whether in residential basements or utility closets. The unit is compatible with a variety of piping systems and can be integrated with multiple heating sources including radiators, baseboards, and even in-floor heating setups.

Another notable characteristic of the Munchkin boiler is its advanced control system. The boiler is equipped with a user-friendly digital display that allows for easy programming, monitoring, and adjustments. This enhanced control capability ensures that users can fine-tune their heating schedules according to their lifestyle, optimizing comfort while maintaining peak efficiency.

Reliability is a hallmark of the Munchkin brand. Built with high-quality materials, these boilers are engineered to withstand the rigors of daily operation, offering durable performance for years. Furthermore, Munchkin provides robust customer support and service options to assist homeowners and professionals alike.

In summary, the Munchkin Gas-Fired Hot Water Boiler stands out due to its modulating condensing technology, high efficiency, compact design, and advanced control system. These characteristics make it an excellent choice for those seeking a reliable, efficient, and versatile heating solution. Whether for residential or commercial use, the Munchkin boiler provides consistent, effective heating that meets the demands of today's energy-conscious consumers.
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