Quantum GAS-FIRED BOILERS Casting Temperature Safety Switch, Draft Inducer, Circulator Pump

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higher aquastat setting or over firing. The temperature safety switch automatically resets when the vent temperature decreases. (15 °F switch differential).

F. CASTING TEMPERATURE SAFETY SWITCH

In the event of lack of or loss of water in the boiler, the Casting Temperature Safety Switch (300 °F setpoint) installed on the top of the aluminum boiler section shuts off the boiler by shutting off power to the Integrated Boiler Control (IBC) and causes the Power Indicator Light to go out. This fault requires manual reset of the casting temperature safety switch to restart the boiler. Verify that the boiler is properly filled with water before resetting this switch. WARNING-Never run cold water into a hot empty boiler.

G. DIFFERENTIAL PRESSURE AIR PROVING SWITCH

The diaphragm type differential pressure switch is connected by vinyl tubing to the pressure signal hose adapters. The pressure switch monitors air flow by sensing the diffential pressure measured in inches of water(“ w.c.). The factory settings on these switches are

1.00“w.c. for Model-100, 1.35 “w.c. for Model-75 and 1.55 “w.c. for Model-50. The contacts are normally open, and close when the draft inducer is running and causing the diffential pressure at the switch to exceed the setting. The closed switch proves there is adequate air flow for combustion. The pressure switch shuts off the main burner if the differential pressure is inadequate due to a blocked vent pipe or a blocked air intake or blocked boiler sections or blocked draft inducer. After five (5) minutes of lack of the adequate differential pressure, the IBC will lockout. The “PURGE” indicator light will blink, indicating a failure to prove adequate combustion air flow or flue gas flow. The IBC is manually reset from lockout as described in the Sequence of Operation section of this chapter.

H.DRAFT INDUCER

The draft inducer (blower) provides a means for pulling combustion air into and through the mixer, the burner, the flue ways of the cast aluminum boiler sections and the flue adapter before being discharged through the vent piping to the outdoors. See applicable sections for proper sizing and installation of combustion air and vent piping in this manual.

I. CIRCULATOR PUMP

Every forced hot water system requires at least one circulating pump. The circulating pump imparts the necessary energy to move the water through the closed loop supply and return piping systems, terminal heating equipment (i.e. finned tube radiators, etc.) and back through the boiler for reheating. To provide the required hot water flow rates, the circulator pump must be properly sized to overcome frictional losses (usually measured in feet of water, also referred to as “pump head loss”) of the supply and return piping systems and boiler. The circulator pump is furnished in a carton within the boiler cabinet for a single zone or zone valve controlled heating system and should be correctly located on the downstream (i.e., pumping away) side of the expansion tank. For a pump controlled system (where there is a circulator for each zone) the circulator provided with the boiler can work for one zone. For more details on piping and circulators, see Near Boiler Piping section of this manual.

J. DRAIN VALVE

The manual drain valve provides a means of draining the water in the heating system, including the boiler and hot water supply and return piping systems installed above the drain valve. This drain valve is installed in the 3/4" tapping at the bottom of the front boiler section. Any piping installedbelow the elevation of this drain valve will require additional drain valves to be installed at low points in the piping systems in order to drain the entire system.

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Contents Boilers Page Combustion AIR and Vent Pipe Electrical WiringControls and Accessories Placing the Boiler Near Boiler PipingRepair Parts CHECK-OUT Procedures and AdjustmentsMaintenance and Cleaning Service HintsIntroduction Boilers for USE AT High Altitude Boiler Ratings and Capacities$%/$02/1$785$/*$6+,*+$/7,785$7,1*6 $%/&02/1$785$/*$6+,*+$/7,785$7,1*6 Codes Rules for Safe Installation and OperationBefore Installing the Boiler Considerations for Boiler Location Boiler SizingCombustion AIR and Vent Pipe Requirements Locating the BoilerFoundation Requirements Removal of Existing Boiler from Common Vent System Placing the BoilerSupply and Return Lines Near Boiler PipingSingle Zone Boiler Piping Multi Zone Boiler Piping with Zone Valves Multi Zone Boiler Piping with Circulators Expansion Tank and MAKE-UP Water Single Zone Boiler Piping Pressure Relief ValveDiaphragm Type Expansion Tank Piping Conventional closed type Expansion Tank Piping Condensate Drain Piping Connections and Termination Combustion AIR and Vent PipeChilled Water Piping Page Roof VENT/INTAKE Terminations Sidewall VENT/INTAKE Terminations Combustion AIR and Vent Piping Check GAS Supply InstallationGAS Supply Piping Checking the GAS Piping Connecting the GAS PipingElectric Power Supply Electrical WiringDead Spots Cold Spots HOT Spots Install Your ThermostatField Wiring Connections Schematic Wiring Diagram Ladder Wiring Diagram Controls and Accessories Circulator Pump Casting Temperature Safety SwitchDifferential Pressure AIR Proving Switch Draft InducerOptional External Condensate Pump Flame Rollout Safety ShutoffStart UP S.M.E. Rated Pressure Relief ValveRepeat for all remaining zones To Turn OFF GAS to Appliance Operating InstructionsPage Inspect System Piping Test Ignition System Safety Shutoff DeviceInspect Venting and AIR Intake System Inspect Condensate DrainMeasure the Natural GAS Input Rate Test High Limit Control and AdjustTest Other Safety Controls Manifold Pressure Measurement Detail Review ALL Instructions SET Thermostat to Desired Room TemperatureInstallation and CHECK-OUT Certificate Daily During Heating Season Maintenance and CleaningBeginning of Each Heating Season END of Each Heating Season Annual Shutdown Procedur Annual Examination and Cleaning of Boiler ComponentsMonthly During Heating Season Periodically During Heating SeasonPage Page Service Hints Detailed Sequence of Operation Detailed Sequence of Operation END of Normal Sequence of Operation Initial Service Checks Trouble Shooting667067$786 Troubleshooting Chart Trouble Shooting Trouble Shooting Trouble Shooting Trouble Shooting Trouble Shooting Differential AIR Pressure Switch Check Repair Parts $&.7$1%$6$660% 70180%5 37,21 48$17,7 2116$75$,175$3$660% 70180%5 37,21 48$17,7 Condensate Drain Trap AssemblyBoiler Block and Piping Assembly 5%/2&.$13,3,1*$660% 70180%5 37,21 48$17,7 Mixer and AIR Pressure Switch Assembly $1$,53566856,7&+$660% 70180%5 37,21 48$17,7 Flue Adapter and Exhaust Assembly

GAS-FIRED BOILERS specifications

Quantum gas-fired boilers represent a significant advancement in the realm of residential and commercial heating solutions. These innovative systems efficiently utilize natural gas to deliver consistent heating, catering to a wide range of climates and applications. With rising energy costs and increasing environmental concerns, the adoption of gas-fired boilers has gained momentum, making them a popular choice for heating needs.

One of the main features of Quantum gas-fired boilers is their impressive energy efficiency. Modern gas boilers are designed to achieve high efficiencies, often ranging from 90% to 98%. This means that the majority of the energy consumed is converted into useful heat, significantly reducing fuel costs and environmental impact. Their ability to operate at such high efficiencies is largely due to advanced condensing technology, which captures and reuses the heat from exhaust gases, thus maximizing the energy extracted from the fuel.

Moreover, Quantum gas-fired boilers are equipped with advanced control systems that allow for precise temperature regulation. These systems can monitor changes in demand and adjust the operation of the boiler accordingly, ensuring that energy consumption is kept to a minimum without sacrificing comfort. This not only promotes energy savings but also extends the lifespan of the appliance.

In addition to efficiency and control, modular design is another important characteristic of Quantum gas-fired boilers. Many models are available in compact sizes, making them suitable for diverse installation environments, including tight spaces and urban areas. Their versatility allows for installation in various configurations, including wall-mounted and floor-standing units, which can be tailored to fit the specific requirements of a heating system.

Moreover, modern Quantum gas-fired boilers come with features that enhance user experience and maintenance. Many incorporate built-in diagnostic tools that indicate potential issues before they become significant problems, facilitating timely interventions and reducing downtime. Some models even offer connectivity features, enabling remote monitoring and control through smartphone applications.

In summary, Quantum gas-fired boilers deliver exceptional energy efficiency and reliability, employing advanced technologies such as condensing methods and smart controls. Their modular design and user-friendly features make them an appealing choice for anyone seeking a high-performing heating solution. As the demand for sustainable and cost-effective heating solutions continues to rise, Quantum gas-fired boilers are poised to play a crucial role in meeting the world's heating needs.
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