Bosch Appliances GWH 2400 ES LP, GWH 2400 ES NG manual Appliance details, Features

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Appliance details

2Appliance details

2.1Features

Parts

•Key Pad interface control

•High power pre-mix compact burner with low NOx emissions

•Modulating Gas Valve with constant gas:air ratio control

•Modulating water valve for improved comfort and temperature control.

High quality materials for long working life

•Copper heat exchanger

•High efficiency Ceramat Burner

•Compact space saver: mounts on a wall with a supplied bracket.

Features

•Real-time diagnostics for troubleshooting/ informational purposes

•LCD Display with backlight

•On/Off and Temperature control switches

•Reset button

•Program button (Selectable temperature default)

•Failure codes for easy diagnostics and repair

•Easily removable one-piece cover

•Built in freeze prevention.

Note: Freeze prevention is not intended to protect plumbing outside the appliance or to keep the appliance from freezing for long periods.

Accessories (Bosch part #)

•Optional wireless remote control accessory to operate with the appliance (TSTAT2)

•Outdoor kit (AQOK).

BOSCH is constantly improving its

iproducts, therefore specifications are subject to change without prior notice.

2.2GWH 2400 ES Specifications (Technical data)

Approved in US/Canada

Capacity

Maximum flow rate: 6.4 GPM (24 l/min) at a 45°F (25°C) rise.

Maximum output

147,000 Btu/h (43.0 kW)

Maximum input

175,000 Btu/h (51.2 kW)

Efficiency in %

Thermal efficiency > 82%

Min. Input

19,900 Btu/h (5.8 kW)

Temperature Control

Selection range: 100°F (38°C) - 140°F (60°C)

Default temperature: 122°F (50°C)

Stability: +/- 2°F (+/- 1°C)

Gas Requirement

Gas connection (inches) - ¾”

Inlet gas pressure under operation (with a high hot water flow rate)*

•Propane: 8” - 13” water column

•Natural Gas: 3.5” - 10.5” water column.

*To measure gas pressure, see Measuring Gas Pressure, chapter 3.12.

Water

•Hot water connection (inches) - ¾”

•Cold water connection (inches) - ¾”

•Water valve material: Polymer (PPS) (Polypropylene Sulfid)

•Minimum water flow: 0.65 gallon/minute (2,5 l/m).

Note: Activation varies with inlet water temperatures from 0.65 - 1.6 gallon/minute.

•Minimum recommended water pressure: 30 PSI (2.07 bar)

•Minimum recommended well pressure: 40 PSI (2.75 bar), see chapter 3.9.

•Connections:

– Bottom of heater

Combustion

•NOx ≤ 55 ppm

•CO ≤ 250 ppm (measured)

•CO2 level set from factory, see chapter 6.4.

Dimensions

•Depth (in): 11¼” (286 mm)

•Width (in): 17 7/8” (452 mm)

•Height (in): 30½” (775 mm)

•Weight: 67 pounds (30,5 kg).

Gas types

Natural Gas. LP Gas.

Converting the gas type can only be done by a certified gas technician with a calibrated CO2 analyzer.

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Contents Intended for variable flow applications What to do if you smell gasIndex For your safety FCCGWH 2400 ES Specifications Technical data FeaturesAppliance details Unpacking the GWH 2400 ES heater General rules to follow for safe operation To remove combustion cover service onlyAppliance details To remove front cover Dimensions and Minimum installation clearances DimensionsInstallation instructions Tools required for installationIntroduction VentingVent Safety System Fittings or Piping Equivalent FeetDescription Minimum distance Installation instructions Venting configuration examples Room sealed installation Twin Pipe System Installation instructions Condensate drain requirementsVenting Flex ProTech Heat Fab Determining installation adjustment ExhaustInstallation instructions Vent connections Combustion air requirements Twin pipeHeater placement and clearances Proper location for installing your heaterMounting installation Gas piping & connections GAS Connections For Natural GAS Water connections Water qualityRecirculation application Recirculation applicationMeasuring gas pressure Electrical connections Electrical power supplyPosition of the fuses in control unit Operation instructions LCD Display functionsPower For your safety read before operating your water heaterTemperature selection Use of optional remote control accessory part no. TSTAT2 Reset buttonOperation Program buttonMaintenance and service Annual maintenance table Every yearAnnual maintenance Winterizing for seasonal useDescaling using a pump Adjusting CO2 carbon dioxideMineral scale build-up Measuring CO2 combustion cover must be installed Adjusting CO2Returning to Service Once Gas Pressure is adequateFinal Readings % 2.8 % 60 ppmProgram values Program Description Factory DefaultComment Control board diagnostics Diagnostic menuFan speed adjustment Total vent length calculationIntake ExampleMaintenance and service To select fan speed Mode Pipe Length1 Fan speedTroubleshooting TroubleshootingWater is too hot Water is not hot enoughLow water flow/pressure Hot water temperature fluctuates at tapNoisy burner/heater during operation Troubleshooting Problem solving Error code diagnosticsProblem solving Display Cause Solution Venting may cause this failureOver-temperature detected by No flame ionization detected with Electrical diagram Electrical diagramSensor resistance charts Back Flow characteristics GWH 2400 ES Functional scheme Functional schemeInterior components diagram and parts list Interior components diagram and parts listInterior components Appliance overview Components diagram GroupDescription Reference Item DescriptionInterior components diagram and parts list Group Interior components diagram and parts list Group Interior components diagram and parts list Group Interior components diagram and parts list Group 708 300 Protecting the environment Protecting the environmentPacking ComponentsLimited Warranty Bosch Thermotechnology Corporation

GWH 2400 ES NG, GWH 2400 ES LP specifications

Bosch Appliances has established a reputation for delivering high-quality and innovative home solutions, and the Bosch GWH 2400 ES LP and GWH 2400 ES NG are no exceptions. These high-efficiency water heaters are designed to provide on-demand hot water, ensuring comfort and convenience for your home.

One of the standout features of the Bosch GWH 2400 ES LP (Liquid Propane) and GWH 2400 ES NG (Natural Gas) models is their compact, space-saving design. These tankless water heaters are engineered to fit in smaller spaces, making them an ideal choice for homes with limited installation areas. Despite their compact size, both models provides a powerful performance that meets the hot water needs for multiple fixtures simultaneously, such as showers, faucets, and washing machines.

These water heaters are equipped with advanced technology that enables precise temperature control. The Bosch GWH 2400 ES series utilizes a microprocessor-based control system that allows for consistent water heating, ensuring the water temperature remains stable even during high demand. The modulating gas valve further optimizes energy consumption, adjusting the flame intensity to meet the exact heating needs, thus enhancing efficiency.

In terms of safety, both the GWH 2400 ES LP and NG come with multiple safety features. These include a flame failure safeguard, overheating protection, and a built-in freeze protection system. Such features ensure both peace of mind and the longevity of the unit.

Installation is straightforward with these models, as they can be vented using standard venting materials, saving time and costs. Additionally, the units boast a low NOx emissions rating, making them environmentally friendly choices that help homeowners reduce their carbon footprint.

Maintenance is minimal, thanks to the corrosion-resistant heat exchanger which ensures durability and long service life under normal operating conditions. This factor, combined with Bosch’s renowned commitment to quality, makes these models a reliable investment for any household.

Whether you opt for the GWH 2400 ES LP or the GWH 2400 ES NG, you will experience the benefits of a powerful, efficient, and safe water heating solution tailored to your specific household needs. Bosch has truly combined technology, sustainability, and user comfort in these innovative models, solidifying their place as leaders in the home appliance market.
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