Bosch Appliances GWH 2400 ES NG Program values, Program Description Factory Default, Comment

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Maintenance and service

6.5Program values

This section describes details on programming the appliance. For most applications the factory default values will robust and stable operation. Only adjust the factory settings if the installation requires changes as indicated in the appropriate section of this manual.

Refer to chapter 6.6 Control board diagnostics (page 32) regarding how to access these P-modes.

Caution: Misadjusted program values can lead to appliance malfunction, errors, and service calls.

Program

Description

Factory Default

MIN

MAX

Comment

 

 

 

 

 

 

P1

Maximum Power

NG:40, LP:37

21

NG:40, LP:37

see chapter 3.12, page 22.

 

 

 

 

 

note: reducing P1 values below

 

 

 

 

 

maximum will reduce maximum

 

 

 

 

 

power of the appliance.

 

 

 

 

 

 

P2

Minimum Power

6

6

20

see chapter 6.7, page 33

 

 

 

 

 

 

P3

Remote Con-

_0

_0

6

see chapter 5.5, page 26

 

trols installed

 

 

 

 

 

 

 

 

 

 

P4

Access to Diag-

E

0d

10f

see chapter 6.6, page 32

 

nostic Mode

 

 

 

 

 

 

 

 

 

 

P6

Temperature

°F

°F

°C

 

 

Unit

 

 

 

 

 

 

 

 

 

 

Table 15 Program values, factory default settings and ranges.

6 720 608 782

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Contents What to do if you smell gas Intended for variable flow applicationsIndex FCC For your safetyGWH 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 Dimensions and Minimum installation clearancesVenting Installation instructionsTools required for installation IntroductionFittings or Piping Equivalent Feet Vent Safety SystemDescription Minimum distance Installation instructions Venting configuration examples Room sealed installation Twin Pipe System Installation instructions Condensate drain requirementsVenting Flex ProTech Heat Fab Exhaust Determining installation adjustmentInstallation instructions Vent connections Twin pipe Combustion air requirementsHeater placement and clearances Proper location for installing your heaterMounting installation Gas piping & connections GAS Connections For Natural GAS Water quality Water connectionsRecirculation application Recirculation applicationMeasuring gas pressure Electrical connections Electrical power supplyPosition of the fuses in control unit LCD Display functions Operation instructionsPower For your safety read before operating your water heaterTemperature selection Program button Use of optional remote control accessory part no. TSTAT2Reset button OperationWinterizing for seasonal use Maintenance and serviceAnnual maintenance table Every year Annual maintenanceDescaling using a pump Adjusting CO2 carbon dioxideMineral scale build-up Once Gas Pressure is adequate Measuring CO2 combustion cover must be installedAdjusting CO2 Returning to Service% 2.8 % 60 ppm Final ReadingsProgram values Program Description Factory DefaultComment Diagnostic menu Control board diagnosticsExample Fan speed adjustmentTotal vent length calculation IntakeMode Pipe Length1 Fan speed Maintenance and service To select fan speedWater is not hot enough TroubleshootingTroubleshooting Water is too hotLow water flow/pressure Hot water temperature fluctuates at tapNoisy burner/heater during operation Troubleshooting Error code diagnostics Problem solvingVenting may cause this failure Problem solving Display Cause SolutionOver-temperature detected by No flame ionization detected with Electrical diagram Electrical diagramSensor resistance charts Back Flow characteristics Functional scheme GWH 2400 ES Functional schemeInterior components diagram and parts list Interior components diagram and parts listInterior components Appliance overview Item Description Components diagramGroup Description ReferenceInterior 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 Components Protecting the environmentProtecting the environment PackingLimited 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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