Bosch Appliances GWH 2700 ES LP, ESVVT, GWH 2700 ES NG manual 6720608542

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6720608542

Installer Checklist to be completed by installer upon installation

Serial Number

___ ___ ___ ___ ___ ___ ___ ___

 

(8 digit serial number is located on rating plate on right side panel)

Gas Pressure Reading*

Static__________

Operating__________

Building Water Pressure

__________

Range if on Well system __________

Installing Company

_____________________________________________

Installer name

_____________________________________________

Address

_____________________________________________

Phone

_____________________________________________

* See Chapter 3.12, page 27 and gas pressure table (to be filled out by installer)

Installation manual should be left with the owner after the installation is tested and completed

Replacement Parts available from:

BOSCH THERMOTECHNOLOGY CORP.

50 Wentworth Avenue Londonderry, NH 03053 Tel. 866-330-2730 www.boschhotwater.com

Bosch Termotecnologia SA

Estrada de Cacia

3801 - 856 Aveiro - PORTUGAL

©2009 Bosch Thermotechnology Corp., Londonderry, NH all rights reserved

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Contents Intended for variable flow applications What to do if you smell gasIndex For your safety Features Appliance detailsSpecifications Technical data To remove combustion cover service only Unpacking the heaterGWH 2700 ES is not approved or designed for General rules to follow for safe operation VentingDimensions and Minimum installation clearances DimensionsInstallation instructions Tools required for installationIntroduction VentingInstallation instructions Horizontal venting systems only Venting SpecificationsFittings or Piping Equivalent Feet Installation instructions Condensate drain requirements Twin pipe termination clearancesMinimum combustion air and exhaust pipe length Maximum combustion air and exhaust pipe lengthCanadian installations1 Installations2 Canadian installations1 Horizontal twin pipe penetration Vertical venting installation twin pipe penetra- tion Vent connectionsInstallation instructions Condensate drain installation Venting Flex ProTech Heat FabTotal equivalent vent length calculation ExhaustIntake ExampleAdjusting minimum power fan speed P2 Adjusting maximum power fan speed P1Level Vent length1 Speed P2 Installation instructions Combustion air requirements Twin pipe and Concentric pipeProper location for installing your heater Heater placement and clearancesMounting installation Gas piping & connections GAS Line Sizing For Natural GAS Water connections Water qualityDomestic hot water recirculation GWHConnecting manometer Measuring gas pressureStatic Pressure Test Operating Pressure TestElectrical power supply Electrical connectionsPosition of the fuses in control unit Operation instructions LCD Display functionsFor your safety read before operating your water heater PowerTemperature 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 useAdjusting CO2 carbon dioxide Descaling using a pumpMineral scale build-up Measuring CO2 combustion cover must be installed Adjusting CO2Returning to Service Once Gas Pressure is adequateFinal Readings % 3.0 % 60 ppmProgram Description Factory Default Program valuesComment Control board diagnostics Diagnostic menuTroubleshooting TroubleshootingWater is too hot Water is not hot enoughHot water temperature fluctuates at tap Low water flow/pressureNoisy burner/heater during operation Lack of adequate gas pressure. Inadequate gas 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 2700 ES Functional scheme Functional schemeInterior components diagram and parts list Interior components diagram and parts listInterior components Appliance overview Components diagram GroupDescription Reference Interior components diagram and parts list Group 1211 6720608158-73.1AL Interior components diagram and parts list Group 708 300 Protecting the environment Protecting the environmentPacking ComponentsLimited Warranty Limited Warranty 6720608542