Limited Warranty | Bosch Appliances GWH 2700 ES NG, GWH 2700 ES LP

Limited Warranty

6 720 608 542

59

Image 59

Bosch Appliances GWH 2700 ES NG, GWH 2700 ES LP, ESVVT manual Limited Warranty

Contents

What to do if you smell gas Intended for variable flow applications Index For your safety Appliance details Features Specifications Technical data GWH 2700 ES is not approved or designed for To remove combustion cover service onlyUnpacking the heater Venting General rules to follow for safe operation Dimensions Dimensions and Minimum installation clearances Venting Installation instructionsTools required for installation Introduction Fittings or Piping Equivalent Feet Installation instructions Horizontal venting systems onlyVenting Specifications Maximum combustion air and exhaust pipe length Installation instructions Condensate drain requirementsTwin pipe termination clearances Minimum combustion air and exhaust pipe length Canadian installations1 Installations2 Canadian installations1 Horizontal twin pipe penetration Vent connections Vertical venting installation twin pipe penetra- tion Venting Flex ProTech Heat Fab Installation instructions Condensate drain installation Example Total equivalent vent length calculationExhaust Intake Level Vent length1 Speed P2 Adjusting minimum power fan speed P2Adjusting maximum power fan speed P1 Installation instructions Twin pipe and Concentric pipe Combustion air requirements Mounting installation Proper location for installing your heaterHeater placement and clearances Gas piping & connections GAS Line Sizing For Natural GAS Water quality Water connections GWH Domestic hot water recirculation Operating Pressure Test Connecting manometerMeasuring gas pressure Static Pressure Test Position of the fuses in control unit Electrical power supplyElectrical connections LCD Display functions Operation instructions Temperature selection For your safety read before operating your water heaterPower Program button Use of optional remote control Accessory part no. TSTAT2Reset button Operation Winterizing for seasonal use Maintenance and serviceAnnual maintenance table Every year Annual maintenance Mineral scale build-up Adjusting CO2 carbon dioxideDescaling using a pump Once Gas Pressure is adequate Measuring CO2 combustion cover must be installedAdjusting CO2 Returning to Service % 3.0 % 60 ppm Final Readings Comment Program Description Factory DefaultProgram values Diagnostic menu Control board diagnostics Water is not hot enough TroubleshootingTroubleshooting Water is too hot Noisy burner/heater during operation Hot water temperature fluctuates at tapLow water flow/pressure Lack of adequate gas pressure. Inadequate gas Error code diagnostics Problem solving Venting may cause this failure Problem solving Display Cause Solution Over-temperature detected by No flame ionization detected with Electrical diagram Electrical diagram Sensor resistance charts Back Flow characteristics Functional scheme GWH 2700 ES Functional scheme Interior components Interior components diagram and parts listInterior components diagram and parts list Appliance overview Description Reference Components diagramGroup Interior components diagram and parts list Group 1211 6720608158-73.1AL Interior components diagram and parts list Group 708 300 Components Protecting the environmentProtecting the environment Packing Limited Warranty Limited Warranty 6720608542