Bosch 830ES Specifications

Temperature Modulated with Electronic Ignition Suitable for heating potable water and space heating (Intended for variable flow applications)INDOOR MO

10 | Installation instructions830 ES6 720 644 936 (2013/01)Fig. 7 Side view4 Installation instructions4.1 Specialized toolsThe following specialized t

Installation instructions | 116 720 644 936 (2013/01)830 ES4.3.1 Vent materialEstablish vent clearances that comply with the vent manufacturer's

12 | Installation instructions830 ES6 720 644 936 (2013/01)4.3.2 Vent specificationsInstall appliance as close to point of vent termination as possibl

Installation instructions | 136 720 644 936 (2013/01)830 ESCalculation example for 3" venting:ExhaustCombustion airCalculation example for 4"

14 | Installation instructions830 ES6 720 644 936 (2013/01)Required direct vent terminal clearances (twin pipe / concentric penetration)Fig. 11[*] For

Installation instructions | 156 720 644 936 (2013/01)830 ESRequired other than direct vent terminal clearances (single pipe penetration)Fig. 12[*] For

16 | Installation instructions830 ES6 720 644 936 (2013/01)4.3.3 Vent configuration examplesBelow are approved examples of vertical and horizontal ven

Installation instructions | 176 720 644 936 (2013/01)830 ESFig. 17[1] Appliance[2] Condensate drain[3] Elbow[4] Hose clamp[5] Firestop support[6] Fire

18 | Installation instructions830 ES6 720 644 936 (2013/01)Fig. 19[1] Appliance[2] Condensate drain[3] Elbow[4] Hose clamp[5] Hanger strap[6] Horizont

Installation instructions | 196 720 644 936 (2013/01)830 ES• 1. Install condensate drain on a horizontal section of the exhaust pipe as close to the h

2 | Table of contents830 ES6 720 644 936 (2013/01)Table of contents1 Key to symbols and safety instructions . . . . . . . . . . . . . . . . . . . 31.1

20 | Installation instructions830 ES6 720 644 936 (2013/01)Fig. 25 Combustion air piping not shown for clarity purposes[1] Good[2] Better[3] BestFig.

Installation instructions | 216 720 644 936 (2013/01)830 ES4.3.8 Fan speed adjustmentInstallation adjustment:After installing the tankless water heate

22 | Installation instructions830 ES6 720 644 936 (2013/01)Adjusting minimum power fan speed (P2)To select fan speed:▶ Press ON/OFF button into ON.▶

Installation instructions | 236 720 644 936 (2013/01)830 ES1. The referenced "special venting system" instructions shall be included with th

24 | Installation instructions830 ES6 720 644 936 (2013/01)4.6 Heater placement and clearancesThe water heater design is approved for installation on

Installation instructions | 256 720 644 936 (2013/01)830 ESFig. 31 Mounting the heater4.8 Mounting installation for manufactured (mobile) homesWhen in

26 | Installation instructions830 ES6 720 644 936 (2013/01)4.9 Gas piping & connections Before connecting the gas supply, check the rating plate o

Installation instructions | 276 720 644 936 (2013/01)830 ES4.9.1 FOR NATURAL GASMaximum Capacity of pipe in Cubic Feet of Gas per Hour for Gas Pressur

28 | Installation instructions830 ES6 720 644 936 (2013/01)4.10 Water connections ▶ When facing the heater, the ¾ ” cold connection is on the bottom r

Installation instructions | 296 720 644 936 (2013/01)830 ESFig. 36 Plumbing Connections (with shutoff valves) and Pressure Relief Valve4.12 Domestic h

Key to symbols and safety instructions | 36 720 644 936 (2013/01)830 ES1 Key to symbols and safety instructions1.1 Key to symbolsWarningsThe following

30 | Installation instructions830 ES6 720 644 936 (2013/01)Fig. 38 Pressure drop curveFig. 39 Space heating diagram[1] Hot water outlet[2] Cold water

Electrical connections | 316 720 644 936 (2013/01)830 ES4.14 Measuring gas pressureConfirm gas pressure upon installation.Connecting manometer▶ Shut o

32 | Operation instructions830 ES6 720 644 936 (2013/01)Fig. 42 Connecting power supply cord[1] Power cord length: 3ft.Note: The outlet the appliance

Operation instructions | 336 720 644 936 (2013/01)830 ESFig. 47 Temperature indicatorFig. 48 Error indicatorFig. 49 Locked condition indicator (only w

34 | Operation instructions830 ES6 720 644 936 (2013/01)▶ Press buttons or in order to reach desired temperature.Fig. 54Setting the water temperat

Maintenance and service | 356 720 644 936 (2013/01)830 ES6.6 Operation▶ When a hot water tap is opened, main burner ignites and LCD displays indicatio

36 | Maintenance and service830 ES6 720 644 936 (2013/01)Section 4.4, page 23, chapter 4.3, page 10 of this manual to verify exhaust system and combus

Maintenance and service | 376 720 644 936 (2013/01)830 ESStatic Gas Pressure: “ WCP1 Operating Pressure: “ WCThe P1 minimum operating gas pressure

38 | Maintenance and service830 ES6 720 644 936 (2013/01)Fig. 65 Adjusting P1 CO2 levelFig. 66 Adjusting P2 CO2 level7.5 Program valuesThis section de

Maintenance and service | 396 720 644 936 (2013/01)830 ES7. Once in the selected diagnostic mode of your choice, press and release the button to dis

4 | Key to symbols and safety instructions830 ES6 720 644 936 (2013/01)Danger from electric shock▶ Ensure that only an authorized contractor performs

40 | Troubleshooting830 ES6 720 644 936 (2013/01)8 Troubleshooting8.1 IntroductionMany of the questions customers ask regarding operation of this unit

Troubleshooting | 416 720 644 936 (2013/01)830 ES8.6 Hot water temperature fluctuates at tap1. Hot water is very hot out of the water heater, requirin

42 | Problem solving830 ES6 720 644 936 (2013/01)9 Problem solving9.1 Error code diagnosticsTo remove error code from the display, press the reset but

Problem solving | 436 720 644 936 (2013/01)830 ESNo rotational speed sensor signal from primary fan.1. Disconnect power supply cord and check wire con

44 | Problem solving830 ES6 720 644 936 (2013/01)No flame ionization detected with water flow.1. Verify that all manual gas shut off valves are open.2

Electrical diagram | 456 720 644 936 (2013/01)830 ES10 Electrical diagramFig. 67 Electrical scheme[1] Intlet water temperature sensor[2] Outlet water

46 | Sensor resistance charts830 ES6 720 644 936 (2013/01)11 Sensor resistance chartsFig. 68 Outlet / Inlet immersion sensor characteristicsFig. 69

Functional scheme | 476 720 644 936 (2013/01)830 ES12 Functional schemeFig. 70 Functional scheme

48 | Interior components diagram and parts list830 ES6 720 644 936 (2013/01)13 Interior components diagram and parts list13.1 Interior componentsFig.

Interior components diagram and parts list | 496 720 644 936 (2013/01)830 ESFig. 72 Appliance overview

Key to symbols and safety instructions | 56 720 644 936 (2013/01)830 ESFor your safety▶ Do not store or use gasoline or other flammable, combustible o

50 | Interior components diagram and parts list830 ES6 720 644 936 (2013/01)13.2 Components diagram13.2.1 Group 1Fig. 73 Components DiagramItem Descri

Interior components diagram and parts list | 516 720 644 936 (2013/01)830 ES13.2.2 Group 2Fig. 74 Components DiagramItem Description Reference1 Heat e

52 | Interior components diagram and parts list830 ES6 720 644 936 (2013/01)13.2.3 Group 3Fig. 75 Components DiagramItem Description Reference1 Main b

Interior components diagram and parts list | 536 720 644 936 (2013/01)830 ES13.2.4 Group 4Fig. 76 Components DiagramItem Description Reference1 Gas va

54 | Interior components diagram and parts list830 ES6 720 644 936 (2013/01)13.2.5 Group 5Fig. 77 Components DiagramItem Description Reference1 Water

Interior components diagram and parts list | 556 720 644 936 (2013/01)830 ES13.2.6 Group 6Fig. 78 Components Diagram6720644956-09.1VItem Description R

56 | Protecting the environment830 ES6 720 644 936 (2013/01)14 Protecting the environment PackingThe packing box may be fully recycled as confirmed by

LIMITED WARRANTY FOR BOSCH THERM AND GREENTHERM TANKLESS WATER HEATERS | 576 720 644 936 (2013/01)830 ES15 LIMITED WARRANTY FOR BOSCH THERM AND GREENT

58 | Installer Checklist to be completed by installer upon installation830 ES6 720 644 936 (2013/01)16 Installer Checklist to be completed by installe

| 596 720 644 936 (2013/01)830 ESNotes

6 | FCC rules830 ES6 720 644 936 (2013/01)2 FCC rulesFCC: This device complies with Part 15 of the FCC rules. Operation is subject to the following tw

Appliance details | 76 720 644 936 (2013/01)830 ES3.2 Specifications (Technical data)Approved in US/CanadaSafety devices• Flame failure device (ioniza

8 | Appliance details830 ES6 720 644 936 (2013/01)3.3.1 The box includes• 830 ES• Bracket for wall hanging the heater• Exhaust vent adaptor (with 4 sc

Appliance details | 96 720 644 936 (2013/01)830 ESIn Canada: The Installation must conform with CSA B149.(1,2) INSTALLATION CODES and /or local instal