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Bosch 830 ES Manual

Temperature modulated with electronic ignition suitable for heating potable water and space heating (intended for variable flow applications)
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INDOOR MODEL
830 ES
830 ES - Natural Gas / 830 ES - Liquefied Petroleum (LP) Gas
Temperature Modulated with Electronic Ignition Suitable for heating potable water and space heating
(Intended for variable flow applications)
Warning: If the information in this manual is not followed exactly, a fire
or explosion may result causing property damage, personal injury or
death.
Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this or any other appliance.
Installation and service must be performed by a trained and certified
installer, service agency or the gas supplier.
Improper installation, adjustment, alteration, service or maintenance
can cause injury or property damage. Refer to this manual. For assis-
tance or additional information consult a qualified installer, service
agency or the gas supplier.
In the Commonwealth of Massachusetts this product must be installed
by a licensed plumber or gas fitter.
Upon completion of the installation, these instructions should be
handed to the user of the appliance for future reference.
What to do if you smell gas
Turn off the gas shut-off valve. Open windows and doors.
• Do not try to light any appliance.
• Do not touch any electrical switch, telephone, and do not use outlets.
• Extinguish all open flames. Do not smoke! Do not use lighters!
• Warn all occupants of the building. Do not ring doorbells!
• If you can hear gas leaking, leave the building immediately. Prevent
others from entering the building and notify the police and fire
department from outside the building.
From outside the building, call the gas utility company and a trained
and certified installer.

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  Summary of Contents for Bosch 830 ES

  • Page 1 From outside the building, call the gas utility company and a trained and certified installer. INDOOR MODEL 830 ES 830 ES - Natural Gas / 830 ES - Liquefied Petroleum (LP) Gas Temperature Modulated with Electronic Ignition Suitable for heating potable water and space heating (Intended for variable flow applications)
  • Page 2: Table Of Contents

    Operation instructions ....... 32 15 LIMITED WARRANTY FOR BOSCH THERM AND GREENTHERM Description LCD Display .
  • Page 3: Key To Symbols And Safety Instructions

    ▶ Immediately correct all faults to prevent system damage. ▶ In the Commonwealth of Massachusetts, the water heater must be ▶ Use only Bosch spare parts! Damage caused by the use of parts not installed by a licensed plumber. supplied by Bosch may void the warranty.
  • Page 4 ▶ After a flood, do not use the appliance if any part has been submerged. Damage to appliances that have been submerged can be quite severe and pose numerous safety risks. ▶ Every appliance that has been submerged must be replaced. 6 720 644 936 (2013/01) 830 ES...
  • Page 5 ▶ The maximum inlet gas pressure must not exceed the water heating appliance. value specified by the manufacturer and the minimum value listed is for the purpose of input adjustment. 830 ES 6 720 644 936 (2013/01)
  • Page 6: Fcc Rules

    • Pressure relief valve (7 738 001 152) • Horizontal vent kit (4TWHVK3SII) Fig. 1 BOSCH is constantly improving its products, therefore The chart below shows the relationship between water temperature and specifications are subject to change without prior time until there is a risk of scalding. It can be used as the basis for notice.
  • Page 7: Specifications (Technical Data)

    Appliance details | 7 Specifications (Technical data) Technical characteristics Units 830 ES Approved in US/Canada Weight pounds (kg) 67 (30.5) Gas types Technical characteristics Units 830 ES Capacity Natural Gas Maximum flow rate at a 25 °F GPM (l/min) 11.6 (43.8) LP Gas (13.9 °C) rise...
  • Page 8: General Rules To Follow For Safe Operation

    • Product registration card Please complete and return the enclosed product registration card. The 830 ES is not approved or designed for: • Manufactured (mobile) homes, boats or any mobile installation. (Modular homes are acceptable for installation). • Use above 8000 ft A.S.L. altitude (see page 21).
  • Page 9: Dimensions And Minimum Installation Clearances

    (not supplied with void the warranty. Dimensions and minimum installation clearances Fig. 6 Dimensions On/Off button LCD display Reset button Up button Program key Down button Power ON or stand-by LED 830 ES 6 720 644 936 (2013/01)
  • Page 10: Installation Instructions

    If improperly installed, a hazardous condition such as explosion or carbon monoxide poisoning could result. Bosch Thermotechnology Corp. is not responsible for improperly installed appliances. Common installation practice is to first determine the venting/combustion air point of termination, then Fig.
  • Page 11 If improperly installed, a hazardous condition such as explosion or carbon monoxide poisoning could result. Bosch Water Heating will not be responsible for improperly installed appliances. NOTICE: ▶ In areas where outside temperatures routinely come close to freezing, sealed combustion operation is required.
  • Page 12 45° and 90° elbows may be used in installation, please contact the vent manufacturer directly. the vent system as long as the combination does not exceed the maximum listed in table 9 above. 6 720 644 936 (2013/01) 830 ES...
  • Page 13 Total = 58,5’ Table 14 Table 18 For this example, the maximum allowable combustion For this example, the maximum allowable combustion air pipe length is 22,25 feet. air pipe length is 58,5 feet. 830 ES 6 720 644 936 (2013/01)
  • Page 14 A minimum clearance value determined by testing in accordance with section 2.20, or; b) A reference to the following footnote: “Clearance in accordance with local installation codes and the requirements of the gas supplier.” 6 720 644 936 (2013/01) 830 ES...
  • Page 15 A minimum clearance value determined by testing in accordance with section 2.20, or; b) A reference to the following footnote: “Clearance in accordance with local installation codes and the requirements of the gas supplier.” 830 ES 6 720 644 936 (2013/01)
  • Page 16 Appliance Elbow (note: minimum 1ft of straight vent pipe required) Horizontal run ¼ " per foot down to termination WARNING: ▶ Single pipe penetration should be used in non- freezing climates only! 6 720 644 936 (2013/01) 830 ES...
  • Page 17 Appliance Condensate drain Elbow Hose clamp Firestop support Firestop support Rain cap Storm collar Flashing [10] 4" minimum air space WARNING: ▶ Single pipe penetration should be used in non- freezing climates only! 830 ES 6 720 644 936 (2013/01)
  • Page 18 Exhaust accessory can be removed If an external condensate drain (installer supplied) must be installed with vent pipe attached to check gasket position. (chapter 4.3.2), the following is recommended: 6 720 644 936 (2013/01) 830 ES...
  • Page 19 Supplying more combustion air for all combustion appliances is the solution. A HVAC specialist should be consulted to design solutions for providing more combustion air. 830 ES 6 720 644 936 (2013/01)
  • Page 20 Table 22 Z-Flex Venting list Fig. 26 Combustion air piping not shown for clarity purposes Good Better Best Enclosed vent pipe (Do not install damper) Unconditioned space (Do not install damper) Preferred damper position for vertical terminations 6 720 644 936 (2013/01) 830 ES...
  • Page 21 * Above 2000 ft, CO2 levels must be checked with a combustion gas analyzer, see section7.4 for instructions. Table 24 Fan speed adjustment for 4" piping 1) Full equivalent length (inlet + outlet piping + fittings) 830 ES 6 720 644 936 (2013/01)
  • Page 22 "special venting shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS systems," the following requirements shall be satisfied by the certified. manufacturer: 6 720 644 936 (2013/01) 830 ES...
  • Page 23: Combustion Air Requirements

    If a single pipe installation is utilized, follow guidelines below for energy. Centrally locating the water heater is recommended to keep providing adequate combustion air for the water heater as well as any hot water distribution times even throughout the structure. 830 ES 6 720 644 936 (2013/01)
  • Page 24: Heater Placement And Clearances

    ▶ Secure the wall mounting bracket provided with the heater to a wall surface. The heater must be kept level on the wall surface, see fig. 30, page 25. ▶ Hang the appliance on the bracket, see fig. 31, page 26. 6 720 644 936 (2013/01) 830 ES...
  • Page 25: Mounting Installation For Manufactured (Mobile) Homes

    If the wall is sheathed with plaster or drywall, it is recommended that a support board be first attached across a pair of studs at the bottom of the unit as shown in fig. 29. 830 ES 6 720 644 936 (2013/01)
  • Page 26: Gas Piping & Connections

    ▶ If you detect a leak, shut off the gas. Tighten appropriate fittings to stop leak. Turn the gas on and check again with a gas leak detection solution. Never test for gas leaks using a match or flame. 6 720 644 936 (2013/01) 830 ES...
  • Page 27 (0.75mbar).(Based on a 0.60 Specific Gravity Gas) BTU numbers given in thousands. Follow boxed numbers for piping just one 830 ES (example: ¾” B.I. Natural Gas pipe for 10 ft (3.0m) will handle 278,000 BTU/hr (81.5 kW). For multiple appliances combine the total maximum BTU/hr input load and then refer to applicable chart below.
  • Page 28: 4.10 Water Connections

    For water analysis data call your local water department, or if on a well, have well water analyzed periodically. If water quality exceeds one or more of the values specified below, Bosch recommends consulting a local water treatment professional for water softening/conditioning options.
  • Page 29: 4.12 Domestic Hot Water Recirculation

    Bosch supports applications of combination DHW and space heating in an open loop configuration if plumbed similar to fig. 39. Use of a Bosch tankless water heater in a combination DHW and space heating application will result in the product warranty being reduced to 3 years.
  • Page 30 [17] Thermostat Thermal expansion tank (as required) [18] Space heating zone Atmospheric vacuum breaker [19] Zone controller Cold inlet [20] Space heating pump Check valve [21] Expansion tank [10] Pump [22] Pressure relief valve 6 720 644 936 (2013/01) 830 ES...
  • Page 31: 4.14 Measuring Gas Pressure

    Canadian Electrical Code, CSA C22.1 Part 1. Do not rely on the gas or water piping to ground the metal parts of the heater. 830 ES 6 720 644 936 (2013/01)
  • Page 32: Position Of The Fuses In Control Unit

    Up button Down button Power On or stand-by LED Description LCD Display Fig. 46 Power bar indicator (input) WARNING: ▶ Do not use any cleaning aggressive or corrosive agents to clean the window. 6 720 644 936 (2013/01) 830 ES...
  • Page 33: For Your Safety Read Before Operating Your Water Heater

    Fig. 51 Solar mode indicator (see chapter 6.4, page 33) ▶ To shut down the appliance press the On/Off button again. Temperature selection To select hot water temperature: Fig. 52 Remote control indicator 830 ES 6 720 644 936 (2013/01)
  • Page 34: Use Of Optional Remote Control Accessory (Part No. Tstat2)

    (Fig.78, component 16) is required when installing the remote control with this heater. NOTE: up to 6 remote controls can be programmed for one single water heater, each with a range distance of 98 ft (30 m). 6 720 644 936 (2013/01) 830 ES...
  • Page 35: Operation

    Observe burner flames during heater operation. Using “Program” function Flames should be steady and blue with no signs of yellowing. Yellow In order to select memorized temperature burner flames are an indication of improper combustion. Refer to 830 ES 6 720 644 936 (2013/01)
  • Page 36: Winterizing For Seasonal Use

    • Inspect heat exchanger fin coils for soot build-up or blockage. To ▶ Run solution through the heater until the solution returning to the access fincoil, consult service bulletin at www.bosch-climate.us. If descaling reservoir comes out clear. (Changing to a fresh solution may there is evidence of soot build-up or blockage, the heat exchanger be necessary during this process).
  • Page 37 ▶ Press the ‘+’ button until P2 appears. Unit will ramp down to low fire and the water flow should decrease. ▶ Record the CO reading in P2 below. P1 CO Reading: % CO P2 CO Reading: % CO 830 ES 6 720 644 936 (2013/01)
  • Page 38: Program Values

    “P” - button Cascading type This menu is only available when cascade mode is selected CC. Contact Bosch Water Heating for details. Primary/Secondary mode Table 36 Program values, factory default settings and ranges. Control board diagnostics 4.
  • Page 39 Table 37 * Settings define from factory 7.6.1 Working hours To see how many hours the appliance has worked, please enter the “Diagnostic menu” (chapter 7.6); ▶ Select the sub-mode “H0”. Write the number that shows in the display. 830 ES 6 720 644 936 (2013/01)
  • Page 40: Troubleshooting

    See chapter7.3, page 36 for directions. be answered by following the troubleshooting steps as outlined below. Visit our web site at www.bosch-climate.us for more detailed Water is not hot enough troubleshooting. For best results, perform each step before proceeding to the next.
  • Page 41: Hot Water Temperature Fluctuates At Tap

    If this slows the flow through the tankless water heater below its activation point, it will shut off the burners. The end result is nothing but cold water coming out of the outlet. Consult www.bosch- climate.us for a detailed service bulletin on overcoming temperature fluctuations.
  • Page 42: Problem Solving

    (Status message, not an error). 2. Check supply voltage. It must be 120VAC and properly grounded. 3. Possible defective control unit call Bosch Water Heating for further instructions. Primary fan rotation too low in 1. Disconnect power supply cord and check wire connection on back side of fan and operation.
  • Page 43 78, page 55. 2. Check supply voltage. It must be 120VAC and properly grounded. 3. Possible defective component in fan or defective control unit call Bosch Water Heating for further instructions.
  • Page 44 Measure voltage at the gas valve wire plug connection. The voltage should measure 24VDC between the left pair of wires and 24VDC between the right pair of wires when the unit is operating. If voltage is not proper, contact Bosch Water Heating for further instruction.
  • Page 45: Electrical Diagram

    [11] Jumper resistance [12] Water valve [13] Primary fan [14] ON/OFF switch [15] Secondary fan [16] AC plug [17] Main connection [18] Ignition electrodes [19] Ground post [20] Antifreeze kit connection [21] Fuse [22] Fuse 830 ES 6 720 644 936 (2013/01)
  • Page 46: Sensor Resistance Charts

    46 | Sensor resistance charts Sensor resistance charts Fig. 68 Outlet / Inlet immersion sensor characteristics Fig. 69 6 720 644 936 (2013/01) 830 ES...
  • Page 47: Functional Scheme

    Functional scheme | 47 Functional scheme Fig. 70 Functional scheme 830 ES 6 720 644 936 (2013/01)
  • Page 48: Interior Components Diagram And Parts List

    [17] Water valve with engine and temperature sensor On/Off button [18] Control unit Reset button [19] Up button Program key [20] Down button [10] Flue gas limiter [21] LED [11] Heat exchanger overheat sensor 6 720 644 936 (2013/01) 830 ES...
  • Page 49 Interior components diagram and parts list | 49 Fig. 72 Appliance overview 830 ES 6 720 644 936 (2013/01)
  • Page 50: 13.2 Components Diagram

    8 705 504 154 0 Observation window 8 705 600 003 0 Mounting bracket 8 701 309 164 0 Holding bracket 8 708 104 103 0 Table 41 Screw 8 703 403 012 0 Table 41 6 720 644 936 (2013/01) 830 ES...
  • Page 51 8 705 700 153 0 Rubber grommet 8 710 303 027 0 Overheat sensor (ECO) 8 707 206 204 0 Table 42 Heat exchanger bottom gasket 8 704 701 054 0 Table 42 830 ES 6 720 644 936 (2013/01)
  • Page 52 2 910 952 122 0 Secondary fan - LPG 8 707 204 072 0 Table 43 Screw 8 703 403 012 0 Gas / Air Mixer 8 705 700 170 0 Table 43 6 720 644 936 (2013/01) 830 ES...
  • Page 53 8 700 507 002 0 Gasket 8 704 701 085 0 Gas / Fan connector 8 705 202 140 0 Washer 8 704 701 062 0 Regulation screw 8 703 404 220 0 Table 44 830 ES 6 720 644 936 (2013/01)
  • Page 54 8 700 205 129 0 Hydraulic block 8 738 704 672 0 Filter 8 700 507 081 0 Filter cover 8 738 702 550 0 Wireform spring 8 704 705 029 0 Table 45 6 720 644 936 (2013/01) 830 ES...
  • Page 55 8 704 401 347 0 Screw (optional) 8 703 401 109 0 Wire harness 8 738 701 757 0 Printed circuit transceiver 8 708 300 123 0 Cable 8 704 401 244 0 Table 46 Table 46 830 ES 6 720 644 936 (2013/01)
  • Page 56: Protecting The Environment

    ▶ Define the temperature you want, in the appliance or with the remote control. This way you have the precise water flow needed (mixing cold water to regulate temperature will increase the water flow with consequent waste of water). 6 720 644 936 (2013/01) 830 ES...
  • Page 57: Limited Warranty For Bosch Therm And Greentherm Tankless Water Heaters | 57

    Water Heater. If This warranty provides labor costs, at BTC approved rates, for one (1) this action is not possible or you don't receive a response, contact Bosch year from the date of original installation, provided it is installed and Thermotechnology Corp., 50 Wentworth Avenue, Londonderry, NH...
  • Page 58: Installer Checklist To Be Completed By Installer Upon Installation

    Table 47 1) See Chapter 4.14, page 31 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. 6 720 644 936 (2013/01) 830 ES...
  • Page 59 | 59 Notes 830 ES 6 720 644 936 (2013/01)

This manual is also suitable for:

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