Bosch Greentherm 9800 SECO 199 Скачать руководство пользователя страница 21 | Manualshive

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6 720 817 281 (2017/05)

Greentherm 9800 SEO 160/199 | SECO 199

Installation instructions | 21

6.4

Domestic hot water recirculation with
external pump

Direct recirculation through the tankless water heater is
permissible, however, the heat exchanger warranty is reduced;
see warranty at www.boschheatingandcooling.com.
The following drawings are provided to illustrate possible
recirculation designs. These schematics are for illustration only
and must not be used for actual Installation without
appropriate engineering and technical advice from a properly
licensed professional in the locality where the installation is
made.

This appliance has been designed to permit recirculation by
controlling an external pump. For this function, the external
pump must be electrically connected to the appliance - Bosch
cable accessory is available. All the features of recirculation
can be used with the Bosch remote control.

Fig. 15

Recirculation application with a dedicated return
line

[1] Cold water supply
[2] Check valve field supplied
[3] Circulator pump field supplied
[4] Expansion tank field supplied
[5] Circulator cable accessory
[6] PRV
[7] Shutoff valves field supplied
[8] Greentherm 9800 SEO / SECO

Fig. 16

Recirculation application using the cold water line
and cross-over valve

[1] Cold water supply
[2] Check valve field supplied
[3] Circulator pump field supplied
[4] Expansion tank field supplied
[5] Circulator cable accessory
[6] PRV
[7] Shutoff valves field supplied
[8] Greentherm 9800 SEO / SECO
[9] Cross-over valve, field supplied

6.4.1 Recirculation options

House Recirculation

This recirculation option uses the appliance's NTC sensor along
with the optional schedule to control the pump.

Tank loading

This recirculation option gives the option of using one of three
temperature sensors to control the recirculation option. The
scheduling option is not available for tank loading, except for
commercial models.

•

External NTC - 7 736 504 583

– Only compatible with Bosch cable/sensor accessory

(7736504583).

•

Aquastat - 7 736 504 584

– The aquastat connector kit (7736504584) must be

used to connect a field supplied aquastat to the
appliance.

Recirculation menus for Greentherm 9800
SE O are only available with the Bosch
remote control.

Recirculation application showed in fig. 16 is
for Greentherm 9800 SEO/SECO.
Models with build-in pump cannot be used.

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Содержание Greentherm 9800 SECO 199

Страница 1: ...hismanual Forassistanceoradditionalinforma tion consult a qualified installer service agency or the gas supplier 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 door if smell detected inside the house Do not try to light any appliance Do not touch a...

Страница 2: ...ply 25 7 2 Position of the fuses in control unit 26 8 Operating Instructions 27 8 1 Digital display description 27 8 2 For your safety read before operating your water heater 27 8 3 Switching the appliance on off 27 8 4 Temperature control 28 8 5 Programming the default setpoint temperature 29 9 Maintenance and service 29 9 1 Annual maintenance 29 9 2 Winterizing for seasonal use 30 9 3 Mineral sc...

Страница 3: ...missioning Do not install this device in confined spaces Function To ensure that the water heater functions properly follow these installation and maintenance instructions Never close the blow off line of the pressure safety valve For safety reasons water may escape during heating If you smell gas Turn off the gas shut off valve Open windows and doors if detected inside the house Do not try to lig...

Страница 4: ...e at the tap install a thermostatic DHW mixing valve Water heatedfor washingthe laundry dishes and for other cleaning purposes can cause scalding and permanent injuries Children elderly andhandicappedpersonsaremorelikely to be permanently injured by hot water Never leave such individuals in the tub or shower unattended under any circumstances Children must not be allowed to operate hot water fauce...

Страница 5: ... plumbing inspector on how to correct this situation Do not plug the relief valve WARNING Personal Injury from toxic chemicals Toxic chemicals such as those used for boilertreatment shallnotbeintroduced into the potable water used for space heating WARNING Personal Injury from toxic chemicals A water heater which will be used to supply potable water shall not be connected to any heating system or ...

Страница 6: ... pipes Note The freeze prevention kit is designed to provide protection for the water heater down to approximately 4 F for short term conditions only It will not protect the applianceinareaswherethetemperatureisroutinelyexpected to be below freezing Thefreezepreventionkitwillnotprotectplumbingoutsidethe appliance from freezing Precautions should be taken Accessories Bosch part Neutralizer Kit 7738...

Страница 7: ...000 2 6 9 000 2 6 Temperature Control4 Residential models Selection range F C 100 1205 38 49 100 1205 38 49 Commercial models Selection range F C 100 180 38 82 Default temperature F C 120 49 120 49 Temperature stability6 F C 2 1 2 1 Gas Requirement Gas connection inches Peak load inlet gas pressure7 Propane water column 8 13 8 13 Natural Gas water column 3 5 10 5 3 5 10 5 Water Top hot water conne...

Страница 8: ...flowarebaseduponsettingtheunittohighertemperaturesandthenmixingdownusingcoldwateraftertheunit toreach these flow rates 2 Input rating is based on sea level operation and need not be changed for operation up to 2000 ft 610 m elevation For operationatelevationsabove2000ft 610m inputratingisautomaticallyreducedattherateof4percent US or10percent Canada for each 1000 ft 305 m above sea level 3 When con...

Страница 9: ... not approved or designed for Manufactured mobile homes boats or any mobile installation Modular homes are acceptable for installation Use above 10500 ft A S L altitude Applications where inlet water temperature is higher than 140 F 60 C for Residential appliances or 180 F 82 C for Commercial appliances In these applications a 3 way valve or thermostatic mixing valve must be installed before the a...

Страница 10: ...manual gas shutoff valve not supplied with heater during any pressure testing at pressures in excess of Psig 3 5 kPa 5 Keepwaterheaterareaclearandfreefromcombustibles and flammable liquids Do not locate the heater over any material which might burn 6 Correctgaspressureiscriticalfortheproperoperation of this heater Gas piping must be sized to provide the required pressure at the maximum output of t...

Страница 11: ...6 720 817 281 2017 05 Greentherm 9800 SEO 160 199 SECO 199 Appliance details 11 3 5 Dimensions and minimum installation clearances Fig 4 Dimensions ...

Страница 12: ...side temperatures is below 32 F 0 C water pipes should be properly insulated to maintain water temperature and prevent freezing DANGER The water heater must be installed by a qualified installer in accordance with these instructions If improperly installed a hazardousconditionsuchas explosion or carbon monoxide poisoning could result Bosch Thermotechnology Corp is not responsible for improperly in...

Страница 13: ...method of the mounting bracket will depend on the type of mounting surface Due to the varieties of building siding or surfacing the installer must decide on how best to support and level the heater on an outside wall It is recommended that horizontal or vertical support boards or plywood sheathing minimum first be attached to the wall surface The heater must be kept level on the wall surface Fig 6...

Страница 14: ... The appliances are supplied having been set in the factory for the values shown on the rating plate For any other adjustments see chapter 9 4 6 1 Natural gas 4 6 2 Liquid propane gas after gas conversion If gas conversion is needed Natural Gas to Liquid propane gas see section 10 13 O2 O2 6720817281 21 1V The appliances must not be operated if the dynamic gas pressure is less than 3 5 WC or great...

Страница 15: ... NFPA 54 In Canada The Installation must conform to CGA B149 INSTALLATION CODES and or local installation codes GAS CONNECTIONS Install a manual gas shut off valve on the gas supply line within easy reach of the appliance Install a union when connecting the gas supply Gas connection to the water heater is a NPT See chapter 6 1 1 for the minimum internal pipe diameter required Undersized flexible a...

Страница 16: ...he Greentherm 9800 SEO SECO 199 Measure the length of the gas supply line from the building s gas main to the heater and use the section 6 1 1 and 6 1 2 page 17 or the gas line manufacturer s sizing tables to determine the pipe diameter necessary Iftherearemoregasdrawingappliancesontheline sizethegaslineaccordingtothetotalmaximumamountofBTU draw input rating of for all appliances combined Note Und...

Страница 17: ...55 WC or 138 mbar and a pressure drop of 3 0 W C 7 5 mbar based on 0 60 specific gravity gas Maximum pipe capacity in cubic feet of Natural Gas per hour for gas pressures of 2 0 psig 55 WC or 138 mbar and a pressure drop of 3 0 W C 7 5 mbar based on 0 60 specific gravity gas EHD EquivalentHydraulicDiameter Thegreaterthevalueof EHD the greater the gas capacity of the tubing Initial Supply Pressure ...

Страница 18: ...binginThousandsofBTU hrofUndilutedLiquefied Petroleum Gases at 11 inches Water Column Inlet Pressure Based on a Pressure Drop of 0 5 Inch Water Column Source National Fuel Gas Code NFPA 54 ANSI Z223 1 No Additional Allowance is necessary for an ordinary number of fittings Pipe Sizing Between Single or Second Stage Low Pressure Regulator and Appliance Nominal Iron Pipe inches Internal Diameter inch...

Страница 19: ... are not suitable for connecting directly to or within an 18 pipe run of the water heater Although water piping throughout the building may be other than copper we recommend that copper or suitably rated stainless steel flex line be used for the water connections for 1 5 on either side of the water heater follow local codes if more stringent Description Max Levels pH pH 6 5 8 5 TDS total Dissolved...

Страница 20: ...k the lowest pressure range setting recommended is 30 psi 2 06 bar Proper insulation material should be used in places prone to freezing conditions Connecting the pressure relief valve PRV A pressure relief valve must be installed at the time of installation No valve is to be placed between the PRV and the heater No reducing coupling or other restriction may be installed in the discharge line The ...

Страница 21: ...Expansion tank field supplied 5 Circulator cable accessory 6 PRV 7 Shutoff valves field supplied 8 Greentherm 9800 SEO SECO Fig 16 Recirculation application using the cold water line and cross over valve 1 Cold water supply 2 Check valve field supplied 3 Circulator pump field supplied 4 Expansion tank field supplied 5 Circulator cable accessory 6 PRV 7 Shutoff valves field supplied 8 Greentherm 98...

Страница 22: ...ating only applications closed loop setup Bosch supports applicationsofcombinationDHWandspaceheatinginanopen loop configuration if plumbed similar to fig 17 Please see warranty document for additional details CAUTION If the set point temperature is above 120 F precautions should be taken to protect users of potable water from scalding For external pump sizing please refer to the pressure drop curv...

Страница 23: ...ank as required 7 Air purge field supplied 8 Cold water supply 9 Check valve field supplied 10 Thermostatic mixing valve field supplied 11 Thermometer optional field supplied 12 DHW outlet 13 Thermostat only valid if air handler includes a internal pump field supplied 14 Air handler 15 Shutoff valve 16 Circulation pump only required if air handler doesn t includes internal pump field supplied 17 C...

Страница 24: ...6 720 817 281 2017 05 Greentherm 9800 SEO 160 199 SECO 199 24 Installation instructions Fig 18 Pressure drop curve ...

Страница 25: ...en more hot water fixtures to allow sufficient flow and access to P1 Record the lowest operating gas pressure reading in table 12 Turn OFF the appliance Shut off gas supply Disconnect the manometer tube from the test point Tighten the screw inside test point fitting Gas pressures lower than 3 5 W C for Natural Gas or 8 W C for LPG may result in reduced power output Fig 19 Gas pressure test port 1 ...

Страница 26: ... two phillips head screws securing the control unit Disconnect all the cables from the control unit Press the four snaps of the control unit and remove the cover Fig 21 Control Unit Pressthefour snaps inside thecontrolunitand remove the PCB Check the fuse on the printed circuit board for electrical continuity see fig 22 1 Fig 22 Fuse position 1 Fuse After checking the fuse reinstall all parts in r...

Страница 27: ...ding 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 B Never use tools close the gas supply and call a qualified service technician Forceful repair may result in a fire or explosion C Do not use this appliance if any part has been under water Immediately call a qualified service technic...

Страница 28: ...se of this type of temperature overshoot To combat this symptom clean fixtures or replace with higher flowing ones if necessary The water heater will not ignite if inlet water temperature exceeds the set point temperature minus 1 F 0 5 C In this condition the solar mode indicator will show on the display If the appliance does not ignite this means that the desired set temperature would be exceeded...

Страница 29: ... flamesmaybean indication of poor ventilation or combustion air intake Inspect combustion air openings for blockage or debris DANGER Always shut off the electrical power supply shut off the manual gas valve and shut off the water valves whenever servicing DANGER Replacealldismantledjointsando rings with new ones 6720806146 05 1V NOTICE Inspect and clean the complete water heating system once a yea...

Страница 30: ...ect the inlet and outlet water pipes from the water heater Place a small bucket underneath the water heater to catch residual water remaining inside the water heater 6 Using an air compressor blow short bursts of air 100psi max through the inlet water connection until there is no water present coming through the outlet water connection of the heater 7 Empty condensate trap 8 Reconnect water fittin...

Страница 31: ...ually increase water flow hotwaterdemand throughtheheatertodetermineif the heater activates with higher flow 5 Cleantheinletwaterfilterscreenperchapter6 3 page19 6 Inspect the water path for obstructions Make sure all shower heads faucet aerators and whole house filters are clear of debris 7 Check fora plumbing crossover A crossoverin the hotand cold plumbing pipes creates back pressure on the wat...

Страница 32: ...ectedtemperatureontheunitissettoohighforthe demanded flow rate the water heater will close its motorized water valve reducing the hot water flow rate in an attempt to reach the selected output temperature Loweringtheselectedtemperaturewillallowthemotorized water valve to open up for increased water flow rate 4 Cleantheinletwaterfilterscreenperchapter9 1 page29 5 Inspect the water path for obstruct...

Страница 33: ...tment as described in section 10 11 10 9 Error codes EA and or EC EA and EC errors can appear if combustion is not properly set This could be caused by improper gas supply conditions gas pressure and or gas composition 1 Verify if correct gas type is selected see section 10 13 2 Verify is gas pressure is within specified range see section 3 2 Ifgastypeisproperlyselected gaspressureiswithinrange an...

Страница 34: ...2 measuring port Use a properly calibrated CO2 analyzer when making the following adjustments 10 11 2Adjusting the maximum flow Parameter P1 Press the button to turn ON Press and hold simultaneously buttons and for 3 seconds until display reads P2 Fig 30 Press to enter P2 adjustment The current setting will appear on the display factory default Press or until P1 appears Turn on high volume of hot ...

Страница 35: ...rts blinking as sign of confirmation Press button to finnish the L2 gas adjust U2 Press or until P2 appears Press the button Display with indication E Press the button until the display shows A2 Press The appliance is now in the position for adjustment of the maximum air flow Press the buttons or until the CO2 analyzer shows the value indicated in tab 17 Press the button for 3 seconds The value fl...

Страница 36: ... SE SEC O 199 000 BTU Nat Gas max input P1 8 5 8 9 250 ppm min input P2 2 3 2 5 30 ppm LP Gas max input P1 9 8 10 2 250 ppm min input P2 2 8 3 0 30 ppm Values above are for climate controlled conditions Inputs such as gas pressure heating value of the gas humidity and temperature of combustion air all impact CO and CO2 values Changes in these inputs can result in different CO and CO2 values on the...

Страница 37: ...djustments Access service mode by pressing and hold down at the same time and for 3 seconds Display with indication P2 Press buttons or until the display shows P7 Press Press buttons or and select the gas type according to table 19 Update TYPE OF GAS in the rating plate of the appliance using the label provided with the gas conversion kit After changing the type of gas proceed with the adjusting m...

Страница 38: ... in the tank pocket Verify if correct recirculation settings are in use section 6 4 1 Replace the sensor and or wire connections if the problem persists 1 A3 Exhaust temperature sensor fault 15 Check sensor wire connections 1 2 Replace the sensor and or wire connections if the problem persists 1 A4 Air temperature sensor 18 disconnected or damaged Check sensor wire connections 1 2 Replace the sens...

Страница 39: ...ion 10 11 1 C3 Flow sensor 14 does not detect water recirculation Check pump and connections 1 Check recirculation circuit for any blockage C5 Bypass water valve 8 disconnected or damaged Check bypass water valve wire connections 1 If the problem persists Replace the bypass water valve and or wire connections 1 C7 Fan 2 disconnected or damaged Check fan wire connections Reset error press and hold ...

Страница 40: ... temperature instabilities E3 Flue gases temperature above 194 F or 2 minutes above 145 F Appliance burner cut off to prevent overheating Descale appliance section 9 3 1 Reset error press and hold on off button for 3 seconds If the problem persists Check sensor resistance 15 section 13 and replace the sensor if it is not according to specification 1 2 E4 Air temperature inside cabinet above 176 F ...

Страница 41: ...ts Replace electronic control unit 1 F3 Electronic control unit internal error Reset error press and hold on off button for 3 seconds If the problem persists Replace electronic control unit 1 F7 Electronic control unit internal error Reset error press and hold on off button for 3 seconds If the problem persists Replace electronic control unit 1 F8 Electronic control unit internal error Reset error...

Страница 42: ...gh pitch noise whistling Combustion flame with gas in excess or lack of air Check if gas type is correct section 3 3 1 Check gas inlet pressure section 6 6 1 Perform gas and air tuning section 10 11 1 Low pitch noise with vibration rumbling Combustion flame with air in excess or lack of gas Check if gas type is correct section 3 3 1 Check gas inlet pressure section 6 6 1 Perform gas and air tuning...

Страница 43: ...6 720 817 281 2017 05 Greentherm 9800 SEO 160 199 SECO 199 Electrical diagram 43 12 Electrical diagram Fig 34 Electrical diagram ...

Страница 44: ...er valve 9 Electrovalve 3 10 Electrovalve 1 11 Electrovalve 2 12 Gas valve safety solenoid 13 Thermal fuse 14 Water flow sensor 15 Flue dases temperature sensor 16 Condensing unit flue gases temperature sensor 17 Outlet hot water temperature sensor 18 Air temperature sensor 19 Heat exchanger hot water temperature sensor 20 Inlet cold water temperature sensor 21 External water temperature sensor Aq...

Страница 45: ...Back flow and exhaust gas NTC characteristic 40 22 4 14 32 50 68 86 104 122 140 158 176 194 40 30 20 10 0 10 20 30 40 50 60 70 80 90 100 110 120 212 230 248 0 1 1 100 RESISTANCE KOHM TEMPERATURE ºF ºC 6720816948 40 1V 10 40 4 32 68 104 140 176 212 284 320 392 428 464 40 20 0 20 40 60 80 100 140 160 200 220 240 248 120 356 180 0 01 0 1 1 10 100 RESISTANCE KOHM TEMPERATURE ºF ºC 6720816948 41 1V ...

Страница 46: ...am and parts list 14 Interior components diagram and parts list 14 1 Interior components Fig 37 Components 1 Air fan 2 Control unit 3 Gas manifold 4 Burner 5 Heat exchanger 6 Condensing unit 7 Water valve 8 By pass 9 Gas valve 10 Condensate trap 11 Ionization sensor 12 Ignition electrodes ...

Страница 47: ...6 720 817 281 2017 05 Greentherm 9800 SEO 160 199 SECO 199 Interior components diagram and parts list 47 Fig 38 Appliance overview ...

Страница 48: ...cled at the end of the productlife Contactyourcityauthoritiesforinformationabout the disposal of recyclable products Saving water resources Makesureyoucloseallthetapsafteranyuse Avoidleaving the taps dripping Repair any leaking tap 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 wi...

Страница 49: ...n the rating plate which is located on the right side of the appliance cabinet ___ ___ ___ ___ ___ ___ ___ ___ Gas Pressure Reading 2 2 See Chapter 6 6 page 25 and gas pressure table to be filled out by installer Static Dynamic Water Pressure Building Water Pressure Range if on Well system Installing Company Installer name Address Phone Table 21 Installation manual should be left with the owner af...

Страница 50: ...6 720 817 281 2017 05 Greentherm 9800 SEO 160 199 SECO 199 50 Notes ...

Страница 51: ...6 720 817 281 2017 05 Greentherm 9800 SEO 160 199 SECO 199 51 Notes ...

Страница 52: ......

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