Bosch Integra 500 Installation Manual Download Page 5

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6 720 680 226

Appliance details

2.2

Specifications (Technical data)

Approved in US/Canada

Capacity

Maximum flow rate: 8.0 GPM (30 l/min) at a 45°F
(25°C) rise.

Maximum output

179,300 Btu/h (52.5 kW)

Maximum input

195,000 Btu/h (57.1 kW)

Efficiency in %

Thermal efficiency > 92%

Minimum Input

19,900 Btu/h (5.8 kW)

Temperature Control

Selection range: 100°F (38°C) - 140°F (60°C)

Default temperature: 122°F (50°C)

Stability: +/- 2°F (+/- 1°C)

Gas Requirement

Gas connection (inches) - ¾”

Inlet gas pressure under operation (with a high hot
water flow rate)*

• Propane: 8” - 13” water column

• Natural Gas: 3.5” - 10.5” water column.

* To measure Gas Pressure, see Measuring Gas
Pressure, chapter 3.13, page 28.

Water

• Hot water connection (inches) - ¾”

• Cold water connection (inches) - ¾”

• Water valve material: Polymer (PPS) (Polypropylene

Sulfid)

• Minimum water flow: 0.65 gallon/minute (2.5 l/m)

Note: Activation varies with inlet water temperatures
from 0.65 - 1.6 gallon/minute (2.5 - 6.1 l/m).

• Minimum recommended water pressure: 30 PSI

(2.07 bar)

• Minimum well pressure 40 psi, see page 25.

• Connections:

– Bottom of heater

Combustion

• NOx

≤

14 Ng/J

(Nanograms of NOx (calculated as NO2) per

Joule of heat output).

• CO

≤

290 ppm (measured)

• CO

level set from factory, see chapter 6.5, page 36.

Dimensions

• Depth (in): 11¼” (286 mm)

• Width (in): 17

” (452 mm)

• Height (in): 30½” (775 mm)

• Weight: 74 pounds (33.5 kg).

Gas types

Natural Gas.
LP Gas.

Voltage

120 V AC (60 Hz) nominal

Amperage

Idle - 40 mA
Operation -

≤

2.5 A

Noise

45 - 65 db (A)

Safety devices

• Flame failure device (ionization flame rod sensor)

• Pressure relief valve (supplied with heater)

• Over heat prevention (temperature limiter)

• Inlet temperature sensor

• Outlet temperature sensor

• Back flow temperature sensor

• Exhaust gas temperature sensor.

Water protection

IP X4 (protection against water drops)

If appliance is installed at elevations above
2000ft, refer to Section 3.3.6 Fan speed
adjustment.

Summary of Contents for Integra 500

Page 1: ...use injury or property damage Refer to this manual For assistance 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...

Page 2: ...d before operating your water heater 31 5 3 Power 31 5 4 Temperature selection 31 5 5 Use of optional remote control accessory part no TSTAT2 32 5 6 Operation 32 5 7 Reset button 32 5 8 Program button 32 5 9 Locked condition 33 6 Maintenance and service 34 6 1 Annual maintenance 34 6 2 Winterizing for seasonal use 34 6 3 Mineral scale build up 35 6 4 Condensing heat exchanger unit 35 6 5 Adjusting...

Page 3: ...lure to do so could result in severe personal injury or death Warning The heater must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures equal to or more than 0 5 psig Warning The appliance should be located in an area where leakage of the heater or connections will not result in damage to the area adjacent to the appliance or to lower fl...

Page 4: ...ppliance TSTAT2 Cascading kit TLINK Outdoor kit BSHTOK External water filter part 8 703 305 356 Concentric termination kit 196016 Freeze prevention kit 7709003665 1 Exhaust Intake bird screen L2594 Condensate drain tee 196061 included with Con centric termination kit Warning If a relief valve discharges pe riodically this may be due to thermal ex pansion in a closed water supply system Contact the...

Page 5: ...2 5 l m Note Activation varies with inlet water temperatures from 0 65 1 6 gallon minute 2 5 6 1 l m Minimum recommended water pressure 30 PSI 2 07 bar Minimum well pressure 40 psi see page 25 Connections Bottom of heater Combustion NOx 14 Ng J Nanograms of NOx calculated as NO2 per Joule of heat output CO 290 ppm measured CO2 level set from factory see chapter 6 5 page 36 Dimensions Depth in 11 2...

Page 6: ...ide label Please complete and return the enclosed product registration card The water heater 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 18 Outdoor installation without installation of Outdoor kit PTOK Applications where inlet water temperature is higher than 140 F...

Page 7: ...r See chapter 3 3 page 9 on VENTING B 5 The appliance and its gas connection must be leak tested before placing the appliance in operation The appliance must be isolated from the gas supply piping system by closing its individual manual gas shutoff valve not supplied with heater during any pressure testing at pressures in excess of Psig 3 5 kPa B 6 Keep water heater area clear and free from combus...

Page 8: ...utton 2 Reset button 3 Program key 4 Power ON or stand by LED 5 LCD display 6 Up button 7 Down button Fig 7 Minimum clearances Note For servicing access a 2ft clearance is recommended to the front cover 6720608000 03 2AL 6 4 Model Integra 500 TOP A 12 FRONT B 1 BACK 0 SIDES 1 FLOOR C 12 Table 1 Minimum clearances ...

Page 9: ...g layout back to the heater Warning B Do not reduce the exhaust or combustion air vent pipe sizes B Do not common vent with any other vented appliance or stove B Do not use Type B vent as the actual exhuast vent system for the appliance Warning Failure to vent the exhaust gases to the outside see Table 2 for proper material may result in dangerous flue gases filling the structure in which it is in...

Page 10: ... be installed with separate air intake and exhaust piping see Fig 11 Fig 17 and Fig 18 page 16 Fig 8 Concentric vent kit example Item Material United States Canada Vent or air pipe and fitting PVC schedule 40 ANSI ASTM D1785 CSA or ULC certified only ULC S636 PVC DWV ANSI ASTM D2665 CPVC schedule 40 ANSI ASTM F441 ABS DWV schedule 40 ANSI ASTM D2661 Pipe cement primer PVC ANSI ASTM D2564 CPVC ANSI...

Page 11: ...e appropriate table to determine the maximum straight exhaust pipe length allowed Step 4 Total the number of 90 elbows and 45 elbows used on the combustion air piping Step 5 Use this value in the appropriate table to determine the maximum straight combustion air pipe length allowed Not allowed At least one 90º elbow required Not allowed Minimum of 3 feet 1m of straight pipe required Not allowed At...

Page 12: ...ventilated soffit F Clearance to outside corner G Clearance to inside corner H Clearance to each side of center line extended above meter regulator assembly 36 in within a height 15 feet above meter regulator assembly I Clearance to service regulator vent outlet 36 in J Clearance to non mechanical air supply inlet to building or the combustion air inlet to any other application 36 in 12 in K Clear...

Page 13: ...entilated soffit F Clearance to outside corner G Clearance to inside corner H Clearance to each side of center line extended above meter regulator assembly 36 in within a height 15 feet above meter regulator assembly I Clearance to service regulator vent outlet 36 in J Clearance to non mechanical air supply inlet to building or the combustion air inlet to any other application 36 in 4 feet below o...

Page 14: ...al venting system concentric vent Fig 13 Horizontal parallel venting system twin pipe direct vent Fig 14 Horizontal venting system single pipe pene tration Warning For non freezing climates only 6720608836 24 1Av 3 80mm INTAKE EXHAUST MAINTAIN 12 IN 18 IN FOR CANADA MINIMUM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL MAXIMUM OF 24 IN ABOVE ROOF DRAIN TEE INTAKE EXHAUST MINIMUM 1 EXHAUST COMBUST...

Page 15: ...h local codes Fig 17 Appliance drain installation i NOTE Vent pipe must be completely vertical when inserting or blue gasket inside exhaust accessory can become displaced Exhaust accessory can be removed with vent pipe attached to check gasket position i NOTE The combustion air accessory can be installed on the top right or on the top left side of the heater The combustion air inlet that is not us...

Page 16: ...lent vent length Use this value to determine the appropriate fan speed values found in table 12 and make any necessary adjustments After changing fan speed values proceed to section 6 5 to confirm CO2 values are within specifed ranges Total vent length calculation Note See table 5 for maximum vent lengths B Determine the total length of all straight sections of vent pipe and enter in table 10 line...

Page 17: ...y __ x 5 ____ 3 45 elbows qty __ x 3 ____ 4 Total ____ 5 Total equivalent vent length ____ Table 10Determining vent length combination see example in Table 11 Exhaust Straight section length feet 11 x 1 11 90 elbows qty 0 x 5 0 45 elbows qty 0 x 3 0 Total 11 Intake Straight section length feet 8 x 1 8 90 elbows qty 0 x 5 0 45 elbows qty 1 x 3 3 Total 11 Total equivalent vent length 22 Table 11 Det...

Page 18: ... or to choose the fan speed suitable with your installation see Table 12 B Press and hold 5 sec Program button until the display flashes then the selected value is memo rized Natural Gas Liquid propane Altitude above sea level Vent terminal Total equivalent vent length1 Minimum power fan speed P2 Maximum power fan speed P1 Maximum power fan speed P1 0 2000 ft 0 610 m Concentric 8 25 ft 12 No modif...

Page 19: ... minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall ...

Page 20: ...e 9950 cubic feet 281 8 cubic meters for the water heater alone b In unconfined spaces in buildings of conventional frame masonry or metal construction infiltration air is normally adequate to provide air for combustion Appliances located in confined spaces The confined space must be provided with two per manent openings one commencing within 12 inches 304 8mm of the top and one commencing within ...

Page 21: ...ust be kept level on the wall surface see Fig 22 page 22 B Hang the appliance on the bracket see Fig 23 page 23 Fig 21 Distance between support boards Warning The water in this water heater is cold and always remains cold except for the times the burner is on In the event of power outage in conjunction with freezing temperatures it is recommended that the heater be drained See chapter 6 2 page 34 ...

Page 22: ...uired for any appliance connector is see Fig 26 for more details on pipe sizing B Undersized flexible appliance connector not permit ted B National Fuel Gas Code requires that a sediment trap drip leg be installed on gas appliances not so equipped The drip leg must be accessible and not subject to freezing conditions Install in accordance with the recommendations of the serving gas supplier see Fi...

Page 23: ...acturer s sizing tables to determine the pipe diameter necessary If there are more gas drawing appliances on the line size the gas line according to the total maximum amount of BTU draw input rating of for all appliances combined Note Undersizing the gas line may result in diminished hot water flow rate and temperature See chapter 3 13 page 28 for the procedure to measure gas pressure Proper gas p...

Page 24: ...h of Black iron Pipe Feet Pipe Internal Size Diameter inches inches 10 20 30 40 50 60 70 80 90 100 125 150 175 200 1 4 0 364 32 22 18 15 14 12 11 11 10 9 8 8 7 6 3 8 0 493 72 49 40 34 30 27 25 23 22 21 18 17 15 14 1 2 0 622 132 92 73 63 56 50 46 43 40 38 34 31 28 26 3 4 0 824 278 190 152 130 115 105 96 90 84 79 72 64 59 55 1 1 049 520 350 285 245 215 195 180 170 160 150 130 120 110 100 1 1 4 1 380...

Page 25: ...oose particles or dirt in the piping Blow out or flush the lines before connecting to the water heater B Full port shutoff valves should be installed on both the cold water supply and hot water outlet lines to facilitate servicing the heater see Fig 28 B For installation on a private well system with the use of a pressure tank the lowest pressure range setting recommended is 40 60 psi 2 75 4 15bar...

Page 26: ...as shown in Fig 29 By using the design in Fig 29 there is no recirculation of hot water through the tankless water heater and therefore does not affect the heat exchanger warranty Direct recirculation through the tankless water heater is permissible however the heat exchanger warranty is reduced contact Bosch Thermotechnology for further installation requirements The following drawing is provided ...

Page 27: ...5 page 6 B Remove the clip and disconnect the drain tube see Fig 31 Fig 31 Disconnect drain tube B Fill the condensate trap by pouring approx 14 oz 400ml of water into the top of the drain tube To avoid damage to the appliance use a funnel in this operation see Fig 32 page 27 Fig 32 Filling the condensate trap after installation B Loosen the three screws of the control unit Fig 33 B Put the contro...

Page 28: ...n on high volume of hot water flow at least 6 gpm and burner will light If heater display reverts to P2 open more hot water fixtures to allow sufficient flow Press until P1 reappears on the display B Record lowest operating gas pressure reading in table 15 Gas pressures lower than 3 5 W C for Natural Gas or 8 W C for LPG will result in insufficient degree rise to the hot water being used reduced h...

Page 29: ...e three screws from the control unit Fig 38 B Remove the six screws from the back cover of the control unit see Fig 39 pos 2 B Check the fuses in the printed circuit board see Fig 39 pos 3 Fig 39 Fuses position B After checking the fuses reinstall all parts in reverse order Warning For safety reasons disconnect the power supply cord to the heater before any service or testing is performed Warning ...

Page 30: ...stand by LED 5 1 Description LCD Display Fig 41 Power bar indicator input Fig 42 Temperature indicator Fig 43 Error indicator Fig 44 Locked condition indicator only with remote control Fig 45 Flame indicator Fig 46 Solar mode indicator see chapter 5 4 page 31 Fig 47 Remote control indicator Warning Do not use any cleaning agressive or corrosive agents to clean the window ...

Page 31: ...48 Off B To shut down the appliance press the On Off button again 5 4 Temperature selection To select hot water temperature B Press buttons or in order to reach desired temperature Fig 49 Setting the water temperature The desired temperature of the hot water can be adjusted on the front control panel of the heater The water heater has an electronically controlled gas valve that modulates the burne...

Page 32: ...ig 52 B LCD flashes until selected temperature is reached B Power bar indicates power percentage in use 5 7 Reset button If the LCD shows the error symbol do not shut off power or unplug the heater Follow instructions below to reset error first Record the error code on LCD and consult Problem solving section 8 1 page 43 Fig 53 After following instructions indicated in Troubleshooting section B pre...

Page 33: ...morized temperature B Press Program key LCD shows pre memorized temperature which is now the hot water selected temperature 5 9 Locked condition This condition is only valid for appliances with one or more remote controls installed Fig 56 Locked condition Whenever LCD shows the temperature setting cannot be adjusted because the appliance is in use by a user which already selected a different tempe...

Page 34: ...er Descaling In areas where the water supply has a high mineral content the heat exchanger should be flushed with a descaling solution Scale build up will shorten the life of the water heater and damage resulting from scale is not covered under warranty Refer to section 6 3 for detailed instructions on descaling the heat exchanger Fin Coils Inspect heat exchanger fincoil for soot build up or block...

Page 35: ...y to the water heater using installer supplied shutoff valve 3 Open hot water taps to drain and relieve pressure from the plumbing system 4 Drain water from the unit s heat exchanger by disconnecting inlet and outlet water connections from the heater 5 Connect a line A from the outlet of the circulating pump installer supplied to the inlet water fitting on the water heater see Fig 58 6 Using anoth...

Page 36: ...adjusting CO2 until pressure is at or above these levels but not to exceed 10 5 WC for Natural Gas and 13 WC for Propane A Once Gas Pressure is adequate B Press ON OFF button to turn OFF the heater B Remove brass flat head screw on the exhaust collar as seen in Fig 61 B Insert CO2 analyzer probe into the measuring port The tip of the probe should be in the center of the flue pipe approx 1 5 insert...

Page 37: ...eadings in P2 mode 2 If P2 CO2 level is off B Remove yellow painted 40 Torx cover from the front of the gas valve Fig 64 A plastic 40 Torx screw will be revealed B Turning the plastic 40 Torx screw counter clockwise will lower P2 CO2 levels and clockwise will raise P2 CO2 levels Note This screw adjustment is very sensitive and should be made in small increments It may take several minutes for read...

Page 38: ...mment P1 Maximum Power NG 51 LP 51 21 NG 53 LP 53 see chapter 3 13 page 28 note reducing P1 values below maximum will reduce maximum power of the appliance P2 Minimum Power 12 12 20 see chapter 3 3 6 page 16 P3 Remote Controls installed _0 _0 6 see chapter 5 5 page 32 P4 Access to Diagnostic Mode E 0d 10f see chapter 6 7 page 39 P5 Cascade Mode NO NO CC contact Bosch for details P6 Temperature Uni...

Page 39: ...the flow rate in gallons per minute while the unit is flowing water cycle to the 3d mode and press the button A reading of 25 on the dis play would indicate the heater is reading a flow rate of 2 5 gallons minute 8 Once the information is obtained press the but ton again to return to the diagnostic mode menu and scroll to addition diagnostic information 9 Press ON OFF button to turn OFF the applia...

Page 40: ...ommon causes of plumbing crossovers 8 With the power button pressed switch turned to OFF and the power supply cord unplugged remove the unit s front cover See Page 6 Fig 3 Check wire connections between the water valve control unit and electrode set See chapter 12 2 page 53 for location of these parts 9 Water heater in solar mode If inlet water temperatures exceed the water heater s set temperatur...

Page 41: ...off the burners The end result is nothing but cold water coming out of the outlet Consult www boschpro com for a detailed service bulletin on overcoming temperature fluctuations 2 Unbalanced pressure in water lines Any restriction in the water heater such as a clogged inlet filter screen can result in unequal pressures between the cold and hot water lines In such cases when mixing in the higher pr...

Page 42: ...e the fuel to air mixture CO2 to be out of adjustment This will result in unstable burner flames and noise Ensure gas pressure is in accordance with specifications in Section 3 13 page 28 Measuring Gas Pressure A gas pressure reading is needed to proceed further Contact your original installer or a local certified gas technician to obtain this reading 6 Verify proper CO2 readings per chapter 6 5 p...

Page 43: ...1 Check backflow temperature sensor connection See Fig 70 1 page 51 2 Replace exhaust temperature sensor 3 Check sensor ref page 48 chapter 10 Outlet temperature sensor fault Temperature below 36 F or above 210 F 1 Check red wire connections at hot water temperature sensor Clean terminals with an eraser If badly corroded replace sensor and wire harness See Fig 65 page 47 2 Sensor may trip if water...

Page 44: ...ol unit call Bosch Water Heating for further instructions Flashing Water flow signal over specified maximum value Water flow 10 gallon min Status message 1 Disconnect power supply cord and check wire connections on water valve and the two connectors on the control board see Fig 77 page 59 2 Excessive water pressure and flow Ensure water pressure is less than 150psi and flow rate is below 10 gallon...

Page 45: ...r has a high mineral content periodic descaling may necessary see chapter 6 3 page 35 5 Unplug power supply cord to the water heater Open a hot water tap for several minutes to allow cold water to pass through heat exchanger Close hot water tap and disconnect lead wires to overheat sensor Using a multimeter check continuity through overheat sensor contacts Replace sensor if open No flame ionizatio...

Page 46: ...setting error code Use the reset button to reset any error codes 3 Possible defective control unit call Bosch Water Heating for further instructions Ionization error at standby 1 Loose connection to the flame ionization rod Verify that the thinner wire leading from the control unit is securely connected to the set of electrodes located on the lower front of the heat exchanger 2 Flame ionization ro...

Page 47: ...or 8 Flue gas limiter 9 Heat exchanger overheat sensor ECO 10 Gas valve 11 Exhaust temperature sensor 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 20 1 16 1 JP5 JP6 JP7 JP8 JP2 M PS M M E FS T 104 C T 220 F T 90 C T 194 F Casc input Casc output 2 1 4 5 6 7 9 10 11 12 ...

Page 48: ... 29 30 31 32 33 34 35 36 37 Resistance Kohm Temp ºF 0 5 10 15 2 0 2 5 3 0 3 5 4 0 4 5 50 55 6 0 6 5 70 75 8 0 8 5 9 0 9 5 10 0 10 5 110 Temp ºC Inlet NTC characteristics 3 2 3 7 4 2 4 7 52 57 6 2 6 7 72 77 8 2 8 7 9 2 9 7 10 2 10 7 112 117 12 2 12 7 13 2 13 7 14 2 14 7 152 157 16 2 16 7 172 177 18 2 18 7 19 2 19 7 2 0 2 2 0 7 2 12 2 17 2 2 2 2 2 7 2 3 2 2 3 7 2 4 2 2 4 7 0 1 2 3 4 5 6 7 8 9 10 11 ...

Page 49: ... 17 2 17 7 18 2 18 7 19 2 19 7 2 0 2 2 0 7 2 12 2 17 2 2 2 2 2 7 2 3 2 2 3 7 2 4 2 2 4 7 2 5 2 2 5 7 2 6 2 2 6 7 2 7 2 2 7 7 2 8 2 2 8 7 2 9 2 2 9 7 3 0 2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Resistance Kohm Temp ºF 0 5 10 15 2 0 2 5 3 0 3 5 4 0 4 5 50 55 6 0 6 5 70 75 8 0 8 5 9 0 9 5 10 0 10 5 110 115 12 0 12 5 13 0 13 5 14 0 14 5...

Page 50: ...6 720 680 226 50 Integra 500 Functional scheme 11 Integra 500 Functional scheme Fig 69 Functional scheme ...

Page 51: ...tion sensor 5 Primary fan Mixer 6 Hot water temperature sensor 7 LCD display 8 On Off button 9 Reset button 10 Program key 11 Flue gas limiter 12 Heat exchanger overheat sensor ECO 13 Ignition electrodes 14 Observation window 15 Backflow temperature sensor 16 Secondary air fan 17 Gas valve 18 Condensate trap 19 Water valve with flow sensor and cold water temperature sensor 20 Control unit 21 Up bu...

Page 52: ...6 720 680 226 52 Interior components diagram and parts list Fig 71 Appliance overview 6720680226 01 1Av ...

Page 53: ...0 4 Cover screw 8 703 401 170 5 Combustion cover 8 700 506 300 6 Combustion cover gasket 8 704 701 084 7 Observation window 8 705 600 003 8 Holding bracket 8 708 104 103 9 Screw 8 703 403 012 Table 21 10 Combustion cover clip 8 701 201 032 11 Grommet set 8 710 203 039 12 Exhaust accessory 8 705 504 152 13 Gasket exhaust 8 700 103 710 14 Inlet air cover 8 708 006 022 15 Inlet air gasket 8 700 103 1...

Page 54: ...ior components diagram and parts list 12 2 2 Group 2 Fig 73 Components Diagram 12 30 25 13 15 20 1 4 5 6 7 3 2 8 9 10 8 8 11 11 8 12 14 21 22 13 18 17 16 16 13 19 17 23 24 27 28 28 28 29 31 32 33 35 26 6720902980 AA JF 34 13 ...

Page 55: ...705 700 161 15 Condensing exchanger left side 8 705 700 162 16 Condensing exchanger side gasket 8 704 701 091 17 Allen screw 2 918 060 162 18 Condensing exchanger right side 8 705 700 163 19 Screw 2 910 611 496 20 Fincoil O ring 8 700 205 226 21 Condensing fincoil 8 700 715 402 22 O ring 8 700 205 228 23 Condensate drain connector 8 705 506 838 24 Condensate drain connector gasket 8 704 701 092 25...

Page 56: ...er gasket 8 704 701 087 3 Primary fan 8 707 204 071 4 Backflow temperature sensor 8 707 206 459 5 Washer 8 704 701 097 6 Fan mount nut 2 915 011 006 7 Secondary fan 8 707 204 074 8 Screw 8 703 403 012 Table 23 9 Gas Air Mixer 8 705 700 170 11 Venturi 8 700 306 226 12 O ring 8 700 205 224 13 Mixer Fan gasket 8 704 701 059 14 Screw 2 910 642 150 15 Plate gasket 8 701 004 049 16 Air supply duct 8 705...

Page 57: ...tapping 8 703 404 219 3 Washer 8 700 203 041 4 Pressure balance tube 8 700 703 136 5 Pressure balance nut 8 703 300 041 6 Gas supply pipe 8 700 715 389 7 Gas valve washer 8 700 103 014 Table 24 8 Gas filter 8 700 507 002 9 Gasket 8 704 701 085 10 Gas Fan connector 8 705 202 140 11 Washer 8 704 701 062 12 Regulation screw 8 703 404 220 13 O ring 8 700 205 009 14 Screw 2 910 149 181 Item Description...

Page 58: ...700 715 394 4 Pipe connection clip 8 701 201 028 5 Hot water pipe 8 700 715 469 6 Temperature sensor 8 700 400 015 7 Outlet fitting 8 703 305 349 8 Inlet Outlet washer 8 710 103 045 9 Wireform spring 8 701 300 025 Table 25 10 Inlet fitting with filter 8 703 305 356 11 O ring 8 700 205 157 12 Watervalve clip 8 716 102 607 13 Water filter 8 700 507 059 14 Washer 8 700 103 764 15 O ring 8 700 205 231...

Page 59: ...upply cables 8 704 401 371 5 Power supply cord 8 704 401 378 6 Fan cables 8 704 401 347 7 Wire harness 8 704 401 348 9 Electrode cables 8 704 401 346 Table 26 10 Flue gas limiter 8 700 400 032 11 Cascading kit optional TLINK 12 Freeze prevention kit 7 709 003 665 13 Remote control TSTAT2 14 Shaped seal 8 700 201 012 15 Screw 8 703 401 109 16 Printed circuit transciever 8 708 300 123 Item Descripti...

Page 60: ...fe Contact your city authorities for information about the disposal of recyclable products Saving water resources B Make sure you close all the taps after any use Avoid leaving the taps dripping Repair any leaking tap B 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 ...

Page 61: ...ized unsoftened water supply All Other Parts If any other part fails within five 5 years after original installation and operation Bosch Thermotechnology Corp will furnish a replacement part free of charge Service Labor Costs This warranty does not cover any labor costs associated with service removal or re installation of part s All such costs must be borne by the Purchaser Additionally this warr...

Page 62: ...6 720 680 226 62 Limited Warranty ...

Page 63: ...6 720 680 226 Limited Warranty 63 ...

Page 64: ...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 _______________________________________...

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