Bosch 660 EF User Manual Download Page 52

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Replacement Parts available from:

Bosch Termotecnologia SA

Estrada de Cacia

3801 - 856 Aveiro - PORTUGAL

BOSCH THERMOTECHNOLOGY
CORP.

50 Wentworth Avenue
Londonderry, NH 03053 USA
Tel. 866-330-2730
www.boschpro.com

Installer Checklist to be completed by installer upon installation

Serial Number

___ ___ ___ ___ ___ ___ ___ ___

(8 digit serial number 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

_____________________________________________

Installation manual should be left with the owner after the installation is tested and completed

Summary of Contents for 660 EF

Page 1: ...s in the vicinity of this or any other appliance Improper installation adjustment alteration service or maintenance can cause 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 o...

Page 2: ... 28 4 2 Remote Controller 29 4 3 Remote Controller Installation Guide 30 5 Operation instructions 33 5 1 Trial Operation 33 5 2 Initial Operation 33 5 3 How to Use Not using the remote controller 34 5 4 How to Use Using the remote controller 35 6 Maintenance and service 37 6 1 Regular Maintenance 37 6 2 Preventing Damage from Freezing 38 7 Troubleshooting 40 7 1 Initial Operation 40 7 2 Temperatur...

Page 3: ...e properly in accordance with this Installation Manual upon completion After completing installation please either place this Installation Manual in a plastic pouch and attach it to the side of the water heater or the inside of the pipe cover or recess box if applicable or hand it to the customer to retain for future reference Fig 1 This is the safety alert symbol It is used to alert you to potent...

Page 4: ... heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone inyour building Immediately call your gas supplier from a neighbor s phone Follow the gas sup plier s instructions If you cannot reach your gas supplier call the fire department Warning Use only your hand to turn the gas valve knob Nev...

Page 5: ...isoning Hazard Do not install this water heater in a mo bile home recreation vehicle or on a boat Warning 660 EFO only Carbon Monoxide Poisoning Hazard Do not install this water heater in a rec reation vehicle or on a boat Warning Do not store or use gasoline or other flammable vapors and liquids in the vi cinity of this or any other appliance Warning Do not place or use a spray can near the heate...

Page 6: ...d power cord Do not bind bend or stretch pow er cords Do not scratch modify or subject them to impact or force Caution To prevent burns or scalding turn off the power button or power supply and wait until the equipment cools before performing maintenance Caution Do not turn off the water heater while someone is bathing Caution Do not cover the water heater and the exhaust vent terminal store trash...

Page 7: ...00 ft above sea level For installations at higher elevations contact Bosch Thermotechnology Corp for Instructions Caution Do not disassemble the remote control ler Do not use benzene oil or fat deter gents to clean the remote controller This may cause deformation Do not get the remote controller wet Although it is water resistant too much water can cause damage Do not splash water on the remote co...

Page 8: ...Supply Consumption Freeze Prevention 141W Water Hot water connection inches Cold water connection inches Minimum water flow 0 5 gallon minute 2 l m Note The capacity may differ slightly depending on the water pressure water supply piping conditions and water temperature Water pressure recommend 29 to 70 psi Connections Bottom of heater Dimensions Depth in 6 7 170 mm Width in 13 8 350 mm Height in ...

Page 9: ...eme Caution if Us ing With a Solar Pre Heater Using this unit with a solar pre heater can lead to unpredictable output tem peratures and possibly scalding If abso lutely necessary use mixing valves to ensure output temperatures do not get to scalding levels Caution Do Not Use Equipment for Purposes Other Than Those Specified Do not use for other than increasing the temperature of the water supply ...

Page 10: ...6 720 644 063 10 Appliance details 2 4 Dimensions 660 EF Fig 4 Dimensions 2 5 Dimensions 660 EFO Fig 5 Dimensions ...

Page 11: ...termina tion is not blocked in any way Steam or condensed water may come out from the vent termination Select the location for the termina tion so as to prevent injury or property damage If snow is expected to accumulate take care the end of the pipe is not covered with snow or hit by falling lumps of snow Consult the vent pipe manufacturer s installation instructions for chimney connections Appli...

Page 12: ...f any appliance and 3 0 9m from any other building opening gas utility meter service regulator etc Enclose exterior vent systems below the roofline to limit condensation and protect against mechanical failure When the vent penetrates a floor or ceiling and is not running in a fire rated shaft a firestop and support is required When the vent termination is located not less than 8 2 4m from a vertic...

Page 13: ...ructions 13 Clearance Requirements from Vent Terminations to Building Openings All clearance requirements are in accordance with ANSI Z21 10 3 and the National Fuel Gas Code ANSI Z223 1 and in Canada in accordance with NSCNGPIC Fig 8 ...

Page 14: ...ets 6 1 8m These clearance require ments hold true for all of the above situations Indoor Outdoor Clearances to Opening into any Building For 660 EFO appliance Maintain the following clearances to any opening in any building 1 0 3m below 1 0 3m horizontally from or 1 0 3m above any door operable window or gravity air inlet into any building 3 0 9m above any forced air inlet within 10 3m Fig 10 Ven...

Page 15: ...CNGPIC Provide two permanent openings to allow circulation of combustion air Make each opening 180 square inches if they pro vide indoor air and 100 square inches for outdoor air If the unit is installed in a mechanical closet provide a 24 600mm clearance in front of the unit to the door If combustion air will be provided through a duct size the duct to provide 60 cubic feet of fresh air per minut...

Page 16: ... 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 17: ...ir spray or spray detergent are used Ignition failures and malfunction may occur as a result Warning 660 EF only Carbon Monoxide Poisoning Hazard Do not install this water heater in amo bile home recreation vehicle or on a boat Warning 660 EFO only Carbon Monoxide Poisoning Hazard Do not install this water heater in a rec reational vehicle or on a boat Caution Install the water heater in a locatio...

Page 18: ...tate maintenance and service if neces sary If possible leave 3 75mm or more above and below the vent pipe to facilitate inspection and repair if necessary Fig 16 Caution Make sure that the location allows installation of the exhaust vent as specified i State of California The water heater must be braced an chored or strapped to avoid moving dur ing an earthquake Contact local utilities for code re...

Page 19: ...on side corridor provide a clearance of 47 1175mm or more in front of the unit Set the bottom edge of the exhaust port about 84 2100mm from the corridor floor Fig 18 When installing the unit on a balcony etc secure an evacuation route of 24 600mm or more in width Provide clearance of 24 600mm or more in front of the unit to facilitate inspection and repair Do install the unit such as the wall of t...

Page 20: ...it is installed securely so that it will not fall or move due to vibrations or earthquakes 3 7 5 Installations at Elevations Above 2 000 610m If this water heater is being installed at an elevation of 2 000 610m or higher disconnect the connec tor labeled High Elevation Disconnect as illustrated on the right This connector is located inside the unit Disconnect power to the water heater before disc...

Page 21: ...es of input adjustment In order to choose the proper size for the gas line con sult local codes or the National Fuel Gas Code ANSI Z223 1 Gas Pressure Size the gas line according to total btuh demand of the building and length from the meter or regulator so that the following supply pressures are available even at maximum demand Natural Gas Supply Pressure Min 4 WC Max 10 5 WC LP Gas Supply Pressu...

Page 22: ...from the tap and connect a manometer using a silicon tube In order to check the gas manifold pressure a pair of taps are provided on the gas valve inside the unit The pressure can be checked either by removing the hex head philips screw and connecting a manometer with a silicon tube or by removing the 1 8 NPT screw with an allen wrench and connecting the appropriate pressure gauge Fig 23 ...

Page 23: ...6 720 644 063 Installation instructions 23 Gas Line Sizing For a BOSCH Gas Water Heater ...

Page 24: ... valve is not required but if one is used do not install the valve with the probe directly in the flow of water This may cause unwarranted discharge of the valve Piping and components connected to the water heater shall be suitable for use with potable water Toxic chemicals such as those used for boiler treatment shall not be introduced into the potable water A water heater used to supply potable ...

Page 25: ... EPA National Secondary Drinking WaterRegu lations 40 CFR Part 143 3 3 10 Water Treatment If this water heater will be installed in an application where the supply water is hard the water must be treated with either a water softener which removes the hardness or by using sequestering agents that reduce the amount of scale deposits Refer to the below tables for suggested treatment and maintenance m...

Page 26: ...htly Hard 1 3 gpg 17 51 mg L None None Moderately Hard 3 6 gpg 51 100 mg L Water Softener Suggested Once a Year2 2 Flushing is required if a water softener is not installed Hard 6 10 gpg 100 171 mg L Water Softener Suggested Twice a Year3 3 Flushing is required if a water softener is not installed Very hard 10 14 gpg 171 239 mg L Water Softener Softener Required Extremely Hard 14 gpg 239 mg L Wate...

Page 27: ...6 720 644 063 Installation instructions 27 3 11 Plumbing Applications Refer to section 11 for Limited Warranty Fig 25 Fig 26 ...

Page 28: ...ect electrical power to the unit until all electrical wiring has been completed Warning This appliance must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 In Canada the latest CSA C22 1 Electrical Code Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and d...

Page 29: ...n the remotecontroller 2 Disconnect electrical power to the water heater 3 Remove the front cover of the water heater 4 screws 4 Locate the bag of temperature selection wires attached to the inside of the unit in the bottom left corner 5 Connect the temperature selection wire labeled 160 F to the circuit board as shown on the right 6 Replace the front cover of the water heater 4 screws 7 Reconnect...

Page 30: ... Note Do not disassemble the remote controller Notes on the Installation Location The remote should be installed in an easily accessi ble location Avoid installing in a place where water or steam can come into contact with the controller Avoid locations where special chemical agents e g benzene fatty and oily detergents are used Avoid outdoor installation or installation in an indoor location wher...

Page 31: ...g 33 2 Drill a Ø1 1 4 Ø32mm hole in the wall where the remote controller will be installed Note Do not install the remote controller in a location that is exposed to moisture direct sunlight or chemical agents These can damage the remote controller 3 Insert the wall pipe containing the remote controller wires through the hole 4 Slide the junction box packing and the junction box over the remote co...

Page 32: ...6 720 644 063 32 Electrical Wiring Fig 36 Tie the redundant length of the remote controller cord outside the junction box 7 Close the junction box ...

Page 33: ...he gas control manual valve external to the unit clockwise to the off position 5 Wait five minutes to clear out any gas If the smell of gas remains stop and contact your gas supplier from a neighbor s phone 6 Turn the gas control manual valve counterclockwise to the on position 7 Turn on electric power to the unit 8 The unit will now operate whenever hot water is called for If the unit will not op...

Page 34: ... water 3 Mix for desired temperature 4 Turn off the hot water If you want to the temperature to be changed to 130 F 55 C or 140 F 60 C contact the installer or Bosch Warning Do not touch with wet hands i The electrical power does not need to be disconnected between uses Danger To prevent scalding Hot Water Heater temperatures over 125 F 52 C can cause severe burns instantly or death from scalding ...

Page 35: ...rical power is connected The temperature will be displayed on the remote control thermostat i The illustration below shows the remote controller display What is actually dis played depends on how the water heater is set USA REMOTE CONTROL PART N BRC01US CANADA REMOTE CONTROL PART N BRC01CA i Before use remove the protective sheet from the remote controller surface Danger To prevent scalding Hot Wa...

Page 36: ... If any hot water is being used besides what is going into the tub the alarm will sound before the tub is full If there was water in the tub before the fill began or if the water is not shut off manually when the alarm sounds the tub may overflow If there was water in the tub before the fill began the temperature in the tub after it is full maybe different from the temperature setting 5 4 2 Muting...

Page 37: ... Wipe the outside surface with a wet cloth then dry the surface Use a neutral detergent to clean any stains Remote Controller Wipe the surface with a wet cloth Do not use benzene oil or fatty detergents to clean the remote controller deformation may occur The remote controller is water resistant but not water proof Keep it as dry as possible Water Drain Valve with Water Filter If the water drain v...

Page 38: ...this plumbing with insulation heat tape or electric heaters solenoids or pipe covers If there remains a freezing risk contact the nearest Bosch agent Take the measures below for extremely cold tem peratures Only using the remote controller Outside temperature including wind chill factor less than 5 F 21 C indoor installation or 4 F 20 C outdoor installation This method can protect not only to the ...

Page 39: ...he power supply after 20 seconds or more pass from operation of 2 Do not touch with wet hands Using the remote controller Turn off the power supply Do not touch with wet hands 4 Close the water supply valve 5 Fully open all hot water fixtures 6 Turn the drain plug to the left to open and then remove 7 Check that the water is completely drained close all the drain plugs and the hot water fixtures a...

Page 40: ...ch as stoves be used Is the water drain valve filter clogged Using the remote controller Is the power button turned on No water is available when a fixture is opened Is the water supply cut off Is the heater frozen The hot water is not the correct temperature Is the hot water fixture sufficiently open Using the remote controller Water takes time to become hot when turning the hot water fixture Hav...

Page 41: ...xture is not constant When hot water is demanded at other fixtures the amount available may be reduced The maximum flow available from the 660 EF 660 EFO is 5 3 GPM 20 0L min at a 45 F 25 C temperature rise Pressure fluctuations and other plumbing conditions can cause the tem perature and pressure at a fixture to be unstable but it should stabilize after a short time There are some types of hot wa...

Page 42: ...ive sheet to prevent surface scratching etc at time of shipment This sheet can be removed or left as it is When leaving the pro tective sheet on areas frequently touched may tear or peel However the remote controller will not malfunction from water entering such torn or peeled areas To restore the appearance of the remote controller surface simply remove the protective sheet Table 12 The fan can b...

Page 43: ...ed White smoke comes out of the exhaust vent terminal on a cold day This is normal The white smoke is actually steam The hot water is turbid This is harmless Small bubbles appear as the air in the water is heated and depressurized rapidly to atmospheric pressure The water appears blue The bath tub wash basin has turned blue Coloration to a blue color may be noticed from small traces of copper ion ...

Page 44: ...act Bosch Thermotechnology if Any other error code appears An error code is indicated again after the above actions were followed There are any other questions Error Code Cause Action Ignition error Check whether the gas valve is open Press the power button to turn the unit off open a hot water fixture and turn the unit back on If the flashing number doesn t return the problem is solved Abnormal c...

Page 45: ...will be performed to con firm that all parts have been securely installed i A request for service may be rejected if the water heater is installed in a location where working on the unit may be danger ous Contact a plumber Warning The gas conversion kit shall be installed by a qualified service agency1 in ac cordance with the manufacturer s in structions and all applicable codes and requirements o...

Page 46: ...6 720 644 063 46 Interior components diagram 9 Interior components diagram 9 1 660 EF Interior components Fig 45 Components ...

Page 47: ...6 720 644 063 Interior components diagram 47 9 2 660 EFO Interior components Fig 46 Components ...

Page 48: ...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 49: ...ralized 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 w...

Page 50: ...6 720 644 063 50 Limited Warranty ...

Page 51: ...6 720 644 063 Limited Warranty 51 ...

Page 52: ..._ ___ ___ ___ ___ ___ 8 digit serial number 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 _____________________________________________ P...

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