Bock Water heaters 150 User's Manual
Contents
1. C2 GO 15 Nozzle 1 65x70B 2 50x70B 3 25x70B 1 75x80B 2 50x70B 3 5x70B 4 50x70B 3 25x70B 4 0x70B 5 00x70B 6 00x70B Bock Power 150G 400 150G 600 150G 800 200G 450 200G 650 200G 850 200G 1150 250G 800 250G 1000 250G 1250 250G 1500 Gas Model Btu hr input 400000 600000 800000 450000 650000 850000 1150000 800000 1000000 1 250 000 1500000 Burner Make Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Model J15A 10 J15A 10 J30A 10 J15A 10 J15A 10 J30A 10 J30A 12 J30A 10 J30A 10 J30A 12 C2 G 15 Burner Controls Burner Primary Control Detector Wayne EH R8184G 1294 C554A PF C2 0AS RM7895C 1012 C7072A PF C1 GO 10 12 15 RM7895C 1012 C7072A CARLIN 201CCRD 301CRD P N 4020002 C1440700K Aquastats High Limit Honeywell Model L4080 amp Averaging Control Model L8100C Flue Tu bes Flue tubes constructed of steel minimum 1 8 in thick 6 in OD by 35 in long and provided with fins welded in a spiral pattern Model 150 400 200 450 150 600 200 650 150 800 200 850 200 1150 250 1250 250 1500 Number of Flues O NNOU 0 WW 12 WARNING WARNING CAUTION WATER PIPING GAS PIPING OIL PIPING MOUNTING THE BURNER CONNECT TO THE CHIMNEY Improper installation adjustment alteration service or maintenance can cause serious injury or property damage Refer to this2. close to the bottom of the storage tank but stop slightly above the suction lines Use a minimum of fittings making bends in tubing with as large a radius as possible Always use flared fittings not compression fittings If pipe is used instead of tubing do not connect the burner to the pipe use copper tubing and form a coil before attaching to the burner The burner is shipped separately Unpack and examine to be sure the unit is in good condition Install on the water heater using the mounting bolts provided On larger burners an additional pedestal is supplied to support the burner Make sure there are no obstructions in front of the burner and that the burner is not protruding into the combustion area Using L or A type venting connect the heater to the chimney Do not reduce the smoke pipe diameter use the same size smoke pipe as the heater flue pipe Run a separate connector from the heater to the chimney where possible If the heater must be joined to another oil appliance breach ing before going into the chimney enlarge the existing breaching to accommodate the extra volume of gases from the heater The entrance into the breaching should be at a 45 angle COMBUSTION AIR VENTILATION AIR NOTE All ducts must have the same cross sec tional area as the free area of each opening to which they connect The minimum side dimension of a rec tangular duct must be no smaller than three 3 inches Caution Ope
3. this excessive pressure Open the relief valve at least once a year to make sure the seat is not stuck Caution Before opening the relief valve be certain the discharge line directs the water away from the outlet to avoid contact with the water Magnesium anode rods are installed in the head of the tank to help prevent corrosion When inspecting the tank interior for lime also inspect the anode rods When the original diameter of any of the anode rods has eroded to about one third it should be replaced Freezing If the water heater is to be shut off during cold weather the tank and water lines must be drained to prevent freezing which will crack the tank Open the relief valve test lever annually The warranty will be invalid if the tank fails due to excessive pressure accumulation of lime or sedi ment corrosion or freezing Clean the oil burner nozzle annually and reset the electrodes Replace the filter cartridge on the oil supply line filter annually LIMITED WARRANTY This warranty covers Bock Water Heaters models 150 200 or 250 gas oil or dual fuel Bock Water Heaters a division of Bock Corporation a Wisconsin corporation at 110 S Dickinson St Madison WI 53703 Company warrants to the owner that the tank of this water heater will not leak due to defective materials or workmanship for THREE 3 years from the date of the original installation The company also warrants that no other part of this water h
4. 1 gph 8 2 gph 6 0 gph 7 1 gph 9 0gph 11 0 gph Btu hr input 400000 600000 800000 450000 650000 850000 1150000 800000 1000000 1 250 000 1500000 Burner Make Wayne Wayne Wayne Wayne Wayne Wayne Wayne Wayne Wayne Wayne PowerFlame Model EH EH EH EH EH EH FH EH FH FH C2 OAS Nozzle 3 0 x 80A 4 5 x 80B 5 5x 80A 3 0 x 80B 4 5 x 80B 6 0 x 70B 2 4 0 x 80B 6 0 x 70B 2 3 5 x 80B 2 4 5 x 80B 6 00x70B OEM Number 371 026B 371 028 193 020 371 028 371 028 193 020 193 022 193 020 193 022 193 022 Burner Make Carlin Carlin Carlin Carlin Carlin Carlin Carlin Model 201 CRD 301 CRD 301 CRD 201 CRD 301 CRD 301 CRD 301 CRD Nozzle 2 5 x ZOB 4 0 x 80B 5 0x80Aorzow 2 5 x ZOB 4 0 x 80B 5 0x 80A or 70W 5 0 x 80A or 70 OEM Number 9828500B361E 9859400B 9859400B 9828500B361E 9859400B 9859400B 9859400B Bock Dual 150DF 400 150DF 600 150DF 800 200DF 450 200DF 650 200DF 850 200DF 1150 250DF 800 250DF 1000 250DF 1250 250DF 1500 Fuel Model Max Fire Rate 3 0 gph 4 5 gph 6 0 gph 3 2 gph 4 6 gph 6 1 gph 8 2 gph 6 0 gph 7 1 gph 9 0 gph 11 0 gph Btu hr input 400000 600000 800000 450000 650000 850000 1150000 800000 1000000 1 250 000 1500000 Burner Make Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Power Flame Model C1 GO 10 C1 GO 10 C1 GO 10 C1 GO 10 C1 GO 10 C1 GO 10 C1 GO 12 C1 GO 10 C1 GO 12 C1 GO 12
5. manual For assistance or additional information consult a qualified installer or service agency If the information in these instructions is not followed exactly fire or explosion may result and can cause property damage personal injury or death Do not install on combustible flooring Minimum clearance to combustible construction is SIDES 6 BACK 6 FRONT 24 Install in accordance with all local codes In the absence of local codes refer to National Fuel Gas Code and or NFPA 31 or ANSI Z21 10 1 Install unions and shut off valves on both hot and cold water lines A temperature and pressure T amp P relief valve has been installed at the factory Install a discharge line from the relief valve outlet to a suitable drain Arrange the line without restriction to allow for complete drainage of both the relief valve and line Do not install a check valve in the cold water line If backflow preventers or pressure regulators are installed be sure to make provision for expansion of water when heated by installing either a thermal expansion valve or an expansion tank in the system All piping must comply with local codes ordinances or National Fuel Gas Code amp NFPA No 54 Install a sediment trap or drip leg in the supply line to the burner Install a union in the gas line adja cent to and upstream from the control manifold and downstream from the manual main shut off valve A 1 8 NPT plugged tapping accessible for test gauge connec
6. the tank can fail due to this excessive pressure Open the relief valve at least once a year to make sure the seat is not stuck Caution Before opening the relief valve be certain that the discharge line directs the water away from anything that could damaged or would block the flow of water to the drain Stand away from the outlet to avoid contact with the water MAINTENANCE INSTRUCTIONS MAGNESIUM ANODE RODS IMPORTANT WARRANTY COVERAGE COMPANY RESPONSIBILITY OWNER RESPONSIBILITY EXCEPTIONS TOTAL WARRANTY COMMITMENT Regular maintenance will keep the water heater operating at peak efficiency The tank can fail prematurely from an accumulation of lime and sediment on the bottom and tubes excessive pressure and or corrosion Prevention will appreciably extend the life of the water heater Lime and sediment accumulations can be controlled by softening the water Inspect the tank every six months by draining removing the hand hole cover and making a visual check of the interior Remove lime or sediment with a commer cial lime dissolving chemical or scrape loose the deposit and flush it away through the hand hole or drain Excessive pressure is controlled by the pressure relief valve Water expands when heated if it can not expand into the cold water line because of a check valve the pressure relief valve opens and dumps the extra water If the relief valve is faulty or none has been installed the tank can fail due to
7. TO THE INSTALLER Please attach these instructions next to the water heater TO THE CONSUMER Read these and all component instruc tions Please keep for future reference INSTALLATION OPERATION amp MAINTENANCE INSTRUCTIONS GAS OIL amp DUAL FUEL WATER HEATERS 150 200 250 Warranty and registration card included WARNING Improper installation adjustment alteration service or maintenance can cause serious injury or proper ty damage Refer to this manual For assistance or addi tional information consult a qualified installer or service agency WARNING If the information in these instructions is not followed exactly fire or explosion may result and can cause property damage personal injury or death DO NOT INSTALL THE WATER HEATER ON COM BUSTIBLE FLOORING Install in accordance with all local codes In the absence of local codes refer to NFPA 31 or ANSI Z21 10 1 or contact Bock Water Heaters with questions concerning proper flooring materials WATER HEATER 24 GAUGE SHEET METAL 000000000 000000000 000000000 gt 1 4 FIBERFRAX 500 PAPER OR SIMILAR INSULATING MATERIAL 4 CONCRETE BLOCK Minimum clearance to combustible construction is SIDES 6 BACK 6 FRONT 24 The installation of this water heater must conform with local codes and ordinances In the absence of local codes the installa tion must comply with the National Fire Protection Association NFPA 31 Code WARNING The
8. anode rods installation outside of the United States or on which the serial numbers have been altered The warranty also does not apply when the water heater is installed without a new temperature and pressure relief valve and is not installed in accordance with local codes and ordinances We will not assume nor authorize any person to assume for us any other liability in connection with the sale or operation of Bock Water Heaters Any implied warranties including merchantability or fit ness for a particular application imposed on the sale of this heather under laws of the state of sale are limited to one 1 year Some states do not allow limitations on how long an implied warranty lasts or for the exclusion of incidental or consequential damages so the above limitations or exclu sions may not apply to the purchaser This warranty gives specific legal rights other rights may vary from state to state The card should be returned within thirty 30 days of the date of installation otherwise the date of manufacture will be recorded as the date of installation for the purpose of this warranty Contact your nearest Bock distributor or Bock Water Heaters 110 S Dickinson St e Madison WI 53703 Phone 608 257 2225 FAX 608 257 5304 www bockwaterheaters com Rev Date 01 05 23432
9. ce the flame detector located in the burner housing Turn on the current and reset the control relay If the motor still does not run replace the control relay If motor hums and gets hot replace the motor 5 If the burner ignites and runs a short time 10 to 15 seconds and goes out on safety replace the flame detector If the burner still runs only a short time replace the control 6 The smell of oil or combustion products may be caused by poor draft or lack of combustion air Remove and clean the electrode assembly and check the draft in the connector directly above the heater There should be at least 01 inches W C draft pull or greater Lime and sediment Such accumulations can be controlled to an extent by softening the water The tank should be inspected every six months by draining the tank removing the hand hold cover and making a visual check of the tank interior If lime or sediment has accumulated it should be removed by use of a commercial lime dissolving chemical or by scraping loose the deposit and flush ing it away through the hand hole drain Excessive pressure is controlled by the T amp P relief valve Water expands when heated and the extra volume of water must have a place to go If water cannot expand into the cold water line because of a check valve pressure builds as the water heats The pressure relief valve opens and dumps the extra volume of water If the relief valve is faulty or none has been installed
10. d go out The thermostat should be adjusted in accordance with the local codes or to the mini mum setting that will meet the hot water needs of the consumer Bock recommends 120 F tempera ture settings for residential applications for safety as well as energy efficiency 1 Check the fuel supply electrical wiring and fuses Make sure the temperature control is set for heat 2 If the motor runs but there is no flame remove the electrode assembly clean and readjust see Figure 5 Check the electrode porcelain for cracks and replace if necessary Check the transformer to see of it is producing a strong spark Use extreme caution the transformer has a 10 000 volt output Check that the coupling between the motor and pump shaft is not slipping Check the set screw on the blower wheel for tightness Clean or replace the nozzle if necessary always using the correct size and spray angle provided by the manufacturer 3 Bleed the pump to make sure the oil is clear and free of air bubbles If the oil is milky or frothy check the line for air leaks at fittings Check the oil filter gaskets and make sure the filter cartridge is clean 4 If the burner motor does not run check the motor thermal overload button red and reset If the burner motor does not run after pushing the red button on the back of the motor turn the motor off and check the motor shaft to see of it is tight Check the pump shaft if it is free and the motor will not run repla
11. diverter Drafts should be at least 0 02 W C and less than 0 05 W C while the water heater is in operation Unconfined space No additional combustion and ventilation air is required if the volume of the space is greater than 50 cubic feet per 1 000 BTUH of the combined total input of all equipment installed in that space Rooms leading directly to the space through openings which cannot be closed are considered part of the unconfined space Confined space When the unit will be installed in a space with a volume of less than 50 cubic feet per 1 000 BTUH the space must be vented at the floor for combustion air and at the ceiling for venti lation This air can be supplied from either inside or outside of the building as conditions allow refer to NFPA 31 or local codes A Inside air supply Provide two permanent openings one within 12 of the top of the enclosure and one within 12 of the bottom leading directly to room s of sufficient volume so that the combined volume of all the space meets the criteria for unconfined space Each opening required a minimum free area of one 1 square inch two square inches total per 1 000 BTUH of the combined total input of all equipment installed in the enclosure but not less than 100 square inches B Outside air supply Provide two permanent openings one within 12 of the top of the enclosure and one within 12 of the bottom These openings must lead directly to crawl and attic spaces l
12. ead ing directly to the outside of the building 1 Leading directly to outside or through vertical ducts Each opening top and bottom requires a minimum free area of one 1 square inch two square inches total per 4 000 BTUH of the combined total input of all equipment installed in the enclosure 2 Leading to the outside through horizontal ducts Each opening top and bottom requires a mini mum free area of one 1 square inch two square inches total per 2 000 BTUH of the combined total input of all equipment in the enclosure Louvers and grilles In calculating the free area in Equipment Located in Confined Spaces consider the blocking effects of louvers grilles or screens protecting openings The screens cannot be smaller than one 1 inch of mesh If the free area of a louver or grille is known it should be used in calculating the size opening required to provide the free area specified If the design and free area is not known assume wood louvers have 20 to 25 free area and metal louvers and grilles 60 amp to 70 Fix louvers and grilles in the open position or interlock with the equipment so they are opening automatically during equipment operation WIRING All wiring should conform to the National Electrical Code Install a separately fused disconnect switch for the water heater The water heater is equipped with an immersion aquastat with dual bulbs to control operation of the heater and a separa
13. eater will fail due to a defect in material or workmanship for one 1 year This warranty does not apply where the purchase is for resale Bock Water Heater s responsibility is to repair or replace at our option with the prevailing comparable model any part of the equipment sold by the Company which proves to be defective in material or workmanship including the tank during the warranty period when installed in accordance with appli cable codes and ordinances and operated and maintained in accordance with our instructions sub ject to the conditions and exceptions indicated below Our liability in the event of leakage or other malfunction is strictly limited to repair or replacement of the defective heater or part as provided herein We are not responsible hereunder for incidental property damage or personal injury conse quential costs or damage At the company s request the owner is to return to the factory al Madison WI any part including the tank defective in material or workmanship and pay all transportation charges for such return parts and for replacement parts sent from the factory to the owner The owner will pay all labor charges for the removal and installation of such parts including the tank This warranty will not apply to tanks or parts subject to misuse abuse neglect alteration accident excessive temperature excessive pressure lime silt or sediment accumulation corrosive atmos phere the removal of magnesium
14. or several minutes before you use ANY elec trical appliance that is connected to the hot water system If hydrogen is present an unusual sound such as air escaping will come from the open faucet as the hot water begins to flow Hydrogen gas is extremely flammable there must be no open flame near this open faucet Inc 110 S Dickinson St e P O Box 8632 Madison WI 53708 8632 Phone 608 257 2225 Fax 608 257 5304 www bockwaterheaters com SPECIFICATIONS Leave ample room for servicing when the water heater is installed do not block access to the burner inspec tion door handholes or controls Leave room to pipe the unit and connect the fuel and electricity BURNER SPECIFICATIONS Boek Mui 150 400 150 600 150 800 200 450 200 650 200 850 200 1150 250 800 250 1000 250 1250 250 1500 ue Series Nominal Storage 176 gal 168 gal 160 gal 221 gal 212 gal 204 gal 192 gal 273 gal 260 gal 251 gal 242 gal Stack Size in 8 in 8 in 10 in 8 in 8 in 10 in 12 in 10 in 12 in 14 in 14 in Turboflues Qt 3 5 7 3 5 7 10 T 10 12 14 Anode Rods Qt 4 4 6 4 4 6 10 6 8 10 11 Bock Oil 150E 400 150E 600 150E 800 200E 450 200E 650 200E 850 200E 1150 250E 800 250E 1000 250E 1250 250E 1500 Fired Model Max Fire Rate 3 0 gph 4 5 gph 6 0 gph 3 2 gph 4 6 gph 6
15. ration of exhaust fans ventiliating sys tems power burn ers induced draft systems or fire places may create conditions that require special attention to avoid unsatisfactory operation of installed equip ment Adequate non contaminated combustion air must be supplied to the water heater In a confined space with a volume of less than 50 cubic feet per 1000 BTUH the space must be vented at the floor for combustion air and at the ceiling for ventilation The air can be supplied from either inside or outside of the building as conditions allow Care must be taken to insure an adequate air supply for the water heater A Install equipment only where the water heater will have satisfactory combustion proper venting and the maintenance of temperature at safe limits all around the unit under normal operating condi tions Free circulation of air around the water heater is essential If the air supply is inadequate introduce outside air Any temperature above 90 F around the heater indicates a need for additional air see NFPA 31 for air requirements B In addition to air needed for combustion air may be required for draft control cooling off control ling dew point heating drying oxidation or dilution safety exhaust odor control and compressors C Make sure air around the water heater is adequate for personal comfort and working conditions D Check for proper draft Place a draft gauge in the chimney above the draft
16. recommended temperature for normal res idential use is 120 F The dial on the aquastat does not Bock Water Heaters always reflect the outcoming water temperature which could occasionally exceed 120 F The variation in outcom ing temperature could be based on factors including but not limited to usage patterns and type of installation Test your water at the tap nearest to the water heater WARNING Hotter water increases the risk of scald injury Before changing the temperature setting read the instruc tion manual Temperatures at which injury occurs vary with the individua s age and length of exposure The slower reaction times of children elderly and physically or mentally impaired persons increases the scalding hazard to them It is recommended lower water temperatures be used where these situations exist To lower water temperature use point of use tempera ture limiting devices WARNING Flammable vapors may be drawn to this water heater from other areas of the structure by air currents Do not store or use any flammable liquids in the vicinity of this heater WARNING Water heater blankets may restrict air flow to the heater and cause fire asphyxiation personal injury or death WARNING Hydrogen gas can be produced in a hot water system that had not been used for an extended period gen erally two weeks or longer To prevent possible injury under this situation we recommend that a hot water faucet be wide open f
17. rrosion Fill the heater with water opening a hot water faucet to allow trapped air to escape Check hand holes for tightness Check the fuel supply and all fuel lines for tightness Rotate the blower wheel to loosen the pump shaft seal Bleed air from the oil line by opening the bleed valve on the fuel pump Attach a small plastic tube to the bleed valve fitting on pump and run to a gallon container Turn on the electricity and set the thermostat sot eh burner motor runs The heater will not ignite when the bleed valve is open Bleed the line until the oil is completely clear not milky or opaque transparent and free of air bubbles and froth 1 Start the burner and adjust draft to the 02 in HoO to 05 in H20 2 Verify that the pump pressure matches the values in the chart 3 Check the smoke and adjust the air to give 1 smoke 4 Readjust to give a trace or zero smoke 5 Check that the CO O5 level is at 11 or higher Note Do no attempt to adjust the burner without instruments 6 Open the air adjustment to lower the CO by 5 or 1 to allow for draft and fuel variations refer to the burner manufacturer s recommendations The thermostat has been adjusted to 120 F at the factory Wait until thermostat has shut off fuel to the main burner wait 30 seconds following shut off of fuel then set thermostat to the highest temper ature The main burner should re light Set thermostat to the lowest temperature the main burner shoul
18. te high limit immersion control both controls are installed and wired at the factory A wiring harness is furnished to connect the control system to the burner control panel Follow the wiring diagram furnished with the burner to complete the field wiring When wiring is completed set the operating temperature control L8100C to 120 F Higher temperature setting will increase the risk of scalding L4080 HIGH LIMIT gt REMOTE SENSOR FOR AVERAGING CONTROL 115 VOLT 60 HZ FUSED DISCONNECT SWITCH HOT GROUND ORANGE WHITE HIGH LIMIT POWERFLAME BURNERS JUMPER REMOTE SENSOR TO B7A BURNER 1 WIRE TERMINAL RELAY FQ A 16 FO B Li J amp C BURNERS BLACK 4 S ORANGE WIRE TERMINAL 3 B 4 WHITES AQUASTAT im AN V CAD CELL FIELD CONNECTIONS L8100C AVERAGING MOTOR THERMOSTAT A 4 TRANSFORMER H eg eee B aed L u LOW WATER WIRING DIAGRAM LARGE OIL W AVERAGING CUTOFF P F GAS BURNER WIRING W AVG PUTTING HEATER INTO OPERATION SET DRAFT AND ADJUST BURNER COMBUSTION see burner instructions SERVIGE Regular mainte nance will keep the water heater operat ing at peak efficien cy The tank can fail prematurely from the accumulation of lime and sediment in the bottom exces sive pressure and or co
19. tion must be installed immedi ately upstream of the gas supply connection to determine the gas supply pressure to the burner Install a manual shut off valve in the gas supply line external to the water heater The gas line should be a separate supply direct from the meter to the burner Use new pipe that is free of cutting burrs and well supported Use pipe dope approved for all gasses on male threads only When pressure testing the gas supply piping system at less that 1 2 psig close the manual gas shut off valve to the heater If test pressures are to exceed 1 2 psig the water heater and its manu al shut off valve must be disconnected from the system Be sure gas service and meter are ade quately sized All heaters covered by this manual are equipped with two stage fuel pumps They require a two pipe system suction and return The fuel pumps have the bypass plug installed which requires a two pipe system using 5 8 O D soft copper tubing For gravity flow system oil supply above the burner if a one pipe system is used the bypass plug should be removed On the larger burners and all dual fuel burners a two pipe system is required For multiple heater installations run a separate suction and return line for each heater if possible Where the combined lift in feet and horizontal run exceeds 100 install a booster pump as near to the supply tank as possible Return lines must be the same diameter as suction lines and extend
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