Bloomfield 1086 Coffeemaker User Manual
Contents
1. 4 BREWING COFFEE san v kann on dae n de eb da aa 5 CLEANING INSTRUCTIONS 6 THEORY OF OPERATION WATERFLOW kk fe kak ak p ke su uY 7 HOT WATER FAUCET 8 BREW WATER TEMPERATURE CONTROL 9 TROUBLESHOOTING GUIDE QUICK GUIDE uu A 10 BREW WATER SYSTEM AUTOMATIC OPERATION 11 BREW WATER SYSTEM POUR OVER 12 FAUCET WATER SYSTEM 15 ELECTRICAL SYSTEM BREW 19 ELECTRICAL SYSTEM 20 ELECTRICAL SVSTEM WARMERS 21 SERVICING INSTRUCTIONS TEMPERATURE ADJUSTMENT 22 TIMER ADJUSTMENT asiste sotte a ik ke kt ko ake kan kek 23 REMOVE TANK 23 REPLACE THERMOSTAT aa abra oak 23 REPLACE HEATING ELEMENT 23 REPLACE FILE SOLENOID 24 CLEAN SOLENOID SCREEN 24 REPLACE TIMER ASSEMBLY 25 REPLACE HOT WATER COIL 25 REPAIR WATER FAUCE2. BLOOMFIELD 600 BLOOMFIELD INDUSTRIES 2 ERIK CIRCLE P O Box 280 Verdi NV 89439 telephone 775 689 5700 fax 888 492 2783 www wellsbloomfield com USER S GUIDE for BLOOMFIELD TRADITIONAL DISPLACEMENT TYPE COFFEE BREWERS By Bloomfield INTEGRITY Koffee Kin Includes Installation Checkout Theorv of Operation Troubleshooting p n 86772 Rev M600 102203 cps INTRODUCTION The technical content of This manual is intended for use by qualified service personnel this manual represents current production models as of October 2003 Data specifications and materials and model number designations are Except as noted this piece of equipment is made in the USA and has subject to change at any American sizes on hardware All metric conversions are approximate time without notice Bloomfield coffee brewers are intended exclusively for commercial use and are designed expressly to brew beverage products for human consumption No other use is recommended or authorized by the manufacturer or its agents This is a general guide for this class of brewers Examples in this manual are provided to illustrate concepts only Your specific application may vary Consult the Owner s Manual for your specific equipment SAFETY WARNINGS AND PRECAUTIONS WARNING ELECTRIC SHOCK HAZARD All servicing requiring access to non insulated components must be performed by qualified service personnel Do not open any access panel
3. IS TIMER PROPERLY SET Fe FLOW i xs RESTRICTOR EARLY STYLE FLOW CONTROL C RETAINERS HEAT SEAL CHECK SOLENOID IS FLOW CONTROL IN PLACE fe K Y FLOW i CONTROL LATER STYLE FLOW CONTROL WATER CONTINUES TO DRIBBLE FROM BREW HEAD OR BREW CHAMBER AT THE CONCLUSION OF THE BREW IT WILL REQUIRE SEVERAL SECONDS FOR ALL WATER IN THE BREW CHAMBER TO DRIP OUT AS COFFEE CHECK BREW SOLENOID REPLACE IF DAMAGED TURN FAUCET VALVE OFF IF FLOW STOPS REPLACE FAUCET COIL TROUBLESHOOTING GUIDE continued BREW WATER SYSTEM AUTOMATIC OR POUR OVER OPERATION BREW CHAMBER OVERFLOWS ARE SPRAY DISK AND GASKET USING MORE THAN ONE FILTER THE WRONG FILTER TOO MUCH COFFEE OR TOO FINE A GRIND CAN CAUSE AN OVERFLOW GASKET ON INSIDE OF BREW HEAD CUP EARS ON SPRAY DISK UP IS A SINGLE GENUINE BLOOMFIELD FILTER USED USE ONE GENUINE BLOOMFIELD FILTER IS BREW CHAMBER DISCHARGE HOLE CLEAR CLEAN BREW CHAMBER DISCHARGE HOLE FOR METAL BREW CHAMBER IS WIRE RACK INSTALLED PROPERLY INSTALL WIRE RACK REPLACE BREW CHAMBER PLASTIC BREW CHAMBER 14 TROUBLESHOOTING GUIDE continued BREW WATER SYSTEM POUR OVER OPERATION BASIN OVERFLOWS IS WATER POURED SLOWLY POUR WATER INTO POUR OVER OPENING SLOWLY CHECK SPRAY DISK ARE SPRAY HOLES CLEAR CLEAN OR REPLACE SPRAY DISK CHECK INLET AND OUTLET ELBOWS SILICONE HOSES AND TANK FOR OBST
4. REPAIR CAUSE OF BLOWN FUSE AND REPLACE FUSE S DOES LIGHTED WARMER SWITCH GLOW WHEN ON CHECK WIRING AND CONNECTIONS IS VOLTAGE AVAILABLE AT ELEMENT WHEN ON REPLACE WARMER SWITCH REPLACE WARMER ELEMENT WARMER WARMER SWITCH ELEMENT SCHEMATIC 21 CAUTION Electric Shock Hazard These procedures involve exposed electrical circuits These procedures are to be performed by qualified technical personnel only NOTE Optimum brewing temperature range is 195 F to 205 F 90 C to 96 C IMPORTANT A mechanical thermostat will maintain temperature within 5 F To prevent boiling water in the brewer thermostat should be adjusted to a maximum temperature equal to the local boiling temperature minus 5 F SERVICING INSTRUCTIONS TEMPERATURE ADJUSTMENT Unplug power cord or turn circuit breaker OFF Remove top panel Pull vent tube out of tank lid and insert a thermometer of known accuracy in vent hole Reconnect brewer to electrical power THERMOSTAT DIAL TYPE THERMOMETER ADJUSTING SHAFT IN VENT HOLE TANK LID ASSEMBLY P Fig 10 Checking and Adjusting Brew Temperature Place an empty decanter under brew chamber Energize brewer and pour one decanter 64 oz of cold water into pour over opening When READY TO BREW light comes on read temperature displayed on thermometer Adjust thermostat by turning shaft clockwise increases temperature 1 8 turn a
5. PROCEDURE Delime the Water Tank PRECAUTIONS Disconnect brewer from electric power Allow brewer to cool As required Brewer slow to heat Deliming Solution Protective Gloves Goggles amp Apron Mild Detergent Clean Soft Cloth or Sponge Bristle Brush Bottle Brush Large Sink or other appropriate work area Disconnect brewer from the electrical supply Turn off the water shut off valve and disconnect the water supply line from the brewer inlet fitting Remove the tank lid assembly as described on page 13 Remove the water tank from the brewer body by lifting straight up Empty all water from the tank Set the tank back into the brewer Mix 2 quarts of deliming solution according to the manufacturer s directions Carefully pour the deliming solution into the water tank Lower the lid assembly back onto the tank Allow to sit for 30 minutes or as directed by the manufacturer At end of soaking period remove lid assembly from tank Thoroughly rinse internal components of lid assembly with clear water Using a stiff bristle brush scrub the heating element and faucet water coil on automatic brewers to remove lime and calcium build up Rinse with clean water Store lid assembly in a safe location Remove the tank from the brewer and empty Using a stiff bristle brush scrub the interior of the water tank to remove lime and calcium build up Rinse with clean water 26 SERVICING INSTRUCTIONS continued 7 Sett
6. The faucet water coil is submerged in the hot water MADI FAUCET tank and draws heat from the brew water Faucet water flows through the bypass side of the water inlet and is not controlled by the solenoid valve FAUCET BYPASS The faucet is at supply water pressure any time the faucet shut off valve is OPEN Hot Water Faucet Flow Diagram THEORY OF OPERATION continued BREW WATER TEMPERATURE CONTROL Typical Heating System Electrical Configuration The heating elements are energized when line power is applied to the element terminals Water temperature is sensed by a thermobulb inserted into the water tank This temperature signal is fed to the thermostat by a capillary tube An increase in temperature causes an increase in pressure in the thermobulb This will cause the pressure diaphragm in the thermostat to open the line power contacts A decrease in temperature will similarly cause the pressure diaphragm to close the contacts The setpoint desired temperature is adjustable by turning the thermostat shaft Turning the shaft 1 8 turn will change the setpoint by approximately 10 F The element is protected from over temperature by a hi limit thermostat which breaks line power if the temperature exceeds 260 F The Ready To Brew light glows any time the thermostat is not calling for heat READY TO BREW DO LIGHT TEMPERATURE CONTROL THERMOSTAT HI LIMIT SAFETY THERMOSTAT
7. Unpack the unit Inspect all components for completeness and condition Ensure that all packing materials have been removed from the unit Verify that the Spray Head Gasket and Spray Disk are properly installed IMPORTANT The gasket must be installed INSIDE the brew head cup Verify that an adjustable leg is installed at each corner of the brewer and if provided the rubber foot is installed on each leg Set Brewer in its operating location Level the Brewer A spirit level should be placed on the top of the unit at the edge as a guide when making level adjustments Level the unit from left to right and front to back by turning the adjustable feet Be sure all four feet touch the counter to prevent tipping PLUMBER S INSTALLATION INSTRUCTIONS Brewer should be connected to a POTABLE WATER COLD WATER line Flush water line before connecting to Brewer DO NOT use a saddle valve with a self piercing tap for the water line connection Such a tap can become restricted by waterline debris For systems that must use a saddle tap shut off the main water supply and drill a 3 16 minimum tap for the saddle connection in order to insure an ample water supply Remember to flush the line prior to installing the saddle The brewer must be installed on a water line with average pressure between 20 PSI and 90 PSI If your water pressure exceeds 90 PSI at anytime a pressure regulator must be installed in the water supply line to lim
8. CLINCH 2 RING WA METAL FITTING 86660 WRENCH WRENCH METAL FITTING CLINCH RING SLIDE WRENCH BETWEEN VALVE AND HOSE FITTING PRESS CLINCH RING TOWARD METAL FITTING TO RELEASE Fig 11 Remove Faucet Supply from Solenoid STRAINER SCREEN WASHER WW WATER INLET FITTING Fig 12 Clean Strainer Screen REPLACE SOLENOID Symptom Automatic brewer will not flow water or automatic brewer drips continuously from brew head Unplug power cord or turn circuit breaker OFF Turn OFF and disconnect water supply from brewer inlet fitting Unscrew water inlet fitting from solenoid Remove two screws holding access door in place Remove two screws holding solenoid to door Disconnect wiring from solenoid Slide the 7 16 end of the wrench between the valve body and the white ring on the extreme end of the metal hose fitting Pressure on the white ring toward the metal ferrule releases the clinch ring allowing the hose to be easily slid off of the solenoid bypass outlet Transfer solenoid bracket to new solenoid Reinstall hose by pressing end of hose onto bypass outlet until it is fully seated Reassemble in reverse order CLEAN SOLENOID SCREEN Symptom Automatic brewer will not flow water Unplug power cord or turn circuit breaker OFF Turn OFF and disconnect water supply from brewer inlet fitting Unscrew water inlet fitting from solenoid Using needle nose pliers withdraw stra
9. THERMOBULB WATER TANK HEATING ELEMENT HI LIMIT SAFETY 4 THERMOSTAT THERMOBULB HEATER 4 ELEMENT TEMPERATURE CONTROL THERMOSTAT Heat Control Diagram TROUBLESHOOTING GUIDE QUICK GUIDE SYSTEM The first step in troubleshooting BREW WATER AUTOMATIC OPERATION is to determine where to start BREW WATER POUR OVER A few simple checks should FAUCET WATER quickly point to the major area ELECTRICAL BREW of concern ELECTRICAL HEATING ELECTRICAL WARMERS BREWER MUST BE PROPERLY INSTALLED AND CONNECTED TO BREWER DOES NOT WORK WATER OF THE PROPER PRESSURE AND ELECTRIC POWER OF THE PROPER VOLTAGE DO ANY LIGHTS GLOW DOES WATER FLOW FROM FAUCET CHECK WATER SUPPLY AND FAUCET WATER SYSTEM IS WATER HOT CHECK ALL HOSES FOR PROPER CONNECTION THE CAPTURE RIDGES ON SILICONE HOSES MUST BE PROPERLY INSTALLED BREWER LEAKS WATER IN THEIR RESPECTIVE HOLES FROM INSIDE CABINET CHECK ALL HOSES FOR CONDITION CHECK TANK TO BE SURE IT IS PROPERLY INSTALLED AND THAT GASKET IS INTACT CHECK FAUCET COIL FLARE FITTINGS IF LEAKING CHECK FOR TIGHTNESS AND TO BE SURE THE BELL OF THE FLARE IS UNDAMAGED PIPE FITTINGS MUST BE INSTALLED WITH PROPER THREAD SEALANT FLARE FITTINGS MUST BE INSTALLED WITHOUT PIPE DOPE OR SEALANT TAPE TROUBLESHOOTING GUIDE continued BREW WATER SYSTEM AUTOMATIC OPERATION DOES NOT FLOW WATER WHEN
10. abrasive or chlorinated cleansers to clean the brewer or airpots GASKET SPRAY DISK LIFT EARS UP TURN LEFT TO REMOVE Cleaning PRECAUTIONS Disconnect brewer from electric power FREQUENCY TOOLS 8 10 11 12 Allow brewer to cool Daily Mild Detergent Clean Soft Cloth or Sponge Bristle Brush Bottle Brush Disconnect brewer from electric power Allow brewer to cool before cleaning Remove airpot Remove and empty brew chamber Remove the spray disk from the brew head See figure 7 Press up on the spray disk ears then turn the disk to the left to unlatch Remove the gasket from inside the brew head Wipe inside of brew head and area around the brew head with a soft clean cloth or sponge moistened with clean water Wash the spray disk in a sink using warm water and a mild detergent A bristle brush may be used to clear clogged spray holes Rinse the spray disk with clean water and allow to air dry Wash the brew chamber in a sink using warm water and a mild detergent A bristle brush may be used to clean the inside Rinse with clean water and allow to air dry Wipe the exterior of the brewer with a soft clean cloth or sponge moistened with clean water Reinstall the gasket INSIDE the brew head then reinstall the spray disk Reinstall the brew chamber DO NOT submerge airpots in water Clean airpots by filling with warm soapy water Scrub the inside with a bottle brush Empty and
11. blade to fit an existing receptacle Contact a licensed electrician to install the proper circuit and receptacle GROUND PIN U NEMA 5 15P NEMA 5 15R PLUG RECEPTACLE Typical Plug Receptacle Configuration CAUTION SHOCK HAZARD Always disconnect the brewer fro electrical power before servicing or cleaning CAUTION BURN HAZARD Brew water is extremely hot Exposed surfaces of the brew chamber and airpot decanter or thermal server may be HOT to the touch and can cause serious burns A If anv problems are encountered with the operation of this brewer please refer to the TROUBLESHOOTING GUIDE beginning on page 10 IMPORTANT When operating the brewer for the first time the tank must be filled with water BEFORE connecting to electric power Place an empty container under the brew head then pour water into the pour over opening until water flows from the brew head When all dripping stops remove and empty the container It is now safe to connect brewer to electric power Fill Water Tank BREWER OVERALL CHECK OUT BREWER CHECK OUT These checks should be performed When the brewer is installed e During any service call on the brewer e During any subsequent follow up call IMPORTANT Tank must be full of water before pressing POWER key Heating elements will be damaged if allowed to operate without being fully submerged in water Damage caused by operating the brewer without water
12. in the tank is NOT COVERED BY WARRANTY 1 Clean spray disk 2 Check spray disk gasket Be sure it is installed inside of the brew head cup 3 Check operation of Power Switch es Brew Switch and Brew Cancel Switch 4 Check the brew temperature at the brew head a Install a paper filter in the brew chamber then install the brew chamber under the brew head Set an empty container in position under the brew head b Withdraw the brew chamber slightly and insert the temperature probe of a digital thermometer into the brew chamber so that the tip is near the discharge hole Be sure the brewer is up to temperature ready to brew light is on then start a brew c At this location temperature should be near 190 F for coffee 195 F for tea 5 Check the water delivery volume 6 Where applicable check operation of warmers and warmer switches 7 Disconnect brewer from electric power Remove top panel and check hoses and connections for water leaks 8 Where applicable check hot water faucet for operation and leaks BREWING COFFEE PREPARATION Place one 1 genuine Bloomfield paper filter in the brew chamber Add a pre measured amount of fresh coffee grounds Gently shake the brew chamber to level the bed of grounds Slide the brew chamber into place under the brew head PAPER FILTER VII EE lt BREW CHAMBER Brew Chamber POUR OVER OPERATION BE sure READY TO BREW li
13. power cord or turn circuit breaker OFF Using Switch Removal Tool p n 83209 or a thin screwdriver pry light or switch from mounting hole Disconnect leads Reassemble in reverse order 25 IMPORTANT When replacing water faucet coil also replace seal gaskets NOTE Any abrasion or roughness on the flat end of the seat cup will require replacing the seat cup Work the seat cup out of the bonnet and off of the end of the stem Install a new seat cup making sure the knob on the stem is fully inserted into the pocket of the seat cup and the skirt of the seat cup is fully inserted into the bonnet io RETAINER CLIP 5 T AERATOR lt A AERATOR a CAP PIVOT BONNET STEM CAUTION CHEMICAL BURN HAZARD Deliming chemicals are caustic Wear appropriate protective gloves and goggles during this procedure Never siphon deliming chemicals or solutions by mouth This operation should only be performed by qualified and ex perienced service personnel IMPORTANT DO NOT spill splash or pour water or deliming solution into or over any internal component other than the inside of the water tank IMPORTANT DO NOT allow any internal components to come into contact with the deliming solution Take care to keep all internal components dry NOTE Repeat steps 4 thru 5 as required to remove all scale and lime build up FREQUENCY TOOLS SERVICING INSTRUCTIONS continued
14. AINTAINS VOLTAGE WHEN BREW SWITCH RELEASED ADJUST OR REPLACE TIMER BREW SW FILL CLEAN OR REPLACE MOM CONT SOLENOID FILL SOLENOID SCHEMATIC 19 TROUBLESHOOTING GUIDE continued ELECTRICAL SYSTEM HEATING WATER NOT HOT ARE ANY LIGHTS GLOWING CAUTION ELECTRIC SHOCK HAZARD Exposed electric circuits Use due caution when working near live electric circuits CHECK ELECTRIC SUPPLY UNIT PLUGGED INTO PROPER RECEPTACLE CHECK RESET CIRCUIT BREAKER CHECK FUSES IF APPLICABLE REPAIR CAUSE OF BLOWN FUSE AND REPLACE FUSE S IS READY TO BREW LIGHT LIT READY TO BREW LIGHT WILL GLOW WHEN THERMOSTAT IS SATISFIED CHECK WIRING AND CONNECTIONS CHECK HI LIMIT SAFETY FOR CONTINUITY IS HI LIMIT SAFETY ELECTRICALLY CLOSED ALLOW HI LIMIT TO COOL CesK REPLACE IF IT FAILS TO RESET IS VOLTAGE AVAILABLE AT HEATING ELEMENT TERMINALS ves e no ADJUST OR REPLACE THERMOSTAT READT TO BREW LIGHT IS TANK FREE FROM LIME SCALE BUILD UP HI LIMIT HEATING ves DELIME WATER TANK THERMOSTAT SAFETY ELEMENT REPLACE HEATING ELEMENT SCHEMATIC 20 TROUBLESHOOTING GUIDE continued CAUTION HAZARD Exposed electric circuits Use due caution when working near live electric circuits ARE ANY LIGHTS GLOWING CHECK ELECTRIC SUPPLY UNIT PLUGGED INTO PROPER RECEPTACLE CHECK RESET CIRCUIT BREAKER CHECK FUSES IF APPLICABLE
15. BREW IS PRESSED IS WATER SUPPLY ON TURN WATER SUPPLY ON DOES WATER FLOW FROM FAUCET CLEAN SUPPLY FITTING INLET SCREEN DOES NOT HAVE A FAUCET CAN FILL SOLENOID BE HEARD OR FELT TO ENERGIZE Check wiring and connections Check operation of BREW switch Check operation of BREW CANCEL switch Check operation of TIMER Check coil of FILL SOLENOID CHECK ELECTRIC SYSTEM PLUGGED OR DAMAGED FILL VALVE CHECK REPLACE 11 TROUBLESHOOTING GUIDE continued BREW WATER SYSTEM AUTOMATIC OPERATION TOO LITTLE WATER IS WATER PRESSURE CORRECT WATER PRESSURE SHOULD BE BETWEEN 20 AND 90 p s i g AT FULL FLOW FLOW MUST BE AT LEAST 1 GALLON PER MIN OTHER EQUIPMENT ON THE LINE CAN ROB PRESSURE AND FLOW A SADDLE TAP CAN RESTRICT FLOW PROVIDE PROPER PRESSURE AND FLOW CONNECT BREWER TO DEDICATED WATER LINE ISA BACKFLOW PREVENTER INSTALLED BE SURE BACKFLOW PREVENTER IS FUNCTIONING PROPERLY CLEAN INLET SCREEN CHECK WIRING amp CONNECTIONS CHECK HOSES FOR RESTRICTION CHECK TIMER CHECK BREW SOLENOID 12 TROUBLESHOOTING GUIDE continued BREW WATER SYSTEM AUTOMATIC IMPORTANT To avoid overflowing the brew container ALWAYS start the brew with an empty container under the brew head WATER PRESSURE SHOULD BE IS WATER PRESSURE BETWEEN 20 AND 90 p s i g CORRECT AT FULL FLOW INSTALL PRESSURE REGULATOR Wall ii ADJUST FOR PROPER PRESSURE
16. LATE THE COIL SLOWING THE HEATING PROCESS REPLACE FAUCET WATER COIL DELIME WATER TANK ON A REGULAR SCHEDULE HAS DELIMING SOLVED THE PROBLEM 17 TROUBLESHOOTING GUIDE continued FAUCET WATER SYSTEM FAUCET LEAKS DRIPS IS WATER SPURTING FROM FAUCET CLEAN FAUCET SEAT AND CUP WASHER IS WATER TEMP EXTREMELY HIGH DOES FAUCET SERVICE SOLVE PROBLEM PROBABLY CAUSED BY AIR IN WATER LINE RUN WATER UNTIL SPUTTERING STOPS ADJUST BREW WATER IS A BACK FLOW TEMP SETPOINT PREVENTER INSTALLED IN INCOMING WATER LINE INSTALL A WATER HAMMER KIT BETWEEN BACKFLOW PREVENTER AND INLET FITTING INSTALL A PRESSURE REGULATOR ADJUST 50 p s i g ALSO INSTALL WATER HAMMER KIT p n 901244 SCHEDULE REGULAR FAUCET CLEANING 18 TROUBLESHOOTING GUIDE continued ELECTRICAL SYSTEM BREW PRESSING BREW SWITCH CAUTION HAZARD Exposed electric circuits Use due caution when working near live electric circuits ARE ANY LIGHTS GLOWING CHECK ELECTRIC SUPPLY UNIT PLUGGED INTO PROPER RECEPTACLE CHECK RESET CIRCUIT BREAKER CHECK FUSES IF APPLICABLE REPAIR CAUSE OF BLOWN FUSE AND REPLACE FUSE S CAN FILL SOLENOID BE HEARD OR FELT TO ACTIVATE CHECK VOLTAGE AT TERMINALS OF SOLENOID IS VOLTAGE PRESENT DURING BREW CHECK WIRING AND SWITCH FUNCTION VOLTAGE AVAILABLE AT BREW SWITCH VOLTAGE AT TIMER WHEN BREW SWITCH PUSHED TIMER M
17. RUCTION TOO MUCH WATER FOR BREW IN POUR OVER OPENING POUR IN ONLY EXACT AMOUNT OF WATER REQUIRED FOR BREW TOO LITTLE WATER FOR BREW IS WATER LEAKING FROM BREWER CABINET IN POUR OVER OPENING POUR IN ONLY EXACT AMOUNT OF WATER REQUIRED FOR BREW CHECK TANK LID PROPERLY INSTALLED WITH GASKET UNDAMAGED CHECK SILICONE HOSES FOR PROPER CONNECTION UNDAMAGED TROUBLESHOOTING GUIDE continued FAUCET WATER SYSTEM NO WATER FROM FAUCET IS BREWER OPERATIONAL OTHERWISE CHECK WATER SUPPLY FOR PRESSURE AND VOLUME IS FAUCET VALVE TURNED ON TURN VALVE ON ADJUST FOR FLOW IS FAUCET AERATOR CLEAR CLEAN FAUCET TURN FAUCET VALVE OFF REMOVE FAUCET SLOWLY TURN VALVE ON DOES WATER FLOW FROM FAUCET SUPPLY TUBE BE CERTAIN MAIN WATER SUPPLY IS ON REPLACE HOT WATER COIL REPAIR OR REPLACE FAUCET 16 TROUBLESHOOTING GUIDE continued FAUCET WATER SYSTEM FAUCET WATER TOO COOL IS BREWER TEMP OK AFTER DRAWING WATER FROM FAUCET BREW WATER WILL BE MOMENTARILY COOLER DRAWING MORE THAN ONE CUP OF WATER FROM THE FAUCET AT ONE TIME CAN SIGNIFICANTLY REDUCE BOTH BREWAND FAUCET WATER TEMPERATURES ADJUST BREW WATER TEMP SETPOINT IS FAUCET TEMP SIGNIFICANTLY LOWER THAN BREWER TEMP WATER IN THE FAUCET COIL IS HEATED BY ABSORBING HEAT FROM THE BREW WATER FAUCET TEMP WILL NEVER EXCEED THE TEMP OF THE BREW WATER DELIME WATER TANK SCALE BUILD UP WILL INSU
18. T S 25 REPLACE READY TO BREW LIGHT OR BREW SWITCH 25 DELIME WATER TANK ses 26 INSTALLATION READ THIS CAREFULLY BEFORE STARTING THE INSTALLATION IMPORTANT To enable the installer to make a quality installation and to minimize installation time the following suggestions and tests should be done before the actual unit installation is started CAUTION ELECTRICAL DAMAGE DO NOT plug in or energize this appliance until all Installation Instructions are read and followed Damage to the Brewer will occur if these instructions are not followed CAUTION UNSTABLE EQUIPMENT HAZARD It is very important for safety and for proper operation that the brewer is level and stable when standing in its final operating position Provided adjustable non skid legs must be installed at each corner of the unit Failure to do so will result in movement of the brewer which can cause personal Injury and or damage to brewer NOTE Water supply inlet line must meet certain minimum criteria to insure successful operation of the brewer Bloomfield recommends 1 4 copper tubing for installation of less than 12 feet and 3 8 for more than 12 feet from a 1 2 water supply line This general information may not apply to all models Refer to the owners manual and any technical data sheets for your specific equipment for additional information PREPARATION
19. another brew cycle NOTE Water for the hot water faucet is heated in a coil inside of the water tank Use of the faucet will not affect the volume of water delivered for a brew However overuse of the faucet during a brew may lower the temperature of the brew water CAUTION Burn Hazard Exposed surfaces of the brewer brew chamber and decanter may be HOT to the touch and can cause serious burns E 1L7 CAUTION Burn Hazard To avoid splashing or over flowing hot liquids ALWAYS place an empty decanter under the brew chamber before starting the brew cycle Failure to comply can cause serious burns a CAUTION A Burn Hazard After a brew cycle brew chamber contents are HOT Remove the brew chamber and dispose of used grounds with care Failure to comply can cause serious burns ko IMPORTANT Before operating the brewer for the first time the tank must be filled with water BEFORE connecting to electric power Place an empty decanter under the brew head then pour decanters of water into the pour over opening until water flows from the brew head CLEANING INSTRUCTIONS PROCEDURE Clean Coffee Brewer CAUTION BURN HAZARD Brewing and serving temperatures of coffee are extremely hot Hot coffee will cause serious skin burns CAUTION SHOCK HAZARD Do not submerge or immerse brewer in water IMPORTANT DO NOT use steel wool sharp objects or caustic
20. ble in reverse order REPLACE THERMOSTAT Unplug brewer or turn circuit breaker OFF Turn OFF water supply Remove top panel Disconnect all wiring from thermostat only Loosen and free jam nut from pass thru fitting securing temperature sensing bulb Remove two screws holding thermostat to bracket Lift out thermostat sensing bulb and thermostat gasket Reassemble in reverse order REPLACE HEATING ELEMENT Remove tank lid assembly per above Remove two hex nuts holding element to cover Pull element from mounting holes Reassemble in reverse order 23 IMPORTANT Water pressure must be between 20 p s i and 90 p s i flowing pressure If water pressure exceeds this value or if water pressure varies greatly a pressure regulator must be installed in the water supply line IMPORTANT Before setting assembly into tank make sure tank lid gasket is properly seated on flange of lid DO NOT OVER TIGHTEN IMPORTANT When mounting thermostat be sure a new seal washer is placed below the fitting on the capillary line Push sensing bulb thru tank lid until fitting seats Tighten capillary lock nut only enough to ensure no water leakage Excessive tightening is not necessary IMPORTANT When replacing heating element also replace seal gaskets SERVICING INSTRUCTIONS continued 7 16 for BRAIDED HOSE 5 8 for VALVE FLARE FITTING P N 86660 Braided Hose Wrench BYPASS OUTLET WHITE gt gt
21. ght is lit Place the appropriate EMPTY decanter in place under the brew chamber Fill a decanter with tap water Lift the pour over cover and pour the entire contents of the decanter into the pour over opening which will fill the basin Water from the basin will displace a like amount of heated water from the tank The hot water will be forced into the brew head where it will spray over the bed of grounds Freshly brewed coffee will begin to fill the container under the brew chamber When the flow and all dripping stops the coffee is ready to serve Discard the contents of the brew chamber Rinse the brew chamber in a sink When the READY TO BREW light glows the brewer is ready for another brew cycle AUTOMATIC OPERATION BE sure READY TO BREW light is lit Place an EMPTY decanter in place under the brew chamber Press the BREW switch The solenoid will open for an amount of time determined by the timer setting admitting a measured quantity of water into the basin Water from the basin will displace a like amount of heated water from the tank The hot water will be forced into the brew head where it will spray over the bed of grounds Freshly brewed coffee will begin to fill the decanter under the brew chamber When the coffee flow and all dripping stops the coffee is ready to serve Discard the contents of the brew chamber and rinse it in a sink When the READY TO BREW light glows the brewer is ready for
22. he brewer without water in the tank is NOT COVERED BY WARRANTY ELECTRICIAN S INSTALLATION INSTRUCTIONS REFER TO ELECTRICAL SPECIFICATIONS provided in the Owner s Manual specification sheet and on the nameplate Some models are equipped with a cord and plug They require 1 A circuit that meets or exceeds the electrical requirements 2 properly installed and grounded receptacle configured to match the brewer plug Some models are designed to be connected directly to the electrical circuit They require 1 A circuit that meets or exceeds the electrical requirements 2 Conduit and fittings that meet applicable electrical codes 3 The ground lug of the brewer must be connected to a suitable electrical ground NOTE This equipment must be installed to comply with applicable federal state and local plumbing codes and ordinances WARNING SHOCK HAZARD Brewer must be properly grounded to prevent possible shock hazard DO NOT assume a plumbing line will provide such a ground Electrical shock will cause death or serious injury Ce IMPORTANT Supply power must match nameplate for voltage and phase Connecting to the wrong voltage will damage the brewer or result in decreased performance Such damage is not covered by warranty IMPORTANT The ground prong of the plug is part of a system designed to protect you from electrical shock in the event of internal damage Never cut off the ground prong nor twist a
23. he tank back into the brewer Reassemble the tank lid to NOTE Normally silicone the water tank Make sure the gasket is properly in place hoses do not need to be then reinstall the hold down strap delimed Should deliming hoses become necessary 8 Reinstall wiring to heating element and thermostat Reinstall Bloomfield recommends the hi limit thermostat if removed For brewers with hot replacing the hoses water faucet reassemble faucet piping Verify that all internal components are dry then reinstall the top panel 10 Reconnect brewer to electrical supply and for automatic brewers reconnect water supply 11 Install the brew chamber without filter paper or grounds Run at least three full brew cycles and discard all water generated 12 Brewer is ready to use 27
24. iner screen from solenoid Clean screen under faucet A stiff bristle brush may be used if necessary Reinsert screen in solenoid Be careful to maintain correct orientation The OPEN END of the screen goes in FIRST Reassemble in reverse order SOLENOID STRAINER note orientation DO NOT REVERSE WASHER INLET FITTING 24 SERVICING INSTRUCTIONS continued REPLACE TIMER ASSEMBLY Unplug power cord or turn circuit breaker OFF Remove front panel Remove knob and three screws holding timer to bracket Disconnect wiring to timer Reassemble in reverse order Adjust timer as described on page 13 REPLACE HOT WATER FAUCET COIL Symptom Brewer drips continuously from brew head except when faucet valve is turned OFF Remove tank lid assembly per above Remove two hex nuts hot water coil to cover Pull coil from mounting holes Reassemble in reverse order REPAIR HOT WATER FAUCET Remove top panel and turn faucet valve OFF Unscrew aerator cap from faucet and remove handle retaining clip Do not let faucet body turn Pull bonnet assembly from faucet body Examine the interior of the faucet body and the surface of the seat cup Clean out any debris in the faucet body using a stiff bristle brush if necessary Examine the aerator Clean any debris from the screen or flow straightener using a stiff bristle brush if necessary Reassemble in reverse order REPLACE BREW READY LIGHT or BREW BUTTON Unplug
25. it the pressure to not more than 90 PSI in order to avoid damage to lines and solenoid A water shut off valve should be installed on the incoming water line in a convenient location Use a low restriction type valve such as a 1 4 turn ball valve to avoid loss of water flow thru the valve The provided water line strainer must be installed in the supply line between the shutoff valve and inlet fitting Note FLOW arrow marking on strainer body INSTALLATION continued NSF requires that the brewer be able to be moved for cleaning underneath A flex line or loops of copper tubing will satisfy this requirement See Figure 2 below COPPER LOOPS OR FLEX LINES SOLENOID PROVIDED BY STRAINER SHUT OFF PROVIDED BY WATER INLET PLUMBER Ko TF FITTING F O VV gt L WATER SUPPLY Water Supply Installation In some areas local codes require a backflow preventer check valve to be installed on the inlet water line If a backflow preventer is used you must install a water hammer arrester in the incoming line between the backflow preventer and the brewer inlet as far away from the brewer as space will allow This will relieve the excessive back pressures that can cause faucet leaks and solenoid malfunctions IMPORTANT Tank must be full of water before connecting brewer to electrical power Heating elements will be damaged if allowed to operate without being fully submerged in water Damage caused by operating t
26. pproximately 10 F Refer to Table 1 below for proper brewing temperature based on altitude BOILING POINT OF WATER IDEAL BREWING TEMPERATURE MAXIMUM SAFE TEMPERATURE SETTING TP HOM OM PF PPO GO P WO HM 6 40 46 av a GF 2 amp ELEVATION feet above seal level Table 1 Boiling Temperature by Altitude Upon completion remove thermometer and reinstall vent tube 22 SERVICING INSTRUCTIONS continued TIMER ADJUSTMENT The amount of water dispensed automatically during a brew cycle is controlled by the timer Place empty decanter under brew chamber Press BREW button Brewer should dispense one decanter of water To adjust amount Remove brew chamber and button plug Adjust knob on timer clockwise increases time Run several cycles to check amount of water delivered Replace button plug REMOVE TANK LID ASSEMBLY Unplug brewer or turn circuit breaker OFF Turn OFF water supply Remove top panel Pull vent tube and inlet elbow out of basin pan Pull water inlet tube out of basin pan Remove basin pan On models with faucet disconnect inlet pipe at faucet shut off valve and outlet pipe at faucet Disconnect all wiring from thermostat hi limit and heating element Loosen center screw on tank hold down bracket Remove hold down bracket by sliding short slotted end off of locking stud and lifting it off Remove cover assembly by lifting it straight up Reassem
27. rinse with clean water Wipe the exterior with a soft clean cloth or sponge moistened with clean water Invert and allow to air dry Procedure is complete THEORY OF OPERATION WATER FLOW TANK VENT TUBE CO SOLENOID BREW CHAMBER INLET FITTING gt COLD WATER HOT WATER Typical Brew Water Delivery System POUR OVER FEATURE Pouring any amount of cold water into the pour over opening and into the basin pan forces an identical amount of hot water out of the tank and through the spray head into the brew chamber MANUAL o BREW AUTOMATIC OPERATION Pressing BREW button energizes the solenoid valve allowing water from an external water supply to flow into the basin pan and then into the hot water tank This forces an identical amount of hot water out of the tank and through the spray head into the brew chamber MANUAL BYPASS The solenoid uses a flow control device so that flow is consistent between 20 p s i and 90 p s i Length of time the solenoid is open is LA controlled by the timer Fig 5 Water Flow Diagram 7 THEORY OF OPERATION continued HOT WATER FAUCET HOT WATER FAUCET SHUT OFF VALVE FAUCET WATER HEATING COIL WATER amp x TANK COLD WATER V ET ne HOT WATER SOLENOID BYPASS SIDE Typical Hot Water Faucet System ee vy Y SOLENOID
28. s which require the use of tools unless you are qualified to do so Failure to heed this warning can result in electrical shock Electrical shock can cause death or serious Injury WARNING INJURY HAZARD All installation procedures must be performed by qualified personnel with full knowledge of all applicable electrical and plumbing codes Failure could result in personal injury and property damage WARNING ELECTRIC SHOCK HAZARD Brewer must be properly grounded to prevent possible shock hazard DO NOT assume a plumbing line will provide such a ground WARNING BURN HAZARD This appliance dispenses very hot liquid Serious bodily injury from scalding can occur from contact with dispensed liquids CAUTION SHOCK HAZARD Always disconnect the brewer fro electrical power before servicing or cleaning DO NOT submerge electrical equipment in water Avoid contaminating electrical components with water when cleaning the cabinet surfaces CAUTION BURN HAZARD Exposed surfaces of the appliance brew chamber airpot decanter or thermal server may be HOT to the touch and can cause serious burns CAUTION ELECTRICAL DAMAGE DO NOT plug in or energize this appliance until all Installation Instructions are read and followed Damage to the brewer will occur if these instructions are not followed gt gt POOO TABLE OF CONTENTS INSTALLATION PROCEDURES 2 BREWER OVERALL CHECKOLUTI
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