Bloomfield Coffeemaker 8540 User Manual

611  
BLOOMFIELD INDUSTRIES  
2 ERIK CIRCLE, P. O. Box 280  
Verdi, NV 89439  
OWNERS MANUAL  
For  
Customer Service (775) 345-0444 Ext.502  
fax: (775) 345-0569  
MODULAR  
BREWING SYSTEMS  
MODELS  
POUR OVER AUTOMATIC AUTOMATIC  
UNITS  
UNITS  
UNITS  
WITH FAUCET  
8542  
8543  
8571  
8541  
8573  
8540  
8572  
8574  
Includes:  
Installation  
Use & Care  
Servicing Instructions  
Model 8573 Brewers  
with optional  
8900-Series Glass Decanters  
p/n 75804 Rev. (-)  
M611 011802 cps  
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TABLE OF CONTENTS  
WARRANTY STATEMENT  
xi  
1
2
3
3
4
6
8
9
10  
11  
16  
18  
22  
Thank You for purchasing this  
Bloomfield Industries appliance.  
SPECIFICATIONS  
FEATURES & OPERATING CONTROLS  
PRECAUTIONS & GENERAL INFORMATION  
AGENCY APPROVAL INFORMATION  
INSTALLATION INSTRUCTIONS  
OPERATION  
Proper installation, professional  
operation and consistent  
maintenance of this appliance will  
ensure that it gives you the very  
best performance and a long,  
economical service life.  
BREWING COFFEE  
CLEANING INSTRUCTIONS  
TROUBLESHOOTING SUGGESTIONS  
SERVICING INSTRUCTIONS  
Deliming Instructions  
EXPLODED VIEWS & PARTS LISTS  
WIRING DIAGRAMS  
This manual contains the  
information needed to properly  
install this appliance, and to use,  
care for and maintain or repair the  
appliance in a manner which will  
ensure its optimum performance.  
SPECIFICATIONS  
WARMERS FAUCET VOLTS  
MODEL  
8540  
TYPE  
AMPS WATTS  
POWER  
CORD  
In-Line,  
Automatic,  
Plumbed-In  
1700W  
2
2
YES  
NO  
120VAC 1ø 14.1A  
NEMA 5-15P  
NEMA 5-15P  
1400Wk  
In-Line,  
Automatic,  
Plumbed-In  
1700W  
8541  
120VAC 1ø 14.1A  
1400Wk  
1600W  
1300Wk  
1700W  
In-Line,  
Pour-Over  
8542  
8543  
8571  
1
2
3
NO  
NO  
NO  
120VAC 1ø 13.3A  
120VAC 1ø 14.1A  
120VAC 1ø 15.0A  
NEMA 5-15P  
NEMA 5-15P  
NEMA 5-15P  
In-Lin,  
Pour-Over  
1400Wk  
1800W  
3-Station,  
Pour-Over  
1500Wk  
3-Station,  
Automatic,  
Plumbed-In  
1800W  
8572  
8573  
8574  
3
3
3
YES  
NO  
120VAC 1ø 15.0A  
120VAC 1ø 15.0A  
NEMA 5-15P  
NEMA 5-15P  
not provided  
1500Wk  
3-Station,  
Automatic,  
Plumbed-In  
1800W  
1500Wk  
3-Station,  
Automatic,  
Plumbed-In  
115/230VAC  
17.0A  
YES  
3700W  
1ø  
k Canadian brewers are 1500W maximum.  
NOTE: Beginning in late 2001, a new solenoid was introduced into this family of brewers. Early units  
were fitted with a metal solenoid, which may be rebuilt if required. Later units are fitted with a sealed  
nylon solenoid which is replaced as a unit. In this manual, units built prior to the changeover are  
designated as “old-style”. Units built after the changeover are designated as “new-style”.  
1
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FEATURES AND OPERATING CONTROLS  
Fig. 1 Features & Operating Controls  
2
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PRECAUTIONS AND GENERAL INFORMATION  
WARNING: Electric Shock Hazard  
All servicing requiring access to non-insulated components must be performed by qualified  
service personnel. Do not open any access panels which require the use of tools. Failure to  
heed this warning can result in electrical shock.  
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 property damage and  
personal injury.  
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. Electrical shock will cause death or serious Injury.  
WARNING: Burn Hazard  
This appliance dispenses very hot liquid. Serious bodily injury from scalding can occur from  
contact with dispensed liquids.  
This appliance is intended for commercial use only.  
CAUTION: Equipment  
Electrical Damage  
This appliance is intended for use to brew beverage products for  
human consumption. No other use is recommended or  
authorized by the manufacturer or its agents.  
DO NOT plug in or energize this  
appliance until all Installation  
This appliance is intended for use in commercial establishments, Instructions are read and followed.  
where all operators are familiar with the appliance use,  
limitations and associated hazards. Operating instructions and  
warnings must be read and understood by all operators and  
users.  
Damage to the Brewer will occur if  
these instructions are not followed.  
CAUTION:  
Burn Hazard  
Except as noted, this piece of equipment is made in the USA  
and has American sizes on hardware. All metric conversions  
are approximate and can vary in size.  
Exposed surfaces of the  
appliance, brew chamber and  
decanter may be HOT to the  
touch, and can cause serious  
burns.  
The following trouble shooting, component views and parts lists  
are included for general reference, and are intended for use by  
qualified service personnel.  
This manual should be considered a permanent part of this  
appliance. The manual must remain with the appliance if it is  
sold or moved to another location.  
AGENCY APPROVAL INFORMATION  
These brewer are  
listed under UL file E9253, and  
listed under LR21315.  
LR21315  
E9253  
This brewer meets  
Standard 4 only when installed,  
operated and maintained in accordance with the enclosed  
instructions.  
STD 4  
3
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INSTALLATION INSTRUCTIONS  
READ THIS CAREFULLY BEFORE STARTING THE INSTALLATION  
IMPORTANT:  
REFER TO EXPLODED VIEWS PAGES 18 thru 22 FOR  
COMPONENT NAMES/NUMBERS  
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:  
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 (#33) and Spray Disk (#34)  
are properly installed.  
CAUTION: Equipment  
Electrical Damage  
LEVELING THE UNIT  
Verify that an adjustable leg is installed at each corner of the  
brewer.  
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.  
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.  
CAUTION: Unstable  
Equipment Hazard  
PLUMBER’S INSTALLATION INSTRUCTIONS  
Brewer should be connected to a POTABLE WATER, COLD  
WATER line. Flush water line before connecting to Brewer.  
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.  
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 limit the pressure to not more  
than 90 PSI in order to avoid damage to lines and solenoid.  
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 25 feet and 3/8" for  
more than 25 feet from a 1/2"  
water supply line.  
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.  
4
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INSTALLATION INSTRUCTIONS (continued)  
NOTE: This equipment must be  
installed to comply with  
applicable federal, state and  
local plumbing codes and  
ordinances.  
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.  
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.  
Fig. 2 Water Supply Installation  
New-style shown  
Electrical shock will cause death  
or serious injury.  
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: Do not connect  
brewer to electrical power until  
the tank is filled with water.  
Pour water into the pour-over  
opening until water flows from  
the brew head.  
IMPORTANT:  
ELECTRICIAN’S INSTALLATION INSTRUCTIONS  
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.  
REFER TO ELECTRICAL SPECIFICATIONS - Page 1  
Check the nameplate to determine correct electrical service  
required for the Brewer to be installed.  
IMPORTANT: Before connecting to electricity, make sure  
automatic brewers are connected to the water supply.  
All models (except 8574) are equipped with a cord and plug.  
They require a 115 - 125 volt 20 amp circuit (50/60 Hz, 2 wire  
plus ground, with NEMA 5-15R or 5-20R Receptacle).  
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  
blade to fit an existing receptacle. Contact a licensed electrician  
to install the proper circuit and receptacle.  
Model 8574 must be wired by an electrician, and requires a  
115/230V 20A circuit (50/60 Hz, 2 hot legs / 1 neutral leg, plus  
ground). Remove rear panel to gain access to terminal block.  
Green terminal must be connected to a suitable building ground.  
Circuit must be capable of 3800 Watts. See figure 3 at right.  
Fig. 3 115/240 Volt Terminal Block  
IMPORTANT: Wiring must be installed in approved solid or  
flexible conduit, and must be secured to the brewer with a strain  
relief (to be provided by the installer).  
5
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OPERATION  
Fig. 4 Brewer Operation Diagram  
IMPORTANT:  
A. START-UP  
Tank must be full of water  
before connecting brewer  
to electrical power.  
For initial start-up, or if the brewer has not been used for an  
extended period of time:  
Heating elements will be  
damaged if allowed to  
operate without being fully  
submerged in water.  
Damage caused by  
operating the brewer  
without water in the tank  
is NOT COVERED BY  
WARRANTY.  
Be sure spray disk and brew gasket are properly installed in the  
brew head.  
Be sure the water supply is properly connected and the water  
supply valve is turned ON.  
Be sure the WATER TANK IS FILLED  
BEFORE plugging the brewer into a receptacle, or otherwise  
connecting brewer to electrical power THE WATER TANK MUST  
BE FILLED. Place an empty decanter under the brew head. Lift  
the pour-over cover then pour warm tap water into the pour-over  
opening until water flows from the brew head. When water stops  
dripping from the brew head, empty the container.  
Once the tank is full of water, connect the brewer to electrical  
power. The heating elements will begin heating the water in the  
tank. When the water has reached the proper temperature, the  
“HEAT” light will go out.  
6
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OPERATION (continued)  
WATER HEATER  
HI-LIMIT  
THERMOSTAT  
Water temperature is sensed by a  
thermobulb inserted into the water tank. This  
temperature signal is fed to the thermostat,  
which controls line power to the heating  
element.  
THERMOBULB  
The setpoint temperature is adjustable at the  
thermostat.  
HEATER  
ELEMENT  
THERMOSTAT  
The element is protected from over-  
temperature by a hi-limit thermostat.  
Fig. 5 Heat Control Diagram  
WATER FLOW  
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.  
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  
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  
controlled by the timer.  
HOT WATER FAUCET  
The faucet water coil is submerged in the hot  
water tank and draws heat from the brew  
water. Water going to the water coil is not  
controlled by the solenoid valve.  
The faucet is at supply water pressure any  
time the faucet shut-off valve is OPEN.  
Fig. 6 Water Flow Diagram  
7
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BREWING COFFEE  
CAUTION:  
B. PREPARATION  
Burn Hazard  
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  
Exposed surfaces of the  
brewer, brew chamber and  
decanter may be HOT to  
the touch, and can cause  
serious burns.  
BREW  
CHAMBER  
Fig. 7 Brew Chamber  
CAUTION:  
C. POUR-OVER OPERATION  
Burn Hazard  
NOTE: Any Integrity™ brewer can be used in the pour-over mode.  
BE sure “READY TO BREW” light is lit.  
To avoid splashing or over-  
flowing hot liquids,  
Place the appropriate EMPTY decanter in place under the brew  
ALWAYS place an empty  
decanter under the brew  
chamber before starting  
the brew cycle. Failure to  
comply can cause serious  
burns.  
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.  
CAUTION:  
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.  
Discard the contents of the brew chamber. Rinse the brew  
chamber in a sink. When the ”HEAT” light goes out, the brewer is  
ready for another brew cycle.  
C. AUTOMATIC OPERATION  
BE sure “READY TO BREW” light is lit.  
Place an EMPTY decanter in place under the brew chamber.  
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.  
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. At the end  
of the brew cycle, plus an amount of time set to allow all water to  
drip out of the brew chamber, two beeps will sound. When the  
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 comes on, the brewer is ready  
for another brew cycle.  
8
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CLEANING INSTRUCTIONS  
CAUTION:  
Burn Hazard  
PROCEDURE: Clean Coffee Brewer  
PRECAUTIONS: Disconnect brewer from electric power.  
Allow brewer to cool.  
Brewing and serving  
temperatures of coffee are  
extremely hot.  
Hot coffee will cause  
serious skin burns.  
FREQUENCY:  
TOOLS:  
Daily  
Mild Detergent, Clean Soft Cloth or Sponge  
Bristle Brush.  
CAUTION:  
Electric Shock  
Hazard  
1. Disconnect brewer from electric power.  
Allow brewer to cool before cleaning.  
Do not submerge or immerse  
brewer in water.  
2. Remove and empty decanters.  
3. Remove and empty brew chamber.  
IMPORTANT:  
4. Remove the spray disk from the brew head (See figure 8):  
Press up on the spray disk ears, then turn the disk to the left  
to unlatch. Remove the gasket from inside the brew head.  
DO NOT use steel wool, sharp  
objects, or caustic, abrasive or  
chlorinated cleansers to clean  
the brewer.  
5. Wipe inside of brew head and area around the brew head  
with a soft clean cloth or sponge moistened with clean water.  
6. 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.  
7. 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. For  
stainless steel brew chambers, be sure the wire rack is  
properly reinstalled.  
8. Wipe the exterior of the brewer with a soft clean cloth or  
sponge moistened with clean water.  
10. Reinstall the gasket INSIDE the brew head, then reinstall the  
spray disk.  
11. Reinstall the brew chamber.  
12. Decanters may be washed in a dishwasher or sink.  
Fig. 8 Cleaning  
Procedure is complete  
9
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TROUBLESHOOTING SUGGESTIONS  
SYMPTOM  
POSSIBLE CAUSE  
SUGGESTED REMEDY  
Water won’t heat  
Brewer unplugged or circuit  
breaker tripped  
Check power supply cord  
Check / reset circuit breaker  
Thermostat set too low  
Set for desired temperature  
Hi-Limit thermostat tripped  
Allow to cool  
Reset hi-limit (8786, 8788)  
Damaged internal component or Examine wiring & connectors,  
wiring  
thermostat and heating element  
Repair/replace as needed  
Pourover - no water or too little  
water added at startup  
Be sure to add sufficient water  
Coffee level low (pour-over)  
Not enough water poured in  
Too much coffee grounds  
Timer out of adjustment  
Increase water amount  
Adjust amount of grounds  
Adjust timer  
Coffee level too high or low  
(automatic)  
Brew chamber overflows  
Too many filter papers or wrong Use one (1) genuine Bloomfield  
filter paper  
filter per brew  
Brew chamber dispense hole  
plugged  
Thoroughly clean brew chamber  
Too much coffee or too fine a  
grind  
Adjust coffee amount and grind  
Sprays water from brew head  
No brew (automatic)  
Spray gasket improperly  
installed  
Check/reinstall gasket on  
INSIDE of brew head  
Spray disk plugged  
Clean spray disk  
Water supply OFF  
Turn water supply ON  
Clean strainer (see pg. 14)  
Replace filter element  
Replace switch  
Water line strainer plugged  
Water filter (if used) plugged  
Bad BREW switch  
Damaged internal component or Examine wiring & connectors,  
wiring  
brew switch and solenoid  
Repair/replace as needed  
No flow from hot water faucet  
Poor coffee quality  
Faucet valve turned OFF  
Faucet plugged  
Turn faucet valve ON  
Disassemble faucet, clean  
Adjust water temp 195-205ºF  
Water not hot enough  
Keep brewer, airpots and servers clean. Install a taste and odor  
filter in water supply, and replace cartridges regularly.  
Use a quality coffee with a consistent roast. Use proper grind and  
amount of coffee per brew.  
10  
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SERVICING INSTRUCTIONS  
ACCESS PANELS  
CAUTION  
Electric Shock  
Hazard  
Each warmer plate has a center stud which screws into a  
bracket. Remove warmer plates by turning counter-clockwise.  
Opening access panels or  
removing warmer plates on this  
brew may expose uninsulated  
electrical components.  
Disconnect brewer from  
electrical power before  
removing any panel or warmer  
plate.  
Solenoid door is held by two screws and a retaining lip.  
Front Panel (In-Line Models) and Top / Rear Panel (3-Station  
Models):  
a. Remove warmer plate by turning counter-clockwise  
until it unscrews.  
b. Remove screws from two retaining clips under  
warmer plate.  
c. Lift off panel.  
Front Panel (3-Station Models):  
a. Remove warmer plates by turning counter-clockwise  
until they unscrew.  
b. Remove screws from two retaining clips under each  
warmer plate.  
c. Remove three screws from bottom-side of front lip.  
d. Pull bottom of panel forward until it clears.  
Top Panel (All Models):  
a. Remove two screws from rear of top panel.  
b. Lift rear of panel, remove to rear.  
Fig. 9 Access Panels  
11  
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SERVICING INSTRUCTIONS (continued)  
CAUTION  
Electric Shock  
Hazard  
TEMPERATURE ADJUSTMENT  
Unplug power cord or turn circuit breaker OFF. Remove top  
panel.  
These procedures involve  
exposed electrical circuits.  
These procedures are to be  
performed by qualified  
Pull vent tube out of tank lid and insert a thermometer of known  
accuracy in vent hole. Reconnect brewer to electrical power.  
technical personnel only.  
DIAL-TYPE  
THERMOMETER  
IN VENT HOLE  
THERMOSTAT  
ADJUSTING  
SHAFT  
TANK LID  
ASSEMBLY  
Fig. 10 Checking and Adjusting Brew Temperature  
NOTE:  
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.  
Optimum brewing temperature  
range is 195ºF to 205ºF (90ºC  
to 96ºC).  
IMPORTANT:  
Adjust thermostat by turning shaft; clockwise increases  
temperature. 1/8 turn = approximately 10ºF.  
Refer to Table 1 below for proper brewing temperature based on  
altitude.  
A mechanical thermostat will  
maintain temperature within  
±10ºF. To prevent boiling water  
in the brewer, thermostat should  
be adjusted to a maximum  
temperature equal to the local  
boiling temperature minus 10ºF.  
BOILING  
POINT OF  
WATER  
210  
205  
200  
IDEAL  
BREWING  
TEMPERATURE  
MAXIMUM SAFE  
TEMPERATURE  
SETTING  
195  
190  
ELEVATION (feet above seal level)  
Table 1 Boiling Temperature by Altitude  
Upon completion, remove thermometer and reinstall vent tube.  
12  
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SERVICING INSTRUCTIONS (continued)  
TIMER ADJUSTMENT  
IMPORTANT: Water pressure  
must be between 20 p.s.i and  
The amount of water dispensed automatically during a brew cycle  
is controlled by the timer.  
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.  
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.  
IMPORTANT: Before setting  
assembly into tank, make sure  
tank lid gasket is properly  
seated on flange of lid.  
Pull water inlet tube out of basin pan. Remove basin pan.  
DO NOT OVER-TIGHTEN.  
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.  
Reassemble in reverse order.  
REPLACE THERMOSTAT  
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.  
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.  
Tighten capillary lock nut only  
enough to ensure no water  
leakage. Excessive tightening  
is not necessary.  
Lift out thermostat, sensing bulb and thermostat gasket.  
Reassemble in reverse order.  
REPLACE HEATING ELEMENT  
IMPORTANT: When replacing  
heating element, also replace  
seal gaskets.  
Remove tank lid assembly per above.  
Remove two hex nuts holding element to cover. Pull element  
from mounting holes.  
Reassemble in reverse order.  
13  
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SERVICING INSTRUCTIONS (continued)  
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.  
A. (OLD-STYLE)  
Remove hex nut holding inlet fitting into back of brewer.  
Remove two screws holding access door in place. Remove  
access door. Remove front panel.  
On faucet models, remove flare connection from “tee” inlet  
fitting.  
Push solenoid forward slightly and lift to release it from  
bracket.  
Disconnect wiring and remove rubber tubing from solenoid.  
Remove fittings from old solenoid and transfer to new  
solenoid. If necessary, replace flow control at this time.  
B. (NEW-STYLE)  
Unscrew water inlet fitting from solenoid.  
Remove two screws holding access door in place. Remove  
two screws holding solenoid to door.  
Remove brew water tube from solenoid. On faucet models,  
remove faucet water tube from bypass side of solenoid by  
pressing the white ring portion of the tube fitting tightly  
against the metal portion while pulling the tube off of the  
solenoid.  
Disconnect wiring from solenoid.  
Transfer solenoid bracket to new solenoid.  
Reassemble in reverse order.  
CLEAN SOLENOID SCREEN (NEW-STYLE)  
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 strainer 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.)  
Fig. 11 Clean Strainer Screen  
Reassemble in reverse order.  
14  
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SERVICING INSTRUCTIONS (continued)  
REPLACE TIMER ASSEMBLY  
IMPORTANT: When replacing  
water faucet coil, also replace  
seal gaskets.  
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.  
NOTE: Any abrasion or  
roughness on the flat end of the  
seat cup will require replacing  
the seat cup:  
Remove tank lid assembly per above.  
Remove two hex nuts hot water coil to cover. Pull coil from  
mounting holes.  
Work the seat cup out of the  
bonnet and off of the end of the  
stem.  
Reassemble in reverse order.  
REPAIR HOT WATER FAUCET  
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.  
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 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.  
15  
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SERVICING INSTRUCTIONS (continued)  
CAUTION -  
CHEMICAL BURN  
HAZARD  
PROCEDURE: Delime the Water Tank  
PRECAUTIONS: Disconnect brewer from electric power.  
Allow brewer to cool.  
Deliming chemicals are caustic.  
Wear appropriate protective  
gloves and goggles during this  
procedure.  
Never siphon deliming  
chemicals or solutions by  
mouth.  
FREQUENCY:  
TOOLS:  
As required (Brewer slow to heat)  
Deliming Solution  
Protective Gloves, Goggles & Apron  
Mild Detergent, Clean Soft Cloth or Sponge  
Bristle Brush, Bottle Brush  
This operation should only be  
performed by qualified and ex-  
perienced service personnel.  
Large Sink (or other appropriate work area)  
1. Disconnect brewer from the electrical supply. Turn off the  
water shut-off valve and disconnect the water supply line  
from the brewer inlet fitting.  
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.  
2. Remove the tank lid assembly as described on page 13.  
3. 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.  
IMPORTANT: DO NOT allow  
any internal components to  
come into contact with the  
deliming solution. Take care to  
keep all internal components  
dry.  
4. 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.  
5. 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 .  
NOTE: Repeat steps 4 thru 5  
as required to remove all scale  
and lime build-up.  
6. 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.  
16  
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SERVICING INSTRUCTIONS (continued)  
7. Set the tank back into the brewer. Reassemble the tank lid to  
NOTE: Normally, silicone  
hoses do not need to be  
delimed. Should deliming  
hoses become necessary,  
Bloomfield recommends  
replacing the hoses.  
the water tank. Make sure the gasket is properly in place,  
then reinstall the hold-down strap.  
8. Reinstall wiring to heating element and thermostat. Reinstall  
the hi-limit thermostat (if removed). For brewers with hot  
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.  
17  
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EXPLODED VIEW & PARTS LIST  
CABINET & RELATED COMPONENTS  
18  
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EXPLODED VIEW & PARTS LIST (continued)  
USED ON  
ITEM PART NO.  
DESCRIPTION  
1
8700-16  
8875-149  
8543-80  
8543-23  
8543-69  
8543-42  
82727  
Warmer Cover Plate, Black  
Warmer Cover Plate, Brown  
Clip, Panel Retaining  
Tinnerman Nut, #8 (not shown)  
Heyco Bushing  
Spray Head Gasket  
Spray Disk  
All  
All  
All  
All  
All  
All  
All  
4
20  
23  
33  
34  
34a  
35  
8543-45  
8572-34  
85089  
8574-10  
8810-12  
8033-60  
8033-55  
8033-56  
81732  
8706-75  
8572-13  
8512-56  
8542-6  
8543-46  
8543-49  
8541-21  
8543-29  
8542-110  
8543-160  
8541-160  
8572-110  
8571-20  
8542-25  
8540-25  
8571-13  
8572-33  
Spray Head Retainer  
Door, Solenoid Access (Old-Style)  
Door, Solenoid (New-Style)  
Cover, Electric  
Button Plug (Non-faucet)  
Button Plug (Hi-Limit)  
Leveler, Adjustable Leg  
Cap, Adjustable Leg  
Adjustable Leg Assembly  
Button Plug (Timer)  
All  
8540, 8541, 8572, 8573 & 8574  
8540, 8541, 8572, 8573 & 8574  
38  
47  
47a  
48  
8574  
8541, 8542, 8543, 8571, & 8573  
8574  
All  
All  
All  
70  
101  
102  
8540, 8541, 8572, 8573 & 8574  
Top Assembly  
All  
Basin Cover Assy (w / Warmer)  
Basin Cover Assy (no Warmer)  
Reservoir Cover  
Reservoir Cover Hinge Wire  
Basin Pan (Automatic)  
Basin Pan (Pour-Over)  
Basin Front Label  
Basin Front Label  
Basin Front Label  
Basin Front Label  
Basin Front Label  
8540, 8541, 8543  
8542, 8571, 8572, 8573 & 8574  
103  
104  
108  
All  
All  
8540, 8541, 8572, 8573 & 8574  
8542, 8543, 8571  
8542  
110  
111  
112  
8543  
8540 & 8541  
8572, 8573 & 8574  
8571  
Bottom Assembly (In-Line Pour-Over) 8542 & 8543  
Bottom Assembly (In-Line Automatic)  
Bottom Assy (3-Station Pour-Over)  
Bottom Assy (3-Station Automatic)  
Bottom Assy (3-Station Automatic)  
Panel, Front  
8540 & 8541  
8571  
8572 & 8573  
8574  
8541-155  
8543-48  
8571-3  
8540 & 8541  
8542 & 8543  
Panel. Front  
Panel, Front  
8571  
8572-10  
8718-61  
8752-66  
8942-6B  
8942-6  
Panel, Front  
8572, 8573 & 8574  
8540, 8541, 8542 & 8543  
8571, 8572, 8573 & 8574  
114  
200  
Panel, Bottom Plate (In-line)  
Panel, Bottom Plate (3-Station)  
Brew Chamber, Black  
All  
All  
All  
All  
All  
All  
Brew Chamber, Brown  
8707-6  
Brew Chamber, Stainless  
Brew Chamber, Portion Pack, Black  
Brew Chamber, Portion Pack, Brown  
Filter Paper (case of 1000)  
8766-11  
8942-6PP  
POF  
201  
19  
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EXPLODED VIEW & PARTS LIST (continued)  
HOT WATER TANK ASSEMBLY  
ITEM PART NO.  
DESCRIPTION  
USED ON  
13  
50  
52  
54  
56  
58  
59  
60  
61  
62  
8043-5  
Hold Down Strap  
Thermostat  
Seal Washer  
Tank Cover Gasket  
Seal Gasket  
Hot Water Coil  
Inlet Elbow  
Vent Tube  
Outlet Elbow  
Tank Cover (Plate Only, 6 holes)  
Tank Cover (Plate Only, 8-holes)  
Hi-Limit Thermostat (120V)  
Hi-Limit Thermostat (240V)  
Water inlet Tube  
Heating Element (120V, 1500W)  
Heating Element (240V, 3500W)  
Tank Body  
All  
All  
All  
All  
8512-51  
8512-41  
8043-12  
8043-30  
8540-6  
All  
8540, 8572, 8574  
All  
All  
All  
8541, 8542, 8543, 8571, 8573  
8540, 8572, 8574  
All, except 8574  
8574  
8043-8  
8043-15  
8043-11  
8512-45  
8514-68  
8043-83  
8552-50  
8043-24  
8043-14  
8716-1  
63  
66  
67  
All  
All, except 8574  
8574  
All  
68  
70  
8043-10  
80625  
Bracket, Hi-Limit  
8574  
COMPLETE  
SPARE  
TANK COVER  
8543-300  
Spare Cover Assembly (120V, 1500 W  
No Coil - all parts mounted to cover)  
8541WF-300 Spare Cover Assembly (120V, 1500W  
With Coil - all parts mounted to cover)  
ASSEMBLY  
20  
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EXPLODED VIEW & PARTS LIST (continued)  
ELECTRICAL COMPONENTS  
ITEM  
PART NO.  
DESCRIPTION  
USED ON  
2
30  
31  
8572-18  
6710-23  
8572-24  
8707-55  
8718-31  
6407-15  
8552-18  
35-210  
8718-1  
8541-120  
83612  
84455  
8512-51  
8043-83  
8552-50  
8043-14  
8716-1  
Warmer Element, 120V 100W  
Warmer ON/OFF Switch  
BREW Switch, push-button  
BREW SWITCH, momentary rocker  
READY TO BREW Indicator Light  
Cord & Cap Assembly, NEMA 5-15P  
Terminal Block, 4P  
All  
All  
8572, 8573, 8574  
8540, 8541  
32  
36  
36t  
37  
39  
45  
All  
All, except 8574  
8574  
Strain Relief  
All, except 8574  
8540, 8541, 8572, 8573, 8574  
8540, 8541, 8572, 8573, 8574  
8541 & 8573  
8540, 8572, 8574  
All  
All, except 8574  
8574  
All, except 8574  
8574  
Timer, 2 Minute w/dial & knob  
Solenoid Valve (Old-Style)  
Solenoid Valve (new-style, single)  
Solenoid Valve (new style w/bypass)  
Thermostat  
50  
63  
Hi-Limit Thermostat  
Hi-Limit Thermostat, Manual Reset  
Heating Element, 120V 1500W  
Heating Element, 240V 3500W  
67  
SOLENOID REPAIR KITS (OLD-STYLE SOLENOID ONLY)  
8541-120CS  
8541-120K  
Coil Assembly (item 45-1)  
Solenoid Repair Kit (includes items 45-2 Spring,  
45-3 Plunger & x45-4 Seal Ring)  
Solenoid Repair Kit (includes items 45-2 Spring,  
45-3 Plunger & 45-4 Seal Ring  
plus 45t Service Wrench)  
Solenoid Repair Kit (includes items 45-2 Spring,  
45-3 Plunger, 45-4 Seal Ring  
8541-120JS  
8541-120KS  
& x45-5 Flow Control plus  
45t Service Wrench)  
Flow Control (item 45-5 includes  
45-6 Retainer Ring  
8541-120F  
& 45-7 Flow Control Washer)  
8541-120R  
8541-120FW  
8541-120-WS  
Flow Control Washer Retaining Ring (item 45-6)  
Flow Control Washer (item 45-7)  
Service Wrench (item 45t)  
SOLENOID REPAIR KITS (NEW-STYLE SOLENOID ONLY)  
83612  
84455  
85218  
85219  
Solenoid Complete, Single  
Solenoid, Complete, with Bypass  
Inlet Fitting Kit (items 45-10, 45-11, 45-12, 45-13)  
Inlet Strainer (item 45-13)  
21  
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EXPLODED VIEW & PARTS LIST (continued)  
INTERNAL PLUMBING COMPONENTS  
ITEM  
8
9
10  
11  
12  
PART NO.  
8540-3  
8540-4  
DESCRIPTION  
USED ON  
Faucet Outlet Tube Assembly  
Formed Inlet Tube Assembly  
1/4“ Male Flare x 1/8” FPT  
Needle Valve (Faucet Shut-Off)  
Inlet Tube Assembly (old-style)  
Braided Hose (new-style)  
Adapter Fitting (old-style)  
Elbow  
Basin Pan (Automatic)  
Basin Pan (Pour-Over)  
Sprayer Elbow  
Hex Lock Nut  
7/16“ Lock Washer  
8540, 8572 & 8574  
8540, 8572 & 8574  
8540, 8572 & 8574  
8540, 8572 & 8574  
8540, 8572 & 8574  
8540, 8572 & 8574  
8540, 8541, 8572, 8573 & 8574  
8540, 8541, 8572, 8573 & 8574  
8540, 8541, 8572, 8573 & 8574  
8542, 8543, 8571  
All  
8540, 8572 & 8574  
8540, 8572 & 8574  
8540, 8572 & 8574  
8540, 8572 & 8574  
All  
8551-30  
8514-26  
8572-20  
84461  
8941-20  
8540-30  
8541-21  
8543-29  
8043-13  
82680  
8551-100B  
82681  
82556  
8543-42  
82727  
15  
18  
19  
25  
26  
27  
28  
29  
33  
34  
Washer  
Faucet Assembly  
Spray Head Gasket  
Spray Disk  
All  
34a  
8543-45  
8541-93  
8551-35  
8541-46  
8541-48A  
8541-120  
83612  
84455  
8706-102  
8043-8  
Spray Head Retainer  
Inlet Fitting, Straight (old-style)  
Coil Inlet “Tee” Fitting (old-style)  
Water Inlet Tube  
All  
40  
42  
43  
44  
45  
8541 & 8573  
8540, 8572 & 8574  
8540, 8541, 8572, 8573 & 8574  
Elbow 1/4“ Male Flare x 1/4” FPT (old-style) 8540, 8541, 8572, 8573 & 8574  
Solenoid Valve (old-style)  
Solenoid Valve, Single (new-style)  
Solenoid Valve w/ Bypass (new-style)  
Adapter Fitting (old-style)  
Inlet Elbow  
8540, 8541, 8572, 8573 & 8574  
8541 & 8573  
8540, 8572 & 8574  
8540, 8541, 8572, 8573 & 8574  
46  
59  
60  
61l  
All  
All  
All  
8043-15  
8043-11  
Vent Tube  
Outlet Elbow  
FAUCET REPAIR KITS  
82573  
82575  
82576  
Handle (item 18a)  
Seat Cup (item 18c)  
Faucet Repair Kit (Includes 18a Handle, 18c Seat Cup, 18d Spring, 18h Stem,  
18j Pin & 18k Bonnet  
Retainer Clip (item 18b)  
Aerator Replacement Kit (Includes 18e O-Ring, 18f Aerator Disk & 18g Aerator Cap  
Aerator Repair Kit (Includes 18e O-Ring & 18f Aerator Disk)  
82682  
84804  
84870  
22  
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WIRING DIAGRAMS  
23  
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WIRING DIAGRAM  
24  
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WIRING DIAGRAM (continued)  
25  
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Bloomfield Industries, Inc.  
Division of Carrier Refrigeration  
PO. Box 280 Verdi, NV. 89439  
Telephone (775)345-0444 Fax (888)492-2783  
Service: (888)492-2782  
Bloomfield Industries Canada Limited  
Division of Carrier Refrigeration  
5850 Keaton Cresent  
Mississauga, Ontario, Canada L5R 3K2  
Telephone (905)507-1700 Fax (905)507-1777  
Toll Free (877)507-1700  
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