Bloomfield Coffeemaker 0412 User Manual

685  
OWNERS MANUAL  
For  
COFFEE BREWERS  
MODELS:  
0412 Decanter (In-Line)  
0443 Decanter (In-Line  
Pour-Over)  
0471 Decanter (Step-up  
Pour Over)  
0472 Decanter (Step-Up)  
Model: 0482 Airpot Brewer  
0482 Airpot/Thermal  
Server  
Includes:  
Model: 0443 Pour-Over  
Decanter Brewer  
Installation  
Operation  
Use & Care  
Servicing Instructions  
Model: 0412 In-Line  
Decanter Brewer  
Model: 0472 Stepped –Right  
Decanter Brewer  
PRINTED IN CHINA  
p/n 77110 Rev.D ECN-12903  
M685 050809 cps  
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TABLE OF CONTENTS  
WARRANTY STATEMENT  
SPECIFICATIONS  
FEATURES & OPERATING CONTROLS  
Thank You for purchasing this  
Bloomfield Industries appliance.  
xi  
1
2
Proper installation, professional  
operation and consistent  
PRECAUTIONS & GENERAL INFORMATION 3  
AGENCY LISTING INFORMATION  
INSTALLATION INSTRUCTIONS  
OPERATION  
4
5
8
maintenance of this appliance will  
ensure that it gives you the very  
best performance and a long,  
economical service life.  
BREWING COFFEE  
9
CLEANING INSTRUCTIONS  
TROUBLESHOOTING SUGGESTIONS  
SERVICING INSTRUCTIONS  
Deliming Instructions  
EXPLODED VIEW & PARTS LIST  
WIRING DIAGRAMS  
10  
11  
12  
17  
18  
26  
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  
AMPS  
1ø  
POWER SUPPLY  
CORD  
MODEL  
STYLE  
FEATURES VOLTS WATTS  
0412  
1800  
15.0  
12.5  
14.2  
11.6  
15.0  
12.5  
15.0  
12.5  
15.0  
12.5  
AUTOMATIC  
DECANTER  
IN-LINE  
3 WARMER  
120  
NEMA 5-15P  
NEMA 5-15P  
NEMA 5-15P  
NEMA 5-15P  
NEMA 5-15P  
FAUCET  
1500  
k0412CA  
0443  
1700  
POUR-OVER  
DECANTER 2 WARMER  
IN-LINE  
120  
120  
120  
120  
1400  
1800  
1500  
1800  
1500  
1800  
1500  
k0443CA  
0471  
POUR-OVER  
DECANTER 3 WARMER  
STEP-UP  
k0471CA  
0472  
AUTOMATIC  
3 WARMER  
DECANTER  
FAUCET  
STEP-UP  
k0472CA  
0482  
AUTOMATIC  
FAUCET  
AIRPOT  
k0482CA  
k meets Canadian Standards  
APPLICABILITY  
This manual applies to the following Bloomfield Industries products:  
0412  
0443  
0471  
0472  
0482  
1
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FEATURES AND OPERATING CONTROLS - AUTOMATIC BREWERS  
Fig. 1 Features & Operating Controls for Automatic Brewers  
2
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FEATURES AND OPERATING CONTROLS - POUR-OVER BREWERS  
Fig. 2 Features & Operating Controls for Pour-Over Brewers  
3
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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:  
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  
Instructions are read and followed.  
Damage to the Brewer will occur if  
these instructions are not followed.  
This appliance is intended for use in commercial establishments,  
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.  
CAUTION:  
BURN HAZARD  
The following trouble shooting, component views and parts lists  
are included for general reference, and are intended for use by  
qualified service personnel.  
Exposed surfaces of the  
appliance, brew chamber and  
airpot ,decanter or thermal server  
may be HOT to the touch, and can  
cause serious burns.  
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 LISTING INFORMATION  
This brewer is  
and  
listed under UL file E9253.  
E9253  
E9253  
This brewer meets  
Standard 4 only when installed,  
operated and maintained in accordance with the enclosed  
instructions.  
STD 4  
4
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INSTALLATION  
READ THIS CAREFULLY BEFORE STARTING THE INSTALLATION  
Unpack the unit. Inspect all components for completeness and  
condition. Ensure that all packing materials have been removed  
from the unit.  
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:  
Verify that the Spray Head Gasket and Spray Disk are properly  
installed.  
LEVELING THE UNIT  
Verify that an adjustable leg is installed at each corner of the  
brewer.  
CAUTION:  
ELECTRICAL  
DAMAGE  
NOTE: Various combinations of legs and spacers are available  
for Model 0482 airpot brewer. The total combination of legs and  
spacers must be equal for all four corners.  
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  
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,  
feet or 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.  
5
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INSTALLATION (continued)  
READ THIS CAREFULLY BEFORE STARTING THE INSTALLATION  
CAUTION:  
ELECTRICAL  
DAMAGE  
PLUMBER’S INSTALLATION INSTRUCTIONS (AUTOMATIC  
BREWERS)  
Brewer should be connected to a POTABLE WATER, COLD  
WATER line. Flush water line before connecting to 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.  
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.  
IMPORTANT:  
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.  
Tank must be full of water  
before connecting brewer to  
electric power. Heating  
elements will be damaged if  
allowed to operate without  
being fully submerged in water.  
See instructions for filling tank,  
page 8.  
Damage caused by operating  
the brewer without water in the  
tank is NOT COVERED BY  
WARRANTY.  
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.  
NSF requires that the brewer be able to be moved for cleaning  
underneath. Loops of copper tubing will satisfy this requirement.  
See Figure 3 below.  
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.  
NOTE: This equipment must be  
installed to comply with  
applicable federal, state and  
local plumbing codes and  
ordinances.  
Fig. 3 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.  
6
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INSTALLATION (continued)  
ELECTRICIAN’S INSTALLATION INSTRUCTIONS  
WARNING:  
REFER TO ELECTRICAL SPECIFICATIONS - Page 1  
Check the nameplate to determine correct electrical service  
required for the Brewer to be installed.  
SHOCK HAZARD  
Brewer must be properly  
grounded to prevent possible  
shock hazard. DO NOT  
assume a plumbing line will  
provide such a ground.  
IMPORTANT: Before connecting to electricity, make sure  
automatic brewers are connected to the water supply.  
NOTE: Does not apply to 0443 and 0471 pour-over brewers.  
Electrical shock will cause death  
or serious injury.  
All models 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:  
See Figure 4 at right.  
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:  
Do not connect brewer to  
electrical power until you have  
filled the tank. See instructions  
on page 8.  
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.  
GROUND  
PIN  
NEMA 5-15R  
RECEPTACLE  
NEMA 5-15P  
PLUG  
Fig. 4 Power Supply Plug  
7
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OPERATION  
IMPORTANT:  
A. START-UP  
For initial start-up, or if the brewer has not been used for an  
TANK MUST BE FULL  
OF WATER BEFORE  
CONNECTING BREWER  
TO ELECTRIC POWER.  
extended period of time:  
Be sure spray disk and brew gasket are properly installed in the  
brew head.  
Heating elements will be  
damaged if allowed to  
operate without being  
fully submerged in water.  
Damage caused by  
Be sure the water supply is properly connected and the water  
supply valve is turned ON.  
Be sure the WATER TANK IS FILLED.  
operating the brewer  
without water in the tank  
is NOT COVERED BY  
WARRANTY.  
IMPORTANT: Fill the water tank before energizing this brewer.  
Automatic Units.  
See Figure 5 at left  
1. Insert the brew chamber (empty) and place an empty decanter or  
airpot in place under the brew chamber.  
2. Remove the FILL PLUG from the fill hole.  
NOTE: On Model 0412, insert provided funnel in the fill hole.  
3. Pour three (3) full decanters of water into the FILL HOLE. When  
water flows from the brew head, the tank is full.  
4. Reinstall FILL PLUG.  
5. Connect the unit to electrical power.  
6. Unit will begin heating water in preparation for the first brew.  
When the water has reached the proper temperature, the “READY”  
light will glow.  
Fig. 5 Fill the Tank  
(Automatic Units)  
Pour-Over Units.  
See Figure 6 at left  
1. Insert the brew chamber (empty) and place an empty decanter in  
place under the brew chamber.  
2. Open the POUR-OVER COVER.  
3. Pour three (3) full decanters of water into POUR-OVER OPENING.  
When water flows from the brew head, the tank is full.  
4. Close the POUR-OVER COVER.  
5. Connect the unit to electrical power.  
Unit will begin heating water in preparation for the first brew.  
When the water has reached the proper temperature, the “READY”  
light will glow.  
Fig. 6 Fill the Tank  
(Pour-Over Units)  
8
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BREWING COFFEE  
A. PREPARATION  
CAUTION:  
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.  
Exposed surfaces of the  
brewer, brew chamber,  
decanter and/or airpot may  
be HOT to the touch, and  
can cause serious burns.  
CAUTION:  
BURN HAZARD  
To avoid splashing or  
overflowing hot liquids,  
ALWAYS place an empty  
decanter or airpot under  
the brew chamber before  
starting the brew cycle.  
Failure to comply can  
cause serious burns.  
Fig. 7 Brew Chamber  
B. AUTOMATIC OPERATION  
Be sure “READY” light is lit.  
Place the appropriate EMPTY decanter or airpot 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 tank.  
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.  
Inlet water 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.  
C. POUR-OVER OPERATION  
Be sure “READY” light is lit.  
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.  
Place the appropriate EMPTY decanter in place under the brew  
chamber.  
Pour one (1) decanter of tap water into the pour-over opening.  
Be sure to close the POUR-OVER COVER.  
The added water 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.  
D. PREPARE FOR NEXT BREW  
Discard the contents of the brew chamber and rinse it in a sink.  
When the ”READY ” light glows, the brewer is ready for  
another brew cycle.  
9
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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, Bottle Brush  
CAUTION:  
SHOCK HAZARD  
1. Disconnect brewer from electric power.  
Allow brewer to cool before cleaning.  
Do not submerge or immerse  
brewer in water.  
2. Remove decanters or airpot.  
3. Remove and empty brew chamber.  
IMPORTANT:  
DO NOT use steel wool, sharp  
objects, or caustic, abrasive or  
chlorinated cleansers to clean  
the brewer, decanters or  
airpots.  
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.  
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.  
SPRAY HEAD  
GASKET  
SPRAY  
DISK  
LIFT EARS UP  
TURN LEFT  
TO REMOVE  
8. For Model 0782, wash the cup grid and cup grid well.  
Reinstall cup grid.  
Fig. 8 Cleaning  
9. 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. Clean decanters and airpots by filling with warm soapy water.  
Scrub the inside with a bottle brush. Empty and rinse with  
clean water. Wipe the exterior with a soft clean cloth or  
sponge moistened with clean water. Invert and allow to air  
dry.  
IMPORTANT: DO NOT submerge airpots in water.  
Procedure is complete  
10  
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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  
Temperature setpoint too low  
Hi-Limit safety switch tripped  
Set for desired temperature  
Allow to cool hi-limit will self-  
reset  
Damaged internal component  
or wiring  
Examine wiring & connectors,  
thermostat and heating element  
Repair/replace as needed  
Coffee level too high or low  
Brew chamber overflows  
Timer out of adjustment  
Adjust timer  
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  
Use correct grind and amount  
of coffee  
Sprays water from brew head  
No brew (faucet flows OK)  
Spray gasket improperly  
installed  
Check/reinstall gasket on  
INSIDE of brew head  
Spray disk plugged  
Clean spray disk  
Damaged internal component  
or wiring  
Check brew switch, timer,  
controller, solenoid and wiring  
Repair, replace as needed  
No brew plus no flow from hot  
water faucet  
Water supply OFF  
Turn water supply ON  
Clean strainer  
Solenoid inlet strainer plugged  
Water filter (if used) plugged  
Faucet valve turned OFF  
Replace filter element  
Turn faucet valve ON  
No flow from hot water faucet  
Poor coffee quality  
Keep brewer, decanters and airpots 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.  
11  
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SERVICING INSTRUCTIONS  
ACCESS PANELS  
CAUTION:  
SHOCK HAZARD  
WARMER PLATES:  
Opening access panels or  
removing warmer plates on this  
brewer may expose uninsulated  
electrical components.  
Disconnect brewer from  
electrical power before  
Warmer plates unscrew counter-clockwise.  
TOP PANEL:  
Remove top panel to access hot water tank, thermostat, heating  
elements, brew circuit tubing, faucet valve and piping, and top-  
mounted warmers.  
removing any panel  
Top panel is held by screws around the edge.  
Trouble shooting guides,  
component views and parts lists  
are included for general  
reference, and are intended for  
use by qualified service  
personnel..  
FRONT PANEL:  
Remove front panel to access timer.  
Models 0412 and 0443:  
Front panel and main warmer panel are one piece, and are held  
by screws around the edge and a retaining lip at the top.  
Models 0471 and 0472:  
Front panel and main warmer panel are one piece, and are held  
by screws around the edge and a retaining lip at the top and at  
the rear warmer plate panel. This panel is secured to the cabinet  
by the warmer plate.  
Model 0482:  
The front panel is held by two screws at the bottom and a  
retaining lip at the top.  
SOLENOID DOOR:  
Remove solenoid door to access solenoid plumbing connections.  
Solenoid door is held by two screws and a retaining lip.  
12  
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SERVICING INSTRUCTIONS (continued)  
TEMPERATURE ADJUSTMENT  
CAUTION:  
SHOCK HAZARD  
Disconnect brewer from electric power. Remove top panel.  
Remove button plug from front 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 hole. Reconnect brewer to electrical power.  
Place empty container under brew chamber. Energize brewer  
and allow unit to heat. When READY light glows, read the  
temperature displayed on thermometer.  
technical personnel only.  
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.  
NOTE:  
Optimum brewing temperature  
range is 195ºF to 205ºF (90ºC  
to 96ºC).  
Upon completion, remove thermometer and reinstall the plug.  
IMPORTANT:  
A mechanical thermostat will  
maintain temperature within  
±5ºF. To prevent boiling water  
in the brewer, thermostat should  
be adjusted to a maximum  
temperature equal to the local  
boiling temperature minus 5ºF.  
Fig. 9 Checking and Adjusting Brew Temperature  
BOILING  
POINT OF  
WATER  
210  
205  
200  
IDEAL  
BREWING  
TEMPERATURE  
MAXIMUM  
TEMPERATURE  
SETTING  
195  
190  
ELEVATION (feet above seal level)  
BOILING  
POINT OF  
WATER  
100  
97  
IDEAL  
BREWING  
TEMPERATURE  
RANGE  
94  
91  
88  
MAXIMUM  
TEMPERATURE  
SETTING  
ELEVATION (meters above seal level)  
Table 1 Boiling Temperature by Altitude  
13  
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SERVICING INSTRUCTIONS (continued)  
IMPORTANT:  
TIMER ADJUSTMENT (AUTOMATIC BREWERS ONLY)  
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.  
The amount of water dispensed automatically during a brew cycle  
is controlled by the timer.  
Place empty decanter (for Model 0482, use an airpot) under brew  
chamber. Press BREW button. Brewer should dispense one full  
decanter or airpot 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.  
NOTE: DELAY is the amount of  
time before a second brew can  
be initiated, and is factory set  
for 5 minutes. LOCK and  
ALARM are not used.  
REMOVE TANK LID ASSEMBLY  
Disconnect brewer from electric power. Turn OFF water supply.  
Remove top panel. Pull vent tube and inlet elbow out of basin  
pan.  
On automatic models, pull water inlet tube out of basin pan.  
Remove basin pan.  
IMPORTANT:  
Before setting assembly into  
tank, make sure tank lid gasket  
is properly seated on flange of  
lid. 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 two nuts 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 (COTHERM)  
IMPORTANT:  
When mounting thermostat, be  
sure to insert sensing bulb to  
the bottom of the bulb well.  
Tighten capillary lock nut only  
enough to ensure no water  
leakage. Excessive tightening  
is not necessary.  
Disconnect brewer from electric power. 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. BE SURE the bulb well is fully  
seated in the tank fitting, and that the temperature sensing bulb is  
inserted to the very bottom of the bulb well.  
REPLACE HEATING ELEMENT  
IMPORTANT:  
Remove tank lid assembly per above.  
When replacing heating  
element, also replace seal  
gaskets.  
Remove two hex nuts holding element to cover. Pull element  
from mounting holes.  
Reassemble in reverse order.  
14  
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SERVICING INSTRUCTIONS (continued)  
REPLACE SOLENOID  
Symptom: Automatic brewer will not flow water; or,  
automatic brewer drips continuously from brew head.  
NOTE: Wrench p/n 86660 is designed to allow easy removal of  
the hoses from the plastic solenoid valve.  
IMPORTANT: Shut-off water and disconnect brewer from  
electric power before removing hoses or wiring.  
Remove top cover and detach solenoid access door from  
cabinet.  
Remove faucet tube from faucet valve at flare fitting.  
Remove water supply flare fitting:  
a. Slide the 5/8" end of the wrench over the flats on the  
inlet fitting of the valve.  
b. Hold the wrench to prevent the inlet fitting from turning  
while installing or removing the inlet water supply flare  
nut.  
Remove faucet tube from solenoid:  
a. 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.  
b. Pressure on the white ring toward the metal fitting  
releases the clinch ring, allowing the tube to be easily  
slid off of the solenoid bypass outlet.  
Fig. 10 Remove Faucet  
Supply from Solenoid  
c. Install tube on new valve by pressing end of tube onto  
bypass outlet until it is fully seated.  
Disconnect wiring.  
Remove two screws holding solenoid to access door.  
Reassemble in reverse order.  
CLEAN SOLENOID SCREEN  
Symptom: Automatic brewer will not flow water.  
Disconnect brewer from electric power. 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.  
15  
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SERVICING INSTRUCTIONS (continued)  
REPLACE TIMER ASSEMBLY  
Disconnect brewer from electric power.  
Remove front panel. Remove three screws holding timer to  
bracket. Disconnect wiring to timer.  
Reassemble in reverse order.  
Adjust timer as described on page 14.  
IMPORTANT:  
When replacing water faucet  
REPLACE HOT WATER FAUCET COIL  
coil, also replace seal gaskets.  
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.  
NOTE: Any abrasion or  
roughness on the flat end of the  
seat cup will require replacing  
the seat cup:  
REPAIR HOT WATER FAUCET  
Open top panel. Turn faucet valve OFF.  
Unscrew aerator cap from faucet and remove handle retaining  
clip. Do not let faucet body turn.  
Work the seat cup out of the  
bonnet and off of the end of the  
stem.  
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.  
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.  
Examine the aerator. Clean any debris from the screen or flow  
straightener, using a stiff bristle brush if necessary.  
Reassemble in reverse order.  
NOTE: This faucet body is not interchangeable with the faucets  
in other families of Bloomfield brewers. If the entire faucet is to  
be changed, use p/n 87123. Internal components may be  
interchanged, however.  
REPLACE BREW READY LIGHT or BREW BUTTON  
Unplug power cord or turn circuit breaker OFF. Disconnect  
electric leads.  
Using Switch Removal Tool (p/n 83209) or a thin screwdriver,  
compress mounting tabs then pry light or switch from mounting  
hole.  
Reassemble in reverse order.  
16  
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SERVICING INSTRUCTIONS (continued)  
PROCEDURE: Delime the Water Tank  
CAUTION:  
CHEMICAL BURN  
PRECAUTIONS: Disconnect brewer from electric power.  
Allow brewer to cool.  
HAZARD  
Deliming chemicals may be  
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  
Large Sink (or other appropriate work area)  
This operation should only be  
performed by qualified and  
experienced service personnel.  
1. Disconnect brewer from electric power. For automatic  
brewers, turn off the water shut-off valve and disconnect the  
water supply line from the brewer inlet fitting.  
2. Remove the tank lid assembly as described on page 14.  
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.  
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.  
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.  
IMPORTANT: DO NOT allow  
any internal components to  
come into contact with the  
deliming solution. Take care to  
keep all internal components  
dry.  
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 .  
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.  
7. Set the tank back into the brewer. Reassemble the tank lid to  
the water tank. Make sure the gasket is properly in place,  
then reinstall the hold-down strap.  
NOTE: Repeat steps 4 thru 5  
as required to remove all scale  
and lime build-up.  
NOTE: Normally, silicone  
hoses do not need to be  
delimed. Should deliming  
hoses become necessary,  
Bloomfield recommends  
replacing the hoses.  
8. Reinstall wiring to heating element and thermostat. Reinstall  
the hi-limit thermostat (if removed). For automatic brewers,  
reassemble piping for the faucet. 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  
PLUMBING & RELATED COMPONENTS - AUTOMATIC BREWERS  
MODELS: 0412, 0472, 0482  
18  
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EXPLODED VIEW & PARTS LIST (continued)  
PLUMBING & RELATED COMPONENTS - POUR-OVER BREWERS  
MODELS: 0443, 0471  
19  
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EXPLODED VIEW & PARTS LIST (continued)  
CABINET & ELECTRICAL COMPONENTS - AUTOMATIC IN-LINE DECANTER BREWER  
MODEL: 0412  
20  
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EXPLODED VIEW & PARTS LIST (continued)  
CABINET & ELECTRICAL COMPONENTS - POUR-OVER IN-LINE DECANTER BREWER  
MODEL: 0443  
21  
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EXPLODED VIEW & PARTS LIST (continued)  
CABINET & ELECTRICAL COMPONENTS - AUTOMATIC STEP-UP DECANTER BREWER  
MODEL: 0472  
22  
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EXPLODED VIEW & PARTS LIST (continued)  
CABINET & ELECTRICAL COMPONENTS - POUR-OVER STEP-UP DECANTER BREWER  
MODEL: 0471  
23  
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EXPLODED VIEW & PARTS LIST (continued)  
CABINET & ELECTRICAL COMPONENTS - AUTOMATIC AIRPOT/THERMAL BREWER  
MODEL: 0482  
24  
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EXPLODED VIEW & PARTS LIST (continued)  
SERVICE KITS  
FAUCET REPAIR KITS  
82573  
82575  
82576  
Handle (item 12a)  
Seat Cup (item 12c)  
Faucet Repair Kit (Includes 12a Handle, 12c Seat Cup, 12d Spring,  
12h Stem, 12j Pin & 12k Bonnet  
82682  
84804  
Retainer Clip (item 12b)  
Aerator Replacement Kit (Includes 12e O-Ring, 12f Aerator Disk &  
12g Aerator Cap  
84870  
Aerator Repair Kit (Includes 12e O-Ring & 12f Aerator Disk)  
SOLENOID REPAIR KITS  
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)  
25  
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WIRING DIAGRAM  
AUTOMATIC BREWERS  
26  
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WIRING DIAGRAM (continued)  
POUR-OVER BREWERS  
27  
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Bloomfield Industries proudly supports CFESA  
Commercial Food Equipment Service Association  
Bloomfield Industries, Inc.  
Division of Carrier Commercial Refrigeration  
In US and Canada  
Telephone: 775-689-5700  
Fax:  
Fax:  
888-492-2783  
800-356-5142 (for orders only)  
PRINTED IN CHINA  
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