Bloomfield Coffeemaker 8778 User Manual

622  
OWNERS MANUAL  
for  
AIRPOT &  
THERMAL SERVER  
COFFEE BREWERS  
MODELS  
8778 8780 8782  
8783 8785 8786  
8788  
Includes:  
Installation  
Use & Care  
Servicing Instructions  
Model 8780 Brewer  
with optional  
7750 Thermal Server  
PRINTED IN UNITED STATES OF AMERICA  
p/n 75854 Rev. C ECN-12888  
M622 050614 cps  
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TABLE OF CONTENTS  
WARRANTY STATEMENT  
Thank You for purchasing this  
Bloomfield Industries appliance.  
xi  
1
2
3
3
4
6
8
SPECIFICATIONS  
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.  
FEATURES & OPERATING CONTROLS  
PRECAUTIONS & GENERAL INFORMATION  
AGENCY LISTING INFORMATION  
INSTALLATION INSTRUCTIONS  
OPERATION  
BREWING COFFEE  
CLEANING INSTRUCTIONS  
TROUBLESHOOTING SUGGESTIONS  
SERVICING INSTRUCTIONS  
Deliming Instructions  
EXPLODED VIEWS & PARTS LISTS  
WIRING DIAGRAMS  
9
This manual contains the  
10  
11  
16  
18  
22  
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  
15  
POWER SUPPLY  
CORD  
MODEL  
STYLE  
VOLTS  
WATTS  
8778  
8778CAk  
THERMAL  
120  
120  
120  
120  
120  
1800  
1500  
1800  
1500  
1800  
NEMA 5-15P  
NEMA 5-15P  
NEMA 5-15P  
NEMA 5-15P  
NEMA 5-15P  
12.5  
15  
8780  
THERMAL  
AIRPOT  
8780CAk  
8782  
8782CAk  
12.5  
15  
120  
120  
1500  
1800  
12.5  
15  
NEMA 5-15P  
NEMA 5-15P  
8782XL  
8782XLCAk  
120  
120  
120  
120  
1500  
1800  
1500  
1800  
12.5  
15  
NEMA 5-15P  
NEMA 5-15P  
NEMA 5-15P  
NEMA 5-15P  
8783  
AIRPOT  
AIRPOT  
8783CAk  
8785  
8785CAk  
12.5  
15  
120  
120  
240  
1500  
1800  
1800  
12.5  
15  
7.5  
NEMA 5-15P  
NEMA 5-15P  
NEMA 1-15P (non-polarized)  
8785XL  
8785XLPI  
8786  
THERMAL  
AIRPOT  
115/230  
4 WIRE  
3500  
15  
NONE  
8788  
115/230  
4 WIRE  
3500  
5
NONE  
k Meets Canadian standards.  
This manual applies to the following Bloomfield Industries Gourmet 1000™ products:  
8778  
8780  
8782  
8778CA  
8780AC  
8782A  
8782LCA  
8783CA  
8785ACA  
8785XL  
8786A  
8778ACA  
8780ACA  
8782ACA  
8782NFCA  
8780CA  
8782CA  
8782XL  
8780JCA  
8782FCCA  
8782XLCA  
8780NFCA  
8782JCA  
8782XLCA  
8782L  
8783  
8785  
8785JCA  
8785XLACA  
8786J  
8785XL  
8785XLCA  
8785CA  
8785L  
8785XLPI  
8786  
8788  
8788KFT  
8788L  
8788WA  
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  
Airpot or Server 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 LISTING INFORMATION  
This brewer is  
and  
listed under UL file E9253.  
NOTE: Model 8785XLPI is not UL approved  
E9253  
STD 4  
E9253  
This brewer meets  
Standard 4 only when installed,  
operated and maintained in accordance with the enclosed  
instructions.  
3
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INSTALLATION INSTRUCTIONS  
READ THIS CAREFULLY BEFORE STARTING THE INSTALLATION  
IMPORTANT:  
REFER TO EXPLODED VIEWS PAGES 18 thru 21 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, and that a rubber foot is installed on each leg.  
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 (AUTOMATIC  
BREWERS ONLY)  
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.  
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 10 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.  
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 Fig. 2 at right.  
4
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INSTALLATION INSTRUCTIONS (continued)  
NOTE: This equipment must be  
installed to comply with all  
applicable federal, state and  
local plumbing codes and  
ordinances.  
WARNING ELECTRIC  
SHOCK HAZARD:  
Brewer must be properly  
grounded to prevent possible  
Fig. 2 Water Supply Installation  
shock hazard. DO NOT  
assume a plumbing line will  
provide such a ground.  
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.  
ELECTRICIAN’S INSTALLATION INSTRUCTIONS  
REFER TO ELECTRICAL SPECIFICATIONS - Page 1  
Check the nameplate to determine correct electrical service  
required for the Brewer to be installed.  
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: Before connecting to electricity, make sure  
automatic brewers are connected to the water supply.  
Models 8778, 8780, 8782, 8783 & 8785 are equipped with a cord  
and plug. They require a 115 - 125 volt 15 amp circuit (50/60 Hz,  
2 wire plus ground, with NEMA 5-15R 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.  
Models 8786 & 8788 must be wired by an electrician, and  
require a 115/230V 20A circuit (50/60 Hz, 2 hot legs / 1 neutral  
leg, plus ground). Remove front panel to gain access to terminal  
block. Green terminal must be connected to a suitable building  
ground. Circuit must be capable of 3500 Watts.  
See figure 3 at right.  
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).  
Fig. 3 115/240 Volt Terminal Block  
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.  
For automatic brewers, be sure the water supply is properly  
connected and the water supply valve is turned ON.  
BEFORE plugging the brewer into a receptacle, or otherwise  
connecting brewer to electrical power THE WATER TANK MUST  
BE FILLED. Place an empty container 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  
“READY TO BREW” light will glow.  
6
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OPERATION (continued)  
WATER HEATER  
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.  
The setpoint temperature is adjustable at the  
thermostat.  
The element is protected from over-  
temperature by a hi-limit thermostat.  
Fig. 5 Heat Control Diagram  
WATER FLOW  
MANUAL  
POUR-OVER  
POUR-OVER FEATURE  
BASIN  
PAN  
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.  
BREW  
TANK  
AUTOMATIC OPERATION  
SOLENOID  
E
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  
POUR-OVER  
BASIN  
PAN  
FAUCET  
BYPASS  
The solenoid uses a flow control device so  
that flow is consistent between 20 p.s.i. and  
90 p.s.i.  
BREW  
TANK  
Length of time the solenoid is open is  
controlled by the timer.  
SOLENOID  
E
FAUCET  
SHUT-OFF  
VALVE  
FAUCET  
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.  
FAUCET  
BYPASS  
WATER  
COIL  
Hot water is provided at the faucet, at supply  
water pressure, any time the faucet shut-off  
valve is OPEN.  
HOT  
WATER  
TANK  
Fig. 6  
7
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BREWING COFFEE  
CAUTION:  
A. 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.  
Exposed surfaces of the  
brewer, brew chamber  
and airpot or server may  
be HOT to the touch, and  
can cause serious burns.  
Fig. 7 Brew Chamber  
CAUTION:  
Burn Hazard  
B. POUR-OVER OPERATION  
NOTE: Any Gourmet 1000™ can be used in the pour-over mode.  
To avoid splashing or  
overflowing hot liquids,  
ALWAYS place an empty  
airpot or server under the  
brew chamber before  
starting the brew cycle.  
Failure to comply can  
cause serious burns.  
BE sure “READY TO BREW” light is lit.  
Place the appropriate EMPTY airpot or thermal server in place  
under the brew chamber.  
Fill an airpot or server, identical to the one being used, with tap  
water. Lift the pour-over cover and pour the entire contents of the  
container 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 ”READY TO BREW” light glows, the  
brewer is ready for another brew cycle.  
C. AUTOMATIC OPERATION  
NOTE:  
BE sure “READY TO BREW” light is lit.  
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. Draw no  
more than one (1) cup of  
water at a time.  
Place the appropriate EMPTY airpot or thermal server 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 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 and rinse it in a sink.  
When the ”READY TO BREW” light glows, 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, Bottle 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 airpot or thermal server.  
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, airpots or thermal  
servers.  
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.  
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. DO NOT submerge airpots or thermal servers in water.  
Clean airpots and thermal servers 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.  
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  
Turn water supply ON  
Clean strainer  
Water supply OFF  
Solenoid strainer plugged  
Water filter (if used) plugged  
Bad BREW switch  
Replace filter element  
Replace switch  
Damaged internal component  
or wiring  
Examine wiring & connectors,  
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  
TOP PANEL:  
Remove top panel to access hot water tank, thermostat, heating  
elements, brew circuit tubing, faucet valve and piping.  
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.  
Top panel is held by two screws at the rear and a retaining lip at  
the front.  
FRONT PANEL:  
Remove front panel to access timer, terminal block and solenoid.  
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 and plumbing  
connections.  
Solenoid door is held by two screws and a retaining lip.  
TOP  
PANEL  
FRONT  
PANEL  
TIMER  
BUTTON  
PLUG  
SOLENOID  
DOOR  
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.  
Fig. 10 Checking and Adjusting Brew Temperature  
NOTE:  
Place an empty container 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  
±5ºF. To prevent boiling water  
in the brewer, thermostat should  
be adjusted to a maximum  
temperature equal to the local  
boiling temperature minus 5ºF.  
Table 1 Boiling Temperature by Altitude  
Upon completion, remove thermometer and reinstall vent tube.  
12  
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SERVICING INSTRUCTIONS (continued)  
TIMER ADJUSTMENT (AUTOMATIC BREWERS ONLY)  
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 airpot or thermal server under brew chamber. Press  
BREW button. Brewer should dispense one container 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.  
On automatic models, 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.  
Tighten capillary lock nut only  
enough to ensure no water  
leakage. Excessive tightening  
is not necessary.  
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  
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.  
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 (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.)  
Reassemble in reverse order.  
Fig. 11 Remove Faucet  
Supply from Solenoid  
Fig. 12 Clean Strainer Screen  
14  
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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  
IMPORTANT: When replacing  
water faucet coil, also replace  
seal gaskets.  
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  
NOTE: Any abrasion or  
roughness on the flat end of the  
seat cup will require replacing  
the seat cup:  
Remove top panel and 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.  
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.  
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. For automatic  
brewers, 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 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  
HOT WATER TANK ASSEMBLY  
ITEM  
13  
14  
16  
17  
50  
54  
56  
58  
59  
60  
61  
62  
PART NO. DESCRIPTION  
8043-5 Hold Down Strap  
8043-506 Nut, 8-32 SS Acorn  
USED ON  
All  
All  
All  
All  
All  
All  
8780, 8782, 8786, 8788  
8780, 8782, 8786, 8788  
All  
All  
60366  
Screw, 1/20x1-1/4 SS Cap Head  
69401  
Nut, Hex 1/4-20 SS  
86280  
Thermostat w/Thermo Well  
Tank Cover Gasket  
Seal Gasket  
Hot Water Coil  
Inlet Elbow  
8043-12  
8043-30  
8540-6  
8043-8  
8043-15  
8043-11  
8512-45  
8514-68  
8043-83  
8552-50  
8543-74  
8543-73  
8043-24  
82299  
Vent Tube  
Outlet Elbow  
All  
Tank Cover (Plate Only, 6 holes)  
Tank Cover (Plate Only, 8-holes)  
Hi-Limit Thermostat (120V)  
Hi-Limit Thermostat (240V)  
Nut, Hex 4-40 SS  
Screw, 4-40x1 SS Pan Head  
Water inlet Tube  
Tank Heating Element 120V / 1800W  
Tank Heating Element 120V / 1500W  
Tank Heating Element 240V / 3500W  
Tank Body  
8788, 8783, 8785  
8780, 8782, 8786, 8788  
All, except 8786 & 8788  
8786, 8788  
All  
All  
All  
All U.S., except 8786 & 8788  
All Canadian, except 8786 & 8788  
8786, 8788  
All  
63  
64  
65  
66  
67  
8043-14  
8716-1  
8043-10  
68  
COMPLETE SPARE TANK COVER  
85574  
Spare Cover Assembly (120V, 1800 W  
8780, 8782, 8786, 8788  
(U.S.)  
8780, 8782, 8786, 8788  
(Canadian)  
8788, 8783, 8785  
(U.S.)  
8788, 8783, 8785  
(Canadian)  
No Coil - all parts mounted to cover)  
Spare Cover Assembly (120V, 1500 W  
No Coil - all parts mounted to cover)  
Spare Cover Assembly (120V, 1800W  
With Coil - all parts mounted to cover)  
Spare Cover Assembly (120V, 1500W  
With Coil - all parts mounted to cover)  
Spare Cover Assembly (230V, 3800W  
With Coil - all parts mounted to cover)  
8543-300  
85575  
8541 WF-300  
8716-300  
8786, 8788  
18  
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EXPLODED VIEW & PARTS LIST (continued)  
ELECTRICAL COMPONENTS  
ITEM  
31  
32  
PART NO.  
8707-55  
8718-31  
8718-1  
DESCRIPTION  
USED ON  
8780, 8782, 8786, 8788  
All  
All  
Brew Switch, Momentary Rocker  
Ready-To-Brew Light, green  
Timer  
35  
36  
36t  
37  
6407-15  
8552-18  
35-210  
8541-120  
85753  
86280  
8552-18  
85309  
8043-83  
8552-50  
82299  
8043-14  
8716-1  
Cord & Cap Assembly  
Terminal Strip  
Strain Relief  
Solenoid Valve (old-style)  
Solenoid Valve (new-style)  
Thermostat w/Thermo Well  
Terminal Block 4-Pole  
Terminal Block 3-Pole  
Hi-Limit Thermostat  
All, except 8786 & 8788  
8786, 8788  
All, except 8786 & 8788  
All  
All  
All  
45  
50  
51  
8786, 8788  
8778, 8780, 8782, 8783, 8785  
All, except 8786 & 8788  
8786, 8788  
All U.S., except 8786 & 8788  
All Canadian, except 8786 & 8788  
8786, 8788  
63a  
63b  
67  
Hi-Limit Thermostat  
Tank Heating Element 120V / 1800W  
Tank Heating Element 120V / 1500W  
Tank Heating Element 240V / 3500W  
SOLENOID REPAIR KITS  
83612  
85685  
85218  
Solenoid Complete, Single  
Solenoid, Complete, with Bypass  
Inlet Fitting Kit (contains cap, inlet fitting washer  
and strainer)  
85219  
Inlet Strainer only  
19  
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EXPLODED VIEW & PARTS LIST (continued)  
INTERNAL PLUMBING COMPONENTS  
ITEM  
8
9
PART NO.  
8540-3  
8540-4  
8551-30  
8514-26  
85681  
8540-30  
8043-13  
82556  
8543-42  
82727  
8543-45  
84715  
DESCRIPTION  
USED ON  
8780, 8782, 8786, 8788  
8780, 8782, 8786, 8788  
8780, 8782, 8786, 8788  
8780, 8782, 8786, 8788  
8780, 8782, 8786, 8788  
8780, 8782, 8786, 8788  
All  
8780, 8782, 8786, 8788  
All  
All  
All  
8780, 8782, 8786, 8788  
All  
All  
8778  
Faucet Outlet Tube Assembly  
Formed Inlet Tube Assembly  
1/4“ Male Flare x 1/8” FPT  
Needle Valve (Faucet Shut-Off)  
Faucet Inlet Tube Assy  
Elbow  
Sprayer Elbow  
Faucet Assembly  
Spray Head Gasket  
Spray Disk  
Spray Head Retainer  
Water Inlet Tube  
Solenoid Valve  
Vent Tube  
Basin Pan (Pour-Over Deep)  
Basin Pan (Automatic)  
Basin Pan (Pour-Over)  
10  
11  
12  
18  
25  
29  
33  
34  
34a  
43  
45  
60  
108  
109  
85753  
8043-15  
8541-21  
8543-29  
8780, 8782, 8786, 8788  
8778, 8783, 8785  
c1  
d1  
e3  
82681  
8551-100B  
82680  
Washer  
7/16“ Lock Washer  
Hex Lock Nut  
8780, 8782, 8786, 8788  
8780, 8782, 8786, 8788  
8780, 8782, 8786, 8788  
FAUCET REPAIR KITS  
82573  
82575  
82576  
Handle (item 29a)  
Seat Cup (item 29c)  
Faucet Repair Kit (Includes 29a Handle, 29c Seat Cup, 29d Spring, 29h Stem,  
29j Pin & 29k Bonnet  
82682  
84804  
84870  
Retainer Clip (item 29b)  
Aerator Replacement Kit (Includes 29e O-Ring, 29f Aerator Disk & 29g Aerator Cap  
Aerator Repair Kit (Includes 29e O-Ring & 29f Aerator Disk)  
20  
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EXPLODED VIEW & PARTS LIST (continued)  
CABINET COMPONENTS  
ITEM  
21  
PART NO.  
63201  
DESCRIPTION  
Spacer, .171 ID x .375 LG  
USED ON  
8782XL, 8785XL  
22  
87192  
Positioning Bracket  
8782XL, 8785XL  
33  
34  
8543-42  
82727  
Spray Head Gasket  
Spray Disk  
All  
All  
34a  
70  
8543-45  
8706-75  
Spray Head Retainer  
Button Plug (Timer)  
All  
8780, 8782, 8786, 8788  
71  
72  
Cap, Plastic, Lower Support  
Support, Lower  
All  
All  
73  
74  
8033-55  
8033-56  
81732  
8543-69  
8810-12  
Leveler, Adjustable Leg  
Cap, Adjustable Leg  
Adjustable Leg Assembly  
Heyco Bushing  
Button Plug (Non-Faucet)  
Body Assembly  
All  
All  
All  
All  
75  
77  
101  
102  
103  
104  
8778, 8783, 8785  
All  
All  
8786, 8788  
All  
8778, 8773, 8775  
8780, 8782, 8786, 8788  
All  
All  
8778  
Front Panel  
Mounting, Hi-Limit Switch  
Door, Solenoid (old style)  
Door, Solenoid (new style)  
Door, Solenoid (new-style)  
Pour-Over Assembly  
Top Panel  
Basin Pan (Pour-Over Deep)  
Basin Pan (Automatic)  
Basin Pan (Pour-Over)  
Label, Gourmet 1000  
Basin Body Assembly  
Brew Chamber, Black  
Brew Chamber, Brown  
Brew Chamber, Stainless  
Bloomfield Paper Filter (pk 1000)  
8572-34  
8572-34  
85089  
105  
106  
108  
86666  
8542-6  
8760-3  
8541-21  
8543-29  
8780, 8782, 8786, 8788  
8783, 8785  
109  
110  
200  
All  
All  
All  
All  
All  
All  
8942-6B  
8942-6  
8707-6  
POF  
210  
21  
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WIRING DIAGRAM  
22  
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WIRING DIAGRAM (continued)  
23  
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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 UNITED STATES OF AMERICA  
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