652
OWNERS MANUAL
for
E-Max™
AIRPOT and THERMAL
COFFEE BREWERS
MODELS
Model 2082
Airpot Brewer
with optional
7759 Airpot
2080
2086
2088
2082
2086EX
2088EX
Includes:
Installation
Operation
Use & Care
Servicing Instructions
Model 2080
Thermal Brewer
with optional
7754 Thermal Server
E-Max BREWERS are covered under
U. S. Patents #5704275, 5862738, 6095031.
Other U.S. Patents and Canadian Patents Pending
PRINTED IN UNITED STATES OF AMERICA
p/n 73574 Rev. S ECN-12817
M652 050208 cps
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TABLE OF CONTENTS
Thank You for purchasing this
Bloomfield Industries appliance.
WARRANTY STATEMENT
SPECIFICATIONS
xi
1
FEATURES & OPERATING CONTROLS
PRECAUTIONS & GENERAL INFORMATION
INSTALLATION
AGENCY LISTING INFORMATION
OPERATION
CLEANING INSTRUCTIONS
SERVICING INSTRUCTIONS
PLUMBING
2
3
4
5
6
11
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.
12
14
16
17
18
22
This manual contains the
ELECTRICAL
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.
DELIMING WATER TANK
TROUBLESHOOTING SUGGESTIONS
EXPLODED VIEWS AND PART LISTS
WIRING DIAGRAMS
SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
VOLTS
50/60Hz 1ø
POWER SUPPLY
REQUIREMENTS
MODEL
2080 Thermal
AMPS
WATTS
15 Amp (NEMA 5-15R)
L1, N plus Ground
120
15
1800k
2082 Airpot (incl 2082SNB)
2086 Thermal
2088 Airpot
Hardwire to Circuit Breaker
L1, L2, N plus Ground
120/240
220-240
13.3
13.3
3200
3200
2086EX
2088EX
Hardwire to Circuit Breaker
L1, L2, N plus Ground
k
1500 watts in Canada
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FEATURES AND 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 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
To avoid splashing or
overflowing hot liquids,
Except as noted, this piece of equipment is made in the USA
and has American sizes on hardware. Please note: Metric
hardware is used to mount the inlet (Fill) solenoid. All metric
conversions are approximate and can vary in size.
ALWAYS use an empty decanter
before starting the brew cycle.
Failure to comply 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.
CAUTION: Burn Hazard
After a brew cycle, brew
basket contents are HOT.
Remove the brew basket and
dispose of used grounds with
care. Failure to comply 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.
CAUTION: Burn Hazard
Exposed surfaces of the
appliance, brew basket
and decanter may be HOT to the
touch, and can cause serious
burns.
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INSTALLATION INSTRUCTIONS
READ THIS CAREFULLY BEFORE STARTING THE INSTALLATION
IMPORTANT:
UNPACKING & INITIAL INSPECTION
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:
1. Unpack the unit. Inspect all components for completeness
and condition. Ensure that all packing materials have been
removed from the unit.
2. (See page 13) Verify that the Spray Head and Spray Head
Gasket are properly installed.
LEVELING THE UNIT
CAUTION: Equipment
Electrical Damage
1. 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.
2. Set Brewer in its operating location.
3. 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.
4. 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
1. 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.
2. 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.
3. 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 filters, 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 12 feet and 3/8" for
more than 12 feet from a 1/2"
water supply line.
4. 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.
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INSTALLATION INSTRUCTIONS (continued)
For ‘Filter-Ready” units, refer to filter installation and hook-up
instructions packed with the brewer.
NOTE: This equipment must
be installed to comply with
applicable federal, state and
local plumbing codes and
ordinances.
5. NSF requires that the brewer be able to be moved for
cleaning underneath. Loops of copper tubing will satisfy this
requirement.
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.
6. In some areas, local codes require a backflow preventer
(check valve) to be installed on the inlet water line. If a back
flow 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.
Electrical shock will cause death
or serious injury.
IMPORTANT: Do not attempt to
override the automatic tank fill
feature which requires that the
tank must be full of water to
start operations. Any attempt to
override this feature will void
the warranty.
ELECTRICIAN’S INSTALLATION INSTRUCTIONS
REFER TO ELECTRICAL SPECIFICATIONS - Page 1
IMPORTANT:
Before connecting to electricity,
make sure the E-Max™ has
been properly connected to the
water supply.
Check the nameplate to determine correct electrical service
required for the Brewer to be installed.
NOTE: Models 2080 & 2082 require a 115 - 125 V 15A circuit
(50/60 Hz, 2 wire plus earth ground, with
IMPORTANT:
NEMA 5-15R or 5-20R Receptacle)
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.
Models 2086 & 2088 require a 120/240V 20A circuit
(50/60 Hz, 2 hot legs / 1 neutral leg, plus earth ground).
Circuit must be capable of 3500 Watts.
AGENCY LISTING INFORMATION
This brewer is
and
listed under UL file E9253.
E9253
STD 4
E9253
This brewer meets
operated and maintained in accordance with the enclosed
instructions.
Standard 4 only when installed,
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OPERATION
OPERATING INSTRUCTIONS
IMPORTANT:
1. Energizing the Brewer: When electricity has been connected to
the unit, there will be a momentary flash of the power light. Turn
the brewer on by pressing the POWER key. The
brewer will start to fill the tank. With the proper
water supply the tank should be filled in about 2½
minutes. Once filled, the heating element will come
on until the proper tank temperature has been
reached, (which will take about 20 minutes on
120-Volt models or about 12 minutes on 120/240
Volt models).
All E-Max™ brewers are
tested and set at the factory
If programming adjust-
ments are necessary,
refer to the E-Max™
Programming Manual
(p/n/73674).
.
To over-ride the Brew
Wait mode, press and
hold the BREW key for
3 seconds when the
2. Brewing (Precise Temperature for Brewing™ — PTB™): In the
regular operating mode, the E-Max™ maintains the tank
temperature within +/- 1ºF of the brew temperature.
Normally this will mean that a brew will be started
as soon as the BREW key is pressed. However,
there may be a slight delay if the BREW key is
brewer is in Brew Wait
mode (i.e. when brew light
is flashing). The brew will
proceed immediately
regardless of water
pressed immediately after a brew has been
temperature. This feature
should only be used when
testing water volume,
otherwise the brew will
proceed with the water
below the precise brew
temperature.
completed (notably on 120 volt models). If the tank
temperature is below the brew temperature, the
brew will be delayed, going into the “Brew Wait”
mode, with the brew light flashing. As soon as the
correct temperature is reached the brew will
commence with the brew light on continuously during the brew. When
the brew begins the main warming station will be turned on
automatically (if it is not already on). During the brew cycle, if the
BREW key is pressed, it will be ignored. Only when the brew is
complete can another brew be started.
Note: the following
safety features have been
incorporated to prevent
multiple unattended
brews:
3. Brew Cancel: To cancel a brew in progress, press the CANCEL
KEY: two beeps will sound and the “Brew” light
will go out. Water flowing to the brew chamber
will be stopped immediately, but if there is
already water in the brew chamber, it will take a
few moments before this drips through as
coffee.
The brew key is disabled
during a brew cycle. This
minimizes the possibility
of double brewing.
When the “Brew” light is
on or flashing, repeated
pressing of the BREW
switch will be ignored,
(there will be a beep each
time it is pressed). A
Brew will only be activated
when the “Brew” light is
off.
4. Normal Operation (Non Brewing): When the unit is not brewing,
the E-Max™ maintains the water temperature at the Precise
Temperature for Brewing™ (PTB™). The heating element will
cycle on and off automatically to maintain this temperature.
5. After Hours Mode: If no brew is detected for a pre-selected length
of time, the brewer will enter the After Hours mode. Temperature
will be allowed to drop to save energy. Pressing the BREW KEY
returns the brewer to normal operation.
6
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OPERATION (continued)
USER’S GUIDE
1. Remove the brew chamber from
under the spray head. Place one (1)
genuine Bloomfield paper filter into
the brew chamber. Add your choice
of pre-measured ground coffee.
Shake the brew chamber gently to
level the coffee.
WARNING:
Burn Hazard.
This appliance dispenses
PAPER
FILTER
very hot liquid. Serious
BREW
CHAMBER
bodily injury from scalding
can occur from contact
with dispensed liquids.
Slide the brew chamber back into
place.
CAUTION:
Burn Hazard
2. Place an empty airpot or thermal server
To avoid splashing or
overflowing hot liquids,
ALWAYS use an empty
airpot or thermal server
before starting the brew
cycle. Failure to comply
can cause serious burns.
under the brew chamber.
3. If any volume other than “Standard”
brew volume is required, press the
appropriate volume key.
CAUTION:
Burn Hazard
4. To begin the brew cycle, press BREW
key. Hot water will start spraying over
the coffee, and brewed coffee will start
filling the server. When the coffee stops
flowing from the brew chamber, the fresh
coffee is ready to serve.
After a brew cycle, brew
chamber contents are
HOT. Remove the brew
chamber and dispose of
used filter and grounds
with care. Failure to
comply can cause serious
burns.
NOTE: Brewing will not begin until the
Precise Temperature for Brewing™ has
been reached. (See page 6)
5. At the end of the brew cycle, the view screen
will read “Brew complete”. After all dripping
has stopped, remove the brew chamber
from the brewer. Discard the used paper
filter and grounds.
CAUTION:
Burn Hazard
Exposed surfaces of the
appliance, as well as brew
chamber may be HOT to
the touch, and can cause
serious burns.
Brew complete
6. The brewer is now be ready to begin
another brewing cycle.
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OPERATION (continued)
PROGRAMMING FEATURES AND OPTIONS
1. View Water Temperature in Tank: To view the water temperature on the screen, the E-Max™
brewer must be ON, and not brewing or in the filling mode. Press and hold the 4th key, and
depress the 6th key. The actual water temperature will be displayed for 3 seconds.
2. Daily Brew Count: The E-Max™ maintains a count of the number of completed brews for a
7-day period. To access the count, turn the brewer OFF. In the OFF mode, press and hold the
CANCEL key for 3 seconds. The current day and brew count will be displayed. Depress the
ON/OFF key repeatedly to view each preceding day. When all 7 days have been displayed a
7-day total will be displayed. If you wish to exit the daily brew count before viewing all of the
days, press CANCEL key.
3. ON/OFF – Non Automatic Timer: To turn the brewer OFF, press the ON/OFF switch: 2 beeps
will be heard and the brewer will be turned OFF, indicated by all lights being off. To turn the
brewer ON, press the ON/OFF switch: 2 beeps will sound, all lights will flash once, then the
“Power” light will remain on, (the “Heat” light may come on if water temperature is too low).
4. ON/OFF – Automatic Timer Feature: The factory programmed E-Max™ has the automatic
timer turned off. To set the automatic timer, refer to the E-Max™ Programming Manual, “Time
Functions” Menu. If the Automatic Timer feature is programmed off, the brewer can be turned
on and off by depressing the ON/OFF switch, as noted above.
*
When the Automatic Timer feature is programmed ON, the E-Max will turn on and off
automatically, at a programmed time, Monday to Friday; with a separate on and off
programmed time schedule for Saturday and Sunday.
*
Temporarily Overriding the Automatic ON/OFF function. While in the automatic timed OFF
mode the brewer can be started by depressing the ON/OFF switch. The brewer will remain
ON until the automatic programmed off time, when it will turn OFF and resume normal
automatic timed functioning. Similarly, if turned OFF during the automatic timed ON mode
the brewer will remain OFF until the next programmed on time, when it will turn on and
resume normal automatic timed functioning.
5. Automatic Start-Up in Previous Mode: If the E-Max™ automatic timer is OFF (the factory
setting) and power is disconnected, the brewer will start up when power is restored, in the mode
it had been in prior to the power disconnection. If the E-Max™ has the timer setting ON and
power is disconnected, the brewer will start up in the mode that it should be in at the time the
power is restored.
6. Viewing Programmed Brew Volume: The E-Max™ can have up to 4 different brew volumes.
When a volume other than the standard, or first brew volume, is selected, the E-Max™ will
complete that volume and then automatically reset to the standard, or first brew volume. With the
brewer ON, press and hold the CANCEL key. The 1st, or standard, volume will be displayed for
3 seconds (i.e. Volume #1 64 oz)., and then the day and time will be displayed.
7. Changing Brew Volume: As outlined above, display the current brew volume and, before the
display changes to day and time, depress the CANCEL key momentarily, (not for 3 seconds).
The next programmed brew volume (e.g. Volume#2 32 oz.) will be displayed on the LCD for
3 seconds, after which the display will return to the day and time. Repeatedly press CANCEL
while programmed volumes are shown to view all brew volumes. (If there is only one brew
volume programmed, only that volume will be displayed.) The last brew volume displayed, before
the LCD returns to the day and time, is the brew volume that the E-Max™ will brew the next time
the BREW switch is depressed. When a brew volume other than the 1st brew volume is
selected, the E-Max™ will complete the brew then return to the 1st or standard brew volume
automatically.
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OPERATION (continued)
8. Clock
A. Time – Battery Backup. The E-Max™ has a battery backup system which will maintain the
proper time during power failures, or when the brewer is unplugged (even for very prolonged
periods of time). Normally there will not be a need to set the time except for Daylight Saving
Time changes, or moving the brewer to different time zones.
B. Changing Day and Time: To change time, turn the E-Max™ off. Press the 2nd key twice
followed by the 1st key twice to access the time change mode, (i.e. press CANCEL, CANCEL,
BREW, BREW). In the time change mode the screen will read “Day:” followed by the current
day setting. Use the 6th key to advance the day, or the 5th key to reverse. When day has
been properly set, press the 3rd key. The screen will now read “Time:” with the set time on
the screen, the hour and am or pm flashing. Use the 5th key to go back or the 6th key to
advance the hour, making sure that the am or pm is correct. When the hour and am/pm is
correctly set, press the 3rd key, and the screen will read “Time:” with the set time on the
screen, minutes flashing. As previously use the 5th or 6th keys to adjust the minutes, and
press the 3rd key when complete. The E-Max will return to the off mode. (Changing time can
also be done in the regular programming mode. Consult the E-Max™ Programming Manual)
C. After Hours™: Consult the E-Max™ Programming Manual to set the After Hours™ mode.
The factory programming has the After Hours™ mode turned OFF. The After Hours™ can be
programmed to come on from 1 to 6 hours after the last brew. When the E-Max™ goes into
the After Hours™ mode, any warmer plates left on will be turned off (on decanter brewers),
the water in the tank will be allowed to drop from the normal brewing temperature and will re
heat less frequently – this feature saves energy and extend component life. While in the After
Hours mode, the power light will flash continuously. When the BREW switch is pressed the
E-Max™ automatically reverts back to normal operation, heating the water to the Precise
Temperature for Brewing™ (PTB™), before starting the brew. (The power light will be on
continuously and the Brew light will flash until the correct water temperature is reached.)
9. Countdown Quality Timer™: Refers to coffee warmers.
Not applicable to Airpot and Thermal brewers.
10. Pulse or Pre-Infusion Volume Options: To set these features, refer to E-Max™ Programming
Manual, Brew Settings Menu. If a particular brew volume has utilized the pulse or pre-infusion
option, that volume will be displayed with an asterisk (*) after the volume. As an example
“Volume#2 64oz*” would indicate that the second programmed brew volume has utilized the
pulse or pre-infusion program options.
11. Keypadlock™: This feature is OFF in the standard factory settings. To set the feature refer to
E-Max™ Programming Manual, Machine Settings Menu. If the Keypadlock™ feature is activated,
there will be no response by the brewer when the keys are depressed (except for the beep after a
key is depressed). To temporarily “unlock” the keypad, press and hold the CANCEL key for 6
seconds. A beep will be heard indicating the keypad is now “unlocked”, — a brew can be initiated,
warmer plates turned on or off, etc. The keypad will remain unlocked until the brew is completed,
then automatically return to keypadlock™ mode. If a brew is not initiated 60 seconds after
“unlocking”, the system will time out and return to the “locked” position.
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OPERATION (continued)
12. View Filter Statistics: To view filter statistics, turn the brewer off. Press and hold the 1st key
(Brew), and depress the 3rd (ON/OFF) key. Total water volume will be displayed (TotalVol.).
Press the 3rd key to view the Filter Life (FltrLife:). Press the 3rd key to view the percentage of
the filter that has been used. (If the filter option is used, the filter life volume needs to be entered
in the program – see E-Max™ Programming Manual, Service & Counters Menu.)
13. Diagnostic Messages – Programmed Safety Features: When the E-Max senses a problem,
it will automatically turn off all elements and valves, flash lights, display the message
“Call For Service” and display one of the messages below. (Additionally: a service phone
number may appear if it has been programmed into the system.)
*To reset the brewer it can be re-energized (or press and hold CANCEL for 3 seconds for all
faults except the Valve Fault, which must be reset by re-energizing). The brewer will try to
re-start, but if the same problem persists, the appropriate error message will appear again.
Consult the Trouble Shooting section to determine how to solve the problem.
A. “Probe/Heater Error”: Overheating Detection (1): If the heating element is on for 5 minutes
and the temperature does not change by +2°F (1°C) in the five minute period, the unit will go
into the Over Temperature Mode with all lights flashing. When in this mode the brewer turns
off the heating elements, the solenoid valves are turned off; the switches disabled; (and all
lights flashing continuously). The LCD display will read “Probe/Heater Error”, followed by the
message “Call for Service”, and then the service phone number (if it has been entered into
memory). To reset press and hold CANCEL for 3 seconds, or re-energize the brewer.
(Possible causes of problem: high limit needs to be re-set; defective high limit, element, triac,
water level probe or control board.)
B. “Overheat Error”: Overheating Detection (2): If the E-Max™ senses a temperature over the
Maximum Temperature set in the program (factory set at 208ºF or 98ºC) it will go into the over
temperature mode as above with all lights flashing, except the LCD will read “overheat error”,
and “Call for Service”. To reset press and hold CANCEL for 3 seconds, or re-energize the
brewer. (Possible cause of problem is a defective triac, temperature probe or related wiring
and connections.)
C. “No Water Sensed” — Time-Out —Inlet Valve: When filling for the first time, the inlet valve
will remain open for 4¼ minutes, (the screen will read “filling…”). If water is not detected at
the end of this time the E-Max will shut down with the message “no water sensed”. The
valves and all elements are turned off, and the Brew and Power light flash alternately with the
Heat light, until the brewer is reset. To reset press and hold CANCEL for 3 seconds, or
re-energize the brewer. (Possible causes of the problem are: no incoming water; slow flow of
incoming water (i.e. less than 45 oz/minute); sensor not reading (check for placement,
connections or lime scale).
D. “No Water Sensed” — Time-Out – Brew Valve: During the brew the inlet solenoid valve
cycles on intermittently to maintain the proper level in the tank. If the valve is open for
60 seconds without water being detected at the proper level, the brewer will go into the same
error mode as above (“no water sensed”). To reset press and hold CANCEL for 3 seconds,
or re-energize the brewer. (Possible causes of the problem are: no incoming water; slow flow
of incoming water, sensor not reading, etc.).
E. Keyswitch Locked: If a key switch is depressed for 10 seconds this error message will
occur. Lights will flash alternately and the brewer will turn off all valves and elements. Press
and hold the CANCEL key for 3 seconds to reset the brewer (or re-energize the brewer). If
the problem re-occurs this indicates a defective switch on the key pad.
F. “Valve Fault”- Faulty Valve Detection: When an electric or switching problem is detected
with either the inlet or brew valve the brewer turns off all elements and valves and displays
“valve fault…”. All of the lights will be turned on. Before re-setting the brewer the valves
must be checked to determine the problem. The brewer must be re-energized to re-set,
(pressing CANCEL for 3 seconds will not reset a valve fault).
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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. Do not pour or
splash water into or over air
vents, control panel or warmer
plates.
2. Remove airpot or thermal server.
3. Remove and empty brew chamber.
4. Remove the spray disk from the brew head:
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.
8. Reinstall the gasket INSIDE the brew head, then reinstall the
spray disk.
9. Reinstall the brew chamber.
IMPORTANT:
DO NOT use steel wool, sharp
objects, or caustic, abrasive or
chlorinated cleansers to clean
the brewer or airpots or thermal
servers.
10. IMPORTANT: Do NOT submerge airpots or thermal servers
in water.
Wash airpots and thermal servers:
a. Fill with warm soapy water
b. Shake gently, then empty water
c. Rinse thoroughly
IMPORTANT: DO NOT
submerge airpots or thermal
servers in water.
d. Wipe exterior with a clean soft cloth dampened with
clean water.
Procedure is complete
11
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SERVICING INSTRUCTIONS — PLUMBING
FUNCTION
1. Water enters at the inlet fitting of the fill solenoid (32). The
solenoid admits water via a command from the controller.
NOTE: The solenoid has an internal strainer. To clean the
strainer: Shut off water supply. Unscrew the plastic cap
protruding from the rear of the brewer. Remove the cap,
inlet fitting and washer. With pliers, grasp the bar of the
strainer and pull straight out. Wash any debris from the
strainer. Note orientation - DO NOT reverse strainer.
Reassemble and reinstall. Turn water supply back on.
2. Water enters the tank (2) thru the fill tube (16). Water is
heated in the tank by the heating element (15).
3. The tank lid (9) is sealed around the edge with a gasket
(6), and is secured by 3 clips (10).
FILL PORT
4. Heated water is dispensed to the brew head through the
brew tube (14), brew solenoid (18), and spout of the brew
fitting (19). The brew solenoid is energized during the brew
cycle by the controller.
VENT PORT
BREW PORT
FAUCET PORT
HEATER
PORTS
NOTE: The flow rate of the brew solenoid is factory set.
DO NOT adjust.
5. Hot water is sprayed over the coffee grounds by the spray
disc (24), which is sealed to the brew head by a gasket (23).
WATER TANK
6. The tank is vented through the vent elbow fitting (40) and
vent tubes (11 & 13).
7. Water for the hot water faucet (1) is supplied from the tank
through the faucet supply tube (12).
SOLENOID
STRAINER
(note orientation
DO NOT REVERSE)
GASKET
WASHER
LID
CLIP
INLET
FLOW
CONTROL
FITTING
(installed)
CAP
TANK
FILL
SOLENOID
LID GASKET
12
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SERVICING INSTRUCTIONS — PLUMBING (continued)
ITEM DESCRIPTION
PART N0.
USED ON
1
2
FAUCET, HOT WATER
8783-1
ALL
ASSEMBLY, WATER TANK (120V)
ASSEMBLY, WATER TANK (240V)
ASSEMBLY, WATER TANK (DUAL VOLTAGE)
83500
83753
84010
2012, 2072
2016, 2074
2015, 2075
6
9
GASKET, TANK LID
83499
83504
83506
86014
83538
83384
86013
83540
83388
83152
82215
82727
83612
8043-11
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
TANK LID
10
11
12
13
14
16
18
19
23
24
32
40
RETAINING CLIP, TANK LID
HOSE, OVERFLOW (2 pc SILICONE 4.5” LONG)
HOSE, FAUCET SUPPLY (SILICONE, 10” LONG)
TUBE, VENT (METAL, 2.3” LONG)
TUBE, BREW SUPPLY VENTED ASSEMBLY
TUBE, FILL (SILICONE,
SOLENOID, BREW (DUMP)
ELBOW, BREW
GASKET, SPRAY HEAD
SPRAY DISK
SOLENOID, FILL
ELBOW, VENT
48
INSERT, SPRAY HEAD
83571
ALL
13
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SERVICING INSTRUCTIONS - ELECTRICAL
FUNCTION
WARNING:
RISK OF INJURY
1. Pressing the POWER key energizes the unit. The
POWER LED will glow whenever the unit is ON.
The following servicing sections
are for operator reference only.
All servicing and/or repairs must
be performed by a qualified
technician
2. Automatic fill is accomplished via a FILL SOLENOID
(32) and a WATER LEVEL PROBE (7). The probe
senses ground through the water in the tank. When the
water level falls below the probe and ground is no longer
sensed, the CONTROLLER (20) energizes the fill
solenoid (32) until the water level again reaches the
water level probe.
3. Pressing any VOLUME key selects that pre-programmed
volume.
4. Pressing the BREW key begins the brew cycle.
Pressing the CANCEL key at any time during the
brew cycle terminates the brew. The BREW SOLENOID
(18) is energized by the CONTROLLER (20) for a time
determined by the BREW TIME setting.
A second brew can be started only after the brew time
plus the DRIP OUT time has elapsed.
5. Brew water temperature is controlled via a WATER
TEMPERATURE SENSOR (3) and a HEATING
ELEMENT (15) controlled by a TRIAC (17) electronic
switch. The element is energized according to the
sensed water temperature and the BREW TEMP setting.
An over-temperature condition will trip the HI-LIMIT
THERMOSTAT (4), de-energizing the heating element.
Note: On 120 volt units, hi-limit will automatically reset
once the tank has cooled by approximately 30ºF. On
240 volt units and dual voltage units, the hi-limit must be
manually reset by pressing the red button after the unit
cools.
6. The unit will revert to the energy-saver mode some
time after the last brew, based on AFTER HOURS TIME
setting.
Reset Hi-Limit Thermostat
240 V & Dual Voltage Units
14
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SERVICING INSTRUCTIONS - ELECTRICAL (continued)
ITEM DESCRIPTION
PART N0.
USED ON
3
4
PROBE, TEMPERATURE
83480
ALL
THERMOSTAT, HI-LIMIT SAFETY (120V)
THERMOSTAT, HI-LIMIT SAFETY (240V)
83949
8552-50
2080, 2082
ALL except 2080, 2082
5
7
GROMMET, TEMP PROBE
SENSOR, WATER LEVEL
84063
83521
83532
ALL
ALL
ALL
8
SLEEVE, WATER LEVEL SENSOR
15
ELEMENT, HEATER 1500W (120V)
ELEMENT, HEATER 1200W (120V)
ELEMENT, HEATER 3200 W (240V)
ELEMENT, HEATER 1500/3200W
ELEMENT, HEATER 1800/3200W
83518
83747
83748
84008
84009
2080, 2082
2080CA, 2082CA
2086, 2088
2083CA, 2085CA
2083, 2085
DUAL
VOLTAGE
17
20
ASSEMBLY, TRIAC & HEATSINK
83475
ALL
CONTROLLER, 120V
CONTROLLER, 240V
CONTROLLER, CUSTOM PROGRAM
83481
83826
86292
ALL (except -EX, -SNB)
2086EX, 2088EX
2082SNB
33
34
36
39
41
POWER CORD (120V)
6407-15
51218
2080, 2082
2080, 2082
ALL
STRAIN RELIEF, POWER CORD
OVERLAY DECAL, KEYPAD
TERMINAL STRIP, 4-POLE
SWITCH ROCKER ON-OFF
85018
8552-18
82936
2086, 2088
2086, 2088
15
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SERVICING INSTRUCTIONS — DE-LIMING HEATER TANK
CAUTION - CHEMICAL
BURN HAZARD
1. Disconnect brewer form the electrical supply. Turn off
the water supply and disconnect water supply from the
brewer inlet fitting.
De-liming chemicals are caustic.
Wear appropriate protective gloves
and goggles during this procedure.
2. Remove the top panel or top warmer section to gain
access to internal components.
3. Disconnect water level sensor and water temperature
sensor from the controller. On 120V units, slip hi-limit
thermostat from under its holder clip. Disassemble the
three lid clips and lift the lid off of the water tank. Store
lid assembly in a safe location.
CAUTION - CHEMICAL
BURN HAZARD
Never siphon de-liming chemicals
or solutions by mouth.
This operation must only be
performed by qualified and
experienced service personnel.
4. Mix de-liming solution according to the manufacturer’s
directions. Add the de-liming solution to the water tank.
Set lid assembly back on 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 interior components of lid assembly
with clear water. Wipe temperature sensor and water
level sensor with a clean, soft cloth. Store lid assembly
in a safe location.
IMPORTANT: DO NOT spill,
splash or pour water or de-liming
solution into or over any internal
component other than the inside of
the water tank.
6. Using a stiff bristle brush, scrub the coils of the heating
element and the interior surfaces of the water tank.
IMPORTANT: DO NOT allow any
internal components to come into
contact with the de-liming solution.
Take care to keep all internal
components dry.
7. Siphon the used solution and loose lime/scale into an
appropriate container. Dispose of the used solution as
required by local ordinances.
CAUTION: Never siphon by mouth. Serious injury can
result!
NOTE: Repeat steps 4 thru 7 as
required to remove all scale and
lime build-up.
8. Fill the water tank with clean tap water. Rinse
thoroughly, then siphon the rinse water into an
appropriate container for disposal. Again, take care to
keep all internal components dry.
NOTE: Normally, silicone hoses
do not need to be de-limed.
Should de-liming hoses become
necessary, Bloomfield Industries
recommends replacing the hoses.
9. Reassemble the tank lid to the water tank. Make sure
the gasket is properly attached to the lid before
assembling the lid clips. Re-connect the water level and
temperature probes, then reinstall the hi-limit thermostat
(if removed). Verify that all internal components are dry,
then reinstall the top panel.
10. Reconnect brewer to water and electrical. Run and
discard at least three full decanters from the faucet.
Install the brew chamber without filter paper or grounds,
then run and discard at least three full decanters as
normal brew.
11. Brewer is ready to use.
16
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TROUBLESHOOTING SUGGESTIONS
If the E-Max™ goes into the error diagnostic mode as outlined below, it will likely be necessary to
reset the brewer in order to test individual components. Note the reset procedure below:
*
For the first four error modes, press and hold CANCEL for 3 seconds, or RE-ENERGIZE the
brewer by disconnecting from electric power for 5 seconds, then reconnecting.
From “VALVE FAULT”, the brewer must be RE-ENERGIZED! Using the CANCEL button will not
reset the brewer from “Valve Fault”.
*
The Test Program will also assist in isolating and testing specific components. As an example to test
the three main components in the heater system, go to the test program and proceed to turn the
“heater on”. Use a meter or test light to determine if power is getting to and from: the triac, the high
limit and the element.
SUGGESTIONS FOR REMEDIAL ACTION
ERROR MESSAGE CAUSE
1. Temp Probe may not be connected properly, or may be defective. CHECK &
CORRECT. To test probe, go to Test Program and view probe value. A value
of over 155 indicates a defective probe; a value of under 15 indicates a bad
connection of the probe to the board. With an ohmmeter measure resistance of
1. “Probe/Heater”
Error
RESET by
holding
Controller has turned
heating element on for 5
minutes without sensing a
+2ºF change in water
CANCEL switch temperature.
for 3 seconds
probe. At 212ºF, resistance is approx. 2,000
Ω
. If less than 1800
Ω
at room
temperature probe is defective.
,
2. May be boiling due to high altitude (boiling point below Brew Temp.) or Triac
has failed ON and hi-limit has interrupted power to heating element. REDUCE
BREW TEMP. CHECK TRIAC; REPLACE IF DEFECTIVE.
3. Heating element defective. CHECK ELEMENT; REPLACE IF DEFECTIVE.
4. Hi-limit thermostat may be cutting out at too low a temperature. CHECK HI-
LIMIT THERMOSTAT; REPLACE IF DEFECTIVE. (Note; hi-limit will reset
itself if allowed to cool by 30ºF, making troubleshooting a challenge as the brewer
cools then functions normally.)
5. Heating element may be encrusted with lime or scale build-up. DELIME BREWER
AS DETAILED ON PAGE 16.
2. “Overheat” Error Water temperature has
1. Brew Temperature may be set too close to Maximum Temperature. Brew
Temperature should be at least 5ºF below Maximum Water Temperature.
LOWER BREW TEMPERATURE or RAISE MAXIMUM TEMPERATURE
(Software versions after May, 1999 enforce the 5ºF differential)
2. Triac has failed ON; element continues to heat even when controller is OFF.
CHECK TRIAC; REPLACE IF DEFECTIVE.
RESET by
holding
exceeded Maximum Water
Temperature programmed
CANCEL switch into “Machine Settings”
for 3 seconds
menu.
3. Temp Probe defective. See probe test procedure in Item #1 above. CHECK
PROBE; REPLACE IF DEFECTIVE.
3. “No Water
Sensed” Error
RESET by
holding
Inlet valve energized but
no water is sensed during
regular operation for 60
seconds; or.
1. Sleeve on water level sensor is too long, or sensor is not pushed down fully.
Sensor should extend beyond sleeve a minimum of ¼” to a maximum of l”.
REMOVE TANK LID, CUT SLEEVE TO PROPER LENGTH. ENSURE SENSOR
IS PUSHED DOWN ALL THE WAY.
CANCEL switch no water sensed during
2. Wiring to water level sensor disconnected or defective; or, sensor pulled out of
tank. CHECK & CORRECT.
3. Water level sensor may be encrusted with lime build-up. CLEAN SENSOR.
4. Water supply may be OFF. CHECK & RESTORE WATER SUPPLY.
for 3 seconds
start-up (manual or timed)
for 4½ minutes.
4. “Keyswitch
Locked” Error
RESET as
above
A switch on the keypad
has been held down for
more than 10 seconds.
1. Switch has been accidentally held for 10 or more seconds. RELEASE SWITCH
2. Defective keypad. PRESS & HOLD “CANCEL” FOR 3 SECONDS. Observe
brewer to determine if problem persists. (Note: available on software versions
MFW 275 Rev. 3.4 and later versions only).
5. “Valve Fault”
Error
RESET by
disconnecting/
reconnecting
electric power
Detection of a problem with
the valve switching system,
or with the wiring to the
valves.
1. Wiring to either inlet or outlet valve not properly connected. CHECK WIRING AND
CONNECTIONS.
2. The controller has two switches for each valve and one or both has been detected
as failing ON. (This prevents the brewer from operating unless both switches are
working properly.) REPLACE CONTROLLER.
17
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EXPLODED VIEW & PARTS LIST
AIRPOT BREWER
MODELS: 2082, 2083, 2088
18
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EXPLODED VIEW & PARTS LIST (continued)
ITEM
1
PART #
DESCRIPTION
QT ITEM
PART #
DESCRIPTION
QT
8763-1
FAUCET HOT WATER
1
66385
9012-38
FITTING, CONDUIT 3/4" STR 240V
STRAIN RELIEF LIQ. TIGHT 120V
1
42
83500
83753
84010
TANK ASST 8 QT
TANK ASSY 8 QT 240V
TANK ASSY 8 QT DUAL VOLTAGE
1
1
1
63046
8033-56
8033-55
83571
PLUG, HOLE 1" 120V
CAP LEVELER
1
4
4
1
1
4
2
3
4
43
45
46
48
50
51
83480
83949
THERMISTOR 5-1/2"
LEG LEVELER PLATED
INSERT, SPRAY HEAD
BRACKET POSITIONING
SPACER
THERMO HI-LIMIT CERAMIC 120V
8552-50 THERMO HI-LIMIT RESET 240V
84713
84063
83499
83521
83532
83504
83506
83537
83538
83384
86013
THERMO HI-LIMIT 25A SCREW TERM
83810
GROMMET .510 x .250 id
1
1
1
1
1
3
1
1
1
1
5
6
63201
GASKET TANK COVER
CABINET COMPONENTS
COVER, DUAL WARMER
UPPER HOUSING
LOWER HOUSING
ASSY BOTTOM PLATE
PANEL FRONT
PROBE ASSY WATER LEVEL
SLEEVE WATER LEVEL PROBE
COVER ASSY TANK
7
1
1
1
1
1
1
101
102
103
104
105
106
8
9
RETAINING CLIP TANK COVER
TUBE SILICONE 9" LONG
10
11
12
13
14
TUBE SILICONE 10" LONG
TUBE, SPRAY HEAD, 2.3" LONG
BREW SUPPLY VENTED ASSY
BASE
8942-6B
8707-6
BREW CHAMBER, PLASTIC
BREW CHAMBER STAINLESS STEEL
1
200
POF
COFFEE FILTER, PAPER (pack of 1000)
STANDARD FASTENERS
SCREW PHL 8-32 x 1/2"
83518
83519
83748
HEATING ELEMENT 1500W 120V
HEATING ELEMENT 1800W 120V
HEATING ELEMENT 3200W 240V
1
15
7506-39
3
30
4
a
b
c
d
e
g
k
n
t
83540
83475
TUBE SILICONE 23" LONG
HEAT SINK & TRIAC ASSY
1
1
16
17
SCREW PHL SS 8 x 3/8
D 20002-3 SCREW PAN PHL SS 10-32 x 5/16
NUT KEP 8-32
83388
84619
WATER OUTLET VALVE 120V
WATER OUTLET VALVE 240V
1
1
18
19
10
2
83152
ELBOW SPRAYER
SCREW PAN 4mm x 6mm
83474
83826
86292
BOARD SET, CONTROLLER, 120V
BOARD SET, CONTROLLER, 240V
BOARD SET, CONTROLLER, for 2082 SNB
SCREW PAN 8-32 x 1/4 Ni
2
1
20
616-5
7200-6X
82681
SCREW RND SLT SS 6-32 x 3/4
SCREW 8-32 x 5/16
2
83516
82215
82727
83147
FITTING w/EXTENSION
GASKET, SPRAYHEAD 1/5" ID
SPRAY DISK EMPOSSED
WASHER, GYLON
1
1
1
6
1
21
23
24
25
26
17
1
WASHER FLAT SS 15/32 ID x 1-1/8 OD
8043-28 NUT, HEX BRASS 1/2-20
83612
84777
ASSY, WATER INLET SOLENOID, 120V
ASSY, WATER INLET SOLENOID, 240V
1
32
6407-15 CORD ASSY 120V
1
1
1
1
1
1
1
33
34
35
36
37
39
40
51217
STRAIN RELIEF 90º CLAMP
BRACKET, WATER OUTLET VALVE
DECAL, KEYPAD OVERLAY
85018
83745
7/16-20 FEM x 7/16-20 MALE
PART #
VALVE REPAIR KIT
8552-18 TERMINAL BLOCK 240V
CONTAINS 32-1 CAP, 32-2 FITTING,
32-3 GASKET AND 32-4 STRAINER
85218
85219
83571
INSERT, SPRAYHEAD
83763
82936
SWITCH 120V
SWITCH, ROCKER ON-OFF 240V
32-4 STRAINER ONLY
1
41
19
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EXPLODED VIEW & PARTS LIST (continued)
THERMAL BREWER
MODELS: 2080, 2085, 2086
20
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EXPLODED VIEW & PARTS LIST (continued)
ITEM
1
PART #
DESCRIPTION
Q
ITEM
PART #
DESCRIPTION
QT
8763-1
FAUCET HOT WATER
1
66385
9012-38
FITTING, CONDUIT 3/4" STR 240V
STRAIN RELIEF LIQ. TIGHT 120V
1
42
83500
83753
84010
TANK ASST 8 QT
TANK ASSY 8 QT 240V
TANK ASSY 8 QT DUAL VOLTAGE
1
1
1
63046
8033-56
8033-55
83571
PLUG, HOLE 1" 120V
CAP LEVELER
1
4
4
1
1
4
2
3
4
43
45
46
48
50
51
83480
83949
THERMISTOR 5-1/2"
LEG LEVELER PLATED
INSERT, SPRAY HEAD
BRACKET POSITIONING
SPACER
THERMO HI-LIMIT CERAMIC 120V
8552-50 THERMO HI-LIMIT RESET 240V
84713
84063
83499
83521
83532
83504
83506
86014
83538
83384
86013
THERMO HI-LIMIT 25A SCREW TERM
83810
GROMMET .510 x .250 id
1
1
1
1
1
3
2
1
1
1
5
6
63201
GASKET TANK COVER
CABINET COMPONENTS
COVER, DUAL WARMER
UPPER HOUSING
LOWER HOUSING
ASSY BOTTOM PLATE
PANEL FRONT
PROBE ASSY WATER LEVEL
SLEEVE WATER LEVEL PROBE
COVER ASSY TANK
7
1
1
1
1
1
1
101
102
103
104
105
106
8
9
RETAINING CLIP TANK COVER
TUBE SILICONE 4.5" LONG
TUBE SILICONE 10" LONG
TUBE, SPRAY HEAD, 2.3" LONG
BREW SUPPLY VENTED ASSY
10
11
12
13
14
BASE
8942-6B
8707-6
BREW CHAMBER, PLASTIC
BREW CHAMBER STAINLESS STEEL
1
200
POF
COFFEE FILTER, PAPER (pack of 1000)
STANDARD FASTENERS
SCREW PHL 8-32 x 1/2"
83518
83519
83748
HEATING ELEMENT 1500W 120V
HEATING ELEMENT 1800W 120V
HEATING ELEMENT 3200W 240V
1
15
7506-39
3
30
4
a
b
c
d
e
g
k
n
t
83540
83475
TUBE SILICONE 23" LONG
HEAT SINK & TRIAC ASSY
1
1
16
17
SCREW PHL SS 8 x 3/8
D 20002-3 SCREW PAN PHL SS 10-32 x 5/16
NUT KEP 8-32
83388
84619
WATER OUTLET VALVE 120V
WATER OUTLET VALVE 240V
1
1
1
18
19
20
10
2
83152
ELBOW SPRAYER
SCREW PAN 4mm x 6mm
83474
83826
BOARD SET, CONTROLLER, 120V
BOARD SET, CONTROLLER, 240V
SCREW PAN 8-32 x 1/4 Ni
2
616-5
7200-6X
82681
SCREW RND SLT SS 6-32 x 3/4
SCREW 8-32 x 5/16
2
83516
82215
82727
83147
FITTING w/EXTENSION
GASKET, SPRAYHEAD 1/5" ID
SPRAY DISK EMPOSSED
WASHER, GYLON
1
1
1
6
1
21
23
24
25
26
17
1
WASHER FLAT SS 15/32 ID x 1-1/8 OD
8043-28 NUT, HEX BRASS 1/2-20
83612
84777
ASSY, WATER INLET SOLENOID, 120V
ASSY, WATER INLET SOLENOID, 240V
1
32
6407-15 CORD ASSY 120V
1
1
1
1
1
1
1
33
34
35
36
37
39
40
51217
STRAIN RELIEF 90º CLAMP
BRACKET, WATER OUTLET VALVE
DECAL, KEYPAD OVERLAY
85018
83745
7/16-20 FEM x 7/16-20 MALE
PART #
VALVE REPAIR KIT
8552-18 TERMINAL BLOCK 240V
8043-11 ELBOW, VENT
CONTAINS 32-1 CAP, 32-2 FITTING,
32-3 GASKET AND 32-4 STRAINER
85218
85219
83763
82936
SWITCH 120V
SWITCH, ROCKER ON-OFF 240V
32-4 STRAINER ONLY
1
41
21
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WIRING DIAGRAMS
120 VOLT BREWERS
AIRPOT and THERMAL
MODEL 2080 & 2082
White #9
Blue #2
White #8
Tank Heater
120 Volt
1200 Watts/
1500 Watts
Orange/
Black #5
Brown #1
14 ga.
Orange/
Black #4
Red #3
Red #3
Brown #1
Blue #2
Black #6
White #11
Black #6
Black #7
White #9
White #10
White #8
p/n 73584
22
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WIRING DIAGRAMS (continued)
120/240 VOLT BREWERS
AIRPOT and THERMAL
MODEL 2086 & 2088
White #8
White #9
Blue #2
Tank Heater
3200 Watt
240 Volt
120/240
3200
Single Phase
Brown #1
Red #10
Red #3
Red #3
Brown #1
Blue #2
Black #6
Black #13
4
3
1
2
Black #6
Black #12
White #7
White #9
White #7
White #8
Red #11
Green #14
p/n 73852
23
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WIRING DIAGRAMS (continued)
240 VOLT BREWERS
AIRPOT and THERMAL
MODEL 2086EX & 2088EX
24
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NOTES
25
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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
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