Bloomfield 8742 User Manual

606  
OWNERS MANUAL  
for  
ICED TEA  
BREWING SYSTEM  
MODELS:  
8742  
8748  
Includes:  
Installation  
Operation  
Use & Care  
Servicing Instructions  
Model 8748 Brewer  
with optional  
8602 Iced Tea Dispenser  
PRINTED IN UNITED STATES OF AMERICA  
p/n 76116 Rev. E ECN-12888  
M606 050614 cps  
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  
3
4
6
maintenance of this appliance will  
ensure that it gives you the very  
best performance and a long,  
economical service life.  
BREWING TEA  
8
CLEANING INSTRUCTIONS  
TROUBLESHOOTING SUGGESTIONS  
SERVICING INSTRUCTIONS  
Deliming Instructions  
EXPLODED VIEW & PARTS LIST  
WIRING DIAGRAMS  
9
This manual contains the  
10  
11  
15  
16  
19  
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  
MODEL  
DIMENSIONS  
VOLTS  
WATTS  
AMPS  
1ø  
POWER SUPPLY  
CORD  
8742  
32-1/4" high  
10-15/16" wide  
15-11/16" deep  
3 Gallon  
Iced Tea  
Brewer  
120  
1500  
12.5  
12.5  
NEMA 5-15P  
NEMA 5-15P  
8748  
35-1/4" high  
10-15/16" wide  
15-11/16" deep  
5 Gallon  
Iced Tea  
Brewer  
120  
1500  
APPLICABILITY  
This manual applies to the following Bloomfield Industries products:  
8742  
8748  
1
FEATURES AND OPERATING CONTROLS  
2
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  
dispenser 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  
listed under UL file E9253.  
This brewer meets  
operated and maintained in accordance with the enclosed  
instructions.  
Standard 4 only when installed,  
E9253  
STD 4  
3
INSTALLATION  
READ THIS CAREFULLY BEFORE STARTING THE INSTALLATION  
IMPORTANT:  
Unpack the unit. Inspect all components for completeness and  
condition. Ensure that all packing materials have been removed  
from the unit.  
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, and that a rubber foot is installed on each leg.  
CAUTION: Equipment  
Electrical Damage  
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.  
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.  
Level the unit from left to right and front to back by turning the  
adjustable feet. Be sure all four feet touch the counter to prevent  
tipping.  
PLUMBER’S INSTALLATION INSTRUCTIONS  
CAUTION: Unstable  
Equipment Hazard  
Brewer must 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.  
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.  
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.  
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.  
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.  
The provided water line strainer must be installed in the supply  
line, between the shutoff valve and inlet fitting. Note FLOW  
arrow marking on strainer body.  
4
INSTALLATION (continued)  
NSF requires that the brewer be able to be moved for cleaning  
underneath. A flex line or loops of copper tubing will satisfy this  
requirement. See Figure 2 below.  
NOTE: This equipment must be  
installed to comply with  
applicable federal, state and  
local plumbing codes and  
ordinances.  
WARNING ELECTRIC  
SHOCK HAZARD:  
Brewer must be properly  
grounded to prevent possible  
shock hazard. DO NOT  
assume a plumbing line will  
provide such a ground.  
Fig. 2 Water Supply Installation  
Electrical shock will cause death  
or serious injury.  
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 8742 and 8748 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: Do not connect  
brewer to electrical power until  
you are ready to fill the tank.  
See instructions at left.  
GROUND  
PIN  
NEMA 5-15R  
RECEPTACLE  
NEMA 5-15P  
PLUG  
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 exist-  
ing receptacle. Contact a li-  
censed electrician to install the  
proper circuit and receptacle.  
5
OPERATION  
Fig. 3 Brewer Operation Diagram  
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 pressing TANK  
HEATER SWITCH "ON".  
Heating elements will be  
damaged if allowed to  
operate without being  
fully submerged in water.  
Damage caused by  
extended period of time:  
Be sure spray disk and brew gasket are properly installed in the  
brew head.  
Be sure the water supply is properly connected and the water  
supply valve is turned ON.  
Be sure the WATER TANK IS FILLED.  
operating the brewer  
without water in the tank  
is NOT COVERED BY  
WARRANTY.  
IMPORTANT: Fill the water tank before energizing this unit:  
1. Insert the brew chamber (empty) and place an empty dispenser in  
place under the brew chamber.  
2. Be sure the TANK HEATER SWITCH is "OFF". Plug the unit into an  
appropriate receptacle.  
3. Press The BREW switch. Water will start filling the tank. Run  
several consecutive brew cycles until water flows from the brew  
chamber.  
5. When water stops dripping from the brew chamber, empty the  
dispenser, then press TANK HEAT switch "ON". The heating  
element will begin heating water in the tank. When the water has  
reached the proper brewing temperature, the “READY TO BREW”  
light will glow.  
6
OPERATION (continued)  
WATER HEATER  
Water temperature is sensed by a thermobulb  
inserted into the water tank. This temperature  
signal is fed to the mechanical thermostat.  
The temperature setpoint is adjustable. Heating  
element is energized by the thermostat.  
Excessive temperature will trip the hi-limit safety  
switch. The hi-limit will automatically reset when  
the brewer cools.  
WATER FLOW  
AUTOMATIC OPERATION  
Fig. 4 Heat Control Diagram  
Pressing the BREW switch starts the timer, which  
in turn energizes the solenoid valve. This allows  
water from an external water supply to flow into  
the water tank. The incoming water forces heated  
water out of the tank to perform the brew.  
Additionally, a portion of the unheated water is  
bypassed into the dispenser to dilute and cool the  
brew. The proportion of water delivered to the  
brew versus the amount water diverted to dilution  
is controlled by a restrictor in the bypass line, and  
an adjustable needle valve in the brew water line.  
The solenoid uses a flow control device so that  
flow is consistent between 20 p.s.i. and 90 p.s.i.  
Fig. 5 Water Flow Diagram  
The length of time the solenoid is open is  
controlled by the timer setting.  
7
BREWING TEA  
CAUTION:  
Burn Hazard  
A. PREPARATION  
Examine the tea brew chamber  
to verify that the short the wire rack  
is in place.  
Exposed surfaces of the  
brewer, brew chamber and  
dispenser may be HOT to  
the touch, and can cause  
serious burns.  
Place one (1) genuine Bloomfield  
paper filter into the wire rack in the  
tea brew chamber.  
Add an amount of fresh tea leaves  
to the brew chamber appropriate to  
the brew volume.  
CAUTION:  
Burn Hazard  
Model 8742: 3 Gallons  
Model 8748: 5 Gallons  
To avoid splashing or  
overflowing hot liquids,  
ALWAYS place an empty  
dispenser under the brew  
chamber before starting  
the brew cycle. Failure to  
comply can cause serious  
burns.  
Fig. 7 Tea Brew Chamber  
Gently shake the brew chamber to  
level the bed of tea leaves.  
Slide the brew chamber into place  
under the brew head.  
B. AUTOMATIC OPERATION  
BE sure “READY TO BREW” light is lit.  
CAUTION:  
Burn Hazard  
Place the appropriate EMPTY dispenser in place under the brew  
chamber. If a brew-thru lid is used, be sure the bypass opening in  
the lid is directly under the bypass nozzle.  
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.  
Press the “BREW” switch. The tea brew solenoid will open for  
an amount of time determined by the timer setting, admitting a  
measured quantity of water into the tank.  
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 tea will begin to fill the  
dispenser. Additionally, a measured amount of cold dilution water  
will flow from the bypass nozzle into the dispenser.  
When the flow and all dripping stops at the end of the brew cycle,  
the tea 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
CLEANING INSTRUCTIONS  
CAUTION:  
Burn Hazard  
PROCEDURE: Clean Tea Brewer  
PRECAUTIONS: Disconnect brewer from electric power.  
Allow brewer to cool.  
Brewing and serving  
temperatures of tea are  
extremely hot.  
Hot tea 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.  
2. Remove dispenser.  
Do not submerge or immerse  
brewer in water.  
3. Remove and empty brew chamber.  
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.  
IMPORTANT:  
DO NOT use steel wool, sharp  
objects, or caustic, abrasive or  
chlorinated cleansers to clean  
the brewer or dispensers.  
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. Be sure the wire rack is in place in the brew chamber, then  
reinstall the brew chamber.  
Fig. 8 Cleaning  
12. Clean dispensers by filling with warm soapy water. 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.  
Procedure is complete  
9
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,  
controller, power board and  
heating element  
Repair/replace as needed  
Tea 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 tea leaves  
Use correct amount of tea  
Sprays water from brew head  
No brew  
Spray gasket improperly  
installed  
Check/reinstall gasket on  
INSIDE of brew head  
Spray disk plugged  
Clean spray disk  
Damaged internal component  
or wiring  
Check switches, timer and  
solenoid.  
Repair, replace as needed  
Water supply OFF  
Turn water supply ON  
Clean strainer  
"Y" Strainer or solenoid inlet  
strainer plugged  
Water filter (if used) plugged  
Replace filter element  
Poor tea quality  
Keep brewer and dispenser clean.  
Install a taste and odor filter in water supply, and replace  
cartridges regularly.  
Use a quality fresh supply of tea leaves. Use the amount of tea  
leaves appropriate to brew volume.  
The needle valve adjusts the ratio of brew water to dilution water.  
Set the needle valve to adjust the strength of the final brew.  
10  
SERVICING INSTRUCTIONS  
ACCESS PANELS  
TOP PANEL:  
CAUTION  
Electric Shock  
Hazard  
Remove top panel to access hot water tank, thermostat, timer,  
brew solenoid and brew circuit tubing.  
Opening access panels on this  
brew may expose uninsulated  
electrical components.  
Disconnect brewer from  
electrical power before  
Top panel is held by two screws at the rear and a retaining lip at  
the front .  
REAR PANEL:  
removing any panel.  
Remove rear panel to access wiring and bypass nozzle tubing.  
Rear panel is held by eight screws on the perimeter.  
Fig. 8 Access Panels  
11  
SERVICING INSTRUCTIONS (continued)  
TEMPERATURE ADJUSTMENT  
CAUTION  
Electric Shock  
Hazard  
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 hole. Reconnect brewer to electrical power.  
Place empty container under brew chamber. Energize brewer  
and allow unit to heat. When the READY TO BREW light first  
glows, read the temperature displayed on thermometer.  
technical personnel only.  
Adjust thermostat by turning shaft; clockwise increases  
temperature. 1/8 turn = approximately 10ºF, or 5.6ºC.  
Refer to Table 1 below for proper brewing temperature based on  
altitude.  
NOTE: Optimum brewing  
temperature is 195ºF to 205ºF  
(90ºC to 96ºC).  
Thermostat should be adjusted  
to a maximum temperature of  
200ºF (95ºC).  
IMPORTANT:  
A mechanical thermostat will  
maintain temperature within  
±5ºF.  
To prevent boiling water in the  
brewer, controller should be  
adjusted to a maximum  
temperature equal to the local  
boiling temperature minus 5ºF,  
or 200ºF (94ºC), whichever is  
less.  
Upon completion, remove thermometer and reinstall the vent line  
and top panel.  
Fig. 9 Checking and Adjusting Brew Temperature  
BOILING  
POINT OF  
WATER  
210  
205  
200  
IDEAL  
BREWING  
TEMPERATURE  
MAXIMUM  
TEMPERATURE  
SETTING  
195  
190  
NOTE: 1/8 turn = approximately  
10ºF (5.6ºC).  
ELEVATION (feet above seal level)  
BOILING  
POINT OF  
WATER  
100  
97  
Fig. 10 Adjust Thermostat  
IDEAL  
BREWING  
TEMPERATURE  
RANGE  
94  
91  
88  
MAXIMUM  
TEMPERATURE  
SETTING  
ELEVATION (meters above seal level)  
Table 1 Boiling Temperature by Altitude  
12  
SERVICING INSTRUCTIONS (continued)  
IMPORTANT: Water pressure  
must be between 20 p.s.i and  
SOLENOID TIME ADJUSTMENT  
The amount of water dispensed automatically during a brew cycle  
is controlled by the SOLENOID TIME section of the controller.  
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 dispenser under brew chamber. Press the BREW  
switch. Including both brew water and dilution water, brewer  
should dispense:  
A total of 3 gallons (Model 8742) of water; or,  
A total of 5 gallons (Model 8748) of water.  
To adjust:  
Remove top panel.  
Total delivered volume is dependant upon the total time the  
solenoid is energized. Adjust timer; clockwise increases time;  
counterclockwise decreases time. Run several cycles to check  
total amount of water delivered.  
Adjust dilution. Turn needle valve all the way in (closed), then  
open 4-1/2 turns.  
Brew several batches of tea to check for proper concentration  
and taste. Readjust needle valve and timer as required.  
Reinstall top panel.  
Fig. 11 Adjust Solenoid Time  
REMOVE TANK COVER ASSEMBLY  
IMPORTANT: Before setting  
assembly into tank, make sure  
tank lid gasket is properly  
seated on flange of lid.  
Unplug brewer or turn circuit breaker OFF. Turn OFF water  
supply. Remove top panel.  
Disconnect brew fill and outlet tubes from tank lid fittings.  
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.  
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.  
REPLACE THERMOSTAT  
Unplug brewer or turn circuit breaker OFF. Turn OFF water  
supply. Remove top panel.  
Disconnect all wiring from thermostat only. Loosen and free jam  
nut from pass-thru fitting securing temperature sensing bulb.  
Remove two screws holding thermostat to bracket.  
Lift out thermostat, sensing bulb and thermostat gasket.  
Reassemble in reverse order.  
13  
SERVICING INSTRUCTIONS (continued)  
IMPORTANT: When replacing  
heating element, also replace  
seal gaskets.  
REPLACE HEATING ELEMENT  
Remove tank cover assembly (see page 13).  
Remove two hex nuts holding element to cover. Pull element  
from mounting holes.  
Reassemble in reverse order.  
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 water  
supply OFF.  
Remove top panel.  
Disconnect wiring from solenoid.  
Unscrew water inlet piping from solenoid.  
Remove two screws holding solenoid to bracket.  
Remove brew and dilution manifold from solenoid, transfer  
components to new solenoid  
Transfer solenoid bracket to new solenoid.  
Reassemble in reverse order.  
REPLACE TIMER ASSEMBLY  
Unplug power cord or turn circuit breaker OFF.  
Remove top 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  
CLEAN STRAINER SCREEN  
Fig. 12 Water Line Strainer  
Unplug power cord or turn circuit breaker OFF. Turn water  
supply OFF.  
Remove bottom cap from strainer. Withdraw filter screen from  
strainer body.  
Clean screen with a suitable brush.  
Reassemble in reverse order.  
14  
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  
Large Sink (or other appropriate work area)  
This operation should only be  
performed by qualified and ex-  
perienced service personnel.  
1. Unplug power cord. Turn off the water shut-off valve and  
disconnect the water supply line from the brewer inlet fitting.  
2. Remove the tank cover 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 spill,  
splash or pour water or deliming  
solution into or over any internal  
component other than the inside  
of the water tank.  
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 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.  
NOTE: Repeat steps 4 thru 5  
as required to remove all scale  
and lime build-up.  
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 lid clamps.  
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.  
Reassemble piping for the faucet. Verify that all internal  
components are dry, then reinstall the top panel.  
10. Reconnect brewer to electrical supply and 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.  
15  
8742 - 8748 EXPLODED VIEW & PARTS LIST  
16  
8742 - 8748 EXPLODED VIEW & PARTS LIST (continued)  
17  
8742 - 8748 SERVICE KITS  
SOLENOID REPAIR KITS (SKINNER SOLENOID ONLY)  
8541-120CS  
8541-120K  
Coil Assembly (item 45-1)  
Solenoid Repair Kit (includes items 45-2 Spring,  
45-3 Plunger & x45-4 Seal Ring)  
Solenoid Repair Kit (includes items 45-2 Spring,  
45-3 Plunger & 45-4 Seal Ring  
plus 45t Service Wrench)  
8541-120JS  
8541-120KS  
Solenoid Repair Kit (includes items 45-2 Spring,  
45-3 Plunger, 45-4 Seal Ring  
& x45-5 Flow Control plus  
45t Service Wrench)  
8541-120F  
8541-120R  
Flow Control (item 45-5 includes  
45-6 Retainer Ring  
& 45-7 Flow Control Washer)  
Flow Control Washer Retaining Ring (item 45-6)  
8541-120FW Flow Control Washer (item 45-7)  
8541-120-WS Service Wrench (item 45t)  
18  
8742 - 8748 WIRING DIAGRAM  
19  
Bloomfield Industries, Inc.  
Division of Carrier Commercial Refrigeration  
In US and Canada  
Telephone: 775-698-5700  
Fax:  
Fax:  
888-492-2783  
800-356-5142 (for orders only)  
PRINTED IN UNITED STATES OF AMERICA  

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