Bunn Coffeemaker CW APS User Manual

®
BUNN  
CW-APS,  
CWT-TS &  
CWT-TSR  
OPERATING & SERVICE MANUAL  
BUNN-O-MATIC CORPORATION  
POST OFFICE BOX 3227  
SPRINGFIELD, ILLINOIS 62708-3227  
PHONE: (217) 529-6601 FAX: (217) 529-6644  
10690.0000F 8/00 ©1993 Bunn-O-Matic Corporation  
USER NOTICES  
Carefully read and follow all notices in this manual and on the equipment. All labels on the equipment should  
be kept in good condition. Replace any unreadable or damaged labels.  
#00831.0000  
#00656.0000  
#00658.0000  
10690 021800  
Page 3  
ELECTRICAL REQUIREMENTS  
CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up.  
Model 15 has an attached cordset and requires 2-wire grounded service rated 120 volts ac, 15 amp, single  
phase, 60 Hz.  
L2 RED  
WHITE  
WHITE  
120V A.C.  
208 OR 240V A.C.  
WHITE  
NEUTRAL  
L1 BLACK  
NEUTRAL  
L1 BLACK  
120V A.C.  
100V A.C.  
NEUTRAL  
L1BLACK  
120V A.C.  
Model 35 requires 3-  
wire, grounded service  
rated120/208or120/240  
volts ac, 20 amp, single  
phase, 60 Hz. Proceed as  
follows:  
Model 20 requires 2-  
wire, grounded service  
rated 120 volts ac, 20  
amp, single phase, 60 Hz.  
Proceed as follows:  
“A" & "B” models re-  
quire 2-wire, grounded  
service rated 200 volts ac  
or 240 volts ac, 20 amp,  
single phase, 50 Hz. Pro-  
ceed as follows:  
"Bmodelsrequire2-  
wire, grounded service  
rated 100 volts ac, 20  
amp, single phase, 50 Hz.  
Proceed as follows:  
Electrical Hook-Up  
CAUTION – Improper electrical installation will damage electronic components.  
1. An electrician must provide electrical service as specified.  
2. Using a voltmeter, check the voltage and color coding of each conductor at the electrical source.  
3. Place the heater switch at the rear of the brewer in the OFFlower position.  
4. Remove the front panel beneath the sprayhead.  
5. Feed the cord through the strain relief and connect it to the terminal block.  
6. Connectthebrewertothepowersourceandverifythevoltageattheterminalblockbeforeproceeding. Replace  
the front panel.  
7. If plumbing is to be hooked up later be sure the brewer is disconnected from the power source. If plumbing  
has been hooked up, the brewer is ready for Initial Set-Up.  
PLUMBING REQUIREMENTS  
Models CW-APS & CWT-TS:  
These models are completely portable and require no attached plumbing.  
Models CWT-APS, CWTF-APS, CWT-TS, CWTF-TS, CWT-TSR & CWT-TSR  
These brewers must be connected to a cold water system with operating pressure between 20 and 90 psi (138  
1
and620kPa)froma 2"orlargersupplyline. Ashut-offvalveshouldbeinstalledinthelinebeforethebrewer. Install  
a regulator in the line when pressure is greater than 90 psi (620 kPa) to reduce it to 50 psi (345 kPa). The water  
1
inlet fitting is 4" flare.  
1
3
NOTE - Bunn-O-Matic recommends 4" copper tubing for installations of less than 25 feet and 8" for more than  
1
25 feet from the 2" water supply line. A tight coil of copper tubing in the water line will facilitate moving the brewer  
to clean the countertop. Bunn-O-Matic does not recommend the use of a saddle valve to install the brewer. The  
size and shape of the hole made in the supply line by this type of device may restrict water flow.  
This equipment must be installed to comply with the Basic Plumbing Code of the  
Building Officials and Code Administrators International, Inc. (BOCA)  
and the Food Service Sanitation Manual of the Food and Drug Administration (FDA).  
10690 021800  
Page 4  
PLUMBING REQUIREMENTS (cont.)  
SECOND TYPE MODELS W/FAUCET  
EARLY MODELS W/OUT FAUCET  
1. Flush the water line and securely attach it to the  
flare fitting on the strainer.  
2. Turn on the water supply.  
THIRD TYPE MODELS W/FAUCET  
Models CWTF-APS, CWTF-TS CWTF-TSR:  
1. Flush the water line and securely attach it to the  
flare fitting on the strainer or tee.  
2. Turn on the water supply.  
3. Place an empty vessel beneath the faucet and lift  
the handle until water is dispensed.  
FIRST TYPE MODELS W/FAUCET  
10690 081100  
Page 5  
INITIAL SET-UP  
CAUTION - The brewer must be disconnected from the power source throughout the Initial Set-up, except  
when specified in the instructions.  
1. Insert an empty funnel into the funnel rails.  
2. Place an empty dispenser under the funnel.  
3. Place the heater switch at the rear of the brewer in the OFF(lower) position and connect the brewer to the  
power source.  
4. Fill the tank with water as directed:  
4A.Models CW-APS & CW-TS:  
Pour three pitchers of tap water into the screened area on top of the brewer. Allow approximately two minutes  
between pitchers for water to flow into the tank. While the third pitcher of water is entering the tank, the tank  
will fill to capacity and the excess will flow from the sprayhead, out of the funnel, and into the dispenser.  
4B.Models CWT-APS, CWTF-APS, CWT-TS, CWTF-TS, CWT-TSR & CWTF-TSR  
Connect the brewer to the power source, place the "ON/OFF" switch in the "ON" (upper) position, and  
momentarily press and release the start switch. Water will begin flowing into the tank. When water stops  
flowing into the tank, initiate a second and a third brew cycle. During the third brew cycle the tank will fill to  
its capacity and the excess will flow from the sprayhead, out of the funnel, and into the dispenser.  
5. When the flow of water from the funnel stops, place the heater switch at the rear of the brewer in the ON”  
(upper) position and wait approximately twenty minutes for the water in the tank to heat to the proper  
temperature. Some water will drip from the funnel during this time; this is due to expansion and should not  
occur thereafter.  
6. Empty the dispenser and initiate another brew cycle as directed:  
6A.Models CW-APS & CW-TS:  
Pour one pitcher of tap water into the screened area on top of the brewer.  
6B.Models CWT-APS, CWTF-APS, CWT-TS, CWTF-TS, CWT-TSR & CWTF-TSR  
Place the "ON/OFF" switch in the "ON" (upper) position, and momentarily press and release the start switch.  
7. Place the "ON/OFF" switch in the OFF(lower) position after water has stopped flowing from the funnel, and  
let the water in the tank reheat to the proper temperature.  
8. Empty the dispenser and proceed as directed:  
8A.Models CWA-PS & CW-TS:  
The brewer is now ready for use in accordance with the coffee brewing instructions on the next page.  
8B.Models CWT-APS, CWTF-APS, CWT-TS, CWTF-TS, CWT-TSR & CWTF-TSR  
Place the "ON/OFF" switch in the "ON" (upper) position, and momentarily press and release the start switch.  
Check the water volume in the dispenser after water has stopped flowing from the funnel. It should be 64  
ounces.  
9. If not, disconnect the brewer from the power source, remove the front panel, and adjust the brew timer as  
required. See Adjusting Brew Volumes. Replace the front panel, connect the brewer to the power source, and  
allow the water to reheat, start, and measure another brew cycle.  
10. Repeat step 9 until 64 oz water volume is achieved.  
11. The brewer is now ready for use in accordance with the coffee brewing instructions on the following pages.  
10690 062300  
Page 6  
ADJUSTING BREW VOLUMES  
CAUTION - Disconnect the power source from the brewer prior to the removal of any panel for the replacement  
or adjustment of any component.  
NOTE: Prior to setting or modifying batch sizes, check that the brewer is connected to water supply, the tank is  
properly filled, and a funnel and server are in place.  
1. Modifying batch sizes. To modify a batch volume, first check that the SET/LOCK switch is in the SET”  
position on the circuit board.  
To increase a batch size. Press and hold the START or BREW switch until three clicks are heard. Release the  
switch (Failure to release the switch within two seconds after the third click causes the volume setting to be  
aborted and previous volume setting will remain in memory) and press it again one or more times. Each time  
the switch is pressed, two seconds are added to the brew time period. Allow the brew cycle to finish in order  
to verify that the desired volume has been achieved.  
To decrease a batch size. Press and release the START or BREW switch once for every two-second interval  
to be removed from the total brew time period; then immediately press and hold down the START or BREW  
switch until three clicks are heard. Release the switch. (Failure to release the switch within two seconds after  
the third click causes the volume setting to be aborted and previous volume setting will remain in memory).  
Allow the brew cycle to finish in order to verify that the desired volume has been achieved.  
2. Setting batch sizes. To set a batch volume, first check that the SET/LOCK switch is in the SETposition on  
the circuit board. Press and hold the START or BREW switch until three distinct clicks are heard, and then  
release the switch. (Failure to release the switch within two seconds after the third click causes the volume  
setting to be aborted and previous volume setting will remain in memory). View the level of the liquid being  
dispensed. When the desired level is reached, turn the ON/OFF switch to OFF(lower). The brewer remem-  
bers this volume and will continue to brew batches of this size until the volume setting procedure is repeated.  
NOTE: When brewing coffee, batch volumes will decrease due to absorption by the coffee grounds.  
3. Setting programming disable feature. If it becomes necessary to prevent anyone from changing brew times  
once programmed, you can set the SET/LOCK switch to the LOCKposition. This will prevent any program-  
ming to be done until switch is once again placed in the SETposition.  
OPERATING CONTROLS  
Models CW-APS & CW-TS:  
These models function without operating controls.  
Models CWT-APS, CWTF-APS, CWT-TS, CWTF-TS, CWT-TSR & CWTF-TSR  
ON/OFF SWITCH  
Placingthe"ON/OFF"switchinthe"OFF"(lower)positionstopsbrewing. Stoppingabrewcycleafterithasbeen  
started will not stop the flow of water into the funnel until the tank syphons down to its proper level. Placing the  
switch in the "ON" (upper) position supplies power to enable the brew circuit.  
START SWITCH  
Momentarily pressing and releasing the switch starts a brew cycle when the "ON/OFF" switch is in the "ON"  
(upper) position.  
NOTE – The "ON/OFF" switch must be in the "ON" (upper) position to initiate and complete a brew cycle.  
10690 062300  
Page 7  
COFFEE BREWING  
1. Insert a BUNN® filter into the funnel.  
2. Pour the fresh coffee into the filter and level the bed of grounds by gently shaking.  
3. Slide the funnel into the funnel rails.  
4. Place an empty dispenser beneath the funnel.  
5. Operate the brewer as directed:  
5A.Models CW-APS & CW-TS:  
Pour one pitcher of tap water into the screened area on top of the brewer.  
5B.Models CWT-APS, CWTF-APS, CWT-TS, CWTF-TS, CWT-TSR & CWTF-TSR  
Place the "ON/OFF" switch in the "ON" (upper) position. Momentarily press and release the start switch.  
6. When brewing is completed, simply discard the grounds and filter.  
CLEANING  
1. The use of a damp cloth rinsed in any mild, non-abrasive, liquid detergent is recommended for cleaning all  
surfaces on Bunn-O-Matic equipment.  
2. Check and clean the sprayhead. The sprayhead holes must always remain open.  
3. With the sprayhead removed, insert the deliming spring (provided) all the way into the sprayhead tube. When  
inserted properly, no more than two inches of spring should be visible. Saw back and forth five or six times.  
NOTE – In hard water areas, this may need to be done daily. It will help prevent liming problems in the brewer  
and takes less than a minute.  
10690 062300  
Page 8  
TROUBLESHOOTING  
A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems  
encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic  
Technical Service Department.  
Inspection, testing, andrepairofelectricalequipmentshouldbeperformedonlybyqualifiedservicepersonnel.  
All electronic components have 120 volt ac and low voltage dc potential on their terminals. Shorting of  
terminals or the application of external voltages may result in board failure.  
Intermittent operation of electronic circuit boards is unlikely. Board failure will normally be permanent. If an  
intermittent condition is encountered, the cause will likely be a switch contact or a loose connection at a  
terminal or crimp.  
Solenoid removal requires interrupting the water supply to the valve. Damage may result if solenoids are  
energized for more than ten minutes without a supply of water.  
Theuseoftwowrenchesisrecommendedwheneverplumbingfittingsaretightenedorloosened. Thiswillhelp  
to avoid twists and kinks in the tubing.  
Make certain that all plumbing connections are sealed and electrical connections tight and isolated.  
This brewer is heated at all times. Keep away from combustibles.  
WARNING – Exercise extreme caution when servicing electrical equipment.  
Unplug the brewer when servicing, except when electrical tests are specified.  
Follow recommended service procedures  
Replace all protective shields or safety notices  
PROBLEM  
PROBABLE CAUSE  
1. No water  
REMEDY  
Brew cycle will not start (CWT-  
APS,CWTF-APS,CWT-TS,CWTF-  
TS, CWT-TSR &CWTF-TSR)  
Waterlinesandvalvestothebrewer  
must be open.  
2.Nopowerorincorrectvoltageto  
the brewer  
(A1) Check the terminal block for  
120 volts across the black and  
white terminals on two wire 120  
volt brewers.  
(A2) Check the terminal block for  
120 volts across the red and white  
terminals and the black and white  
terminal on three wire 120/240  
volt brewers.  
(A3) Check the terminal block for  
200 volts on "B Series" brewers or  
240 volts on "A Series" brewers  
across the red and black termi-  
nals.  
(A4) Check the terminal block for  
100 volts on "B Series" brewers  
across the white and black termi-  
nals.  
(B)Checkcircuitbreakersorfuses.  
10690 091596  
Page 9  
TROUBLESHOOTING (cont.)  
PROBLEM  
PROBABLE CAUSE  
REMEDY  
Refer to Service - ON/OFF Switch  
for testing. See page 18  
Brew cycle will not start (cont.)  
(CWT-APS, CWTF-APS, CWT-TS,  
CWTF-TS, CWT-TSR &CWTF-  
TSR)  
3. ON/OFF Switch  
Refer to Service - Start Switch for  
testing procedures. See page 20  
4. Start Switch  
5. Timer  
RefertoService-Timerfortesting  
procedures. See page 25 or 27  
Refer to Service - Solenoid Valve  
for testing procedures. See page  
19  
6. Solenoid Valve  
(A) Direction of flow arrow must  
be pointing towards brewer.  
7. Water strainer/flow control  
(.222 GPM)  
(B) Remove the strainer/flow con-  
trol and check for obstructions.  
Clear or replace.  
Refer to Service - Tank Heater  
Switchfortestingprocedures.See  
page 23  
Water is not hot  
1. Tank Heater Switch  
Refer to Service - Limit Thermo-  
stat for testing procedures. See  
page 17  
2. Limit Thermostat  
CAUTION - Do not eliminate or  
bypass limit thermostat. Use only  
BOM  
replacement  
part  
#29329.1000  
Refer to Service - Control Ther-  
mostatfortestingprocedures.See  
page 16  
3. Control Thermostat  
Refer to Service - Tank Heater for  
testing procedures. See page 21  
4. Tank Heater  
10690 062300  
Page 10  
TROUBLESHOOTING (cont.)  
PROBLEM  
PROBABLE CAUSE  
REMEDY  
Inconsistentbeveragelevelindis-  
penser  
1. Strainer /flow control (.222  
GPM) (CWT-APS, CWTF-APS,  
CWT-TS, CWTF-TS, CWT-TSR &  
CWTF-TSR  
(A) Direction of flow arrow must  
be pointing towards the brewer.  
(B) Remove the strainer/flow con-  
trol and check for obstruction.  
Clear or replace.  
2. Syphon System  
Thebrewermustbelevelorslightly  
lower in front to syphon properly.  
3. Lime Build-up  
Inspect the tank assembly for ex-  
cessive lime deposits. Delime as  
required.  
CAUTION-Tankandtankcompo-  
nentsshouldbedelimedregularly  
depending on local water condi-  
tions. Excessive mineral build-up  
on stainless steel surfaces can  
initiatecorrosivereactionsresult-  
ing in serious leaks.  
4. Water Pressure (CWT-APS,  
CWTF-APS, CWT-TS, CWTF-TS,  
CWT-TSR & CWTF-TSR)  
The water pressure to the brewer  
must be at least 20 psi (138 kPa).  
Consistently low beverage level in  
the dispenser (CWT-APS, CWTF-  
APS, CWT-TS, CWTF-TS, CWT-  
TSR & CWTF-TSR)  
1. Timer  
Timer must activate solenoid for  
at least two minutes and fifteen  
seconds.  
2. Strainer/flow Control (.222  
GPM)  
(A) Direction of flow arrow must  
be pointing towards brewer.  
(B) Remove the strainer/flow con-  
trol and check for obstructions.  
Clear or replace.  
Spitting or excessive steaming  
1. Lime Build-up  
Inspect tank assembly for exces-  
sive lime deposits. Delime as re-  
quired.  
CAUTION-Tankandtankcompo-  
nentsshouldbedelimedregularly  
depending on local water condi-  
tions. Excessive mineral build-up  
on stainless steel surfaces can  
initiatecorrosivereactionsresult-  
ing in serious leaks.  
10690 062300  
Page 11  
TROUBLESHOOTING (cont.)  
PROBLEM  
PROBABLE CAUSE  
REMEDY  
2. Control Thermostat  
Spitting or excessive steaming  
(cont.)  
Refer to Service - Control Ther-  
mostatfortestingprocedures.See  
page 16  
1. Syphon System  
Dripping from sprayhead  
Thebrewermustbelevelorslightly  
lower in front to syphon properly.  
2. Lime Build-up  
Inspect the tank assembly for ex-  
cessive lime deposits. Delime as  
required.  
CAUTION - Tank and tank compo-  
nents should be delimed regularly  
depending on local water condi-  
tions. Excessive mineral build-up  
on stainless steel surfaces can ini-  
tiate corrosive reactions resulting  
in serious leaks.  
3. Solenoid Valve (CWT-APS,  
CWTF-APS, CWT-TS, CWTF-TS,  
CWT-TSR & CWTF-TSR)  
Remove the solenoid valve and  
clear any obstructions. Rebuild or  
replace the valve if necessary.  
See page 19  
1. Timer (CWT-APS, CWTF-APS,  
CWT-TS, CWTF-TS, CWT-TSR &  
CWTF-TSR)  
Waterflowsintotankcontinuously  
(ON/OFF Switch "ON")  
RefertoService-Timerfortesting  
procedures. See page 25 or 27  
1. Solenoid Valve (CWT-APS,  
CWTF-APS, CWT-TS, CWTF-TS,  
CWT-TSR & CWTF-TSR)  
Waterflowsintotankcontinuously  
(ON/OFF Switch "OFF")  
Remove the Solenoid Valve and  
clean any obstruction. Rebuild or  
replace the valve if necessary. See  
page 19  
1. Dispenser  
Beverage overflows dispenser  
Thedispensermustbecompletely  
emptybeforestartingabrewcycle.  
2. Timer (CWT-APS, CWTF-APS,  
CWT-TS, CWTF-TS, CWT-TSR &  
CWTF-TSR)  
RefertoService-Timerfortesting  
procedures. See page 25 or 27  
3. Solenoid Valve (CWT-APS,  
CWTF-APS, CWT-TS, CWTF-TS,  
CWT-TSR & CWTF-TSR)  
Remove the Solenoid Valve and  
clean any obstruction. Rebuild or  
replace the valve if necessary. See  
page 19  
10690 062300  
Page 12  
TROUBLESHOOTING (cont.)  
PROBLEM  
PROBABLE CAUSE  
REMEDY  
Weak beverage  
1. Filter Type  
BUNN® paper filters must be  
used for proper extraction.  
2. Coffee Grind  
3. Sprayhead  
A fine or drip grind must be used  
for proper extraction.  
A six-hole stainless steel spray-  
head must be used for proper  
extraction.  
4. Funnel Loading  
The BUNN® paper filter must be  
centered in the funnel and the bed  
of ground leveled by gentle shak-  
ing.  
5. Water Temperature  
Placeanemptyfunnelonanempty  
dispenser beneath the sprayhead.  
Initiate a brew cycle and check the  
water temperature immediately  
below the sprayhead with a ther-  
mometer. The reading should not  
be less than 195°F. Adjust the  
control thermostat to increase the  
watertemperature.Replaceifnec-  
essary.  
Dry coffee grounds remain in the  
funnel  
1. Funnel Loading  
1. Solenoid  
The BUNN® paper filter must be  
centered in the funnel and the bed  
ofgroundsleveledbygentlyshak-  
ing.  
Brewer is making unusal noises  
(CWT-APS,CWTF-APS,CWT-TS,  
CWTF-TS,CWT-TSR,CWTF-TSR)  
The nut on the solenoid must be  
tight or it will vibrate during op-  
eration.  
2. Plumbing Lines  
3. Water Supply  
Plumbing lines should not resting  
on the counter top.  
(A)Thebrewermustbeconnected  
to a cold water line.  
(B) Water pressure to the brewer  
must not exceed 90 psi (620 kPa).  
Install a regulator if necessary to  
lower the working pressure to ap-  
proximately 50 psi (345 kPa).  
10690 021800  
Page 13  
TROUBLESHOOTING (cont.)  
PROBLEM  
REMEDY  
PROBABLE CAUSE  
Remove and clean lime off the  
tank heater. See page 21  
Brewer is making unusal noises  
(cont.)(CWT-APS, CWTF-APS,  
CWT-TS, CWTF-TS, CWT-TSR,  
CWTF-TSR)  
4. Tank Heater  
Remove and clean lime off the  
tank heater. See page 21  
Brewer is making unusal noises  
(CW)  
1. Tank Heater  
10690 062300  
Page 14  
SERVICE  
This section provides procedures for testing and  
replacing various major components used in this  
brewer should service become necessary. Refer to  
Troubleshooting for assistance in determining the  
cause of any problem.  
WARNING - Inspection, testing, and repair of electri-  
cal equipment should be performed only by qualified  
service personnel. The brewer should be unplugged  
when servicing, except when electrical tests are re-  
quired and the test procedure specifically states to  
plug-in the brewer.  
COMPONENT ACCESS  
WARNING - Disconnect the brewer from the power  
source before the removal of any panel or the replace-  
ment of any component.  
CW-APS  
All components are accessible by the removal of  
the top cover and front inspection panel.  
The top cover is attached with one #4-40 screw.  
The front inspection panel is attached with six #6-  
32 screws on APS and TS Models and eight #6-32  
screws on and TSR Models  
Contents  
CWT-TS  
Control Thermostat............................................. 16  
Limit Thermostat ................................................ 17  
ON/OFF Switch.................................................... 18  
Solenoid (Inlet) ................................................... 19  
Start Switch (Brew) ............................................ 20  
Tank Heater ........................................................ 21  
Tank Heater Switch............................................. 23  
Timer (Early Models) .......................................... 25  
Digital Timer (Late Models) ................................ 27  
Wiring Diagrams.................................... 29 thru 33  
CWT-TSR  
P1126.30  
FIG. 1 COMPONENT ACESS  
10690 062300  
Page 15  
SERVICE (cont.)  
Test Procedures:  
CONTROL THERMOSTAT  
1. Disconnect the brewer from the power source.  
2. Locate the blue wire on the control thermostat.  
3. Withavoltmeter,checkthevoltageacrosstheblue  
wire on the control thermostat and the white in-  
sert on two pole 100 or 120 volt terminal block or  
threepole120/240voltterminalblocksandthered  
insert on two wire 200 volt or 240 volt terminal  
block. Connect the brewer to the power source.  
The indication must be:  
a) 120 volts ac for two wire 120 volt models and  
three wire 120/240 volt models.  
b) 200 to 240 volts ac for two wire 200 or 240 volt  
models.  
c) 100 volts ac for two wire 100 volt models.  
4. Disconnect the brewer from the power source.  
If voltage is present as described, proceed to #5.  
If voltage is not present as described, refer to the  
wiring diagrams and check the brewer wiring harness.  
EARLY  
MODELS  
P1137.40  
5. Locate the black wire on the control thermostat.  
6. Gently remove the capillary bulb and grommet  
from the tank.  
7. With a voltmeter, check the voltage across the  
black wire of the control thermostat and the white  
insert on the two pole 100 or 120 volt or three pole  
120/240 volt terminal block and the red insert on  
the two pole 200 volt or 240 volt terminal block  
when the control thermostat is turned "ON" (Fully  
clockwise). Connect the brewer to the power  
source. The indication must be:  
a) 120 volts ac for two wire 120 volt models and  
three wire 120/240 volt models.  
b) 200 to 240 volts ac for two wire 200 volt or 240  
volt models.  
c) 100 volts ac for two wire 100 volt models.  
8. Disconnect the brewer from the power source.  
LATE  
MODELS  
Ifvoltageispresentasdescribed,reinstallthecapillary  
tube into the tank to the line 4.5" above the bulb, the  
control thermostat is operating properly.  
If voltage is not present as described, replace the  
thermostat.  
P1127.40  
FIG. 2 CONTROL THERMOSTAT  
Location:  
Early Models: The control thermostat is mounted  
on a bracket inside the hood on the right side just in  
front of the tank lid.  
Late Models: The control thermostat is located  
inside the trunk on the left side of the component  
bracket.  
10690 062300  
Page 16  
LIMIT THERMOSTAT  
SERVICE (cont.)  
CONTROL THERMOSTAT (cont.)  
Removal and Replacement:  
1. Remove wires from control thermostat leads.  
2. Remove the thermostat capillary bulb by firmly  
pulling up on the capillary at the tank lid. This will  
disengage the grommet from the tank lid.  
3. Early Models: Remove the two #8-32 screws se-  
curing control thermostat bracket mounted inside  
the hood.  
Late Models: Remove the one #8-32 screw secur-  
ingthecontrolthermostattothecomponentbracket  
in the trunk.  
P1127.40  
FIG. 4 LIMIT THERMOSTAT  
Location:  
4. Slide the grommet to the line 4.5" above the bulb  
on the new capillary tube.  
5. Insert the capillary bulb through the hole in the  
tank lid and press the grommet firmly and evenly  
so that the groove in the grommet fits into the tank  
lid.  
The limit thermostat is located inside the rear of  
the hood on the tank lid.  
Test Procedures:  
1. Disconnect the brewer from the power source.  
2. Disconnect the blue and black wires from the limit  
thermostat.  
3. Withanohmmeter,checkforcontinuityacrossthe  
limit thermostat terminals.  
6. Carefully bend the capillary tube so that the tube  
andbulbinsidethetankareintheverticalposition.  
NOTE - The capillary tube must be clear of any electri-  
cal termination and not kinked.  
If continuity is present as described, the limit  
thermostat is operating properly.  
If continuity is not present as described, replace the  
limit thermostat.  
7. Early Models: Using two #8-32 screws secure the  
control thermostat inside the hood.  
Late Models. Using one #8-32 screw secure the  
control thermostat to the component bracket in-  
side the trunk.  
Removal and Replacement:  
1. Remove all wires from limit thermostat terminals.  
2. Carefully slide the limit thermostat out from under  
the retaining clip and remove limit thermostat.  
3. Carefully slide the new limit thermostat into the  
retaining clip.  
8. Refer to Fig. 3 when reconnecting the wires.  
9. Adjust the control thermostat as required.  
4. Refer to Fig. 5 when reconnecting the wires.  
BLUtoBLUWirefromLimitTher-  
mostat  
BLU to BLU Lead from  
Control Thermostat  
BLK to Tank  
Heater Switch  
BLKtoBLKWirefromTankHeater  
(Brewers W/Out Faucet)  
BLKtoThermalCut-Offfrom Tank  
Heater (Brewers with Faucet)  
P1800  
FIG. 5 LIMIT THERMOSTAT TERMINALS  
P1129  
FIG. 3 CONTROL THERMOSTAT TERMINALS  
10690 062300  
Page 17  
SERVICE (cont.)  
ON/OFF SWITCH  
If voltage is not present as described, refer to the  
Wiring Diagrams and check the brewer wiring har-  
ness.  
5. With the black wire removed, remove the white/  
red wire from the lower terminal.  
6. Check for continuity across the center and lower  
terminal with the switch in the "ON" (upper) posi-  
tion. Continuity must not be present when the  
switch is in the "OFF" (lower) position.  
If continuity is present as described, reconnect the  
blackwiretothecenterterminalandthewhite/redwire  
to the lower terminal.  
If continuity is not present as described, replace the  
switch.  
P0150.40  
FIG. 6 ON/OFF SWITCH  
Location:  
The ON/OFF switch is located on the left front of  
the hood.  
Removal and Replacement:  
1. Remove the wires from the switch terminals.  
2. Compress the clips inside the hood and gently  
push the switch through the opening.  
Test Procedure:  
3. Push the new switch into the opening and spread  
the clips to hold switch in the hood.  
4. Refer to Fig. 7 when reconnecting the wires.  
1. Disconnect the brewer from the power source.  
2. Viewing the switch from the back remove the  
white wire from the upper terminal and the black  
wire from the center terminal.  
3. With a voltmeter, check the voltage across the  
white wire and the black wire. Connect the brewer  
to the power source. The indication must be:  
a) 120 volts ac for two wire 120 volt models and  
three wire 120/240 volt models.  
b) 200 to 240 volts ac for two wire 200 or 240 volt  
models.  
c) 100 volts ac for two wire 100 volt models.  
4. Disconnect the brewer from the power source.  
WHI to Terminal Block (White  
Insert on 100V, 120V or  
120V/240V Models)  
Red to Terminal Block (Red Insert  
on 200V or 240V Models)  
BLK to Terminal Block  
(Black Insert)  
If voltage is present as described, reconnect the white  
wire and proceed to #5.  
WHI/RED to Timer P3  
P1131  
FIG. 7 ON/OFF SWITCH TERMINALS  
10690 062300  
Page 18  
SERVICE (cont.)  
If continuity is not present as described, replace the  
solenoid valve.  
SOLENOID VALVE  
6. Check the solenoid valve for coil action. Connect  
the brewer to the power source. With "ON/OFF"  
switch in the "ON" (upper) position press start  
switch and listen carefully in the vicinity of the  
solenoid valve for a" clicking" sound as the coil  
magnet attracts.  
7. Disconnect the brewer from the power source.  
If the sound is heard as described and water will not  
pass through the solenoid valve, there may be a  
blockage in the water line before the solenoid valve, or  
thesolenoidvalvemayrequireinspectionforwearand  
removal of waterborne particles.  
If the sound is not heard as described, replace the  
solenoid valve.  
P1127.40  
Removal and Replacement:  
1. Remove the white and black wires from the sole-  
noid valve.  
FIG. 8 SOLENOID VALVE  
Location:  
2. Turn off the water supply to the brewer.  
3. Disconnect the water lines to and from the sole-  
noid valve.  
The solenoid valve is located inside the trunk on  
the center lower part of the component bracket.  
4. Remove the two #8-32 screws securing the sole-  
noid mounting bracket to the component bracket.  
Remove solenoid bracket and solenoid valve as an  
assembly.  
5. Remove the two #10-32 screws and lockwashers  
securingthesolenoidvalvetothesolenoidbracket.  
6. Using two #10-32 screws and lockwashers install  
new solenoidvalveonsolenoidmountingbracket.  
7. Using two #8-32 screws install solenoid valve and  
bracket to the component bracket.  
Test Procedures:  
1. Disconnect the brewer from the power source.  
2. Disconnect the white and black wires from the  
solenoid valve. With the "ON/OFF" switch in the  
"ON" (upper) position press the start switch.  
3. With a voltmeter, check the voltage across the  
white and black wires. Connect the brewer to the  
power source. The indication must be:  
a) 120 volts ac for two wire 120 volt models and  
three wire 120/240 volt models.  
b) 200 to 240 volts ac for two wire 200 or 240 volt  
models.  
c) 100 volts ac for two wire 100 volt models.  
4. Disconnect the brewer from the power source,  
8. Securely fasten the water lines to and from the  
solenoid valve.  
9. Refer to Fig. 9 when reconnecting the wires.  
WHI from Timer  
BLK from Timer  
If voltage is present as described, proceed to #5  
If voltage is not present as described, refer to Wiring  
Diagrams and check brewer wiring harness.  
5. Check for continuity across the solenoid valve coil  
terminals.  
P1132.50  
FIG. 9 SOLENOID VALVE TERMINALS  
10690 062300  
If continuity is present as described, reconnect the  
white and black wire from the timer.  
Page 19  
SERVICE (cont.)  
START SWITCH  
If continuity is present as described, reconnect the  
blue wire to the top terminal and the white/red wire to  
the bottom terminal.  
If continuity is not present as described, replace the  
switch.  
Removal and Replacement:  
1. Remove the blue wire and white/red wire from the  
start switch.  
2. Compress the clips inside the hood and gently  
push the switch through the opening.  
3. Push new switch into the opening and spread the  
clips to hold the start switch in the hood.  
4. Refer to Fig. 11 when reconnecting the wires.  
P0150.50  
FIG 10 START SWITCH  
Location:  
The start switch is located in the front of the  
hood just to the right of center.  
Test Procedure:  
BLU to BLU Lead from  
Timer P1  
1. Disconnect the brewer from the power supply.  
2. Disconnect the blue wire from the top switch  
terminal and the white/red wire from the bottom  
switch terminal.  
WHI/RED to ON/OFF  
Switch  
3. Check for continuity across the two terminals on  
the switch when it is held in the lower position.  
Continuity must not be present across these ter-  
minals in the upper position.  
P1133  
FIG. 11 START SWITCH TERMINALS  
10690 062300  
Page 20  
SERVICE (cont.)  
TANK HEATER  
4. Disconnecttheblackwireandthewhitewireorred  
wire from the tank heater terminals.  
5. Check for continuity across the tank heater termi-  
nals.  
If continuity is present as described, reconnect the  
wires, the tank heater is operating properly.  
If continuity is not present as described, replace the  
tank heater.  
NOTE- If the tank heater remains unable to heat,  
remove and inspect heater for cracks in the sheath.  
P1127.40  
Removal and Replacement:  
FIG. 12 TANK HEATER  
1. Disconnect the water supply tube from the fill  
basin.  
Location:  
2. Remove the tank inlet fitting securing the fill basin  
to the tank lid, remove fill basin and tank inlet  
gasket. Set all three parts aside for reassembly.  
3. On brewers with a faucet, shut off water supply to  
the brewer and disconnect the inlet and outlet  
water lines to the faucet coil assembly.  
4. Disconnect the black wire on the limit thermostat  
from the tank heater switch. On late model brew-  
ers also disconnect the blue wire from the limit  
thermostat to the control thermostat.  
5. Disconnecttheblackwireandthewhiteorredwire  
from the tank heater terminals.  
6. Remove sprayhead and the hex nut securing the  
sprayhead tube to the hood. Set aside for reas-  
sembly.  
7. Remove the eight #8-32 nuts securing the tank lid  
to the tank.  
The tank heater is located inside the tank and  
secured to the tank lid.  
Test Procedures:  
1. Disconnect the brewer from the power supply.  
2. With a voltmeter, check the voltage across the  
black and white wires on 100 or 120 volt models  
or the black and red wires for 120/240 volt mod-  
els, 200 volt models and 240 volt models . Con-  
nect the brew to the power source. The indication  
must be:  
a) 120 volts ac for two wire 120 volt 15 and 20  
amp models .  
b)240voltsacforthreewire120/240voltmodels.  
c) 200 to 240 volts ac for two wire 200 or 240 volt  
models.  
d) 100 volts ac for two wire 100 volt models.  
3. Disconnect the brewer from the power source.  
8. Remove the tank lid with limit thermostat, spray-  
head tube, tank heater, coil assembly and control  
thermostat w/bracket (early models only).  
9 Remove the two hex nuts securing the tank heater  
to the tank lid. Remove tank heater with gaskets  
and discard.  
If voltage is present as described, proceed to #4  
If voltage is not present as described, refer to the  
Wiring Diagrams and check wiring harness.  
10690 062300  
Page 21  
SERVICE (cont.)  
TANK HEATER (Cont.)  
10. Install new tank heater with gaskets on the tank lid  
and secure with two hex nuts.  
WHItoTerminalBlock  
(White Insert on 120V  
or 100V Two Wire  
Models)  
REDtoTerminalBlock  
(Red Insert on 120/  
240VThreeWireMod-  
els or 200V and 240V  
Two Wire Models)  
BLK to Control Thermostat  
(Brewers W/Out Faucet)  
BLK to Fuse (Brewers W/  
Faucet)  
11. Install tank lid with limit thermostat, sprayhead  
tube, tank heater, coil assembly (brewers with  
faucet) and control thermostat with bracket (early  
brewers only) using eight #8-32 hex nut.  
12. Reconnect the inlet and outlet water lines to the  
faucet coil assembly.  
13. Secure spayhead tube to hood using a hex nut.  
14. Install sprayhead.  
15. Reconnect the wires to the limit thermostat, tank  
heater and control thermostat. See limit thermo-  
statandcontrolthermostatsectionsinthismanual  
when reconnecting wires.  
16. Install fill basin, secure with tank inlet fitting and  
gasket. Insert water supply line through grommet  
in fill basin.  
17. RefertoFig. 13 whenreconnectingthetankheater  
wires.  
P1134.65  
FIG. 13 TANK HEATER TERMINALS  
10690 062300  
Page 22  
SERVICE (cont.)  
TANK HEATER SWITCH  
If voltage is present as described, proceed to #5.  
If voltage is not present as described, refer to the  
Wiring Diagrams and check the brewer wiring har-  
ness.  
5. Check for continuity between the black wire re-  
moved from the limit thermostat and the black  
insert on the terminal block. with the tank heater  
switchinthe"ON"upperposition.Continuityshould  
not be present in the "OFF" lower position.  
If continuity is present as described, the tank heater  
switch is operating properly.  
If continuity is not present as described, replace the  
tank heater switch.  
Removal and Replacement:  
1. Shut off and disconnect the incoming water sup-  
ply to the brewer.  
2. On automatic brewers gently remove the fill tube  
from back of fill basin.  
P1127.40  
FIG. 14 TANK HEATER SWITCH  
3. Remove the tank inlet fitting securing fill basin the  
tank lid. Remove fill basin and gasket. Set all three  
parts aside for reassembly.  
4. On brewers with faucets, disconnect the water  
supply to coil assembly and remove the tube from  
the tank to the faucet.  
5. Remove sprayhead and hex nut securing spray-  
head tube to the hood. Set aside for reassembly.  
6. Disconnect the wires on the limit thermostat and  
the tank heater and the control thermostat (early  
models).  
7. Gently pull the thermostat sensor and grommet  
from the tank lid.  
8. Insert a tube to the bottom of the tank and syphon  
ALL of the water out.  
9. Gently reinstall the thermostat sensor and grom-  
met in the tank lid.  
10. Remove the two #8-32 screws securing the tank  
assembly to the hood.  
11. Lift tank and components out as an assembly and  
set aside for reassembly.  
Location:  
The tank heater switch is located on the rear of  
the brewer on the upper left side of the trunk.  
Test Procedure:  
1. Disconnect the brewer from the power source.  
2. Disconnect the black wire from the limit thermo-  
stat.  
3. With the tank heater switch in the "ON"(upper)  
position, and with a voltmeter, check the voltage  
between the black wire removed from the limit  
thermostat and the white wire or red wire on the  
tank heater. Connect the brewer to the power  
source. The indication must be:  
a) 120V volts ac on two wire 120 volt models.  
b) 240 volts ac on three wire 120/240 volt mod-  
els.  
c) 200 to 240 volts ac on 200 volt or 240 volt  
models.  
d) 100 volts ac for 100 volt models.  
4. Disconnect the brewer from the power source.  
12. Disconnect the two black wires from the tank  
heater switch.  
10690 062300  
Page 23  
SERVICE (cont.)  
TANK HEATER SWITCH (cont.)  
19. Secure the sprayhead tube to the hood using hex  
13. Remove the plastic facenut, hex facenut and the  
switch indicator/guard bracket that secures tank  
heater switch to the rear of the brewer. Remove  
switch and discard.  
nut.  
20. Install sprayhead.  
21. Install fill basin, inlet gasket and secure to tank lid  
with tank inlet fitting.  
14. Insert new tank heater switch through the hole in  
the upper left rear of the trunk and secure with  
switch indicator/guard bracket, hex facenut and  
plastic facenut.  
22. Carefullyinstall water fill tubeintothebackofthe  
fill basin.  
23. Reconnect and turn on the incoming water sup-  
ply.  
15. Reconnect the two black wires the tank heater  
switch terminals.  
24. Refer to FIG. 15 when reconnecting the wires.  
16. Set tank assembly inside the hood on mounting  
brackets and secure with two #8-32 screws.  
17. Reconnect the wires to the limit thermostat, tank  
heater and the control thermostat. Refer to limit  
thermostat, tank heater and control thermostat  
sections in this manual when reconnecting wires.  
18. On brewers with a faucet, reinstall the faucet tube  
and reconnect the water supply tube to the coil  
assembly.  
BLK to Limit Thermostat  
BLK to Terminal Block  
(Black Insert)  
P1135  
FIG. 15 TANK HEATER SWITCH TERMINALS  
10690 062300  
Page 24  
SERVICE (cont.)  
TIMER(Early Models)  
If voltage is present as described, proceed to #5.  
If voltage is not present as described, refer to the  
Wiring Diagrams and check the brewer wiring har-  
ness.  
5. With a voltmeter, check the voltage across the  
sockets P1 & P2 (blue and white wires) of the  
female connector when the "ON/OFF" switch is in  
the "ON" (upper) position and the "START" switch  
is pressed. Connect the brewer to the power  
source. The indication must be:  
a) 120 volts ac for two wire 120 volt models and  
three wire 120/240 volt models.  
b) 200 to 240 volts ac for two wire 200 volt or 240  
volt models.  
c) 100 volts ac for two wire 100 volt models.  
6. Disconnect the brewer from the power source.  
7. Reconnect the three pin connector from main  
wiring harness to the timer.  
P1127.40  
FIG. 16 TIMER  
Location:  
If voltage is present as described, proceed to #7  
If voltage is not present as described, refer to Wiring  
Diagrams and check the brewer wiring harness.  
The timer is located inside the front of the trunk  
on the top of component bracket.  
Test Procedure.  
7. Disconnect the black and white wires to the sole-  
noid.  
1. Disconnect the brewer from the power source.  
2. Disconnectthepolarized,threepinconnectorfrom  
the brewer wiring harness and rotate the brew  
timer dial fully counterclockwise.  
3. Withavoltmeter,checkthevoltageacrosssockets  
P2 & P3 (white and black wires) of the female  
connectorwhenthe"ON/OFF"isinthe"ON"(upper)  
position. Connect the brewer to the power source.  
The indication must be:  
9. With a voltmeter, check the voltage across the  
black and white wires when the "ON/OFF" switch is  
in the "ON" (upper) position and the "START"  
switch is pressed to the "START" (lower) position  
and released. Connect the brewer to the power  
source. The indication must be:  
a) 120 volts ac for approximately 20 seconds for  
two wire 120 volt models and three wire 120/240  
volt models.  
b) 200 to 240 volts ac for approximately 20 sec-  
onds for two wire 200 volt or 240 volt models.  
c) 100 volts ac for approximately 20 seconds for  
two wire 100 volt models.  
a) 120 volts ac for two wire 120 volt models and  
three wire 120/240 volt models.  
b) 200 to 240 volts ac on two wire 200 volt or 240  
volt models.  
c) 100 volts ac for two wire 100 volt models.  
4. Disconnect the brewer from the power source.  
10690 062300  
Page 25  
SERVICE (cont.)  
TIMER (cont.)  
If voltage is present as described, the brew timer is  
operating properly. Reset the timer dial as required,  
to obtain the desired brew volume.  
If voltage is not present as described, replace the  
timer.  
Removal and Replacement:  
1. Separate all connectors between the brewer wir-  
ing harness and the timer.  
2. Remove the one #8-32 screw securing timer to  
component bracket.  
To Main Wiring Harness  
WHI to Solenoid Valve  
BLK to Solenoid Valve  
3 Install new timer circuit board as described in Late  
Model Timer section on the following pages.  
4. Refer to Fig. 19 when reconnecting the wires.  
5. Install the Timer Setting decal, provided with the  
replacement timer kit, below the schematic on the  
inside of the front access panel.  
OLD STYLE  
FIG. 17 TIMER TERMINALS  
P1136  
6. Adjust the timer as required. Refer to Late Model  
Timer section on the following pages.  
10690 062300  
Page 26  
DIGITAL BREW TIMER (Late Models)  
If voltage is present as described, proceed to #6.  
If voltage is not present as described, refer to the  
Wiring Diagrams and check the brewer wiring har-  
ness.  
6. With a voltmeter, check the voltage across termi-  
nals TL1 and TL4 when the "ON/OFF" switch is in  
the"ON"position. Connectthebrewertothepower  
source. The indication must be 0 volts.  
If voltage is as described, proceed to #7.  
If voltage is not as described, disconnect the brewer  
from the power source and replace the timer.  
7. With a voltmeter, check the voltage across termi-  
nals TL1 and TL4 when the "ON/OFF" switch is in  
the"ON"position. Connectthebrewertothepower  
source and press the "START" switch. The indica-  
tion must be as follows:  
P1127.40  
FIG. 18 DIGITAL BREW TIMER  
Location:  
a) 120 volts ac for two wire 120 volt models and  
three wire 120/240 volt models.  
b) 200 to 240 volts ac on two wire 200 volt or 240  
volt models.  
The timer is located inside the front of the trunk on  
the top of the component bracket.  
Test Procedure.  
c) 100 volts ac for two wire 100 volt models.  
NOTE:Donotremoveorinstallwireswhiletimerboard  
is installed. Pressure applied to one side may cause  
damage to the board.  
1. Disconnect the brewer from the power source and  
remove the front access panel.  
2. Remove the two #8-32 screws securing circuit  
board to the mounting bracket.  
If voltage is present as described, the brew timer is  
operating properly. Reset the timer as required, to  
obtain the desired brew volume.  
If voltage is not present as described, disconnect the  
brewer from the power source and replace the timer.  
3. Remove circuit board and spacers (as required).  
4. With a voltmeter, check the voltage across termi-  
nals TL1 and TL2 when the "ON/OFF" switch is in  
the"ON"position. Connectthebrewertothepower  
source. The indication must be:  
Removal and Replacement:  
1. Remove the two #8-32 screws securing circuit  
board to the mounting bracket.  
2. Remove circuit board and spacers (as required).  
3. Remove all wires from the timer.  
4. Attach all wires to the replacement timer board  
prior to installation to the component mounting  
bracket. Refer to FIG. 19 when reconnecting the  
wires.  
a) 120 volts ac for two wire 120 volt models and  
three wire 120/240 volt models.  
b) 200 to 240 volts ac on two wire 200 volt or 240  
volt models.  
c) 100 volts ac for two wire 100 volt models.  
5. Disconnect the brewer from the power source.  
5. Install new circuit board with spacers (as re-  
quired) to the component mounting bracket.  
6. Adjust the timer as described below.  
10690 062300  
Page 27  
SERVICE (cont.)  
DIGITAL BREW TIMER (Late Models)(cont.)  
View the level of the liquid being dispensed. When  
the desired level is reached, turn the ON/OFF switch  
to OFF.  
NOTE: Several ounces of water will continue to sy-  
phon from the tank after turning the switch OFF.  
The brewer remembers this volume and will continue  
to brew batches of this size until the volume setting  
procedure is repeated.  
Timer Setting:  
NOTE: Prior to setting or modifying volumes, check  
that the brewer is connected to water supply, the tank  
is properly filled, and a funnel and server are in place.  
NOTE: All volume settings must be done with the  
sprayhead installed.  
NOTE: When brewing coffee, volume will decrease due  
to absorption by the coffee grounds.  
1. Modifying brew volumes. To modify a brew vol-  
ume, first check that the SET/LOCK switch is in the  
SETposition on the circuit board.  
3. Setting programming disable feature. If it be-  
comes necessary to prevent anyone from changing  
brew time once programmed, you can set the SET/  
LOCK switch to the LOCKposition. This will pre-  
vent any further programming until switch is once  
again put into the SETposition.  
To increase a brew volume, place the ON/OFF  
switch in the ONposition, press and hold the START  
switch until three clicks are heard. Release the switch  
and press it again one or more times. (Failure to re-  
lease the switch within two seconds after the third  
click causes the volume setting to be aborted and pre-  
vious volume setting will remain in memory.) Each  
time the switch is pressed, two seconds are added to  
the brew time period. Allow the brew cycle to finish in  
order to verify that the desired volume has been  
achieved.  
To decrease a brew volume, place the ON/OFF  
switch in the ONposition, press and release the  
START switch once for every two-second interval to  
be removed from the total brew time period; then im-  
mediately press and hold down the START switch until  
three clicks are heard. Release the switch. (Failure to  
release the switch within two seconds after the third  
click causes the volume setting to be aborted and pre-  
vious volume setting will remain in memory). Allow  
the brew cycle to finish in order to verify that the de-  
sired volume has been achieved.  
2. Setting brew volumes. To set a brew volume,  
first check that the SET/LOCK switch is in the SET”  
position on the circuit board. Place the ON/OFF switch  
in the ONposition, press and hold the START switch  
until three distinct clicks are heard and then release  
the switch. (Failure to release the switch within two  
seconds after the third click causes the volume set-  
ting to be aborted and previous volume setting will  
remain in memory.)  
BLU/BLK wire from TL5 to P1  
WHI/GRN wire from TL4 to (WHI) Solenoid  
WHI/BLU wire from TL3 to (BLK) Solenoid  
WHI wire from TL2 to P2  
BLK wire from TL1 to P3  
P2037  
FIG. 19 DIGITAL TIMER WIRING  
10690 062300  
Page 28  
10690 081100  
Page 29  
10690 081100  
Page 30  
10690 081100  
Page 31  
10690 081100  
Page 32  
10690 081100  
Page 33  

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