Curtis WB5N User manual

WB5N Series
5 Gallon Water Boiler
USER GUIDE
READ AND SAVE THESE INSTRUCTIONS
NOTICE TO INSTALLER: Please leave this booklet with the machine.
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CONTENTS CL55
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Contact Information
Wilbur Curtis Co., Inc.
6913 Acco Street | Montebello, CA 90640 US
Phone: [phone] | Toll Free: 800-421-6150
Email: [email protected] | Web: www.wilburcurtis.com
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Email: [email protected]
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KEY FEATURES/SPECIFICATIONS/SYSTEM REQUIREMENTS FS55
Key Features
• G3 Digital Control Module – Provides precise control of temperature.
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• Easy-To-Operate – Simple graphics for all operating functions and ready lights.
• Energy Savings Mode – 4 hours after last dispense, tank will maintain temperature of 140°.
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:%1/ 5.0 Gallon - red, low faucet 1 PH 120/220 V 12.5/22.7 A 2 X 2500 W 2W/3W + G 1500/5000 W 50/60 Hz 4.5/15.0
:%1% 5.0 Gallon - black 1 PH 120/220 V 12.5/22.7 A 2 X 2500 W 2W/3W + G 1500/5000 W 50/60 Hz 4.5/15.0
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:%1 25.75” 7.50” 25.55” 42.0 lbs 5.90 cu ft µÁDUH
20 - 90 psi 1.0 gpm
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• Energy Save Mode = Off

IMPORTANT SAFEGUARDS IS2
Symbols
This is the safety alert symbol. It is used to alert you to potential physical injury hazards. Obey all safety
messages that follow this symbol to avoid possible injury or death.
DANGER - Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
WARNING - Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION - Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
NOTICE - Indicates a situation which, if not avoided, could result in property damage.
IMPORTANT - Provides information and tips for proper operation.
SANITATION REQUIREMENTS
Important Safeguards/Conventions
WARNING:
• Make sure that this appliance is installed and grounded according to the INSTALLATION
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INSTRUCTIONS could result in personal injury or void the warranty.
• This appliance is designed for commercial use. Any service other than cleaning and preventive
maintenance should be performed by an authorized Wilbur Curtis service technician.
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serviceable parts inside.
• Keep hands, arms and other items away from hot surfaces of the unit during operation.
• Clean the appliance and any dispensers completelyCFGPSFVTJOHUIFNGPSUIFmSTUUJNFBTBDDPSEJOHUP
the CLEANING INSTRUCTIONS. Clean them regularly as instructed in the CLEANING INSTRUCTIONS.
• Use this appliance only for its intended use, brewing/dispensing hot and/or cold beverages/water.
• This appliance is not intended for use by persons (including children) with reduced physical, sensory
or mental capabilities or lack of experience and knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a person responsible for their safety.
• Children should be supervised to ensure that they do not play with the appliance.
• Avoid spillage onto the power (mains) connector.
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CE Requirements
• This appliance must be installed in locations where it can be overseen by trained personnel.
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• This appliance must not be cleaned by water jet.
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instruction concerning use of the appliance in a safe way and if they understand the hazards involved.
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or lack of experience and knowledge if they have been given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards involved.
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• If the power cord is ever damaged, it must be replaced by the manufacturer or authorized service personnel
with a special cord available from the manufacturer or its authorized service personnel in order to avoid a
hazard.
• Machine must not be immersed for cleaning.
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supervised.
• This appliance is intended to be used in household and similar applications such as:
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– bed and breakfast type environments.
• This appliance not intended to be used in applications such as:
– farm houses
• Access to the service areas permitted by Authorized Service personnel only.
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INSTALLATION INSTRUCTIONS II20
Installation Instructions
Installation Requirements
• A secure surface capable of supporting the weight of the appliance.
• For units without an attached cord set: Appropriately sized, UL listed, grounding type power cable to meet
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appliance (see SPECIFICATIONS5IFDJSDVJUNVTUCFQSPUFDUFECZUIFBQQSPQSJBUFTJ[FEDJSDVJUCSFBLFS*G
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brewer. See the SPECIFICATIONS section for the correct size. The water line should also be capable of being
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federal, state and local codes.
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installed and maintained in accordance with federal, state and local codes.
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properly grounded.
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in compliance with federal, state and local codes. For units installed outside of the U.S.A., make sure that
the installation is in compliance with the applicable plumbing/sanitation code for your area.

Connecting the Power Cord (units without power cord
installed or units being converted from 120 Volt to 200
- 240 Volt operation)
4 Remove the top cover from the unit.
5 Loosen the strain relief on the back of the unit.
6 On units equipped with an existing 120 Volt power
cord, disconnect the cord from the power block and
remove it. Locate the white jumper wire between the
“L2” and “N” terminals on the power block. Disconnect
and cap one end of the wire.
7 Feed the end of the power cable, through the strain
relief and into the unit and connect it to the power
block according to the ELECTRICAL SCHEMATIC.
8 Replace the top cover.
9 If applicable, connect the power cable wires to the
terminals in the junction box. See the ELECTRICAL
SCHEMATIC for the power supply requirements.
Leveling
1 Position the water boiler on the counter top. Level it
left to right and front to back by turning the bottom of
the legs.
INSTALLATION INSTRUCTIONS II27
Power
block
Installation
8#*/45"--"5*0/*/4536$5*0/4ø 010518NC
Connect the Water Supply
2 Flush the water supply line prior to installation to purge
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back of the unit. Leave the water supply valve closed
until the power is connected.
NOTICE: Before proceeding, make sure that the
counter is capable of supporting at least 81 lbs.
(37 kg) to allow for the water boiler at full capacity.
WARNING: Use the leveling legs to level the unit
only. Do not use them to adjust the height. Do not
extend them higher than necessary.
WARNING: Turn off power to the junction box at
the circuit breaker panel before connecting the
power cable. Lock out and tag the circuit breaker.
Style
varies
Style
varies
Style
varies

Connecting the Power Plug (units with pre-installed
power cord that with be plugged into a power receptacle)
10 Connect the appropriate type of grounded power plug
to the end of the power cord coming from the back of
the unit.
Powering up the Unit
Units Operating with a power plug:
11 Connect the power plug to the appropriate type of
electrical outlet.
All Units:
12 Make sure that the circuit breaker supplying power to
the circuit is on.
13 Turn on the water supply valve.
14 Turn the toggle switch on the back of the unit to the ON
QPTJUJPO5IFXBUFSUBOLXJMMCFHJOUPmMM
15 Check the water supply line for leaks. While the tank is
mMMJOHBOEXIFOFWFSUIFXBUFSmMUFSJTSFQMBDFEZPV
NBZIFBSUIFTPVOETPGBJSCFJOHQVSHFEGSPNUIFmMUFS
tubing and water tank.
16 Once the tank is full, the heating elements will turn
on (the LEDs on the screen will chase upward).
Depending on the incoming water temperature and
UIFFMFDUSJDBMTQFDJmDBUJPOTUIFXBUFSUBOLUZQJDBMMZ
requires 60 to 70 minutes to reach the factory set
operating temperature. The bottom left LED will
come on when the temperature is within 10°F of the
temperature setting on the control panel.
17 Dispense 12 ounces of hot water through the faucet to
help purge any remaining air in the lines.
INSTALLATION INSTRUCTIONS II27
8#*/45"--"5*0/*/4536$5*0/4ø 010518NC
WARNING: Connect the power cord only to the
appropriate type and size electrical outlet. If the
electrical outlet is not compatible with the power
cord, have it upgraded by a licensed electrician. Do
not modify the power plug. Do not use an extension
cord. Do not use a power cord/plug that is damaged.
Style
varies
IMPORTANT: When operating the unit at higher
elevations, reduce the default operating
temperature (204°F/96°C) by 2°F for each 1000
feet (300 m) of elevation above 2000 feet (600 m).
See PROGRAMMING GUIDE.
Style
varies

OPERATING INSTRUCTIONS OI40
8#01&3"5*/(*/4536$5*0/4øø /$
2 Hold a cup under the faucet
and pull forward on the
handle to dispense.
3 The display indicates the
current water temperature.*
Or it can be set to say "HOT"
when the water reaches
serving temperature. See
PROGRAMMING GUIDE
to change the control panel
settings.
AERATOR
• The aerator pump will automatically come on
FWFSZNJOVUFTGPSmWFTFDPOET8IFOBFSBUJPO
is running, the display shows the LED bars
chasing from left to right.
• Press the AERATION (AIR) button to manually
pump air through the water in the heating tank any
time you want. The aerator pump will run as long
as you hold down the button.
 The rear toggle switch must be
in the ON position. Press the
ON/OFF ( ) button to activate
the control panel.
Style varies
with model
Style varies
with model
READY
ON/OFFTEMP AERATION
READY
Control Panel - WB5GT Series
Control Panel - WB5N Series
*GUIFXBUFSUFNQFSBUVSFJT¡'CFMPXUIFQSPHSBNNFEUFNQFSBUVSFTFUUJOHUIFMJHIUPOUIFEJTQMBZXJMMDIBTF
WARNING: AVOID SCALDING. This unit dispenses hot water.

PROGRAMMING GUIDE PG16
8$130(3"..*/((6*%&ø /$
Programming Options
Temperature (default is 204°F/96°C)
Press the TEMP button for one second to check the control panel water temperature setting. To change
the temperature setting, press the TEMP button for three seconds, then release, to enter temperature
QSPHSBNNJOHNPEF5IFUFNQFSBUVSFTFUUJOHSBOHFJT'UP'1SFTTUIFMFGUCVUUPOŻ) or the right
CVUUPOŹ) to lower or raise the temperature. Press ON/OFF ) to save and exit.
HOT - Changing the display to read HOT, instead of the current temperature
Press and hold the TEMPCVUUPOGPSmWFTFDPOET5IFi'wXJMMTUBSUnBTIJOH$POUJOVFIPMEJOHEPXOUIFTEMP
button, at the same time, press and hold the ON/OFF CVUUPOGPSmWFTFDPOET3FMFBTFCPUICVUUPOT
5IFQSPHSBNJTOPXDIBOHFEBOEUIF-&%TDSFFOXJMMEJTQMBZi)05w8IFOi)05wJTEJTQMBZFEQSFTTJOHUIF
TEMP button for one second will display the current water temperature.
°F/°C - Changing the display to Celsius (or changing back to Fahrenheit)
Press and hold down the TEMPCVUUPOGPSTFDPOET5IFUFNQFSBUVSFSFBEJOHXJMMDIBOHFUP$FMTJVTPS
'BISFOIFJU3FMFBTFUIFTEMP button.
Energy Saver (default is OFF)
• 8IFOFOFSHZTBWFSJTTFUUPi0''wUIFVOJUDPOUJOVPVTMZNBJOUBJOTUIFUFNQFSBUVSFTFUUJOHQSPHSBNNFE
into the control panel.
• 8IFOFOFSHZTBWFSJTTFUUPi0/wUIFIFBUJOHFMFNFOUTTIVUPGGGPVSIPVSTBGUFSUIFMBTUEJTQFOTF
• 8IFOFOFSHZTBWFSJTTFUUPi¡'wUIFVOJUXJMMCFHJOUPNBJOUBJOUIFXBUFSUFNQFSBUVSFBU¡'GPVS
hours after the last dispense.
• 5PSFUVSOUIFVOJUUPOPSNBMPQFSBUJPOBGUFSUIFVOJUIBTHPOFJOUPFOFSHZTBWFSNPEF0/PS¡'QSFTT
one of the control panel buttons or dispense some water.
To change the energy saver setting
Press and hold both the ON/OFF ) and TEMPCVUUPOBUUIFTBNFUJNFGPSTFDPOET6TFUIFTDSPMM
buttons, Żand ŹCVUUPOTUPTFMFDUi0''wi0/wPSi¡'w1SFTTON/OFF ) to save and exit.
READY
ON/OFFTEMP AERATION
READY
Control Panel - WB5GT Series Control Panel - WB5N Series
IMPORTANT: The Fahrenheit/Celsius setting cannot be changed while the unit is set to display “HOT”. Set
WKHXQLWWRGLVSOD\WKHWHPSHUDWXUHÀUVWEHIRUHFKDQJLQJWKHWHPSHUDWXUHVFDOH

NOTICE -Do not use cleaning liquids, compounds or powders containing chlorine (bleach) or corrosives.
5IFTFQSPEVDUTQSPNPUFDPSSPTJPOBOEXJMMEBNBHFUIFmOJTIFT USE OF THESE PRODUCTS WILL VOID
THE WARRANTY.
CLEANING INSTRUCTIONS CI16
Cleaning The Water Boiler and Dispensing Head - Daily or As Needed
WATER BOILERS - GENERIC, CLEANING INSTRUCTIONS 111717A
WARNING: HOT SURFACES -To avoid injury, allow the unit to cool 30 minutes before cleaning.
The water boiler should be OFF. Turn the unit off by turning the rear toggle switch to the OFF position. Allow it to
cool.
1 Wipe exterior surfaces with a soft, damp cloth soaked with a mild detergent solution to remove spills and
debris.
2 Rinse with a soft cloth soaked with clean water to remove any residual detergent. Then dry.
3 If applicable, remove the drip tray screen and rinse it off. Wipe out the interior of the drip tray with a soft, damp
cloth. Replace the screen.
Flushing the Pre-heat Coil (Corinth Models) - Twice a Year
*UJTSFDPNNFOEFEUIBUUIFQSFIFBUDPJMCFnVTIFEUXJDFBZFBSCZBRVBMJmFEUFDIOJDJBOBDDPSEJOHUPUIF
instructions in the Troubleshooting section.
WARNING: DO NOT immerse the water boiler in water or any other liquid.

ROUGH-IN DRAWINGS RD61
WB5N, ROUGH-IN DRAWING 122117NC
7.50 in
[19.1 cm ]
19.99 in
[50.8 cm ]
1.16 in
[2.9 cm ]
0.85 in
[2.2 cm ]
25.75in
[65.4 cm ]
25.55 in
[64.9 cm ]
13.63 in
[34.6 cm ]
3.51 in
[8.9 cm ]
WB5N Series

ROUGH-IN DRAWINGS RD61
WB5N, ROUGH-IN DRAWING 011518NC
7.50 in
[19.1 cm ]
19.99 in
[50.8 cm ]
1.16 in
[2.9 cm ]
0.85 in
[2.2 cm ]
25.75in
[65.4 cm ]
25.55 in
[64.9 cm ]
9.04 in
[23.0 cm ]
3.51 in
[8.9 cm ]
WB5NL Series

ILLUSTRATED PARTS/RECOMMENDED PARTS IP102
WB5N, ILLUSTRATED PARTS/RECOMMENDED PARTS 013118NC
13
29
10
5
15
11
20
19
12
3
26
WB5N[L] - Main Chassis - Exploded View
6
28
24
25
16A
16B
14A
14B
4A
4B
23A
23B
2A
2B
7A
7B
17A
17B
9A
9B
18
20
Water tanks assemblies:
See section IP103
WB5N[B] Series WB5NL[B] Series
1
8
21 8
22
30
22 1
13
27
19
A A

ILLUSTRATED PARTS LIST IP102
WB5N, ILLUSTRATED PARTS/RECOMMENDED PARTS 013118NC
ITEM # PART # DESCRIPTION
1 WC-1955 SHANK, FAUCET PLAIN WB5
2A WC-7181,2,3,4 TRANSFORMER, 120VAC-12VAC
2B WC-7195TRANSFORMER, 240/120VAC-12VAC
3 WC-1412 CORD GRIP, 3/4” FOR METAL CORD TO
.81”OD
4A WC-12001,2,3,4 CORD, 14/3 SJTO 6’ BLK W/PLUG
4B WC-12505CORD, 4mm² 90ºC 49A 450/750V 6 FT LG W/
FERRULES ONE END
5 WC-794K KIT, MUCM & LABEL WB5N & WB5NL
6 WC-2401-P ELBOW 3/8 NPT X 1/4 FLARE PLTD
7A WC-8471,2,3,4 VALVE, INLET 2 GPM 120V 10W GEN USE
BROWN BODY
7B WC-8835VALVE, INLET 2 GPM 240V 10W
8 WC-1906 “C” RING .917 X .760 X .090 TT-3 TC’S
9A WC-61549-1011,2,5 COVER, SIDE ACCESS WB5N
9B WC-61549-101BLK3,4 COVER, SIDE ACCESS BLACK WB5N
10 WC-53157-101 TRIM, EDGE GUARD CHROME WB5N/
WB5NL
11 WC-5231 COMPOUND, SILICONE 5 OZ
12 WC-314 POWER BLOCK, 5 STATION
13 WC-1800HW FAUCET ASSY, RED HANDLE 1-1/32-14 UNS
CURTIS
14A WC-85911,2,3,4 CAPACITOR, X2 USED ON ALL ADS
MODELS
14B WC-86095CAPACITOR, 2.2 UF 250/275 VAC 50/60 ALL
ARU’S
15 WC-390034 LABEL, MUCM OVRLAY CONTROL PAN EL
WB5N
16A WC-13046-1011,2,3,4 HARNESS, ASSY 3PH WB5GT19
16B WC-130485HARNESS, ASSY WB5GT30
ITEM # PART # DESCRIPTION
17A WC-1048-1011,2,3,4 PUMP, ASSY AGITATION WB5GT
17B WC-1009-1015PUMP, AGITATION 220V W/CAPACITOR &
TERMINALS
18 WC-2948 FITTING, TANK OVERFLOW 304SST
19 WC-1813 WASHER, 1-1/8” OD ETHYLENE
PROPYLENE RUBBER
20 WC-1939 NUT, FLANGED TLS-2, GEM3, RU’S
21 WC-431571,2,5 GROMMET, RUBBER .89 ID WB5N WB5NL
22 WC-1903 NUT, UNION SHANK WB-10/WB-10-60/WB-
30-12
23A WC-5310 TUBE, 5/16 ID x 1/8W SILICONE GEN USE
23B WC-5350 TUBE, 1/2 ID x 1/8W SILICONE GEN USE
24 WC-3518 LEG, GLIDE 3/8”-16 STUD SCREW
25 WC-3503 LEG, 3/8”-16 STUD SCREW BUMPER
26 WC-103 SWITCH, TOGGLE NON-LIT DPST 25A
125/250VAC RESISTIVE
27 WC-43159 PLUG, PLASTIC 1.375” MOUNTING HOLE
WB5N & WB5NL
28 WC-8559 RELAY, SOLID STATE, 280Vac MAX W/
INTEGRATED HEAT SINK
29 WC-596K5KIT, NOISE FILTER EMI 250V/30A 1PH
30 WC-431581,2,5 BUSHING, PLASTIC 1.375” MOUNTING
HOLE WB5N & WB5NL
WB5N - Main Chassis - Parts List
ITEM # PART # DESCRIPTION
2A WC-718 TRANSFORMER, 120VAC-12VAC
2B WC-719 TRANSFORMER, 240/120VAC-12VAC
5 WC-794 CONTROL MODULE, MINI UNIVERSAL 120-
220VAC
8 WC-1906 “C” RING .917 X .760 X .090 TT-3 TC’S
7A WC-847 VALVE, INLET 2 GPM 120V 10W GEN USE
BROWN BODY
11 WC-5231 COMPOUND, SILICONE 5 OZ
13 WC-1800HW FAUCET ASSY, RED HANDLE 1-1/32-14 UNS
CURTIS
17A WC-1048-101 PUMP, ASSY AGITATION WB5GT
17B WC-1009-101 PUMP, AGITATION 220V W/CAPACITOR &
TERMINALS
ITEM # PART # DESCRIPTION
19 WC-1813 WASHER, 1-1/8” OD ETHYLENE PROPYLENE
RUBBER
23A WC-5310 TUBE, 5/16 ID x 1/8W SILICONE GEN USE
23B WC-5350 TUBE, 1/2 ID x 1/8W SILICONE GEN USE
24 WC-3518 LEG, GLIDE 3/8”-16 STUD SCREW
25 WC-3503 LEG, 3/8”-16 STUD SCREW BUMPER
26 WC-103 SWITCH, TOGGLE NON-LIT DPST 25A
125/250VAC RESISTIVE
28 WC-8559 RELAY, SOLID STATE, 280Vac MAX W/
INTEGRATED HEAT SINK
Recommended Parts to Stock
1WB5N, 2WB5NL, 3WB5NB, 4WB5NLB, 5WB5N30

ILLUSTRATED PARTS/RECOMMENDED PARTS IP103
8$<>ø5"/,"44&.#-:*--6453"5&%1"3543&$0..&/%&%1"354 /$
ITEM # PART # DESCRIPTION
1A WC-54339 TANK, ASSY WB5N
1B WC-54339-101 TANK, ASSY WB5NL
2 WC-37008 LID ASSY, TANK
3 WC-43067 O-RING, 4-1/2” I.D. X Ø.285 SILICONE TANK LID
4 WC-5527-101K KIT, PROBE, WATER LEVEL WB5N
5 WC-934-04 KIT, ELEMENT HEATING 2.5KW 220V W/JAM NUT &
SILICONE WASHERS
6 WC-1438-101 SENSOR, TEMPERATURE TANK
7 WC-4394 GUARD, SHOCK/HEATING ELEMENT FOR SINGLE
HEATING ELEMENT
ITEM # PART # DESCRIPTION
8 WC-522 THERMOSTAT, HI LIMIT HEATER CONTROL DPST
277V 40A
9 WC-37365 KIT, FITTING TANK INLET
10 WC-37266 KIT, FITTING TANK OVERFLOW
11 WC-37357 KIT, STRAIGHT PLASTIC FITTING AND BUSHING
12MM
12 WC-43055 GUARD, SHOCK RESET THERMOSTAT (WC-522)
13 WC-2471 ELBOW, SILICONE OMEGA
WC-54339[-101] - Tank Assembly
4
10
13
11*
2
3
5
7
6
8
12
9
9
WC-54339[-101] - Tank Assembly - Parts List
ITEM # PART # DESCRIPTION
3 WC-43067 O-RING, 4-1/2” I.D. X Ø.285 SILICONE TANK LID
4 WC-5527-101K KIT, PROBE, WATER LEVEL WB5N
5 WC-934-04 KIT, ELEMENT HEATING 2.5KW 220V W/JAM NUT &
SILICONE WASHERS
6 WC-1438-101 SENSOR, TEMPERATURE TANK
8 WC-522 THERMOSTAT, HI LIMIT HEATER CONTROL DPST
277V 40A
Recommended Parts to Stock
ITEM # PART # DESCRIPTION
9 WC-37365 KIT, FITTING TANK INLET
10 WC-37266 KIT, FITTING TANK OVERFLOW
11 WC-37357 KIT, STRAIGHT PLASTIC FITTING AND BUSHING
12MM
1A
1B
* Fitting location (hole in side of tank)
varies based on part number:
WC-54339 = high location,
WC-54339-101 = low location.

ELECTRICAL SCHEMATICS ES97
WB5N, ELECTRICAL SCHEMATIC 012618NC
Model Voltage
V
Amps
A
WaƩs
W
Hertz
Hz
# of
Conductor
Wires
Phase # of Tank
Elements
Tank Element
RaƟng
W/V
120 12.5 1500 (2)
110/220 22.7 5000 3
120 12.5 1500 (2)
120/240 22.7 5000 3
120 12.5 1500 (2)
120/220 22.7 5000 3
120 12.5 1500 (2)
120/240 22.7 5000 3
06/05xN5BW
1
2 2500W/220V
1
ELECTRICAL RATING TABLE
06/05x36TG5BW
1
2 2500W/220V
1
1
UC M GROUND
2
WATERLEV E L PRO BE
3
NOTUSED
4
NOTUSED
5
SO LID STA TE RELAY -(+ 5 V d c )
6
NOTUSED
7
TA N K TEM PERA TU RE SEN SO R
8
TA N K TEM PERA TU RE SEN SO R
9
NOTUSED
10
NOTUSED
11
INLETVALVE
12
AIR PUM P
13
120V a c HO T
14
12V d c TRANSFORMER
15
12V d c TRANSFORMER
16
SO LID STA TE RELAY -COMMON (-)
UCM Pin A ssignm ents
16 Pin Connector
WB5GT63000/WB5N Series - Dual Voltage

ELECTRICAL SCHEMATICS ES99
WB5GT19000/30000, ELECTRICAL SCHEMATIC 012618NC
Model Voltage
V
Amps
A
WaƩs
W
Hertz
Hz
# of
Conductor
Wires
Phase # of Tank
Elements
Tank Element
RaƟng
W/V
WB5GT30x
WB5N30x
WB5GT30x
WB5N30x
WB5GT30x
WB5N30x
ELECTRICAL RATING TABLE
220
230
240
23.9 50/60 2 1 2 2500W/220V
5000
5500
6000
22.7
25.0
1
UC M GROUND
2
WATERLEV EL PRO BE
3
NOTUSED
4
NOTUSED
5
SO LID STA TE RELAY -+5Vdc
6
NOTUSED
7
TA N K TE M P E R A TU R E SEN SO R
8
TA N K TE M P E R A TU R E SEN SO R
9
NOTUSED
10
NOTUSED
11
INLETVALVE
12
AIR PUM P
13
230V L1
14
12V TR A N SFO R M ER
15
12V TR A N SFO R M ER
16
SO LID STA TE RELAY -COMMON
UCM Pin Assignm ents
16 Pin Connector
WB5GT/WB5N - Export

TROUBLESHOOTING GUIDE TG32
WB5, TROUBLESHOOTING GUIDE 010518NC
WARNING:
Electric Shock Hazard - UIFGPMMPXJOHQSPDFEVSFTBSFUPCFQFSGPSNFEPOMZCZBRVBMJmFETFSWJDFUFDIOJDJBO
%JTDPOOFDUQPXFSXIFOSFQMBDJOHDPNQPOFOUT-PDLPVUBOEUBHUIFDJSDVJUCSFBLFS/FJUIFS8JMCVS$VSUJT
$P*ODOPSUIFTFMMFSDBOCFIFMESFTQPOTJCMFGPSUIFJOUFSQSFUBUJPOPGUIJTJOGPSNBUJPOPSBOZMJBCJMJUZJO
DPOOFDUJPOXJUIJUTVTF
Scald and Burn Hazard -LFFQCPEZQBSUTDMFBSPGIPUTVSGBDFTEVSJOHUSPVCMFTIPPUJOH
Troubleshooting Guidelines
• If an error message appears on the display, consult the ERROR CODESTFDUJPOCFGPSFUSPVCMFTIPPUJOH
• "VOJUUIBUJTOPUMFWFMNBZOPUGVODUJPOQSPQFSMZ.BLFTVSFUIBUUIFVOJUJTQSPQFSMZMFWFMFECFGPSFQSPDFFEJOH
• 5IJTUSPVCMFTIPPUJOHHVJEFJEFOUJmFTTPNFCVUOPUBMMQPTTJCMFDBVTFTGPSDPNNPOQSPCMFNTUIBUDBOPDDVS
• Use this troubleshooting guide along with the appropriate ELECTRICAL SCHEMATIC.
Valve Test Procedure
6TFBEJHJUBMNVMUJNFUFSUPNFBTVSFUIFSFTJTUBODFPGWBMWFDPJMT
.FBTVSFUIFSFTJTUBODFBDSPTTUIFWBMWFDPJMUFSNJOBMTXJUIUIFXJSJOHIBSOFTTEJTDPOOFDUFE3FWFSTFUIFNFUFS
MFBETPOUIFUFSNJOBMTBOENFBTVSFUIFSFTJTUBODFJOUIFPQQPTJUFEJSFDUJPO"SFTJTUBODFPGMFTTUIBOPINT
in either directionJOEJDBUFTBTIPSUFEDPJM5IFWBMWFNVTUCFSFQMBDFE
If a shorted coil is not detected, test for an open coil:
1 3FDPOOFDUUIFWBMWFUFSNJOBMTUPUIFXJSJOHIBSOFTT
2 1PXFSVQUIFVOJUXJUIUIFBQQSPQSJBUFDPWFSSFNPWFEUPBMMPXBDDFTTUPUIFWBMWF
3 1MBDFBMBSHFDVQVOEFSUIFXBUFSGBVDFU%SBJOPGGXBUFSXIJMFNPOJUPSJOHUIFWPMUBHFBUUIFJOMFUWBMWFDPJM
UFSNJOBMT8IFOWPMUBHFJTQSFTFOUPOUIFUFSNJOBMTZPVTIPVMEIFBSUIFWBMWFDMJDLPQFODMPTFEBUUIF
NPNFOUQPXFSJTBQQMJFEPSSFNPWFEGSPNUIFUFSNJOBMT5IFWBMWFTIPVMEPQFOBOZUJNFUIFXBUFSUBOLJTOPU
GVMM*GUIFWBMWFEPFTOPUPQFOSFQMBDFJU*GWPMUBHFJTOPUEFUFDUFEmSTUDIFDLUIFXJSJOH*GUIFXJSJOHJT0,
SFQMBDFUIF6$.
No Power - Display Not Lit
1 .BLFTVSFUIBUUIFDJSDVJUCSFBLFSUPUIFDJSDVJUTVQQMZJOHQPXFSUPUIFVOJUJTOPUUSJQQFEBOEJTUVSOFEPO
2 0OVOJUTXJUIBQPXFSQMVHNBLFTVSFJUJTDPOOFDUFEUPUIFQPXFSSFDFQUBDMF
3 .BLFTVSFUIBUUIFNBJOQPXFSUPHHMFTXJUDIPOUIFCBDLQBOFMJTUVSOFE0/
4 7FSJGZUIBUBMMXJSFTGSPNUIFQPXFSDPSEBSFQSPQFSMZDPOOFDUFEJOTJEFUIFVOJU$IFDLUPNBLFTVSFUIFXJSFT
BSFOPUCVSOFEPWFSIFBUFE-PPTFDPOOFDUJPOTDSFBUFIFBU$IFDLDIBTTJTHSPVOE
5 $IFDLUPNBLFTVSFQPXFSBOEHSPVOEBSFCFJOHTVQQMJFEUPUIFDPOUSPMNPEVMF6$.*GUIFSFJTQPXFSJOUP
UIF6$.CVUUIFEJTQMBZJTCMBOLUIF6$.JTQSPCBCMZCBE
6 *GUIFSFJTOPQPXFSJOUPUIF6$.USBDFUIFDJSDVJUCBDLVTJOHUIFELECTRICAL SCHEMATICUPUIFQPXFS
DPSEUPmOEPVUXIFSFQPXFSJTMPTU*GUIFSFJTQPXFSJOUPUIFUIFSNPTUBUSFTFUTXJUDICVUOPUPVUTFFTUFQ
 *GUIFSFJTQPXFSJOUPUIFUIFSNPTUBUSFTFUTXJUDICVUOPUPVUDIFDLUPNBLFTVSFUIBUUIFXBUFSUBOLJTOPU
FNQUZ*GUIFUBOLJTFNQUZUIFSFTFUTXJUDIIBTQSPCBCMZPQFOFEVQEVFUPBMPXXBUFSMFWFMHPUPWater
Tank Does Not Fill*GUIFSFJTXBUFSJOUIFUBOLCVUOPQPXFSPVUQVTIJOPOUIFSFTFUTXJUDICVUUPOUPTFF
JGJUSFTUPSFTQPXFS*GQPXFSJTSFTUPSFEDIFDLUPNBLFTVSFUIBUUIFTXJUDIJTOPUPQFOJOHVQBUUIFXSPOH
UFNQFSBUVSFUIFTXJUDITIPVMEOPUPQFOVQBUOPSNBMPQFSBUJOHXBUFSUFNQFSBUVSFT*GUIFSFJTTUJMMOPQPXFS
UISPVHIUIFTXJUDIBGUFSQVTIJOHUIFCVUUPOSFQMBDFUIFUIFSNPTUBUSFTFUTXJUDI
IMPORTANT: *GJUJTOFDFTTBSZUPSFQMBDFUIF(VOJWFSTBMDPOUSPMNPEVMF6$.alwaysDIFDLUIFJOMFU
WBMWF GPS B TIPSU BOE SFQMBDF UIF WBMWF BT OFDFTTBSZ CFGPSF SFQMBDJOH UIF NPEVMF 4FF UIF Valve Test
ProcedureCFMPXUPUFTUGPSEFGFDUJWFWBMWFT

TROUBLESHOOTING GUIDE TG32
WB5, TROUBLESHOOTING GUIDE 010518NC
Sensor Error Message (ERR1)
5IJTFSSPSJOEJDBUFTBNBMGVODUJPOPQFODJSDVJUJOUIFUFNQFSBUVSFTFOTPSTZTUFN0ODFUIFNBMGVODUJPOJT
DPSSFDUFEUIFFSSPSNFTTBHFNVTUCFDMFBSFE5PSFTFUUIFVOJUBOESFUVSOUPOPSNBMPQFSBUJPOUVSOUIFUPHHMF
TXJUDIPOUIFCBDLPGUIFVOJUUPUIF0''QPTJUJPOGPSTFDPOETUIFOCBDL0/
1 $IFDLUIFSFTJTUBODFBDSPTTUIFMFBETPGUIFUFNQFSBUVSFTFOTPSXIJMFJUJTEJTDPOOFDUFEGSPNUIFVOJWFSTBM
DPOUSPMNPEVMF6$.*GBOPQFODJSDVJUJTNFBTVSFESFTJTUBODFBCPWFLSFQMBDFUIFTFOTPS
2 *GUIFTFOTPSSFTJTUBODFJTMFTTUIBOLDIFDLUIFTFOTPSXJSFTGPSDPSSPTJPOBOESFDPOOFDUUIFNUPUIF
6$."GUFSXBSEJGUIFFSSPSNFTTBHFDPNFTCBDLBGUFSSFTFUUJOHUIF6$.SFQMBDFJU
Water Level Error Message (ERR2)
8BUFSMFWFMmMMFSSPSPSPWFSnPX5IJTFSSPSNFTTBHFPDDVSTXIFOUIFJOMFUWBMWFTPMFOPJEIBTCFFOPOUPPMPOH
EVSJOHJOJUJBMmMMPSUBOLSFmMM4FFUIF ERROR CODESTFDUJPOGPSUIFNBYJNVNUJNFTBMMPXFE"MTPTFFWater Tank
2YHU¿OOV0ODFUIFNBMGVODUJPOJTDPSSFDUFEUIFFSSPSNFTTBHFNVTUCFDMFBSFE5PSFTFUUIFVOJUBOESFUVSOUP
OPSNBMPQFSBUJPOUVSOUIFUPHHMFTXJUDIPOUIFCBDLPGUIFVOJUUPUIF0''QPTJUJPOGPSTFDPOETUIFOCBDL0/
Water Does Not Heat At All
• $IFDLUPTFFJGUIFXBUFSMFWFMJOUIFUBOLJTJODPOUBDUXJUIUIFXBUFSMFWFMQSPCF*GOPUTFFTank Does Not Fill
5IFXBUFSXJMMOPUIFBUVOMFTTJUJTJODPOUBDUXJUIUIFQSPCF
• If the water heats, but is not hot enough, see Water Not Hot Enough
• If the READYMJHIUJTPOCVUUIFXBUFSJTOPUIPUDIFDLUIFSFTJTUBODFBDSPTTUIFMFBETPGUIFUFNQFSBUVSF
TFOTPS*GUIFSFTJTUBODFJTMFTTUIBOLBOEUIFXBUFSJTOPUIPUSFQMBDFUIFUFNQFSBUVSFTFOTPS*GUIFTFOTPS
SFTJTUBODFJTBCPWFLXIFOUIFXBUFSJTDPPMSFQMBDFUIFVOJWFSTBMDPOUSPMNPEVMF6$.
*GUIFEJTQMBZJTDIBTJOHVOJUTIPVMECFIFBUJOHCVUUIFXBUFSJTOPUIPUGPMMPXUIFTUFQTCFMPX5IFGPMMPXJOH
TUFQTBSFQFSGPSNFEXJUIUIFSFBSUPHHMFTXJUDIJOUIF0/QPTJUJPO
1 $IFDLGPSQPXFSBDSPTTUIFUFSNJOBMTPGUIFIFBUJOHFMFNFOUT*GQPXFSJTCFJOHTVQQMJFESFNPWFUIFXJSFT
BOEDIFDLGPSBOPQFOIFBUJOHFMFNFOU
2 *GUIFSFJTOPQPXFSUPUIFFMFNFOUTUSBDFUIFDJSDVJUCBDLVTJOHUIFELECTRICAL SCHEMATICUPUIFQPXFS
DPSEUPmOEPVUXIFSFQPXFSJTMPTU*GUIFSFJTQPXFSJOUPUIFTPMJETUBUFSFMBZT443TCVUOPUPVUTFFUIF
GPMMPXJOHTUFQ0OVOJUTIBWJOHUXP443TCFTVSFUPDIFDLCPUI
3 *GUIFSFJTQPXFSJOUPB443CVUOPUPVUDIFDLGPS7EDOPNJOBMBDSPTTUIFBOEQJOTPGUIF443T*G
UIFSFJT7EDBDSPTTUIFBOEQJOTPGUIF443TCVUOPPSMPXPVUQVUWPMUBHFBUB443PVUQVUUFSNJOBM
SFQMBDFUIF443*G7EDJTOPUCFJOHTVQQMJFEGSPNUIF6$.CVUUIFEJTQMBZJTDIBTJOHDIFDLUIFXJSJOH
GSPNUIF6$.UPUIF443T*GUIFXJSJOHJT0,SFQMBDFUIF6$.
Water Not Hot Enough
1 *GUIFXBUFSIFBUTCVUJTOPUIPUFOPVHImSTUDIFDLGPSUIFDPSSFDUUFNQFSBUVSFTFUUJOHPOUIFDPOUSPMQBOFM
3FQSPHSBNBTOFDFTTBSZ4FFPROGRAMMING GUIDE
2 *GUIFUFNQFSBUVSFTFUUJOHJT0,NFBTVSFUIFSFTJTUBODFPGUIFUFNQFSBUVSF*GUIFUFNQFSBUVSFTFOTPS
NFBTVSFTCFMPXLCVUUIFXBUFSJTOPUIPUSFQMBDFUIFUFNQFSBUVSFTFOTPS
Water Heats More Slowly Than Usual
1 $IFDLGPSQPXFSBDSPTTUIFUFSNJOBMTPGUIFIFBUJOHFMFNFOUT*GQPXFSJTCFJOHTVQQMJFEEJTDPOOFDUUIF
IFBUJOHFMFNFOUTBOEDIFDLGPSDPOUJOVJUZ3FQMBDFBIFBUJOHFMFNFOUJGUIFSFTJTUBODFJTUPPIJHIOPNJOBM
SFTJTUBODFJT0INT
2 *GUIFSFJTOPQPXFSUPUIFIFBUJOHFMFNFOUTDIFDLUIFXJSJOHUPBOZFMFNFOUUIBUEPFTOPUIBWFUIFQSPQFS
WPMUBHFBDSPTTJU"MTPDIFDLGPSDPSSPEFEDPOOFDUJPOTBOZXIFSFCFUXFFOUIFQPXFSDPSEBOEUIFIFBUJOH
FMFNFOUT