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Curtis WB5GT Service Manual

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Models Included
• WB5GT
CAUTION:
Equipment must be
installed to comply
with applicable federal, state,
and local plumbing/electrical
codes.
CAUTION: Follow
this setup procedure
before attempting
to use this unit. Failure to
follow these instructions can
result in injury and/or void of
warranty.
CAUTION: DO NOT
connect the unit to
hot water supply.
The inlet valve is not rated for
hot water.
ISO 9001:2008 REGISTERED
WILBUR CURTIS CO.
6913 Acco Street,
Montebello, CA 90640-5403
For the latest information go to
www.wilburcurtis.com
Tel: 800/421-6150
Fax: 323/837-2410
Service Manual – WB5GT Water Boiler
Important Safeguards/Symbols
This equipment is designed for commercial use. Any servicing other than cleaning and routine maintenance should be
performed by an authorized Wilbur Curtis Company service technician.
• DO NOT immerse the unit in water or any other liquid
• To reduce the risk of fire or electric shock, DO NOT opens service panels. There are no user serviceable parts
inside.
• Keep hands and other items away from hot areas of the unit during operation.
• Never clean with scouring powders or harsh chemicals.
Symbols:
WARNINGS – To help avoid personal injury
Important Notes/Cautions – from the factory
Sanitation Requirements
INSTALLATION
This Curtis unit is pre-set and ready to go from the factory.
System Requirements:
• Water Supply 20 – 90 PSI (MINIMUM FLOW RATE of 2 GPM)
• Electrical: See electrical schematic.
SETUP STEPS
1. The unit should be level (left to right - front to back), on a secure surface.
2. Connect the water line to the water inlet fitting on the rear of the unit. Water volume going to the machine should be
consistent. Use tubing sized sufficiently to provide a minimum flow rate of two gallons per minute.
NOTE: A water filtration system must be used to help maintain trouble-free operation. In areas with extremely hard
water, we highly recommend the use of a Curtis approved water filter. (For our full line of filters, please log on to
www.wilburcurtis.com) A water filtration system will greatly prolong the life of the unit and enhance the quality and
taste of the product.
NSF requires the following water connection:
1. A quick disconnect or additional coiled tubing (at least 2x the depth of the unit) is required so that the unit
can be moved for cleaning.
2. This unit must be installed with adequate backflow protection to comply with applicable federal, state and
local codes.
3. Water pipe connections and fixtures directly connected to a portable water supply shall be sized, installed
and maintained in accordance with federal, state, and local codes.
3. Connect the unit to electrical outlet with appropriate amperage rating (See serial tag on machine).
4. Once power has been supplied to the unit, flip the toggle switch to the 'ON' position (located on the rear of the unit),
the water tank will begin to fill. When the water level in the tank reaches the probe, the heating element will turn on.
5. Water in the heating tank will require 60 to 70 minutes before reaching operating temperature (factory setting of
204°F).
WB5GT
Rough-In
Drawing
For the latest specifications and information go to www.wilburcurtis.com
Technical support: 1-800-995-0417 M-F 5:30am-4:00pm pst
W
C
C
ilbur
urtis
ompany
Email: techsupport@wilburcurtis.com
, i
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Summary of Contents for Curtis WB5GT

  • Page 1 • Never clean with scouring powders or harsh chemicals. Symbols: WARNINGS – To help avoid personal injury Important Notes/Cautions – from the factory Sanitation Requirements INSTALLATION This Curtis unit is pre-set and ready to go from the factory. System Requirements: • Water Supply 20 – 90 PSI (MINIMUM FLOW RATE of 2 GPM) • Electrical: See electrical schematic. Models Included SETUP STEPS • WB5GT 1. The unit should be level (left to right - front to back), on a secure surface.

  • Page 2: Other Features

    PROGRAMMING UNIVERSAL CONTROL MODULE (UCM) FUNCTION 1. Press TEMP button for 1 second to check the set point temperature. READY 2. Press TEMP button for 3 seconds to enter heating tank temperature programming mode. The temperature in the TEMP ON/OFF AERATION heating tank is adjustable from 140º to 210º F. To change temperature setting: a. Press to increase at 2º increments. b. Press to decrease temperature. c. Press to set and exit programming. FUNCTION FUNCTION 1. ON/OFF button. Press once to activate control panel. 1. Press the AERATION button to pump air through the water in the heating tank. 2. ON/OFF button used to set and exit programming. 2. Aerator pump will run as long as you hold down the button. Release button to stop. OTHER FEATURES LED SCREEN DISPLAY When the unit is on and not in programming mode, the UCM will stay on and the LED screen will...

  • Page 3: Illustrated Parts List

    ILLUSTRATED PARTS LIST...

  • Page 4: Parts List

    ELBOW, OVERFLOW PLASTIC ULTEM (8mm) WC- 934-04* HEATING ELEMENT, 220V 2500W WC-1438-101* SENSOR, TEMPERATURE TANK WC-4382* GUARD, SHOCK HTNG ELMNT DOUBLE WC-43055 GUARD, SHOCK RESET THEMOSTAT WC- 522* THERMOSTAT, HI LIMIT HTR CNTRL DPST 277V 40A WC-5231* COMPOUND, SILICONE 5 oz WC-5310* TUBING, 5/16” ID X 1/8” W SILICONE WC- 718* TRANSFORMER, 120VAC-12VAC WC- 719* TRANSFORMER, 240/120VAC-12VAC WC-1048-101* PUMP, ASSY AGITATION WB5GT WC-39610 LABEL, FRONT OUTER WC- 794* CONTROL MODULE, 120V MINI WB WC-39602 LABEL, MUCM CONTROL PANEL WC-29082 FITTING, 1/2”-14 NPSF ASSEMBLY WC-1866HW* FAUCET, LOCKING HOT WATER WC-1902 SHANK, FAUCET PLAIN W/NUTS WC-1813 WASHER, 1⅛” O.D. DTP-08 DRIP TRAY ASSEMBLY WC-61549 COVER, SIDE ACCESS WC-3518* LEG, GLIDE 3/8”-16 STUD SCREW...
  • Page 5 ELECTRICAL SCHEMATIC 120/220V SINGLE PHASE...
  • Page 6 ELECTRICAL SCHEMATIC 220V THREE PHASE...

  • Page 7: Wall Mount Option

    WALL MOUNT OPTION This wall mount kit allows you to place your Curtis water boiler, model WB5GT, against a wall surface. The water boiler may be mounted with WATERBOILER the faucet facing in either direction. The kit requires some assembly. To order the kit request Curtis part number WC-37347. WALL O T I...
  • Page 8 Curtis equipment that have not been purchased from the Wilbur Curtis Company, Inc. The Wilbur Curtis Company will not accept any responsibility if the following conditions are not met. The warranty does not cover and is void under the following circumstances: 1) Improper operation of equipment: The equipment must be used for its designed and intended purpose and function.