Service manual

ManualsBrandsWilbur Curtis Company ManualsDomestic AppliancesWB5NLB

Important Safeguards/Symbols

Models Included

• WB5N

• WB5NL

• WB5N30

• WB5NB

• WB5NLB

Service Manual – WB5N Hot Water Dispenser

Wilbur Curtis Company, inC.

Symbols:

WARNINGS – To help avoid personal injury

Important Notes/Cautions – from the factory

Sanitation Requirements

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 re or electric shock, DO NOT open 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.

CAUTION: DO NOT

connect the unit to

hot water supply.

The inlet valve is not rated for

hot water.

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.

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

CAUTION:

Equipment must be

installed to comply

with applicable federal, state,

and local plumbing/electrical

codes.

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.

3. Connect the unit to electrical outlet with appropriate amperage rating (See serial tag on ma-

chine).

4. Once power has been supplied to the unit, ip the toggle switch to the ‘ON’ position (located on

the rear of the unit), the water tank will begin to ll. When the water level in the tank reaches the

probe, the heating element will turn on.

5. During the initial setup, the heating tank will reach operating temperature in 60 to 70 minutes

(factory default 204°F).

* Expect ow rate from hot water faucet to be 1 GPM from WB5N and 2 GPM from WB5NL

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backowprotectiontocomplywithapplicablefederal,

state and local codes.

3.Waterpipeconnectionsandxturesdirectlyconnectedtoaportablewatersupplyshallbesized,

installed and maintained in accordance with federal, state, and local codes.

NOTE:Awaterltrationsystemmustbeusedtohelpmaintaintrouble-freeoperation.Air must be

purged from the cartridge prior to connection to equipment. Inareaswithextremelyhardwa-

ter,wehighlyrecommendtheuseofaCurtisapprovedwaterlter.Forourfulllineoflters,please

log on to www.wilburcurtis.com.

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 tting on the rear of the unit. Water volume going to the

machine should be consistent. Use tubing sized sufciently to provide a minimum ow rate of

two gallons per minute.

For the latest specications and information go to www.wilburcurtis.com

Summary of content (10 pages)

PAGE 1
Wilbur Curtis Company, Inc. Service Manual – WB5N Hot Water Dispenser 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 open service panels. There are no user serviceable parts inside.
PAGE 2
PROGRAMMING UNIVERSAL CONTROL MODULE (UCM) A FUNCTION 1. Press TEMP button for 1 second to check the set point temperature. 2. Press TEMP button for 3 seconds to enter heating tank temperature programming mode. The temperature in the heating tank is adjustable from 140º to 210º F. To change temperature setting: a. Press to decrease temperature. b. Press to set and exit programming. c. Press to increase at 2º increments. B FUNCTION 1.
PAGE 3
ILLUSTRATED PARTS LIST 1 2 3 4 5 11 12 13 6 14 15 7 8 9 10 ITEM № 1 1A 2 2A 3 4 4A 5 6 7 8 8A 9 10 11 12 13 14 PART № WC-37567K WC-37579BLK WC-1048-101* WC-1009-101 WC-13046-101 WC-718 * WC-719 WC-53157-101 WC-794K * WC-8559* WC- 847* WC-883 WC-3518* WC-3503* WC-61987 WC-2948 WC-1200 WC-103 * DESCRIPTION KIT, TOP COVER WB5N & WB5NL KIT, TOP COVER WB5NB & WB5NLB BLACK PUMP ASSEMBLY, AGITATION (120V) PUMP, AGITATION 220V W/CAPACITOR & TERMINALS HARNESS ASSEMBLY, DV WB5N & WB5NL TRANSFORMER, 120VAC-12VA
PAGE 4
ILLUSTRATED PARTS LIST 23 24 25 26 19 22 27 29 17 18 20 28 30 30 31 32 33 16 34 21 ITEM № PART № 15 WC-61549-101 15A WC-61549-101BLK 16 WC-37568K 16A WC-37578BLK 17 WC-43157 18 WC-43158 19 WC-1955 20 WC-1903 21 WC-1800HW* 22 WC-1906 23 WC-1939 24 WC-1813 25 WC-37008* 26 WC-43067* 27 WC-5310 28 WC-2471 4 DESCRIPTION COVER, SIDE ACCESS COVER, SIDE ACCESS BLACK WB5N/NL/5NB/5NLB KIT, FRONT COVER WB5N & WB5NL KIT, FRONT COVER WB5NB & WB5NLB (BLACK) GROMMET, RUBBER 0.89” ID BUSHING, PLASTIC 1.
PAGE 5
ILLUSTRATED PARTS LIST 31A 16 35 39 19 20 36 21 22 23 37 24 38 NOTE: The WB5NL unit is Illustrated on this page. Many of the parts shared between the three hot water dispensers. Parts unique to the WB5NL are noted in bold type. ITEM № PART № DESCRIPTION 29 WC-5350 TUBE, Ø1/2” x 1/8” WALL SILICONE (1.
PAGE 6
ELECTRICAL SCHEMATIC 6
PAGE 7
ELECTRICAL SCHEMATIC 7
PAGE 8
WB5N ROUGH-IN DRAWING WB5NL ROUGH-IN DRAWING 8
PAGE 9
CLEANING Regular cleaning and preventive maintenance is essential in keeping your hot water dispenser looking and working like new. To clean the hot water dispensing unit and components, prepare a mild solution of detergent and warm water. CAUTION – Do not use cleansers, bleach liquids, powders or any other substance containing chlorine. These products promote corrosion and will pit the stainless steel. USE OF THESE PRODUCTS WILL VOID THE WARRANTY. DAILY CLEANING 1.
PAGE 10
Product Warranty Information The Wilbur Curtis Company certifies that its products are free from defects in material and workmanship under normal use. The following limited warranties and conditions apply: 3 Years, Parts and Labor, from Original Date of Purchase on digital control boards. 2 Years, Parts, from Original Date of Purchase on all other electrical components, fittings and tubing. 1 Year, Labor, from Original Date of Purchase on all electrical components, fittings and tubing.