
MODELS INCLUDED
• RU-150
• RU-225
• RU-300
• RU-600
• RU-1000
CAUTION: Please use
this setup procedure
before attempting to use
this brewer. Failure to follow the
instructions can result in injury or the
voiding of the warranty.
Service Manual – RU Series Automatic Urns
The RU Automatic Urn is Factory Pre-Set and Ready to Go… Right from the Box.
Factory Settings:
• Brew Temperature = 200°F • Brew Volume = Set to requirements of coffee liner.
System Requirements
• Water Source: 20 – 100PSI (Min Flow Rate of 1 GPM)
• Electrical: See attached schematic for standard model or visit www.wilburcurtis.com for your model.
• HEAT SUPPLY: Read the serial tag to determine the energy source (electric, gas, steam).
SETUP STEPS
1. Place unit at counter height. on a rm, level base, in such a way that it can be connected to water and power supply.
2. Install the water and coffee faucet.
3. Connect water line to inlet tting on valve. It is recommended that some type of water mineral reducing lter be used in the water
line before entering the unit. Water pressure entering brewer is required to be stable and must provide minimum of 1 gallon per
minute. Use water regulator for constant pressure. Required water pressures, 20 to 100 psi. Turn on water valve.
4. If setting up a gas urn, connect gas line with 3/8” O.D. ex tube from urn to gas valve in the facility. Check for leaks.
5. Hook-up electrical power to the unit (refer to schematic for power requirements). If gas or steam, 120V circuit is required.
6. When power is turned on, water will start owing into the water jacket. You may increase the speed of the lling by using the
emergency rell valve.
7. When the water jacket has lled, turn on the thermostat by turning the dial clockwise to the desired setting. It will take 50 to 60
minutes for the heating tank to reach operating temperature. On electric urns, the thermostat indicator will light at this time.
Important Safeguards/Symbols
Symbols
WARNINGS – To help avoid personal injury
Important Notes/Cautions – from the factory
Sanitation Requirements
Wilbur Curtis Company, inC.
CAUTION: DO NOT
connect this urn to hot
water. The inlet valve is
not rated for hot water.
WARNING: DO NOT
place this urn closer than
six [6] inches from wall.
Urn must have adequate
cross-ventilation.
WARNING When you
hookup an electric urn,
use the proper wire gauge,
plus 25%. Never use fuses
or breakers larger than needed. The
body of the urn must be securely
grounded with a separate grounding
conductor and never with the neutral
conductor of a single phase, 3 wire
system.
Refer to the wiring diagram included
with each urn for wire gauge.
NSF International requires the following:
1. A quick disconnect or additional coiled tubing (at least 2x the depth of the unit) so the unit can be moved for cleaning.
2. This equipment is to be installed with adequate backow 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 main-
tained in accordance with federal, state, and local codes.
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.
For the latest specications and information go to www.wilburcurtis.com
Technical Support: 1-800-995-0417 M-F 5:30am-4:00pm PT
ISO 9001:2008 REGISTERED
WILBUR CURTIS CO., INC.
6913 West Acco Street
Montebello, CA 90640-5403
For the latest information go to
www.wilburcurtis.com
Tel: 800-421-6150
Fax: 323-837-2410
2. Rotate sprayhead over bed of coffee
inside lter.
3. Press the BREW button on control
panel to begin brewing.
1. Place lter in basket. Pour coffee into
lter. Place basket into liner.
BREWING INSTRUCTIONS
WARNING HOT LIQUID, Scalding may occur. Avoid splashing.