®
HW2
BUNN
HW2A
HOT WATER DISPENSERS
INSTALLATION & OPERATING INSTRUCTIONS
INTRODUCTION
This equipment heats and dispenses water on demand for beverages and cooking purposes.
WARRANTY
Bunn-O-Matic Corp. (“Bunn”) warrants the equipment manufactured by it to be commercially free from defects in
material and workmanship existing at the time of manufacture and appearing within one year from the date of installation.
In addition:
1.) Bunn warrants electronic circuit and/or control boards to be commercially free from defects in material and work-
manship for two years from the date of installation.
2.) Bunn warrants the compressor on refrigeration equipment to be commercially free from defects in material and
workmanship for two years from the date of installation.
3.) Bunn warrants that the grinding burrs on coffee grinding equipment will grind coffee to meet original factory screen
sieve analysis for three years from date of installation or for 30,000 pounds of coffee, whichever comes first.
This warranty does not apply to any equipment, component or part that was not manufactured by Bunn or that, in
Bunn’s judgement, has been affected by misuse, neglect, alteration, improper installation or operation, improper maintenance or repair, damage or casualty.
THE FOREGOING WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTY, WRITTEN OR ORAL,
EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF EITHER MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE. The agents, dealers or employees of Bunn are not authorized to make
modifications to this warranty or to make additional warranties that are binding on Bunn. Accordingly, statements by such
individuals, whether oral or written, do not constitute warranties and should not be relied upon.
The Buyer shall give Bunn prompt notice of any claim to be made under this warranty by telephone at (217) 529-6601
or by writing to Post Office Box 3227, Springfield, Illinois, 62708-3227. If requested by Bunn, the Buyer shall ship the
defective equipment prepaid to an authorized Bunn service location. If Bunn determines, in its sole discretion, that the
equipment does not conform to the warranty, Bunn shall repair the equipment with no charge for parts during the warranty
period and no charge for labor by a Bunn Authorized Service Representative during the warranty period. If Bunn determines
that repair is not feasible, Bunn shall, at its sole option, replace the equipment or refund the purchase price for the equipment.
THE BUYER’S REMEDY AGAINST BUNN FOR THE BREACH OF ANY OBLIGATION ARISING OUT OF THE SALE OF THIS
EQUIPMENT, WHETHER DERIVED FROM WARRANTY OR OTHERWISE, SHALL BE LIMITED, AS SPECIFIED HEREIN, TO
REPAIR OR, AT BUNN’S SOLE OPTION, REPLACEMENT OR REFUND.
In no event shall Bunn be liable for any other damage or loss, including, but not limited to, lost profits, lost sales, loss
of use of equipment, claims of Buyer’s customers, cost of capital, cost of down time, cost of substitute equipment, facilities
or services, or any other special, incidental or consequential damages.
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
10052.0000 6/00 ©1987 Bunn-O-Matic Corporation
USER NOTICES
The notices on this dispenser should be kept in good condition. Replace unreadable or damaged labels.
00657.0000
00831.0000
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10052 060700
ELECTRICAL REQUIREMENTS
CAUTION - The dispenser must be unplugged until specified in Initial Set-Up.
The Model HW2 has an attached cordset and requires 2-wire, grounded service rated 120V ac, 15 amp,
single phase, 60 Hz. The Model Hw2A requires 2-wire grounded service rated 240V ac, 8 amp, single phase, 50
Hz.
PLUMBING REQUIREMENTS
This dispenser must be connected to a cold water system with operating pressure between 20 and 90 psi
(138 and 620 kPa) from a 1/2" or larger supply line. A shut-off valve should be installed in the line before the
dispenser. 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 inlet fitting is 1/4" flare.
NOTE - Bunn-O-Matic recommends 1/4" copper tubing for installations of less than 25 feet and 3/8" for more
than 25 feet from the 1/2" water supply line. A tight coil of copper tubing in the water line will facilitate moving
the dispenser to clean the countertop. Bunn-O-Matic does not recommend the use of a saddle valve to install the
dispenser. 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 Oficials and Code Administrators Internatiopnal, Inc. (BOCA)
and the Food Service and Drug Administration (FDA).
Plumbing Hook-Up
1. Flush the water line and securely attach it to the bulkhead fitting on the rear of the machine.
2. Turn-on the water supply.
INITIAL SET-UP
CAUTION - The dispenser must be disconnected from the power source throughout the initial set-up, except
when specified in the instructions.
1. Remove the center rear panel and rotate the control thermostat knob fully counterclockwise to the “OFF”
position and replace the panel.
2. Plug-in the dispenser.
3. Water will automatically flow into the tank to the proper level and shut-off.
4. Unplug the dispenser, remove the center rear panel and rotate the control thermostat knob fully clockwise
to the “ON” position, and replace the panel.
5. Plug-in the dispenser and wait approximately twenty minutes for the water in the tank to heat. The dis-
penser is ready for use.
CLEANING
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.
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10052 060700
WIRING DIAGRAMS
SCHEMATIC WIRING DIAGRAM HW2
L1
BLK BLK WHI
WHI
BLK BLK
SW. &
THERMOSTAT
SAFETY SW
RED
LIMIT
THERMOSTAT
BLK
40W
KEEP WARM HEATER
RED
KEEP WARM HEATER
LIQUID
LEVEL
BOARD
14
32
120 VOLTS A C
2 WIRE
SINGLE PHASE
10261.0000E 5/98 © 1987 BUNN-O-MATIC CORPORATION
GREEN
1700W
TANK HEATER
40W
BLU/BLK
P
N
K
(PROBE)
SOL
N
WHI
WHIWHI
WHI
WHI
SCHEMATIC WIRING DIAGRAM HW2A
L1
BLK
WHI
WHI
BLK
SW. &
THERMOSTAT
SAFETY SW
RED
LIMIT
THERMOSTAT
BLK
34W
KEEP WARM HEATER
RED
BLK
BLK
KEEP WARM HEATER
LIQUID
LEVEL
BOARD
14
32
240 VOLTS A C
2 WIRE
SINGLE PHASE
10261.0001E 5/98 © 1998 BUNN-O-MATIC CORPORATION
GRN/YEL
1700W
TANK HEATER
34W
BLU/BLK
P
N
K
(PROBE)
SOL
L2
RED
RED
RED
RED
RED
4
10052 061598
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