Hobart WS-500 Service Manual
SERVICE MANUAL
WS-500 Water Softening System
Installation Instructions
WS-500
- NOTICE -
This Manual is prepared for the use of trained Hobart Service
Technicians and should not be used by those not properly
qualified.
This manual is not intended to be all encompassing. If you have
not attended a Hobart Service School for this product, you should
read, in its entirety, the repair procedure you wish to perform to
determine if you have the necessary tools, instruments and skills
required to perform the procedure. Procedures for which you do
not have the necessary tools, instruments and skills should be
performed by a trained Hobart Service Technician.
The reproduction, transfer, sale or other use of this Manual,
without the express written consent of Hobart, is prohibited.
This manual has been provided to you by ITW Food Equipment
Group LLC ("ITW FEG") without charge and remains the property
of ITW FEG, and by accepting this manual you agree that you will
return it to ITW FEG promptly upon its request for such return at
any time in the future.
A product of Hobart Service 701 S. Ridge Ave Troy, OH 45374
F25405 Rev. A (0913)
WS-500 Water Softening System Installation Instructions
TABLE OF CONTENTS
GENERAL INFORMATION WS-500 ......................................................................... 3
GENERAL WS-500 ..................................................................................... 3
BY PASS OPTIONS ........................................................................................ 4
BY- PASS VALVE KIT WS-500 ......................................................................... 4
BY- PASS VALVING WS-500 ........................................................................... 8
INSTALLATION ........................................................................................... 10
INSTALLATION WS-500 .............................................................................. 10
BRINE DRUM SETTINGS FOR WS-500 ............................................................... 12
DISC REPLACEMENT .................................................................................... 14
DISC REPLACEMENT WS-500 ........................................................................ 14
DISC SELECTION ........................................................................................ 16
DISC SELECTION WS-500 ............................................................................ 16
© HOBART SERVICE 2013
F25405 Rev. A (0913) Page 2 of 16
WS-500 Water Softening System Installation Instructions - GENERAL INFORMATION WS-500
GENERAL INFORMATION WS-500
GENERAL WS-500
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1. Determine location to install equipment. Make
sure the unit will be on a flat surface.
2. If sand, silt, or turbidity is present, install a
separate prefilter.
NOTE: Sediment filtration is recommended before
the water softener, particularly in areas with known
sediment issues or on a private water supplies.
NOTE: If the peak flow rate required is unknown, a
prefilter with a minimum of 1.25" connections should
be used. Filters with 5 micron nominal ratings should
be considered the standard in food service
applications.
3. If the optional by-pass valve kit is being installed,
follow steps listed under BY- PASS VALVE KIT
WS-500 . If bypass valve kit is not being installed
proceed to BY- PASS VALVING WS-500.
Page 3 of 16 F25405 Rev. A (0913)
WS-500 Water Softening System Installation Instructions - BY PASS OPTIONS
BY PASS OPTIONS
BY- PASS VALVE KIT WS-500
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1. To install by-pass valve determine which port on
the by-pass valve (Port A or Port B) to plumb the
raw water connection to.
Fig. 3
4. Remove the by-pass valve handle by pulling it
away from the by-pass valve body.
Fig. 1
2. Determine which port on the by-pass valve (Port
C or Port D) to connect the softener.
Fig. 2
3. Verify the by-pass valve is in the by-pass
position. Turn by-pass handle to reveal yellow
by-pass segment.
Fig. 4
5. The five position valve has two installation
configuration options. Photo below shows the
crossover and parallel configurations as the
valve is shipped.
NOTE: When installing the five position valve - be
certain to select the proper mode and install
configuration (parallel or crossover).
F25405 Rev. A (0913) Page 4 of 16
WS-500 Water Softening System Installation Instructions - BY PASS OPTIONS
Fig. 5
6. Locate patch decal provided with by-pass valve
kit.
7. Remove patch decal from paper lining and apply
to body of the by-pass valve based on the specific
installation using BY- PASS VALVE DECAL
TABLE.
NOTE: For use in A-D or B-D configuration, it will be
necessary to cut patch.
Patch Decal
8. Align the handle with the shaft until handle slides
onto shaft. Push down on handle until it snaps
into place.
NOTE: The handle is keyed allowing it to go on the
shaft only one way. Failing to perform above
procedure can result in breaking the shaft inside the
handle. Do not force handle onto shaft.
Fig. 7
NOTE: When installing a plastic component in line, it
is recommended that grounding straps be put in place
before the lines are actually cut to ensure the ground
is never broken.
9. Prepare plumbing by roughing in.
10. Connect the inlet/outlet adapters to the plumbing.
Solder or glue adapters to pipe as applicable.
NOTE: Do not solder adapters while in the by-pass
valve.
NOTE: Care should be taken during the installation
process to assure that solder flux does not come in
contact with the media tanks, the control module, and
related components.
11. After all plumbing is completed and before
connecting any equipment, flush both inlet and
outlet lines by opening the raw water inlet valve
and allowing water to rinse out and debris in the
line.
12. Close the raw water line when complete.
13. Locate from the by-pass kit the two elbows, four
O-rings, two E-Clips and silicone packet.
Page 5 of 16 F25405 Rev. A (0913)
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