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INSTALLATION, OPERATION & MAINTENANCE MANUAL 8194
OPERATION AND MAINTENANCE
IMPORTANT: Owner/ Installer is responsible for checking applicable state and local codes to ensure that the Backflow Preventer
is installed in compliance. This includes testing requirements and proper installation height above the ground. Thermostatic
Mixing Valve is factory pre-set at 77 F. Verify requirements before altering temperature settings since they may affect patient
health and safety. Thoroughly test outlet water temperature.
Operation
Thermostatic mixing valve is preset to 77 F and must be open and connected
Ÿ
to supply and drainage hoses. If required, adjust the thermostatic mixing valve
(3) to preferred temperature. See parts breakdown for instructions.
The supply shut-off ball valves (2) is normally open. This valve is intended to
Ÿ
isolate the system for routine maintenance to the trap primer and backflow
prevention device.
Ÿ The first ball valve on the backflow preventer (9) is normally open. This valve
is used for isolation during testing and certification of the backflow preventer.
Ÿ The second ball valve on the backflow preventer (10) is the on/off valve. This
valve must be open during dialysis service and then closed prior to removal of
the supply hose to the dialysis machine.
Ÿ Ensure you have a proper connection from the dialysis machine supply hose
and the male hose thread connection on the 8194, prior to opening the second
valve on the backflow preventer.
Ÿ Fold the drip tray (7) down to help eliminate any spills onto cabinetry or
finished surfaces from the dialysis machine discharge line. Fold the drip tray to
the vertical position prior to closing the access door.
Ÿ The dialysis machine discharge hose should be placed in the supplied hose
bracket (8) to maintain the proper air gap from sanitary drain.
Maintenance
Backflow Preventer
Ÿ This product must be tested and certified prior to service. Certification must
be done after final connection and prior to service.
Ÿ This product must be tested and certified periodically in compliance with local
codes, but at least once per year or more as service conditions warrant.
Ÿ Refer to WATTS 009QT 1/2" BRONZE REDUCED PRESSURE ZONE
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manual for all testing and maintenance guides. (
Trap Primer (optional)
Ÿ This product may need regular cleaning, maintenance or replacement of
the screen due to sediment buildup.
Ÿ Refer to JAY R. SMITH MFG. CO. FIGURE NO. 2694 trouble shooting
and maintenance guides. (
Shut-Off Ball Valve
Ÿ Exercise this valve regularly to eliminate the valve from locking in position
due to corrosion or hardness of the water supply.
Cleaning
Use only cleaning agents intended for metals such as stainless steel, copper
and brass. Do not use any cleaning agents that may cause and allergic
reaction to these metals. Warranty will not cover any deterioration of the
products do to neglectful cleaning processes.
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WHITEHALL MANUFACTURING • P .O. BOX 3527 • City of Industry, CA 91744-0527 U.S.A
Phone (800) 782-7706 • (626) 968-6681 • Fax (626) 855-4862 • Web: www.whitehallmfg.com
https://www.watts.com
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https://www.jrsmith.com
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1
4
9
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Parts List
1/2" NCT SUPPLY INLETS
1.
(CAPPED FOR SHIPPING)
2.
SUPPLY SHUT-OFF BALL VALVES
THERMOSTATIC MIXING VALVE
3.
4.
TRAP PRIMER
TRAP PRIMER OUTLET
5.
3/4" MALE HOSE CONNECTION
6.
(SHOWN CAPPED)
7. FOLD-DOWN DRIP TRAY
DISCHARGE HOSE BRACKET
8.
9.
FIRST BACKFLOW PREVENTER VALVE
10.
SECOND BACKFLOW PREVENTER VALVE
11.
2-3/8" O.D. WASTE CONNECTION
12.
TEMPERATURE GAUGE
13.
(4) MOUNTING TABS
14.
BACKFLOW PREVENTER
12
14
11
8
1
2
13
3
6
10
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