Calibrating the Disinfectant Flowmeter
Maintenance Instructions
For Invacare Continuing Care Group Tubs
SAVE THESE INSTRUCTIONS
ꢀ WARNING
DO NOT use this product or any available optional equipment without first completely reading and understanding
these instructions and any additional instructional material such as owner’s manuals, service manuals or instruction
sheets supplied with this product or optional equipment. If you are unable to understand the warnings, cautions or
instructions, contact a healthcare professional, dealer or technical personnel before attempting to use this
equipment - otherwise, injury or damage may occur.
The disinfectant dispensing system has been factory tested and calibrated for use with Invacare disinfectant. The use
of any disinfectant with a dilution ratio (½ oz per gallon) or viscosity level different than that of Invacare disinfectant
will result in an improper mixture of disinfectant and water. This may cause your system to be improperly
disinfected - or in some instances, not disinfected at all. If using any disinfectant with a dilution ratio or viscosity level
different than that of Invacare disinfectant or if switching from one type of disinfectant to another type, the
disinfectant flowmeter MUST be calibrated using this procedure before disinfecting the tub.
This procedure should only be attempted by qualified maintenance personnel. Failure to heed these precautions
could result in injury to the tub operator or resident.
ALWAYS wear rubber gloves, an apron and face shield protection during disinfecting, cleaning and rinsing
procedures. In case of eye or skin contact, follow procedures on disinfectant container.
CAUTION
NEVER use abrasive cleaners like scouring powder or liquid cleaners containing pumice stone. The use of these
types of cleaners will make the gel-coat finish of your tub scratched and dull. NEVER use cleaners containing iodine,
bromine, Betadine® or methylene blue. The use of these types of cleaners will cause the tub to stain. Never use
cleaners containing bleach. Use of these types of cleaners will dry out the rubber seals and gaskets and the tub will
not function properly.
NOTE: For this procedure, refer to FIGURE 1 on page 2.
NOTE: Equipment needed:
•
•
•
Bucket or Pail, at least one gallon
Graduated plastic bottle, at least 16 ounces
Felt Tip Pen
1. Open the whirlpool aerator by rotating two turns counterclockwise.
2. If the tub is equipped with a disinfectant wand, hold the wand over the interior of the tub.
3. Pour exactly one gallon of water into the bucket/pail.
4. Mark the bucket/pail at the gallon level using the felt tip pen.
5. Empty the bucket/pail.
6. Pour a whole number of ounces of disinfectant into the graduated plastic bottle.
NOTE: For example, pour 2 or 3 ounces, but not 2½ ounces, otherwise the results will be skewed.
NOTE: DO NOT use water instead of disinfectant. This would cause a false reading.
7. Note the number of ounces in the graduated plastic bottle.
8. Open the service access cabinet door.
9. Insert the disinfectant draw tube into the graduated plastic bottle.
10. Turn the black knob on the flow meter valve five turns counterclockwise to open the metering valve.
11. Close all jets by pushing the center of each jet in or turning the center of the jet clockwise.
12. Close the whirlpool inlet by pulling the inlet plug out.
13. Turn the disinfectant valve to the On position.
NOTE: Liquid will be heard filling the interior plumbing of the tub.
14. Note the position of the floating ball in the flow meter.
Part No 1154272
1
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