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[Pressure] HEALTHDYNE TRANQUILITY PLUS 7100
#1
HEALTHDYNE TRANQUILITY PLUS 7100
HI FOLKS! I WOULD APPRECIATE ANY SPECIFIC INSTRUCTIONS AS TO HOW TO ADJUST THE PRESSURE ON MY HEALTHDYNE TRANQUILITY PLUS MODEL (7100 OR 7300). THANKS!
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#2
RE: HEALTHDYNE TRANQUILITY PLUS 7100
Hi bunyan - Welcome
You have a real antique there, circa 1990's.
I did some searching and found this information, listed below.  I hope it may help.

By the way, the Smithsonian called, they want their machine back. Big Grin

From the "Service Manual":

RAMP:
Minimum Ramp Pressure............. 3.0 - 20.0 cm H2O
Ramp Resolution.............................. 1.0 cm H2O
Ramp Time ....................................... 0 - 30 minutes
Ramp Time Resolution ................... 5 minute increments

PRESSURE:
CPAP Pressure ....................................... 3.0 – 20.0 cm H2O
Accuracy, Static ...................................... +1.0 cm H2O for flows between -60 to + 120 L/min.
Accuracy, Dynamic ............................... + 1.5 cm H2O for flows between -60 to + 120 L/min.

Chapter 4: System Setup Procedures
NOTE: This section provides directions for accessing the Therapy adjustments. (To prevent patients from tampering with the settings, the directions to access this should not be revealed to the patient.)
CAUTION: If the Tranquility Quest CPAP System has been exposed to either very hot or very cold temperatures, allow it to adjust to room temperature (approximately one hour) before beginning setup.
4.1 Pressure and Ramp Setup
The pressure and ramp settings for the unit are set by adjusting the appropriate potentiometer located in the rear of the unit.
1. Remove the pressure and ramp control cover by loosening the screw and turning the “D” washer on the left rear bottom corner of the unit. (See figure 10, pg 24)
2. Once the “D” washer has been rotated to provide an opening, slide the door down in the slot and remove it from the bottom
3. With an appropriate test circuit (patient tubing, pressure pick off port, occluded outlet, manometer) connected to the outlet of the unit, apply power to the unit and switch it on.
4. The pressure can now be read on the manometer.
5. By using a small slotted screwdriver, turn the pressure adjustment screw in the desired direction. Clockwise to increase and counterclockwise to decrease.
6. The ramp is set by using a small slotted screwdriver. The duration for each of the settings is listed on the label below the control.
7. Once the pressure and ramp settings have been made, the control cover should be replaced. Slide the cover into the slot in the bottom of the unit and secure it by rotating the “D” washer to block the opening and tighten the screw.

Chapter 5: Routine Maintenance
5.1 Cleaning the System
WARNING: To avoid electrical shock, disconnect the electrical supply before attempting to clean the Tranquility Quest .
DO NOT immerse the unit in water or allow any liquid to enter the cabinet or the filter intake.
Wipe the outside of the unit with a cloth slightly dampened with water and a mild detergent. Let the unit dry before reconnecting the electrical supply.
5.2 Cleaning / Replacing the Intake Filters
The gray pollen filter is a reusable filter that screens out pollens and some household dust. This filter should be cleaned at least once every two weeks under normal usage, or as required, and replaced with a new one every six months. The pollen filter must be in place at all times when the unit is operating.
The disposable white ultra-fine filter increases filtration of pollens, dust, some tobacco smoke, and small particles. The ultra-fine filter is optional (p/n 7302) and may be used in addition to the pollen filter. The ultra-fine filter should never be used without the pollen filter. Replace the ultra-fine filter after 30 nights of use or sooner if it appears dirty. DO NOT clean the ultra-fine filter.
CAUTION: Failure to replace a dirty filter may cause the device to operate at higher then normal temperatures and
damage the device.
CAUTION: The pollen filter must be completely dry before use. Never place a wet filter into the device.
Respironics recommends that you clean the filter in the morning and alternate using the two pollen filters provided with the system to ensure enough drying time for the cleaned filter.
Crimson Nape
Apnea Board Moderator
www.ApneaBoard.com
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