Table of Contents
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Owner's Operator and Maintenance Manual
MA90Z Alternating Rotation
with On Demand True Low
MA95Z Alternating Rotation
and True Low Air Loss System
DEALER: This manual MUST be given to
the user of the product.
USER: BEFORE using this product, read this
manual and save for future reference.
For more information regarding
Invacare products, parts, and services,
please visit www.invacare.com
MA90 Series
Air Loss System
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Table of Contents
Troubleshooting
Related Manuals for Invacare microAIR MA90 Series
Summary of Contents for Invacare microAIR MA90 Series
- Page 1 True Low Air Loss System DEALER: This manual MUST be given to the user of the product. USER: BEFORE using this product, read this manual and save for future reference. For more information regarding Invacare products, parts, and services, please visit www.invacare.com...
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Page 2: Special Notes
ACCESSORIES WARNING Invacare products are specifically designed and manufactured for use in conjunction with Invacare accessories. Accessories designed by other manufacturers have not been tested by Invacare and are not recommended for use with Invacare products. SPECIAL NOTES Signal words are used in this manual and apply to hazards or unsafe practices which could result in personal injury or property damage. Refer to the table below for ... -
Page 3: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS SPECIAL NOTES ................2 REGISTER YOUR PRODUCT ............... 4 TYPICAL PRODUCT PARAMETERS ............ 5 Electrical Parameters..........................5 Performance Parameters........................5 Mechanical Parameters .........................6 Environmental Parameters........................6 LABEL LOCATION ................7 SECTION 1—GENERAL GUIDELINES ........... 8 Contraindications ............................8 Installation ..............................8 Entrapment May Occur..........................8 Fire Hazard..............................9... -
Page 4: Register Your Product
Register ONLINE at warranty.invacare.com Please have your model number and purchase date available to complete your registration. Any registration information you submit will only be used by Invacare Corporation and protected as required by applicable laws and regulations. MA90 Series... -
Page 5: Typical Product Parameters
TYPICAL PRODUCT PARAMETERS TYPICAL PRODUCT PARAMETERS Electrical Parameters MA90Z MA95Z INPUT VOLTAGE AC: 90 V INPUT FREQUENCY: 60 Hz CURRENT: MAXIMUM POWER CONSUMPTION: 30 ± 10 W 150 ± 10 W CIRCUIT PROTECTION: Dual fused, Dual fused, 250 V, 250 V, 1 A fast blow fuses 5 A fast blow fuses MODE OF OPERATION:... -
Page 6: Mechanical Parameters
TYPICAL PRODUCT PARAMETERS Mechanical Parameters MA90Z MA95Z CONTROL UNIT DIMENSIONS (L X W X H): 15” x 6½” x 11” CONTROL UNIT WEIGHT: 15 lbs CONTROL UNIT POWER CORD: 10 - 14 Feet Long, Hospital Grade CONTROL UNIT CONNECTION: Quad Flow - Four ¼” Triple Flow - Two ½”... -
Page 7: Label Location
MUST fit bed frame and side rails snugly to prevent patient entrapment. Follow the manufacturer’s instructions. Monitor patient frequently. Read and understand the Owner’s/Operator’s Manual prior to using this equipment. Invacare product manuals are available at www.invacare.com or your dealer. Label part number 1150708 Rev A NOTE: This label is on the foot end of ... -
Page 8: Section 1-General Guidelines
Visit the FDA website at http://www.fda.gov to learn about the risks of entrapment. Review “A Guide to Bed Safety”, published by the Hospital Bed Safety Workgroup, located at www.invacare.com. Use the link located under each bed rail product entry to access this bed safety guide. -
Page 9: Fire Hazard
SECTION 1—GENERAL GUIDELINES Fire Hazard DANGER Smoking DO NOT SMOKE while using this device. This system uses room air for circulation through the mattress. A cigarette can burn a hole in the bed surface and cause damage to the mattress. Also, patient clothing, bed sheets, etc. may be combustible and cause a fire. -
Page 10: Section 2-Operation
SECTION 2—OPERATION SECTION 2—OPERATION CAUTION The control unit and mattress on the MA90Z series are designed to be used as a system. DO NOT replace mattresses or control units with other models or other brands. Otherwise, damage to the system may occur. Contact your supplier to get the correct replacement if needed. -
Page 11: Installing The Side Rails
Follow the manufacturer’s instructions. Monitor patient frequently. Read and understand the Owner’s/Operator’s Manual prior to using this equipment. Invacare product manuals are available at www.invacare.com or your dealer. NOTE: Refer to the instructions provided with the side rails for the installation procedure. -
Page 12: Connecting The Hose
SECTION 2—OPERATION Connecting the Hose CAUTION Ensure that the hose connecting the control unit to the mattress is routed such that it cannot be stepped on, kinked, squeezed or otherwise damaged. NOTE: For this procedure, refer to FIGURE 2.3. 1. Locate the hose at the foot end of the mattress. 2. Locate the control unit connector on the right side of the control unit. 3. Perform one of the following: • MA90Z ‐ Perform the following steps (Detail “A”): i. -
Page 13: Connecting The Power Cord
SECTION 2—OPERATION Control Unit DETAIL “B” - MA95Z CONNECTOR Control Unit Connectors Connector Cover DETAIL “A” - MA90Z CONNECTOR MA95Z Hose Connector MA90Z Hose Connector FIGURE 2.3 Connecting the Hose Connecting the Power Cord WARNING DO NOT alter plug to fit a non-conforming outlet. Instead, have an electrician install a properly grounded outlet. -
Page 14: Using The Front Panel
SECTION 2—OPERATION Using the Front Panel NOTE: For this procedure, refer to FIGURE 2.4. DETAIL “A” - MA90Z FRONT PANEL Low Pressure Turn Angle Power Power Button Button Fail LED Lock/Alarm Turn Button Mode (Max Button Soft Button Inflate/Low Air Firm Button Turn Time Button Loss) Button DETAIL “B”... -
Page 15: Turn Button (Ma90Z)
SECTION 2—OPERATION Turn Button (MA90Z) 1. Press the Turn button ( ) to select one of three rotation modes or to set the unit to No Turn (Static) mode. NOTE: The rotation modes are right, left or both and all three modes include alternating pressure therapy. NOTE: When No Turn is selected, all of the air cushions are maintained at a constant pressure. Turn Time Button (MA90Z) 1. Press the Turn Time button ( ) to select one of four rotation times. NOTE: The rotation times are 10, 20, 30 and 60 minutes. Turn Angle Button (MA90Z) 1. Press the Turn Angle button ( ) to select one of four rotation angles. NOTE: The rotation angles are ¼, ½, ¾ and full rotation (45°). Rotation Button (MA95Z) 1. Press the Rotation button ( ) to select Static mode or Alternating Rotation mode. NOTE: When the LED is on, Alternating Rotation mode has been selected. NOTE: In Static mode, the LED is off and all air cushions are maintained at a constant pressure. Select Button (MA95Z) 1. Press the Select button ( )to move the pointer on the LCD to Function. ... -
Page 16: Hold Button (Ma95Z)
SECTION 2—OPERATION FUNCTION DESCRIPTION PULSE Pulse mode. The pulse time indicates the time between pulses. For example, 5 minutes is selected. In this example, all of the air cushions in the mattress will deflate for 4 seconds and inflate for 5 minutes (the selected time). -
Page 17: Programming The Automatic Wireless Fowler Transmitter
SECTION 2—OPERATION Programming the Automatic Wireless Fowler Transmitter 1. Ensure the transmitter is inside the mattress pocket located on the right side of the mattress at the head end. 2. Ensure the mattress is in a flat position. 3. Ensure the control unit is plugged in, and the LCD displays STAND BY. 4. Perform one of the following: • MA90Z ‐ Perform the following steps: i. Press and hold the Turn Angle and Max Inflate buttons. NOTE: The Fowler LED is lit and L displays in the LCD Display. ii. Raise the bed to 45°. NOTE: The control unit will beep and will return to Standby. iii. Perform one of the following: • Cancel ‐ Press the Turn Angle button to exit Fowler Transmitter Setup without linking to a transmitter. • Save ‐ Wait 60 seconds without pressing a key. • MA95Z ‐ Perform the following steps: i. Press and hold the Hold and Max Inflate buttons. ii. AUTO FOWLER LEARN MODE will display. iii. PLACE BED IN FLAT POSITION will display. iv. -
Page 18: Mode Button (Ma90Z)
SECTION 2—OPERATION Mode Button (MA90Z) 1. Press the Mode button ( ) to select the Max Inflate Mode or the Low Air Loss mode. • Max Inflate Mode ‐ In this mode, the mattress inflates rapidly to maximum firmness (pressurized to 35 ± 6 mmHg). A series of beeps sound every three minutes as a reminder that the Max Inflate mode is active. After 30 minutes, the Max Inflate mode deactivates and the control unit defaults to the previous setting. NOTE: It takes 5‐10 minutes for the MA90Z mattress to inflate fully (inflation time depends on size of mattress). NOTE: Max Inflate mode can be manually disengaged by pressing the Max Inflate button. This will deactivate the Max Inflate LED. NOTE: It is recommended that Max Inflate setting be used during patient ingress/egress, patient wound care, patient turning or patient cleaning. • Low Air Loss Mode ‐ In this mode, the mattress goes into on‐demand low air loss relief mode. Max Inflate Button (MA95Z) 1. Press the Max Inflate button ( ) to select the max inflate mode and inflate the mattress rapidly to maximum firmness (pressurized to 35 ± 6 mmHg). A series of beeps sound every three minutes as a reminder that the Max Inflate mode is active. After 30 minutes, the Max Inflate mode deactivates and the control unit defaults to the previous setting. NOTE: It takes 25‐60 seconds for the MA95Z mattress to inflate fully (inflation time depends on size of mattress). NOTE: It is recommended that Max Inflate setting be used during patient ingress/egress, patient wound care, patient turning or patient cleaning. 2. Perform one of the following: • MA90Z ‐ Press the Max Inflate button again to manually disengage Max Inflate mode. ... -
Page 19: Lock/Alarm Silence Button
SECTION 2—OPERATION Lock/Alarm Silence Button 1. Press the Lock/Alarm Silence button ( ) to select one of the following modes: • Lock Mode ‐ Pressing this button locks out all control unit functions, including the On button, to prevent any tampering with the settings. Press the button for approximately 3‐5 seconds for the Lock LED to activate. NOTE: The Lock LED illuminates when in this mode. • Alarm Silence mode ‐ Pressing this button silences the alarm that sounds in the event of power failure or when the hose is disconnected from the control unit. NOTE: The Alarm LED illuminates when in this mode. Power Fail LED In the event of power outage, an alarm sounds and the Power Fail LED flashes AMBER. The control unit has internal memory and retains the previous settings during the power outage. NOTE: During a power outage, the MA90Z mattress retains the air as long as the mattress is connected to the control unit. Low Pressure LED In the event that the mattress hose disconnects, an alarm sounds and Low Pressure LED flashes AMBER. Once the low pressure problem is fixed, the control unit resumes operation in the previously set mode. Displaying the Total Run Time (MA95Z) Every time the control unit is plugged in, the LCD screen displays the Run Time in hours and minutes. For example, 2,584 hours and 25 minutes displays as 002584 Hours 000025 Minutes. To display the Run Time during use: 1. -
Page 20: Placing The Patient On The Mattress
SECTION 2—OPERATION Placing the Patient on the Mattress 1. Press the Mode button or Max Inflate button to turn on the control unit to maximum flow. NOTE: In this mode, the Max Inflate LED lights up. 2. After the mattress is fully inflated, place the patient on the bed. 3. Ensure that the patient’s feet are towards the foot end of the mattress (the end with the hose). 4. Center the patient on the bed from side‐to‐side and head‐to‐foot. NOTE: Special positioning may be required with contracted patients to provide comfortable positions. 5. After placing the patient, make certain no objects will fall under the patient, such as feeding tubes, IVʹs etc. 6. Wait five minutes for the mattress pressure to stabilize. 7. Set the comfort pressure to the desired comfort level. 8. Verify that the patient has not bottomed out by performing the following steps: A. Ensure that the patient is lying flat on his/her back in the middle of the mattress. B. Place four fingers between the air cushions directly underneath the sacral region of the patient’s body. C. Ensure that there is 3 to 4‐finger width clearance between the bottom of the patient and the bed frame. D. Adjust the comfort setting, if needed. E. -
Page 21: Transferring Patient From/To A Wheelchair
SECTION 2—OPERATION 4. Raise or lower the bed to match the gurney height. Refer to the owner’s manual provided with the bed. 5. When the mattress has reached maximum firmness, perform one of the following: • Bed to Gurney Transfer ‐ Slide the patient onto the gurney. • Gurney to Bed Transfer ‐ Slide the patient onto the bed. Transferring Patient From/To a Wheelchair WARNING ALWAYS engage the wheel locks of the bed and the wheel locks of the wheelchair before transferring the patient between the bed and the wheelchair. 1. - Page 22 SECTION 2—OPERATION DETAIL “A” Connector Cover Control Unit Connectors Control Unit DETAIL “B” DETAIL “C” MA90Z Hose MA95Z Hose Connector Connector DETAIL “D” Mattress RED CPR Connector (MA90Z Only) FIGURE 2.5 Preparing for CPR Procedure MA90 Series Part No 1148139...
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Page 23: Section 3-Maintenance And Troubleshooting
SECTION 3—MAINTENANCE AND TROUBLESHOOTING SECTION 3—MAINTENANCE AND TROUBLESHOOTING Cleaning the System WARNING Before cleaning or disassembling the MA90 series, check the underside of the mattress folds for sharp objects such as scissors, needles, etc. These objects should be removed and discarded before proceeding with further cleaning or disassembly; otherwise injury or damage to the product may occur. -
Page 24: Storing The System
Laundry workers should always wash their hands before working with clean bedding. DO NOT overload the machine. DO NOT use chlorine bleach because it may damage the fabric coating. High air temperatures will damage the fabrics and void the Invacare warranty. i. Place the cover in a washing machine. ii. Wash with warm water (below 120°F). iii. Add detergent and disinfectant according to the manufacturer’s instructions. -
Page 25: Changing The Filter
SECTION 3—MAINTENANCE AND TROUBLESHOOTING Changing the Filter NOTE: For this procedure, refer to FIGURE 3.1 on page 25. Clean the filter every 5 months or whenever it is dirty. 1. Remove the two screws securing the filter cover to the back of the control unit. 2. Remove the filter. 3. Wash the filter with water and a mild detergent. 4. Dry the filter completely. 5. Install the filter into the back of the control unit. 6. Secure the filter cover to the back of the control unit using the two screws. Filter Cover Screws FIGURE 3.1 Changing the Filter Troubleshooting PROBLEM CAUSE SOLUTION Mattress not inflating Mattress hose disconnected Connect hose connectors and lock Not alternating properly them in place... - Page 26 SECTION 3—MAINTENANCE AND TROUBLESHOOTING PROBLEM CAUSE SOLUTION No power Control unit off Check power source and turn on unit Power cord disconnected Connect power cord to the power source No power in the power source Check power source has power power and turn it On Power outage Wait till the power source has...
- Page 27 SECTION 3—MAINTENANCE AND TROUBLESHOOTING NOTES Part No 1148139 MA90 Series...
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Page 28: Limited Warranty
This warranty is extended only to the original purchaser who purchases this product when new and unused from Invacare or a dealer. This warranty is not extended to any other person or entity and is not transferable or assignable to any subsequent purchaser or owner. Coverage under this warranty will end upon any such subsequent sale or other transfer of title to any other person.