Table of Contents
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Check the Bair Paws system website to ensure you have the most recent version of this document.
www.bairpaws.com
reorder #201332B
Bair Paws
®
Model 875
Warming Unit
Service Manual
Warning: Electrical Shock Hazard. There are electrically live parts within the
warming unit when it is connected to a power source, even when the hand-
held temperature controller is in the OFF position.
Please forward to
Biomedical Engineering Department
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Table of Contents
Related Manuals for Bair Paws 875
Summary of Contents for Bair Paws 875
- Page 1 Check the Bair Paws system website to ensure you have the most recent version of this document. www.bairpaws.com reorder #201332B Bair Paws ® Model 875 Warming Unit Service Manual Warning: Electrical Shock Hazard. There are electrically live parts within the warming unit when it is connected to a power source, even when the hand- held temperature controller is in the OFF position.
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Page 2: Table Of Contents
Table of Contents Introduction to the Bair Paws® Patient Adjustable Warming System ����������������������������������������������������������������� 1 Important Information about the Bair Paws Model 875 Warming Unit ���������������������������������������������������������� 2 Indications/Intended Use ������������������������������������������������������������������������������������������������������������������������ 2 Contraindication ������������������������������������������������������������������������������������������������������������������������������������� 2 Warnings ������������������������������������������������������������������������������������������������������������������������������������������������� 2 Cautions �������������������������������������������������������������������������������������������������������������������������������������������������� 3 Notices ���������������������������������������������������������������������������������������������������������������������������������������������������� 3 Proper Use and Maintenance ������������������������������������������������������������������������������������������������������������������... -
Page 3: Introduction To The Bair Paws Patient Adjustable Warming System
® Patient Adjustable Warming System The Bair Paws patient adjustable warming system consists of the Model 875 forced-air warming unit and disposable warming gowns� The Bair Paws Model 875 warming unit can provide comfort warming and prewarming to patients in preoperative settings� In postoperative settings the warming unit can provide comfort warming�... -
Page 4: Important Information About The Bair Paws Model 875 Warming Unit
Important Information about the Bair Paws Model 875 Warming Unit Indications/Intended Use The Model 875 warming unit is indicated for patient warming� This warming unit has been designed for use with the Bair Paws warming gowns in all preoperative and postoperative settings�... -
Page 5: Cautions
Read Before Servicing Unit All repair, calibration, and servicing of the Model 875 warming unit must be performed by qualified, medical equipment service technicians who are familiar with good practice for medical device repair� If the warming unit does not require the manufacturer’s attention, Arizant Healthcare Inc�... -
Page 6: Preparing The Bair Paws Model 875 Warming Unit For Use
Hold the wall-mount bracket in position against the wall� 4� Screw the four provided screws through the wall-mount holes and into the wall anchors� Wall screws Figure 1� Front view of wall-mount bracket� Bair Paws® Model 875 Warming Unit Service Manual... -
Page 7: Placing The Warming Unit On The Wall-Mount Bracket
Placing the Warming Unit on the Wall-mount Bracket 1� Snap the warming unit into position by sliding the clip on the back of the warming unit into the groove of the wall-mount bracket� The assembly will click when the clip is fully seated in the wall-mount bracket�... -
Page 8: Mounting The Warming Unit On An Iv Pole
Mounting the Warming Unit on an IV Pole Caution: To prevent tipping, mount the Model 875 warming unit on an IV pole at a height that ensures stability� We recommend mounting the warming unit no higher than 44 in� (112 cm) from the floor on an IV pole with a minimum wheelbase radius of 14 in� (35�6 cm)�... -
Page 9: Mounting The Warming Unit On A Bedrail
The assembly will click when the clip is fully seated in the rail-mount� 2� Hang the Model 875 warming unit on the bedrail by the hooks on the rail-mount� 3� Wrap the safety strap around the bedrail and connect the end to the fastener on the strap�... -
Page 10: Mounting The Warming Unit With A Rail-Mount To The Wall
Mounting the Warming Unit with a Rail-mount to the Wall Precaution: The rail-to-wall bracket is intended for use only with a Bair Paws 800 series warming unit� Note: A minimum of two wall anchors must be used to secure the rail-to-wall bracket to the wall�... -
Page 11: Using The Hand-Held Temperature Controller
Using the Hand-held Temperature Controller After the hose has been connected to the Bair Paws gown, the patient can adjust the air temperature and airflow by turning the knob on the temperature controller� The following list explains how the unit will operate when the knob is placed in the specified position shown in the figure�... -
Page 12: Service Procedures
Be certain to observe polarity� Arizant Healthcare Inc� assumes no responsibility for the reliability, safety, or performance of the Model 875 warming unit if calibration tests or adjustments are made in any manner other than those described here� Improper measurement or adjustment of the normal operating temperature for the Model 875 unit could result in patient exposure to temperatures outside of the indicated range and may lead to patient injury�... - Page 13 The thermocouple tip should be approximately centered in the cross section of the test kit (see Figure 9)� Grommet Grommet Figure 9� Test kit used to calibrate the Model 875 warming unit� Figure 9� Test kit used to calibrate the Model 875 warming unit� Arizant Healthcare Inc�...
- Page 14 43°C� Wait at least 5 minutes to ensure steady state (43�0±0�5°C)� Figure 10� Calibration access hole to adjust pot� Figure 10� Calibration access hole to adjust pot� 7� Proceed to the next section to test the Over-temperature (OT) circuit� Bair Paws® Model 875 Warming Unit Service Manual...
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Page 15: Testing The Over-Temperature (Ot) Circuit
Perform all over-temperature circuit testing at an ambient temperature similar to the • area where the Model 875 warming unit will be used� The Model 875 warming unit is intended for use in an ambient environment between • 18 and 26°C (65 and 79°F)�... -
Page 16: Replacing The Filter
Note: Verify calibration and test the OT circuit if it has been longer than six months since it was last serviced� Bair Paws® Model 875 Warming Unit Service Manual... -
Page 17: Replacing The Temperature Controller And/Or Hose
Replacing the Temperature Controller and/or Hose Tools/Equipment Needed Small Phillips screwdriver • Medium Phillips screwdriver • Method 1� Disconnect the warming unit from the power source� 2� Remove the two screws that attach the case bottom (dark purple) to the warming unit, and slide the case bottom down the hose�... - Page 18 Secure the wire collar to the mid-hose coupler with two screws� 10� If replacing the hose, transfer the case bottom onto the new hose� 11� Plug the controller wire into the port on the control board� Bair Paws® Model 875 Warming Unit Service Manual...
- Page 19 12� Making sure that the controller wire passes through the clearance slot, insert the end-of- hose coupler into the warming unit (see Figure 15)� Note: Ensure the end-of-hose coupler ridge is seated under the control board� Ridge of end-of-hose coupler Ridge of end-of-hose coupler Clearance Clearance...
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Page 20: Replacing The Power Cord
8� Reconnect the warming unit to the power source and turn the temperature controller on to make sure the warming unit functions properly before returning to service� Bair Paws® Model 875 Warming Unit Service Manual... -
Page 21: Cleaning The Warming Unit
Cleaning the Warming Unit Service Frequency As needed� Tools/Equipment Needed Soft cloth • Mild cleaning solution or antimicrobial spray* • Dry soft cloth • Warning Do not immerse any part of the warming unit in liquid while cleaning it� Moisture will damage the components, and thermal injury may result�... -
Page 22: Technical Support And Customer Service
Paws warming unit� The serial number is located on the back of the unit� Repair and Exchange Call Arizant Healthcare customer service if your Model 875 warming unit requires service� A customer service representative will give you a Return Authorization (RA) number� Please use this RA number on all correspondence concerning your warming unit�... -
Page 23: Bair Paws Warming Unit Limited Warranty
Distributors are not end-users unless they have purchased a unit for their sales representatives’ use� b This limited warranty is valid only for Bair Paws warming units� It does not apply to Bair Paws gowns or accessories or any other product�... -
Page 24: Specifications
Electronically controlled using integrated circuit sensor� Heat Generated 1000 BTU/hr (average) averaGe operatinG temperatures at tHe end oF tHe Hose User adjustable from ambient to 43º±3ºC (109º±5�4ºF) recommended environment temperature ranGe 18º to 26ºC (65º to 79ºF) Bair Paws® Model 875 Warming Unit Service Manual... - Page 25 Safety System Characteristics tHermostat Independent electronic and heater (electromechanical) overcurrent protection Dual input fused lines� saFety Feature Over-temperature protection: color indicator light illuminates, audible alarm sounds, and heater shuts down (blower contin- ues to run)� certiFications IEC 60601-1: UL 60601-1; CAN/CSA-C22�2, No� 601�1; EN 60601-1-2;...
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Page 26: Maintenance Log
Maintenance Log Date Maintenance Action Performed Bair Paws® Model 875 Warming Unit Service Manual... - Page 27 Maintenance Log Date Maintenance Action Performed Arizant Healthcare Inc�...
- Page 28 Maintenance Log Date Maintenance Action Performed Bair Paws® Model 875 Warming Unit Service Manual...
- Page 29 Maintenance Log Date Maintenance Action Performed Arizant Healthcare Inc�...
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Page 30: Definition Of Symbols
Definition of Symbols The following symbols may appear on the product, on the exterior packaging, or in the product labeling� Increase temperature and airflow Increase temperature and airflow Type B equipment Type B equipment Bair Paws® Model 875 Warming Unit Service Manual... - Page 32 Device Directive: 93/42/EEC): Arizant UK Ltd�, Calder Island Way, Wakefield, WF2 7AW TEL (44) 1924 200550 • FAX (44) 1924 20051 Bair Hugger, Bair Paws, Arizant, Arizant Healthcare, bright ideas that work, and the Bair Paws and Arizant logos are trademarks of Arizant Healthcare Inc�, registered or pending in the U�S�...
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