Service manual

English 202430A

Check the 3M

Bair Hugger

therapy website to ensure you have the most recent version of this document. www.bairhugger.com reorder #202430A

Over Heat Alarm Thermostat Adjustment

WARNING: Improper adjustment of the warming unit’s over heat

alarm setpoint could result in patient exposure to temperatures

outside of the indicated range, and may lead to patient injury.

• Closelyfollowinstructionsforthermostatadjustment.

• Dangerous voltages are present at the terminals of the

thermostat.

• AlwaysuseaTemperatureTestUnitModel22110toverify

output temperatures.

• TheTemperatureTestUnitModel22110doesnotneedtobe

calibrated. The meter it is connected to must be calibrated.

Follow the calibration instructions in the meter service manual or

follow standard facility calibration schedules.

• Whenindoubt,contact3MPatientWarmingTechnicalSupport

for assistance in temperature adjustment.

Tools/Equipment

• TemperatureTestKitModel22110

• Smallslottedscrewdriver

• Phillips-headscrewdriver

Method

1. Insert the open hose end from the warming unit in the port

on the temperature test device.

NOTE: Do not block the rear air vents on the test device.

2. Connect the warming unit to the power source and turn the

warming unit power ON.

NOTE: The temperature setting will not affect the over heat

adjustment.

3. Using the Phillips-head screwdriver, remove the screw on

the alarm test panel. Lift and remove the panel.