Service manual

English 202430A

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Bair Hugger

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Normal Operating Temperature Adjustment

WARNING: Improper adjustment of the warming unit’s normal

operating temperature could result in patient exposure to

temperatures outside of the indicated range, and may lead to

patient injury.

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

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

output temperatures.

• AlwaysmakeadjustmentsrelativetotheHIGHtemperature

setting on the warming unit. When the HIGH setting is

accurately adjusted, the MED and LOW settings should also be

within specified limits. If the HIGH range is properly set, and

MED and/or LOW do not meet specs, call Technical Service.

• 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TechnicalServiceforassistancein

temperature adjustment.

Tools/Equipment

Temperature Test Unit Model 22110

Small slotted screwdriver

Method

The operating temperature adjustment potentiometer may be

accessed through openings in the upper right corner of the

rear access panel (see Figure 9).

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. Turn the warming unit power ON, and allow it to operate

at HIGH for about 3 to 5 minutes before adjusting the

potentiometer.