Bair Hugger Security Systems Service Manual download pdf (Page 24)

Bair Hugger Model 505 Service Manual

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Normal Operating Temperature Adjustment

3. Insert the slotted screwdriver in the potentiometer access

hole. You must access the potentiometer blindly, so carefully

move the screwdriver until it fits into the slot of the

potentiometer.

• Ifthetestedoperatingtemperaturewasbelow specified

limits, turn the screwdriver CLOCKWISE to increase

the operating temperature.

• Ifthetestedoperatingtemperaturewasabove specified

limits, turn the screwdriver COUNTERCLOCKWISE

to lower the operating temperature.

4. Adjust the potentiometer until the temperature read-out

meets the limits specified in Table 2 for the HIGH

temperature setting (correlated to ambient temperature as in

Figure 8).

5. Verify that the MED and then LOW temperature settings

are also within specified limits. If the HIGH range is

properly set, and MED and/or LOW do not meet specs, call

Technical Service.

6. Place the warming unit in Standby and remove the hose

from the port on the Temperature Test Unit.

7. Record the maintenance action taken and hours of operation

(read from the hour meter) in the Maintenance Log section.

Figure 9. Location of

Operating Temperature

Adjustment Potentiometer

Operating temperature

potentiometer access

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Bair Hugger Security Systems Service Manual Page 24