Bair Hugger Security Systems Service Manual download pdf (Page 12)

Bair Hugger Model 775 Temperature Management Unit Service Manual

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Operating Modes

e Model 775 temperature management unit has 4 operating modes: Ambient, 32°C, 38°C, 43°C�

To select the 32°C, 38°C, 43°C, or Ambient mode, press the corresponding button� e temperature

management unit will operate within the specied temperature range, shown in the table below�

Temperature Mode Temperature of Delivered Air

32°C 32°C ± 1�5°C

38°C 38°C ± 1�5°C

43°C 43°C ± 1�5°C

Ambient Unit will supply air that is slightly warmer than room-temperature

Aer you select a temperature mode, the following events occur:

• Corresponding indicator light illuminates�

• Blower operates�

• Heater activates except in Ambient mode�

• Temperature mode timer and hour meter activate�

• Temperature at the blanket-end of the hose appears in the alphanumeric display�

• Temp in Range indicator light illuminates when the temperature at the blanket end of the hose is

within ±1�5°C of the selected setting; this indicator light does not illuminate in the Ambient mode�

Airflow Modes

e Model 775 has two preset fan speed settings: a default or high fan setting ( )and a reduced or low

fan setting ( )� e Model 775 will reset/default to the high fan setting each time the unit is powered up

or Standby is selected� e low fan setting ( ) may be pre-selected while in Standby prior to selecting the

desired temperature�

Standby Mode

To place the unit in Standby mode, press the Standby button� When in Standby mode, the following events

occur:

• Standby indicator light illuminates�

• Blower and heater turn o�

• Alphanumeric display deactivates�

• Temperature mode timer pauses�

• Alarm and fault detection functions remain active�

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Bair Hugger Security Systems Service Manual Page 12