HD453 GB Issue 08
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6.3
Press the start button .
The green indicator lamp will illuminate to show the heating control system is now active.
The incubation temperature alarm will sound momentarily with a pulsed tone to show the alarm
sounder is functioning correctly.
After briefly showing the software version screen the display will revert to normal operation and
show the current temperature and humidity in the cabinet.
6.4
Test the power failure and fan function alarm by pressing the alarm test button .
The alarm must sound in a continuous tone.
The green heater control indicator lamp must go off.
The red alarm indicator lamp must illuminate.
Open the door and confirm the fan is now blowing air that is getting cooler (the heating element is
switched off).
6.5
Press the alarm silence button for at least 2 seconds .
6.6
Close the door and press the start button
to reset the alarm and switch the heating control back
on.
6.7
Check the set temperature is appropriate for the patient and circumstance (see section 7). Allow
the appliance to run for at least 20 minutes to stabilise the temperature before introducing animals
or starting oxygen supply. The unit is now ready for use.
See section 11 for further checks when using the unit for administration of oxygen.
If any stage of the Start-Up Check results in a failed test or inspection do not use. Seek advice
from Brinsea Products.
The following part of this section describes the digital display modes and alarm system.
6.8
CHANGING SETTINGS
– The Main Menu allows the various settings to be modified and saved. All
changes are retained in the event of a power cut.
To access the Main Menu press the
and buttons simultaneously to unlock the display. For full
details of menu settings please refer to the guide on page 12.
6.9
NORMAL OPERATION
– Temperature and Relative Humidity are continuously displayed. The
green heater control indicator is illuminated.
6.10 The asterisk
“*” adjacent to the temperature reading shows when the heater power is on. When
warming the asterisk will be continuously on, once warmed up the asterisk will slowly flash as the
heater is pulsed to maintain the correct temperature. When reducing the temperature setting the
asterisk may go off, this is normal.
The asterisk
“*” adjacent to the relative humidity display is only on when the pump control output is
on (see section 8) and is only applicable when using the optional Brinsea Advance Humidity Pump.