Atom Medical Corporation V-2200, Service Manual And Replacement Parts

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6-2. Description of Functions (Description of Components)
*This section includes references to a unit equipped with the oxygen controller and/or the weight
monitor. If your unit is not equipped with these functions, skip over such references.
*For the details of parts arrangement and the shapes of parts, see
“
7-3. Disassembling Procedure
” and
“
10. Parts List
”.
Relay box
Name Function
Main Board
● Control of temperature
measurement of the incubator air temperature and the skin
temperature, changing over of the control mode, detection of
switches, control of the main heater, output of display data, decision
on whether to give an alarm, memorization of settings
● Control of humidity
measurement of relative humidity, detection of switches, control of
the humidification heater, measurement of the water temperature
and the water level in the humidity chamber, output of display data,
decision on whether to give an alarm
● Control of oxygen
measurement of oxygen, detection of switches, control of the oxygen
controller, changing over of the solenoid valve for air pressure, output
of display data, decision on whether to give an alarm, memorization
of settings
● Control of pulse oximeter
acquisition of SpO
2
and pulse rate data from the SpO
2
module,
detection of switches, output of display data, decision on whether to
give an alarm, memorization of settings
● Control of alarm silence
detection of switches, output of display data, control of the audible
alarm
● Decision on whether to give a power failure alarm and a system failure
alarm
● Output of an audible alarm in an alarm condition
● Decision on the condition of parts
presence or absence of the humidity chamber, opening or closing of
the front door, presence or absence of the top board, presence or
absence of the casing (the fan cover), presence or absence and
revolution of the fan
SpO
2
Module
● Calculation of SpO
2
and pulse rate from signals from a pulse oximetry
sensor
● Detection of presence or absence of a pulse oximetry sensor
Insulation Board
● Power source for driving the SpO
2
module
● Relay of SpO
2
and pulse rate data from the SpO
2
module to the main
board
Monitor Relay Board
● Relay and output of display data from the main board and the scales
board to the display section
● Relay and supply of power from the scales board to the display section
● Relay and output of an audible alarm from the main board to the
speaker of the panel
● Relay and output of an operation sound from the scales board to the
speaker of the display section
● Resetting the operating time of the incubator on the maintenance screen
(SW1: Operating time counter reset switch)