OM0123 Page 26 of 68
Rev 15
8.5 US Autoflow Rear Panel
The US Autoflow rear control panel contains the following functions described in detail.
(See Drawing BCD-07347)
8.5.1 Power Cord
The power cord is an 8-foot (2 m) in length, type "SVT" molded plug, allowing for long life and easy
clean ability.
8.5.2 Circuit Breaker
All control electronics are protected with a circuit breaker that will trip at 145% of load rating in less
than 2 seconds. Should the circuit breaker open (pop-out button will appear), merely depress to reset.
8.5.3 CO
2
Inlet
The CO
2
inlets provide a fitting for clear vinyl tubing. Be sure to follow the recommended inlet pressure
to insure proper flow rates and consistent CO
2
percentage readings.
8.5.4 N
2
Inlet (NU-4950)
The N
2
inlets provide a fitting for clear vinyl tubing. Be sure to follow the recommended inlet pressure
to insure proper flow rates and consistent N
2
percentage readings.
8.5.5 Air Inlet
The Incubator is provided with clear vinyl tubing and 0.3 micron HEPA filter.
This is a free air supply, DO NOT CONNECT with pressurized source.
8.5.6 RS-232 Communication Interface (Option)
The Incubator is provided with RJ-45 telephone type connection for one to one communication
interface with a serial printer.
8.5.7 Chart Recorder Multi-Signal Outputs (Option)
The Chart Recorder Output board is provided as an option, which allows output signals of temperature,
CO
2
%, RH%, O
2
%. The output signals are conditioned and linearized. There are 3 analog signals to
choose from: 0 to 5 VDC, 0-10 VDC, and 4-20 MA. Connection to chart recorder or other monitoring
device is via RJ-45 telephone type jack.
8.5.8 Remote Alarm Contacts
The Incubator is provided with RJ-11 telephone type connection to remote alarm device.
See section 12.0 for detail configuration and connection
8.5.9 Power Switch
The power switch, located at the bottom of the rear panel, controls all power to the Incubator.
8.5.10 CO
2
/N
2
Internal Tank Switch (es) (Option)
The internal tank switch is an option which is factory installed at the time of manufacture.
The tank switch performs the critical back-up function of switching tank 1 and tank 2 and back again
when each depleted tank is replaced.
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