MIJA Critical Alert Universal User manual

2. The Critical Alert Universal seen in Figure 1. can be installed onto an
oxygen regulator, per NPT installation standards, using a 7/16” wrench
on the brass hex on the backside of the Universal. The Critical Alert
Universal will fit most regulators using an 1/8” NPT fitting.
Critical Alert Universal
USER MANUAL
4Coin Cell Batteries–CR1632
SPECIFICATIONS
1. The Critical Alert Universal from MIJA is completely assembled and
ready to be installed onto an oxygen regulator. See Figure 1 below.
Black Snooze &
On/Off Button
Analog Gauge
Figure 1. Critical Alert Universal Layout
LED Indicators
Figure 2. Critical Alert Universal Installed on OxygenIntegrated Regulator
Figure 3. Critical Alert Universal Installed on a Post Valve Regulator
3. The Critical Alert Universal is now ready to use. The Critical Alert
Universal needs to be switched on, the switch can be found on the lens of
the housing as shown in Figure 1. Press the black button and release.
6. The yellow LED will flash when the battery power is low. The
batteries should be changed at this point for optimal performance of the
Critical Alert Universal. The analog gauge will continue to work should
the battery be completely drained of power but there will be no visual or
audible alerts from the system.
7. The Critical Alert Universal may be shut off while in normal
operating conditions or while in the alarm state. Press and hold the
black Snooze & On/Off button until all three LED lights appear, a single
tone of the alarm will also sound, it is now safe to release the button.
The snooze function will silence the audible alarm for 20
minutes.
****
Use of the snooze function is not suggested for flow rates
higher than 4 LPM.
Before Cleaning:
•Make sure the Critical Alert Universal is powered off.
•Ensure that the cylinder valve is closed.
Recommended:
•Sanitizing Wipes/Germicidal Disinfecting Wipes
•Bleach on damp Cloth
•Alcohol Swab
•Citric Acid
Do Not:
•Use Acetone or anything containing Acetone
•Use Ammonia or anything containing Ammonia
•Hose Down
•Submerge in water
Contact MIJA with any questions about cleaning or product information.
4. The green LED will flash letting the user know the Critical Alert
Universal is ready and has power. The analog gauge will read the
pressure in the oxygen cylinder and will be in the green area on the dial
when the cylinder is fully charged.
OPERATION
5. The red LED will flash and an audible alarm will sound when the
oxygen level gets to 500 psi and lower. The black snooze button , see
Figure 1., can be pressed (press and release) to silence the alarm
while a new oxygen cylinder is sourced. See Table 1 for the estimated
minutes of available oxygen.
CLEANING INSTRUCTIONS
Maintenance Instructions & Product Warranty on Back - >
U.S. Design Pat. No. D817,794 & Patent Pending
Part # 1-05873
www.MIJA.com
781-871-5750

2. Removing the batteries:
•Power the Critical Alert Universal down. (Press and hold black
power button, shown in Figure 1, until all LEDs glow and alarm
sounds)
•Use a # 0 or 1.8mm Philips head screwdriver to remove the two
screws, one on each side of the Universal.
•While holding the base of the gauge, pull the upper housing up
away from the held point to expose the battery board. (Refer to
Figure 3)
•Slide the battery board out of the grooves, disconnect the cable if
needed.
•Remove the batteries.
•When replacing the batteries, reverse the above steps and make
sure that the positive side of the battery is placed under the
retaining tabs of the battery holder.
•Make sure the power button is properly aligned with the board
mounted switch.
Battery CR1632
Battery Board
Figure 4. Critical Alert Universal Battery Change
1. Regular maintenance required for the Critical Alert Universal is the
changing of the batteries when indicated as described above in step 6.
MAINTENANCE
*** If the Critical Alert Universal does not respond after following
the above instructions contact MIJA at [phone]
Warranty
Manufacturer warrants its product to be free from defects in
materials and workmanship for one year from the date of purchase,
under normal use and service.
Manufacturer’s obligation is limited to repairing or replacing, at its
option. In case of defect, the manufacturer should be contacted to
establish a Return Material Authorization number.
MIJA is the leading pressure gauge manufacturer of medical,
industrial, and fire protection applications globally. Our products,
designed and manufactured in North America, deliver superior
pressurized gas measurement and alert information. Our innovative
Critical Alert and 2n1 technologies are advanced solutions that meet
the evolving needs of medical, industrial and fire protection systems.
With more than 47 years of product design, engineering, and
manufacturing innovation, MIJA delivers flawless quality and best-in-
class customer service to thousands of customers around the world.
Our success is based on our North American manufacturing facilities,
an educated and skilled workforce working to improve the safety,
security, and quality of people’s’ lives.
ABOUT MIJA
ADDITIONAL CRITICAL ALERT PRODUCTS
Critical Alert for Oxygen
Easy Lift Oxygen (ELO )
Contact MADA for more info information.
www.MIJA.com
781-871-5750