R
ECON
ENMET Corporation
10
5.2 Alarm Levels Adjustment of the RECON
5.2.1 Set up of L-alarm (Low Alarm)
With the RECON Off press and hold the P
OWER
and S
ET
buttons until unit activates.
When 0000 is displayed, enter the password, factory set to 1270, by using the UP button to increment the digit and the S
ET
button to accept the indicated digit and move the cursor. When the correct password is entered, the display will advance.
Press the P
OWER
button to advance to alarm set menu.
In this mode, the L-alarm level can be adjusted. Press UP or Down button to adjust the flickering figure according to
your need, and then press S
ET
button to complete the set up. After that, it enters the H-alarm set up.
N
OTE
: The display will not allow an unacceptable alarm level.
5.2.2 Set up of H-alarm (High Alarm)
01In this mode, the H-alarm level can be adjusted. Press UP or Down button to adjust the flickering figure according
to your need, and then press S
ET
to complete the set up. After that the detector will automatically turn off.
N
OTE
: The display will not allow an unacceptable alarm level.
5.3 Battery Charging
When the battery voltage is low, the RECON will not function properly. To recharge the batteries of the RECON: The
RECON must be Off, connect the AC connector plugs of the charger to a 110V
AC
or 220V
AC
outlet and plug the charging
cable into the RECON. The detector will activate automatically and indicates that it is being charged. When the charging
cycle is completed, the display will indicate full charge.
W
ARNING
:
D
O
N
OT
start the battery
charge process with the RECON power on; otherwise the charge speed will be
adversely affected. Always charge the battery in normal ambient air. Do not charge the RECON in a hazardous
area to be monitored, to avoid fire or explosion. Disconnect the charger after 24 hours, failure to do so will
damage the battery.
Typical expected battery life and time to recharge:
RECON for CO, H2S, O2 30+ Hours, non-alarm condition: Recharge time: approximately 4 – 6 hours
RECON for %LEL CH4 8 hours, non-alarm condition: Recharge time: approximately 6 hours
N
OTE
: To maintain proper battery function and life the Recon should be operated once a week for 6 to 8 hours and then placed
on charge.
5.4 Sensor Replacement
Sensor life in the RECON is typically: 2 years for Carbon Monoxide & Hydrogen Sulfide and 1year for Oxygen and
Combustible.
The sensor needs to be replaced when the RECON can no longer be calibrated or if the sensor becomes erratic.
Contact ENMET for sensor replacement information.
Table1: RECON Factory Set Parameters
Model Gas Range
Low Alarm Range
High Alarm Range
TWA STEL Cal Gas
R
ECON
/EX Methane 0-100%LEL 10%LEL 50%LEL 10%LEL – 25%LEL 25%LEL – 80%LEL N/A N/A 50%LEL
R
ECON
/HS Hydrogen Sulfide 0-100ppm 10ppm 15ppm 5ppm – 15ppm 15ppm – 30ppm 10ppm 15ppm 40ppm
R
ECON
/CO Carbon Monoxide 0-1000ppm 35ppm 100ppm 25ppm – 100ppm 100ppm – 500ppm 25ppm 200ppm 500ppm
R
ECON
/O2 Oxygen 0-30%vol 19.5%vol 23.5%vol 16%vol – 19.5%vol 22.5%vol – 24%vol N/A N/A 20.9%
(72 pages)
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