GSM-60
ENMET
Manual Revision Date – June 15, 2017
P a g e
|
15
Manual Part No. – 80003-600
Rev. 1 – December 15, 2016
5.0 Maintenance
The
GSM-60
requires periodic sensor calibration and replacement. Calibration of toxic gas and oxygen sensor should be performed
immediately following installation, one month after installation and every 3 months thereafter. HC sensor should be calibrated
monthly. Oxygen and CO sensor have an estimated lifetime of 1 – 2 years. The CO2 sensor has an estimated lifetime of 3 years.
Other sensors vary. Sensors should be replaced when they will not calibrate or shortly before the end of the estimated lifetime.
5.1 Cleaning Instructions
C
AUTION
:
Never spray a cleaning solution on the surfaces of the
GSM-60
devices.
Clean the exterior of the
GSM-60
enclosures with a mild soap solution on a clean, damp cloth. Do not soak the cloth with
solution so that moisture drips onto, or lingers on, external surfaces.
Under no circumstances should organic solvents such as paint thinner be used to clean instrument surfaces.
5.2 Maintenance Menu
5.2.1 Accessing Maintenance Menu
The
GSM-60
maintenance menu is accessed by entering the proper password with the
OPTION
and
SELECT
switches. See
Section 5.2.2 Figure 6
for full Maintenance Menu flow chart.
Entrance to the maintenance menu is guarded with a four-digit Password. The factory default setting of the password is 1270.
When a valid numerical password is inserted, the user can enter the maintenance menu.
To enter the maintenance menu. Press the
OPTION
switch until “Enter Maint Menu” is displayed then press
SELECT
switch for
the Enter Password menu. Enter the valid password as described below.
In the "Enter Maint Menu" position
Press the
SELECT
switch "Enter Password
ζ
0" is displayed. Press
SELECT
switch once, to move cursor to next digit, this
will be the first digit of the password.
In the
ζ
000 position, the underline cursor is under the left digit.
Press the
OPTION
switch to change the left digit; select the correct digit.
Press the
SELECT
switch, which locks the digit in place and moves the cursor one digit to the right.
Continue this process until the four-digit password is complete. When a valid password is inserted in this manner, the display is
transferred to the "Calibration" portion of the menu. If an invalid password is inserted, you are returned to the Enter Maint
Menu display.
Example
: Password Display (
with factory installed password entered
) and Flow Chart below.
To Calibration
See
Section 5.2.2 Figure 6
for full Maintenance Menu flow chart.
Enter Password
1270
CO
PPM
O
2
%
O
= Option Switch
S
= Select Switch
H2S
PPM
O
S
S
Enter Password
ζ
0000
Enter Maint Menu
Changes digit indicated by underscore cursor
Locks underscored digit and moves cursor to next digit
O
(6)
Valid
Invalid
!
