ENMET ISA-60M with MRI-5175 User Manual
Page 21

ISA-60M
ENMET Corporation
18
5.2.9 Failsafe Configuration
The
ISA-60M
is factory set in a failsafe configuration. This means that if power is disconnected to the unit, or the relay
fails to properly engage, it fails in such a way that it is in the alarm position.
ENMET
recommends leaving the relay in a
failsafe configuration. However, relay 1 – 5 can be re-configured by using the following procedure.
To change a relay failsafe configuration you must 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
❚
0
" is displayed. Press
SELECT
switch once, to move cursor to next digit,
this will be the first digit of the password.
In the
❚
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.
After entering a valid password:
Press the
OPTION
switch until “Relay Failsafes” is displayed
Example: Set Relay Failsafe Configuration Flow Chart
5.2.10 Set New Password
To change the password, you must 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 in Section 5.2.1.
To set a new password, after inserting a valid password,
Press the
OPTION
switch until; "
Set New Password”
is displayed.
Press the
SELECT
switch; "
Password
❚
1270
" is displayed, with the underscore cursor under the left digit.
Use the
OPTION
switch to change the left digit, when the desired digit is displayed.
Press the
SELECT
switch to lock the digit in place and move the cursor one digit to the right.
When all four digits of the new password have been selected, "
Set New Password
" is displayed.
Record the new password; without it, the maintenance menu cannot be reentered once you exit the Maintenance Menu. If the
password is lost, call
ENMET
customer service personnel.
From the "
Password XXXX
" position,
Press the
SELECT
switch to return to Set New Password section.
Press the
OPTION
switch; to continue to "
exit MAINTENANCE Menu
"
Example: Set Password Flow Chart
O
S
MAINTENANCE MENU
Set New Password
Password
❚ 0000
O
S
Changes digit indicated by underscore cursor
Locks underscored digit and moves cursor to next digit
O = Press Option
S = Press Select
O
S
MAINTENANCE MENU
Relay Failsafes
S
O
S
Relay Failsafes
Changes
Failsafe setting from ON to OFF
Continue pressing
S
ELECT
to cycle through all 5 relays
O
Pressing
O
PTION
changes Failsafe setting from ON to OFF
R: 1 Failsafe ON
Relay Failsafes
R: 2 Failsafe
OFF
O = Press Option
S = Press Select