RKI Instruments GD-K77D - Manual (Page 33)

Model GD-K77D Operator’s Manual Operation • 28
Alarm Test Mode
Alarm Test Mode is used to increase the display reading and 4-20 mA output. Any external
device connected to the 4-20 mA output will indicate upscale readings. This allows testing
of any alarms it may control.
CAUTION: Before making an alarm test, notify the appropriate departments at your site, or anyone who
might hear the alarms, and let them know that alarm testing and maintenance are being
performed on the Model GD-K77D.
1. With the front control cover of the Model GD-K77D flipped open, press and hold the
TEST/SET switch for three seconds to start alarm test mode. The Skip light and
display indication will flash.
2. Increase the display indication on the Model GD-K77D. Press the FLOW ADJ switch
up until the indication reaches the Alarm 1 setting and the ALM1 light turns on.
Continue to increase the indication until the ALM2 light turns on. The readings
shown below are typical. Once an alarm level is reached, there is a 3 second alarm
delay.
NOTE: During alarm testing, the Model GD-K77D alarm contacts do not change condition.
3. Press the TEST/SET switch for three seconds to return to Detection Mode.
Turning Off the Model GD-K77D
1. With the front control cover of the Model GD-K77D flipped open, move the power
switch left to turn off the power.
2. Turn off the main power (DC 24V) to the Model GD-K77D.
LED indication Display indication
PW/TR ALM1 ALM2 SKIP
0. 0 0
LED indication Display indication
PW/TR ALM1 ALM2 SKIP
PW/TR ALM1 ALM2 SKIP
3. 0 0
6. 0 0