NRD USA
/ 2937 Alt Boulevard / PO Box 310 / Grand Island, NY 14072-0310
PHONE
716 773 7634 /
FAX
716 773 7744 /
WEB
www.nrdllc.com
NRD Asia Pte. Ltd
/ 114 Lavender Street #08‐90 CT Hub 2 Singapore 338729
PHONE
+65 6679 1707 /
WEB
www.nrdllc.com
- 4 -
INST6220_05/18
3. FMS Connection
3-1 . Interface Terminal Connection
Pin No.
Description
Facility Monitoring System Output Signal
FMS 1 Alarm signal relay output
Condition
FMS 1~2
FMS 4~5
FMS 3~6
FMS 2 Alarm relay common
Normal state
Open
4~5mA
Open
FMS 3 Out of balance signal relay output Alarm State
Closed
17~20mA
Closed
FMS 4 Current output for each operation
No Power
Closed
0mA
Closed
FMS 5 Reference ground for current output
FMS 6 Out of balance relay common
3-2. Interface Terminal Cabling
4. Maintenance
NOTE: Turn power off prior to doing regular maintenance or emitter point cleaning.
4-1. Filter Cover Attach and Release
Press down, on tabs, at the top of the filter cover and release or attach it on the main enclosure.
4-2. Emitter Point Cleaning
Remove filter cover from top panel of main enclosure.
Clean emitter points using cotton swab with DI water or Isopropyl Alcohol.
Caution
, emitter points are
very sharp.
After cleaning, make sure ionizer is dry before turning power on.
If there is any damage or excessive wear on the emitter point, it is recommended to replace it.
NOTE: Cleaning requirements of emitter points will vary based on operating environment and use.
Recommended cleaning interval is once a month to once every other month.