CO2 Meter RAD-0002 Manuale operativo - Pagina 6
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Installation Continued..
5. Once your SEU and RDU is fixed to wall, you can now route the included CAT5 cable between
the SEU and RDU.
The CAT5 cable can be run through the wall/conduit or fixed to the wall using cable clips. Finally,
plug the CAT5 cable into the designated ports on both units. Please note, 2 additional RDUs can
be connected to the first RDU as long as the total cable length between the farthest RDU and
SEU is less than 300ft.
(91m).
6. When the power has been connected, The SEU and the RDU will perform a self-check,or 30
minute countdown, and then begin to work and read the appropriate gas concentrations.
**If the cable between the SEU & RDU is not securely connected, the yellow fault LED on the
SEU will blink after startup. If the cable is inserted into the wrong port on the back of the RDU,
after about one minute, "Er7" will flash on the RDU display. Securely plug the cable into the
correct port on RDU for the unit to function normally.**
7. To test the system, use the DIAG function.
The five LED's will blink and the buzzer will sound on both the SEU and RDU. Then both LCD
screens will show the same information. This verifies that alarm is ready.
8. As a reminder, The RAD-0002 has 3 relay outputs connected to the programmed alarm
settings. All relays are normally open/closed dry contacts.
Any of the relays can be used to control an external device (fan, HVAC system, etc.) or can be
wired to the fire alarm panel directly. The relays will trigger when the O2 concentration exceeds
the programmed alarm level.
Installation Example:
5