Johnson Controls S321-IP Hardware Installation page 8

S321-IP Network Controller
24-10239-480 Rev. F
I : After you replace the lithium battery (recommended every five
MPORTANT
years or after extended use), verify that the realtime clock is correct; otherwise,
you may need to adjust the time.
CAUTION: Risk of Explosion.
Replace the battery with a lithium battery of the same type and
voltage rating. Dispose of the used battery in accordance with local,
national, and regional regulations. Failure to replace the battery with
one of the same type and voltage rating may result in an explosion
causing personal injury and property damage.
To replace the lithium battery:
1. Disconnect the 24 VDC power from the S321-IP.
2. Unscrew and open the plastic enclosure.
3. With a narrow (1/8 in.) blade, carefully pry up the battery until a
portion of the battery is out of the plastic holder.
4. With your free hand gently move the battery out of the holder while
keeping the battery pried up.
5. Dispose of the old battery according to local requirements.
6. Insert the new battery into holder.
I : The lithium battery is polarized. Ensure the side marked '+' faces
MPORTANT
out (that is, towards you).
7. Close the plastic enclosure and secure it with the screw.
8. Re-connect the power to the S321-IP.
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Hardware Installation