3M 3801 Home Security System User Manual


 
3M Library Security System
System Configuration
3-13
E 3M 1999 September
3.15 Emergency Shutdown
If an emergency occurs, remove power from the
Model 3500 system by one of the following methods:
1. TurnOn/OffKeySwitchtoOFF.
2. Disconnect the power cord from the power outlet.
3. If step 2 is not possible, set the facility circuit
breaker for the system to OFF.
3.16 Fuse Replacement
The fuses are located on the bottom of the Electronic
Enclosure in the power entry connector.
1. Turn the key switch to OFF and disconnect the
power cord from the power source.
2. Using a small flat blade screwdriver, remove the
fuse block from the power entry connector.
3. Do not remove the voltage selection block as this
has been set by the installer at the correct voltage.
4. Replace the failed fuses with the correct fuse for
your operating voltage:
a. Up to 125VAC, use a 4A fuse.
b. Voltages over 125VAC to 250VAC, use a
3.15A fuse.
5. Reinstall the fuse block, connect the power cord
to the power source, and turn the key switch to
ON.