Operation Manual

136
INSTALLATION DIAGRAMS
onnexion of an a.c. lock release.
C
ink of several power supplies units.
L
1st FA-Plus 2nd FA-Plus/C or FA-Plus
SEC
PRI
~~
Main
++
--
SEC
PRI
~~
Main
++
--
If an alternating current lock release has been installed, use a TF-104 transformer and connect it to
thelockreleaseasitisshownonthediagram.
If the quantity of monitors or telephones to be connected is bigger than the supported from one
powersupply(seepage122),useadditionalpowersuppliestomatchtherequiredquantity.The
first power supply should be connected to the door panel and to the first group of monitors or
telephones;connectthenextgroupstothepositiveterminalofitscorrespondingpowersupply.
Towireseveralpowersupplieslinktheirgroundterminals.
NEVERlinkpositiveterminalsofdifferentpowersupplies.
To the door panel & to the first
groupofmonitors/telephones.
To the second group of
monitors/telephones.
Main
CN2
+
--
+CV1CV2
SEC
PRI
230110 0
--
++
EL631 PLUS /
EL640 PLUS
FA-PLUS/C
rev.938072
Main
TF-104
SEC
PRI
~~~~
Lock release
Va.c.