Hochiki HCA-2 Installation And Operation Manual page 8

Verify that wire sizes are adequate for all initiating and indicating device loops. Refer to the manual
specifications section for maximum allowable I.R. drop from the specified device voltage.
Like all solid state electronic devices, this system may operate erratically or can be damaged when
subjected to lightning-induced transients. Although no system is completely immune from lightning
transients and interferences, proper grounding will reduce susceptibility. Overhead or outside aerial wiring
is not recommended, due to an increased susceptibility to nearby lightning strikes. Consult with the
Technical Services Department if any problems are anticipated or encountered.
Disconnect AC power and batteries prior to removing or inserting circuit boards. Failure to do so can
damage circuits.
Make all cable entries from the sides or top of the enclosure using the knockouts provided. Route internal
wiring around the outer edges of the enclosure, and verify that it will not interfere with battery, transformer,
or printed circuit board locations and connections.
Do not tighten screw terminals more than 9 in-lbs. Over-tightening may damage threads, resulting in
reduced terminal contact pressure and difficulty with screw terminal removal.
This system contains static-sensitive components. Always ground yourself with a proper wrist strap before
handling any circuits so that static charges are removed from the body. Use static-suppressive packaging
to protect electronic assemblies removed from the unit.
Follow the instructions in the installation, operating, and programming manuals. These instructions
must be followed to avoid damage to the control panel and associated equipment. FACP operation
and reliability depend upon proper installation by authorized personnel.
HCA Series Installation Manual Page 8 of 58 V2.15