LOCK CONNECTION
The lock release is connected directly to the door panel lock supply (LKSP) and lock return (LKRT) terminals using
1.0mm diameter cable.
DOOR PANEL “LKRT”
DC LOCK ONLY
DOOR PANEL “LKSP”
Diode Type: 1N4001 or MOV Type: GNR07D330K
IMPORTANT
An MOV or reverse bias diode must be fitted directly across all DC lock
terminals to prevent back e.m.f. from the lock coil causing malfunction
and possible long-term damage to the door panel or controller.
EXLK CONNECTION
A “Press to Exit” (PTE) button should be connected to override the lock and allow egress from inside the building. The
PTE button should be momentary action with both N/O and N/C contacts. The N/O contacts are connected across 0V
& EXLK in the door panel to provide a timed lock release. With fail-safe (constantly energised) locks it is recommended
that the N/C contacts are also connected in series with the lock to break the supply and allow egress should the door
panel triggered timer fail.
T/G CONNECTION
A N/C door contact should be connected across 0V & T/G in the door panel to detect when the entrance door is
opened. When the contacts open the lock release timer is curtailed to reduce the likelihood of other visitors entering
during the same lock release period (i.e. Tail-gating). The telephone “door open” LED’s will illuminate green when the
door is open if enabled in the “Door Entry Setup” programming. If a door contact is not fitted then the T/G terminal
must be linked to 0V.
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