INSTALLATION INSTRUCTIONS
Hydrosense ID Addressable Water Detection System
Document Part No. 3500039 Issue:01
Page | 16 of 32
10.1. Fitting additional Detection Circuit (Loop Card: IDAP-LEC)
On a single loop Hydrosense ID panel an additional detection circuit (loop card) can be fitted, it must be compatible with
the existing detection circuit.
Note: The system can only support a maximum of two loops.
To fit the Loop Card, the control panel must have mains and battery power removed.
The metal chassis should then be removed by removing the two fixing screws that hold it in place.
The Loop Card is supplied in a static dissipative bag and should remain in this bag until it is to be fitted.
As with all electronic components, this circuit board is very sensitive and can be easily damaged by electrostatic discharge.
Where possible, a static protective wrist strap should be worn when handling circuit boards. Where this is not available; it
is advisable to touch a surface that is known to be connected to the earth of the fixed installation.
The additional Loop Card mounts on the left hand side of the main board and fits into two connectors labelled X7 and X8.
There are two mounting pillars on the main board to which the additional Loop Card should be fitted using the M3
screws and fibre washers supplied.
After checking that the Loop Card is firmly located and making good contact with its connectors, the metal
chassis can be screwed back into place in the enclosure.
Unused detection circuits must have the "LOOP + OUT" to "LOOP + IN" and "LOOP - OUT" to "LOOP - IN"
terminals wired together to prevent open circuit faults from being reported.
The devices on the new detection loop should be added to the original configuration file using the Loop Explorer
PC (LE2) configuration utility and downloaded to the panel as described in section 8.3. If this is not done the
panel will report unexpected devices on loop 2.
CAUTION
– If an Autolearn is done to detect the devices on the additional loop, any previous configuration such
as location text that had been allocated to the existing devices on the original loop will be erased. For this reason,
it is preferable to update the control panel configuration via a PC.
