Sensor Connections - Hydro-Probe Ii; Installation Guidelines; Connecting The Hydro-Probe Ii To The Hydro-View; Figure 20: Connecting The Hydro-View To A Hydro-Probe Ii - Hydronix Hydro-View HV02 User Manual

Sensor Connections – Hydro-Probe II
The Hydro-Probe II must be connected using the Hydronix sensor cable (part no 0090A), available in
different lengths to suit the installation. Any extension cable required should be connected to the
Hydronix sensor cable using a suitable screened junction box.

Installation guidelines

Ensure that the RS485 cable is taken back into the control panel. This can be used for
diagnostic purposes and takes the minimum of effort and cost to connect at the time of
installation. To connect to a PC use a suitable converter – see Hydro-Probe II user guide
HD0193 for more details.
Route the signal cable away from any power cables.
The sensor cable should only be grounded near to the sensor.
Ensure that the cable screen is not connected at the control panel.
Ensure that there is continuity of the screen through any junction boxes. Keep the number
of cable joins to a minimum.
Three twisted pairs required (6 cores total) cable with 22 AWG, 0.35mm
Screen (shield): Braid with 65% minimum coverage plus aluminium/polyester foil.
500 Ohm resistor – The recommended resistor is an epoxy sealed precision resistor of the
following specification: 500 Ohm, 0.1% 0.33W
Maximum cable run: 200m.

Connecting the Hydro-Probe II to the Hydro-View

To connect to a Hydro-View, the Hydro-Probe II needs to be set to compatibility mode.
This mode allows the Hydro-Probe II to directly replace an existing Hydro-Probe (HP01).
The 500 Ohm resistor supplied with the cable is required to convert the analogue current
output to a voltage signal
500 Ohm
resistor

• Figure 20: Connecting the Hydro-View to a Hydro-Probe II

2
conductors.
0090A twisted pair
Sensor Cable
Junction box
Hydro-View (HV02)
Connector
HYDRO-VIEW USER GUIDE D0022 REV 1.06
INSTALLATION
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