-6-
HYDROCTROL-IOM-1903-E
INSTALLATION
Wirings
Two different connections are necessary. But some other can be added in case of option
1.
Power supply connection
The 24Vac 50/60 Hz power supply is required and has to be connected in the following pins: See picture index 1
2.
BACnet MS/TP connection
Connect the BACnet MS/TP network to the dedicated pins. We recommend to use shielded twisted pair cable. The daisy-
chain connection is required. (star and ring connections are forbidden): See picture index 2
Chiller connection (Option)
In case the HMI is also connected to the Lennox chiller
, The BACnet MS/TP communication card (S/n: (EL)4770643E) is
required on the controller of the chiller.
3.
Ethernet connection (Option)
The HMI offers the possibility to be a web server. This means the display is also accessible via internet. You can connect
the HMI to your network using the RJ45 cable. See picture index 3
2.
On a wall
Place the HMI on the wall and mark at least 4 points for screws and the hole for electrical wirings
Cut the hole for wiring and drill screw holes
Mount the HMI on the surface
1
2
3
Picture3: Hydrocontrol schematic (On a wall)
Picture4: Hydrocontrol main board
