UMD V3 Installation Manual - Remote Control
13 November 2018
Page
12
of
39
e)
Continue to rotate the locking ring a further quarter turn where the ring will come up against the
stops.
f)
To disconnect the cable, rotate the connector locking ring one quarter turn anti-clockwise and pull
the connector directly away from the UMD panel. Pull only on the connector body. Never pull on
the cable.
i)
in a suitable location where it is not directly exposed to outside weather elements;
ii)
where it is not directly exposed to any water or other liquids including water emissions from the
internal workings of refrigeration unit;
iii)
where it is not directly exposed to excessive heat, dirt or grease;
Note: If the supplied mounting plate is being used then attach the V3 UMD to the mounting plate using self
tapper screws or rivets.
•
The UMD the LTW connectors are at the top
Note: Enclose all cables in split tubing up to 150mm from the connectors at each end of the cable
Avoid routing the Cable Harness any closer than three inches of pipes, valves (plumbing) or parts of
the engine that become hot during reefer operation.
The Fridge Interface Cable:
The Fridge Interface cable connects to the 4-Pin Panel COM2 Connector located on the UMD Gateway.
The other end of the cable is a 3-Pin Carrier Plug which connects to the Carrier Serial Port, a 3 Way flat plug
located in the cable loom behind the controller box. The cable must be run from the UMD on the LHS of the
refrigeration system to the Serial Port
Plug’s location underneath the controller on the RHS of the refrigeration
system. The cable should be well supported and protected from damage from hot components and sharp
edges. Ensure there is enough free cable length at each end to provide tension free connections
.
1.
Connect the interface cable to the Carrier system’s S
erial Port Plug.
2.
Ensure the contacts are fully inserted, and the connector shells are locked.
3.
Unplug the dust cap on the UMD COM Port 2 connector
4.
Connect the Fridge Interface Cable to the Panel Connector on the UMD
5.
Cable Tie and Tidy up. Be careful to keep the cables away from any excessive heat source.
6.
Note: When connecting the interface cable ensure there is sufficient length available so that there is no
tension or kinking applied to the cable at the connection point.
7.
Note: Enclose the cable in split tubing up to 150mm from the connectors at each end of the cable
