Owner’s & Installation manual
4
Cod. 3QE46680 - Rev. 00 - 01/2021
EN
4. INSTALLATION INSTRUCTIONS
4.1 Installation instructions
to the central controller:
x Y
E
x Y
E
x Y
E
x Y
E
5. INSTALLATION METHOD
The thickness of the central controller cable shall be adjusted
according to the length of the cable. A proper cable tube shall
be used to install the cable of the central controller.
Insert the flat tip screwdriver into the recess on the top panel
of the case and slightly turn to open the top cover of the
central controller.
5.1 The installation method of the central
controller using electrician switch case.
Fig.4-2
Fig.5-1
Note:
The installation procedure show in
Fig.5-1 ~ Fig.5-5.
2. When running power supply and transmission wires paralled
to each other, run them through seprate conduits or maintian a
suitable distance between them.
3. Transmission wiring should be done within the following
limitacion. If they are exceded, transmission problems may
occur.
Max, wiring length: 1,200 m or 3,940 ft.
4. Make sure there is no joint in the middle of the shielded cable.
If such a joint exists, use a socket to connect it.
5. After finishing the connection of the Weekly-timer central
controller, do not use megger to check the insulation of the
signal cable.
6. Connecting mode between the Weekly-timer central controller
and network interface:
The communication port between the central controller and the
network interface of the air conditioning system is polar. The X,
Y, and E pins on both sides shall be corresponding and cannot
be cross-connected.
x Y
E
x Y
E
x Y
E
x Y
E
Fig.4-1
1. Besure to connect the power supply wiring to the power supply
terminal block.
Power
Supply
Single phase,
50Hz, 198V-242V