Samsung MCM-A300N Installation Manual page 10

Maximum allowable number of connections
Classification
Outdoor unit
Indoor unit / ERV
Installing the Touch Centralized Controller
1. Fix the installation plate of the Touch Centralized Controller on the wall with 4 screws.
2. Connect the power cable to the power terminal on the back of the Touch Centralized
Controller.
[Arranging the wire in
downward direction]
3. Connect the communication cable to the 485 communication terminal on the back of the Touch Centralized Controller.
- If the connection is not done properly, communication may not work properly.
- Use appropriate tools to connect the cables firmly within rated torque range so that it can withstand external forces.
- You may connect the communication cable of the F1, F2 terminal of the indoor/outdoor unit or R1, R2 of the outdoor
unit.
- When connecting the Touch Centralized Controller to indoor/outdoor unit layer use F1, F2 terminal and use R1, R2
terminal when connecting it to control device layer.
4. Hang the top part of the Touch Centralized Controller on the
installation plate, already installed on the wall, and fasten the hooks on
the bottom part of the installation plate.
- Make sure to fix the Touch Centralized Controller firmly since it may
fall to the ground and get damaged if it is not firmly fixed.
• It is recommended to install the product on the wall for safe use and to prevent it from troubles and damages.
CAUTION
Touch-controller_IM_03943A_1_EN.indd 9
When connected to control device layer
16 units
128 units
Fix it firmly with a
cable tie
Communication cable
Power cable
When connected to indoor/outdoor unit layer
1 unit
80 units
Tightening torque (N.m)
M4
[Arranging the wire in
upward direction (for
in-wall wiring)]
Installation plate Holes for the hooks
1.2~1.5
9
2013-06-28 오후 3:07:05