6
3.Installation procedure [Applicable model : Group B]
●
To protect the wires connected to M-NET board from the edges of sheet-metal
component, paste the insulation on the edge surface of panel sheet-metal before
proceeding with the following work.
Paste insulation sheet on sheet-metal
so that it completely envelops the edge
surface of sheet-metal.
Install M-NET board (with insulation
sheets and supports) on the side of
electrical parts box so that the rotary
switches (SW11, SW12) faces up (at the
four points indicated by arrows).
Note: Push it firmly until you hear it “click”.
Use terminal screw to secure terminal
block .
Note:
Terminal block has a round boss for
positioning: Fit the round boss into the
positioning hole in steel-plate.
(When viewed from the side of Electrical parts box)
(When viewed from the side of Electrical parts box)
Control board
M-NET board
Paste label under terminal block .
Use lead wire-A to connect CN5 of
M-NET board connection and CNMNT of
outdoor control board.
• Caution
Wire Marking: INV type,
Connector color: Red
Always make sure that the markings and
the applicable model match. If used
incorrectly, parts could be damaged.
Use lead wire-C to connect CND of
M-NET board connection and CNVMNT
of outdoor control board.
Use lead wire-D to connect CN2M of
M-NET board connection and terminals
A and B of terminal block Polarity is not a
concern.
Note:
Connect the wire firmly making sure that the
screws on terminal block are not loose.
The lead wires should be tied together with
the other lead wires with the fastener
not to loose.
Wiring length is adjusted according to
apparatus.
Note1:
Use ground wire and screw as required
to connect the shield of M-NET transmission
line to the unit.
(See the attention on page 2)
Note2:
Take great care that no lead wire is caught
on anything when installing panels.
Terminal block
(M-NET)
Terminal screw
(M3
o
20)
Label
Ground wire
and screw
(M4×8)
Insulation sheet
Lead wire-D