Mitsubishi Electric PUMY-P125VMA1 Technical & Service Manual page 29

• Name, Symbol, and the Maximum Units for Connection
• Max length via outdoor units : L
• Max transmission cable length : L
• Remote controller cable length : R
OC
CN40
(051)
TB3
M1 M2 S
M1 M2 S
TB7
Shielded wire
OC
(052)
TB3
M1 M2 S
M1 M2 S
TB7
• The terminal S on the terminal block (TB7) for the central control panel should be connected to the ground terminal ;
of the electric components box for one outdoor unit only.
• Never connect together the terminal blocks (TB5) for transmission wires for indoor units (IC) that have been connected to
different outdoor units (OC).
• Set all addresses to ensure that they are not overlapped.
• It cannot be connected M-NET remote controller and MA remote controller with indoor unit of the same group using
together.
+L +L +L +L +L +L +L
1 2 3 4 5 6 7 9
L +L +L +L +L +L +L +L
1 2 3 4 5 6 8 9
+L +L +L , L +L +L , L
1 2 3 4 5 6 7
[ 10 meters (0.5 to 0.75mm
,R , R , R
1 2 3 4
If the length exceeds 10 meters, use a 1.25 mm
tion (L ) should be included in the calculation of the maximum length and overall length.
8
Group 1 Group 3
IC
(001)
TB5 TB15 TB5
M1 M2 S 1 2 M1 M2 S
TB6
(101)
NR
Remote
controller
IC
(002)
TB5 TB5
TB15
M1 M2 S M1 M2 S
1 2
TB6
(103)
NR
29
[ 500 meters (1.25mm
2 )
[ 200 meters (1.25mm
+L +L , L +L
5 6 8 7 8
2 )
shielded wire. The length of this sec-
2
Group 5
IC IC
(004) (005)
TB15 TB5 TB15
1 2 M1 M2 S 1 2
TB6 TB6
(105) (155)
NR NR
IC IC
(003) (007)
TB5
TB15 TB15
M1 M2 S
1 2 1 2
)
2
IC
(006)
TB5 TB15
M1 M2 S 1 2