Mitsubishi Electric PUHY-P-YHM-A Installation Manual page 8

11
[Fig. 11.2.1]
A
Power supply terminal block
(TB1)
Control box
L1 L2 L3 N
[Fig. 11.2.2]
A
A : Cable strap
B : Power source line
C : Transmission line
B
[Fig. 11.3.1]
<A> Change the jumper connec-
tor from CN41 to CN40 *1
<B> SW2-1:ON *2
( ) Address
<C> Keep the jumper connector
on CN41
<B> SW2-1:ON *2
*1: When the power supply unit is not connected to the transmission line for centralized control, disconnect the male power supply
connector (CN41) from ONE outdoor unit in the system and connect it to CN40.
*2: If a system controller is used, set SW2-1 on all of the outdoor units to ON.
8
Terminal block for indoor –
outdoor transmission line
(TB3)
C
C
A
OC
CN40
(51)
TB3
TB5
M1 M2 M1 M2 S
M1M2 S
TB7
D
A B
(101)
RC
L
3
OC
CN40
(52)
TB3 TB5
M1M2 M1 M2 S
M1M2 S
TB7
System
controller
A B S
11.2
B
Terminal block for
centralized control
(TB7)
11.3
L
1
B
IC IC
(01) (04)
TB5
M1 M2 S M1 M2 S
A B
(105)
RC
L
4
IC
IC
(03)
(02)
TB5
M1 M2 S
M1 M2 S
A B
(103)
RC
A : Power source
B : Transmission line
C : Earth screw
C
IC IC
(05) (06)
TB5 TB5
M1 M2 S
r
3
A B
(155)
RC
E
IC
(07)
TB5