Control Box - Mitsubishi Electric PQHY-P200YHM-A Installationshandbuch

11
[Fig. 11.2.1]
A
Power supply terminal block
(TB1)

Control box

L1 L2 L3 N
[Fig. 11.2.2]
A : Cable strap
B : Power source cable
C : Ground terminal for connection to field wiring
[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 heat source unit in the system and connect it to CN40.
*2: If a system controller is used, set SW2-1 on all of the heat source units to ON.
10
B
Terminal block for indoor –
outdoor transmission line
(TB3)
C
C
A
B
11.3
A
OC
IC
CN40
(51)
(01)
TB3 TB5
M1 M2
M1 M2 S
M1M2 S
TB7
D
A B
(101)
RC
L
3
OC
IC
CN40
(52)
(02)
TB3 TB5
M1M2 M1 M2 S
M1M2 S
TB7
System
controller
A B S
11.2
A : Power source
Terminal block for
B : Transmission line
centralized control
C : Earth screw
(TB7)
L
1
B
IC IC
(04) (05)
TB5 TB5
M1 M2 S M1 M2 S
r
3
A B A B
(105) (155)
RC RC
E
L
4
IC IC
(03) (07)
TB5 TB5
M1 M2 S M1 M2 S
A B
(103)
RC
C
IC
(06)
TB5
M1 M2 S