Mitsubishi Electric City Multi PQHY-P-YHM-A series Installationshandbuch Seite 12

11
[Fig. 11.3.3] PQHY
To another
refrigerant system
OS2 OS1
(53) (52)
M1M2 S M1M2 S
TB7 TB7
TB3 TB3
M1 M2 M1 M2
• ( ) Address
• Daisy-chain terminals (TB3) on heat source units in the same refriger-
ant system together.
• Leave the power jumper connector on CN41 as it is. When connecting a
system controller to the transmission line (TB7) for centralized control,
refer to [Fig. 11.3.1], [Fig. 11.3.2], or DATA BOOK.
[Fig. 11.3.4] PQRY
<A> Change the jumper connec-
tor from CN41 to CN40 *1
<B> SW2-1:ON *2
<C> Keep the jumper connector
on CN41
<B> SW2-1:ON *2
A : Group 1
B : Group 3
C : Group 5
D : Shielded wire
E : Sub remote
controller
( ) Address
*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.
12
L L
11 12
OC
(51)
IC
M1M2 S
TB7
TB3 TB5
M1 M2 M1M2 S
OC
CN41 CN40
BC
(51)
(52)
TB02
M1 M2 S
TB3
M1 M2
M1M2 S
TB7
D
OC
CN41 CN41 BC
(53)
(54)
TB02
M1 M2 S
TB3
M1M2
M1M2 S
TB7
System
controller
A B S
11.3
L
13
Ground
IC RP
TB2 TB3
A B S A B S
TB5
M1M2 S
A B
RC
L
1
A B
IC IC
(01) (04)
TB5 TB5
M1 M2 S M1 M2 S
A B
(101)
RC
L
3
IC IC
(02) (03)
TB5 TB5
M1 M2 S M1 M2 S
A B
(103)
RC
L L
15 16
IC IC
TB5 TB5
M1M2 S M1M2 S
A B
RC
IC
BS
(55)
(05)
TB02
M1 M2 S
TB5
M1 M2 S
r
3
A B A B
(105) (155)
RC RC
E
L
4
IC
(07)
TB5
M1 M2 S
C
IC
(06)
TB5
M1 M2 S