Example System With An Ma And An Me Remote Controller; System With A Connection Of System Controller To Centralized Control Transmission Line - Mitsubishi Electric HP120TNU-A Service Handbook

[2-9 Example System with an MA and an ME Remote Controller ]

2-9

Example System with an MA and an ME Remote Controller

2-9-1 System with a Connection of System Controller to Centralized Control
Transmission Line
(1) Sample control wiring
Leave the male
connector on
CN41 as it is.
SW5-1 OFF ON
OS
52
TB3
M1M2
TB7
M1M2 S
Leave the male
connector on
CN41 as it is.
SW5-1 OFF ON
OS
55
TB3
M1 M2
TB7
S
M1 M2
(2) Cautions
1) Be sure to connect a system controller.
2) ME remote controller and MA remote controller cannot both be con-
nected to the same group of indoor units.
3) Assign to the indoor units connected to the MA remote controller ad-
dresses that are smaller than those of the indoor units that are con-
nected to the ME remote controller.
4) No more than 2 ME remote controllers can be connected to a group
of indoor units.
5) No more than 2 MA remote controllers can be connected to a group
of indoor units.
6) Do not connect the terminal blocks (TB5) on the indoor units that are
connected to different outdoor units with each other.
7) Replace the power jumper connector of the control board from CN41
to CN40 on only one of the outdoor units.
8) Provide an electrical path to ground for the S terminal on the terminal
block for centralized control on only one of the outdoor units.
9) When the number of the connected indoor units is as shown in the
table at right, one or more transmission boosters (sold separately)
are required.
To connect two transmission boosters, connect them in parallel.
(Observe the maximum number of connectable indoor units that are
28
- chapter 2
L11
Move the male connector
from CN41 to CN40.
SW5-1 OFF ON
OC BC
51 53
TB3 TB02
M1M2 S
M1M2
TB7
M1M2 S
To be left
To be connected
unconnected
L21
Leave the male
connector on
CN41 as it is.
SW5-1 OFF ON
OC BC
54 56
TB3 TB02
M1 M2 M1 M2 S
TB7
To be left
S
M1 M2 unconnected
To be left
unconnected
Note1
System controller
*1 When only the LM adapter is connected, leave SW5-1 to OFF (as it is).
A B S
*2 LM adapters require the power supply capacity of single-phase AC 220 - 240V.
L12
Group
IC IC
01 02
TB5 TB15 TB5 TB15
M1M2 S 1 2 M1M2 S 1 2
A1 B2
MA
L22
Group Group
IC IC
03 04
TB5 TB5 TB15
TB15
M1M2 S 1 2 M1M2 S 1 2
A1 B2
A1 B2
104
MA
RC
listed in the specifications for each outdoor unit.)
When the P72 and P96 models are
not included in the connected indoor
units
When the P72 and P96 models are
included in the connected indoor
units
The above table shows the number of transmission
boosters that is required by the system with three BC
controllers. For each BC controller added or subtracted,
subtract or add two indoor units.
Refer to the DATABOOK for further information about
how many booster units are required for a given system.
10) When a power supply unit is connected to the transmis-
sion line for centralized control, leave the power jumper
connector on CN41 as it is (factory setting).
Group
IC
06
TB5 TB15
M1M2 S 1 2
A1 B2
106
RC
IC
05
TB5 TB15
M1M2 S 1 2
Number of transmission booster
(sold separately) required
1 unit 2 units
15 - 34 35 - 50
units units
11 - 26 27 - 42 43 - 50
units units units
HWE18220_GB
3 units
-