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2. M-NET control
4 - 11
SYSTEM DESIGN
Sy
stem
PAC-SC51KUA
Outdoor unit
MA remote controller
Group
Group
Indoor unit
M-NET transmission lines
(transmission lines
for centralized controller)
M-NET transmission lines
(transmission lines
for centralized controller)
Outdoor unit
ME remote controller
MA remote controller
ME remote controller
Group
Group
Group
Group
Group
Group
Indoor unit
Indoor unit
Indoor unit
Replacement of
CN41 with CN40
Use CN41
as it is.
TB7
TB3
TB3
Outdoor unit
Outdoor unit
Replacement of
CN41 with CN40
Use CN41
as it is.
System controller
(excluding LMAP04-E)
System
controller
M-NET transmission lines
(Indoor-Outdoor transmission lines)
TB7
TB3
System
controller
TB7
TB7
TB3
A maximum of 3 System controllers can be connected to TB3.
A maximum of 6 System controllers can be connected to TB7.
M-NET transmission lines
(transmission lines
for centralized controller)
MA remote controller
ME remote controller
Group
Group
Group
Group
Indoor unit
Indoor unit
TB3
Outdoor unit
Outdoor unit
Use CN41
as it is.
Use CN41
as it is.
System
controller
TB7
TB7
TB3
CAUTION
M-NET transmission lines
(Indoor-Outdoor transmission lines)
M-NET transmission lines
(Indoor-Outdoor transmission lines)
The power to system controller (excluding LMAP04-E) is supplied via the M-NET transmission line. The M-NET transmission
line at TB7 side is called the centralized control transmission line while one at TB3 side is called indoor-outdoor transmission
line. There are 3 ways to supply power to the system controller .
A) Connecting to TB3 of the outdoor unit and receiving power from the outdoor unit.
B) Connecting to TB7 of the outdoor unit and receiving power from the outdoor unit.
C) Connecting to TB7 of the outdoor unit but receiving power from power supply unit PAC-SC51KUA.
A maximum of 3 system controllers can be connected to
TB3. If there is more than 1 outdoor unit, it is necessary to
replace power supply switch connector CN41 with CN40
on one outdoor unit.
A maximum of 6 System controllers can be connected to
TB7 and receive power from the outdoor unit.
It is necessary to replace the power supply switch
connector CN41 with CN40 on one outdoor unit.
Fig. 2-3-3-A
Fig. 2-3-3-B
Fig. 2-3-3-C
2-3-3-A. When connecting to TB3 of the outdoor unit and receiving power from the outdoor unit.
2-3-3-B. When connecting to TB7 of the outdoor unit and receiving power from the outdoor unit.
2-3-3-C. When connecting to TB7 of the outdoor unit but receiving power from PAC-SC51KUA.
2-3-3. Ensuring proper power supply to the system controller
When using PAC-SC51KUA to supply transmission
power, the power supply connector CN41 on the outdoor
units should be kept as it is. It is also a factory setting.
1 PAC-SC51KUA supports a maximum 1 AG-150A unit
due to the limited power 24VDC at its TB3.
However, 1 PAC-SC51KUA supplies transmission power
at its TB2 equal to 5 indoor units, which is referable at
Table 2-3-2.
If PZ-52SF-E, system controller, ON/OFF controller
connected to TB7 consume transmission power of more
than 5 (indoor units), transmission booster PAC-SF46EPA
is needed. PAC-SF46EPA supplies transmission power
equal to 25 indoor units.
AG-150A*
1
is recommended to connect to TB7 because it performs back-up to a number of data points.
In an air conditioner system which has more than 1 outdoor unit, with AG-150A receiving transmission power through TB7 on one of the outdoor units, there
is a risk that the connected outdoor unit failure would stop power supply to AG-150A, and disrupt the whole system.
When applying apportioned electric power function, AG-150A must be connected to TB7 and have its own power supply unit PAC-SC51KUA.*
2
*1: AG-150A is an example model of system controllers.
*2: Power supply unit PAC-SC51KUA is for AG-150A.
Содержание PURY-WP-YJM-A
Страница 1: ...DATA BOOK PURY WP YJM A CMB WP V G PEFY WP VMS1 E PEFY WP VMA E PFFY WP VLRMM E MODEL 3rd edition ...
Страница 3: ...Databook ...
Страница 5: ...1 2 INDOOR UNITS ...
Страница 39: ...1 36 INDOOR UNITS ...
Страница 51: ...1 48 INDOOR UNITS ...
Страница 61: ...1 58 INDOOR UNITS ...
Страница 68: ...2 1 HYBRID CITY MULTI OUTDOOR UNITS 2 OUTDOOR UNITS HYBRID CITY MULTI 2 3 ...
Страница 69: ...2 2 OUTDOOR UNITS ...
Страница 85: ...2 18 OUTDOOR UNITS ...
Страница 172: ...4 1 HYBRID CITY MULTI SYSTEM DESIGN 4 SYSTEM DESIGN SYSTEM DESIGN 4 3 ...
Страница 173: ...4 2 SYSTEM DESIGN ...