Mitsubishi Electric Mr.Slim PAR-30MAA Technical Manual page 80

System Name
G. Timer operation
Enables control of start
and stop.
* For control by external timer,
refer to Remote/ local com-
bined control operation".
H. Interlock operation
with peripheral
equipment
Enables control of Mitsubi-
shi Lossnay ventilator by
remote controller.
I. Central control
J. Demand control
K. Rotation
80
System Diagram
—
Indoor unit
Lossnay
ventilator
Remote
Controller
<Connection with M-NET system>
Outdoor
unit
Power
supply
unit
Indoor
unit
Remote
Controller
Central controller, etc.
Adaptor to input
external demand
signal
Outdoor unit
Relay box
Remote
Indoor unit
Operating panel
Features
• Weekly timer:
In addition to ON/OFF, up to 8 tempera-
ture patterns can be set for each day of
the week.
* Only one timer can be selected; the auto
off, simple and weekly timers cannot be
combined.
• Simple timer:
Start and stop operations can each be
performed once within 72 hours (can be
set in 1-hour increments).
• Auto off timer:
Operation is stopped when the pre-
set time elapses following the start of
operation. The time can be set from 30
minutes to  hours in 30-minute incre-
ments.
* Only one timer can be selected; the simple
and auto off timers cannot be combined.
• Connecting a Lossnay ventilator and an
indoor unit enables control of interlock/
solo ventilation operation and airflow.
(Only the microcomputer type Lossnay
ventilator can be used.)
• Connecting the M-NET connection
adapter to outdoor unit enables connec-
tion of MELANS system controller (for
M-NET).
• When using A-control operation, the
number of indoor units in a MELANS
system is limited to the number of
outdoor units. (Simultaneous twin, triple
and quad units are counted as 1 unit.)
• Number of controlled outdoor units
Central controller: 50 units
Group remote controller (PAC-SC-
30GR): 16 units
• Demand control is available by external
input. In this mode, power consumption
is decreased within the range of usual
0-100%.
• Rotation
Main and sub unit operate alternately
according to the interval of roration set-
ting.
• Back-up
When abnormality occurs while op-
eration, it changes into operating the
backup unit, and operation is continued.
• 2nd stage cut-in
· Number of operating units is deter-
mined according to the room tempera-
ture and set point.
· When room temperature becomes
higher than set point, standby unit
starts.(2 units operation)
· When room temperature falls below set
point -°C, standby unit stops.
(1 unit operation)
Parts Required in Addition
to Standard SystemCom-
ponents (Indoor / Outdoor
Units, Remote Controller)
MA Remote controller
(PAR-30MAA)
M-NET adapter
(Option PARTS)
Central controller
(G-50A)
Group remote controller
(PAC-SC30GR), etc.
Adapter to input external
demand signals.
(PAC-SC36NA)
Relay box
(Part to be provided at
your site )
Remote operating panel
(Part to be provided at
your site)
This function is availa-
ble when only 2 indoor
units are connected
to each PUHZ type
outdoor unit.
Application model
Indoor unit
PLA-RP · BA2 / BA#2.UK
PCA-RP · KAQ / HAQ
PKA-RP · HAL / KAL
PSA-RP · GA#1
PEAD-RP · JA(L)Q / GAQ