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System Name
System Diagram
G. Timer operation
Enables control
of start and stop.
* For control by
external timer,
refer to Remote/
handheld com-
bined control op-
eration".
H.Interlock opera-
tion with periph-
Lossnay
eral equipment
ventilator
Enables control of
Mitsubishi Lossnay
ventilator by remote
controller.
Main
I.Rotation
• Weekly timer:
In addition to ON/OFF, up to eight temperature
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
• Auto off timer: Operation is stopped when the preset
* Only one timer can be selected; the simple and auto
off timers cannot be combined.
• Connecting a Lossnay ventilator and an indoor unit
Indoor unit
enables control of interlock/solo ventilation opera-
tion and airflow.
(Only the microcomputer type Lossnay ventilator
Remote
can be used.)
Controller
•
When abnormality occurs while operating, it changes
Remote
into operating the back up unit, and operating is
Controller
continued.
Indoor
(Unit function Mode No. 20 setting No.3 , Indoor
Sub
unit
controller board SW-5-4 ON)
Outdoor
Main / Sub setting
unit
Main : Indoor controller board
SW5-3 : OFF
Sub : Indoor controller board
SW5-3 : ON
•
Each system operates alternately for 24 hours or 168
hours.
(Unit function Mode No. 20 setting No.1: 24
hours/No.2 : 168 hours, Indoor controller board SW 5-
4 ON)
Main / Sub setting
Main : Indoor controller board
SW5-3 : OFF
Sub : Indoor controller board
SW5-3 : ON
Features
performed once within 72 hours (can
be set in 1-hour increments).
time elapses following the start of
operation.
The time can be set from 30 minutes
to 4 hours in 30-minute increments.
63
Parts Required in Addition to Standard System
Components (Indoor/Outdoor Units, Remote Controller)
MA Remote controller
(PAR-21MAA)
This system can correspond only by
the pattern of two refrigerant group
by 1 : 1 (indoor and outdoor unit
combination) systems.
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Troubleshooting
