1-1 CHECK ITEMS BEFORE TEST RUN
01-01
1. TEST RUN
Before test run, check the following items.
Outdoor
unit
(Slave 2)
3 50Hz
380-415V
1 50Hz 220-240V
1 50Hz
220-240V
Wired remote controller
Transmission line
Central remote
controller
Outdoor
unit
(Master)
Outdoor
unit
(Slave 1)
Indoor
unit
Indoor
unit
Installation
location
Installation
environment
Outdoor unit
Indoor unit
Outdoor unit
Indoor unit
Select a place where noise and vibration will be low.
Select a place to provide adequate strength.
Fasten the outdoor unit securely.
Install the outdoor unit in a location
where it will avoid getting wet from rain.
Install the unit where it will not be tilted by more than 3deg.
The work space to repair is secured enough.
If possible,do not install the unit
where it will be exposed to direct sunlight.
Select a place where noise and vibration will be low.
Select a place to provide adequate strength.
Fasten the outdoor unit securely. (Should not drop.)
The Service hole is secured specified position
and appointed size.
DESIGN&TECHNICAL DATA
4-5 DIMENSIONS
DESIGN&TECHNICAL DATA
6-1-1 INSTALLATION OF OUTDOOR UNIT
DESIGN&TECHNICAL DATA
3-5 INSTALLATION SPACE
4-5 DIMENSIONS
The work space to repair is secured enough.
Installation
condition
Outdoor / Indoor unit are installed based on specifications.
(Ex. In the same refrigerant system,difference in height between
outdoor units and indoor units.
In the same refrigerant system,difference in height between
outdoor unit and outdoor unit.
In the same refrigerant system,difference in height between
indoor units and indoor units.)
INSTALLATION MANUAL
2-1 SELECTING THE MOUNTING POSITION
INSTALLATION MANUAL
SELECTION THE MOUNTING POSITION
(Compact Duct Type)
SELECTION THE MOUNTING POSITION
(Duct Type)
SELECTION THE MOUNTING POSITION
(Wall Mounted Type)
Section Description
Check
field
check item Standard
Piping
Use the piping size,material and thickness
as per specifications.
DESIGN&TECHNICAL DATA
6-2 PIPING DESIGN
The Separation tube as per specifications
are used correctly.
( Ex. Piping size, Installation angle )
DESIGN&TECHNICAL DATA
6-2-4 PIPE SIZE
INSTALLATION MANUAL
3-2 OPTIONAL PART
DESIGN&TECHNICAL DATA
6-2-3 LIMITATIONS
The piping length is within the limits of specifications.
There are not impossible bending and crushing of piping.
There are no gas leaks.
Draw a vacuum enough with a vacuum pump.
Charge a suitable amount.
Using a special R410A gauge manifold and charging hose.
DESIGN&TECHNICAL DATA
6-2-6 ADDITIONAL CHARGE CALCULATION
Fully open respective stop valves on liquid, gas, oil.
Additional refrigerant
charge
3 way valve
Seal with nitrogen up to 4.15 Mpa.
After 24 hours, check that the pressure
has not fallen by leak.
Vacuuming
When -76 cmHg is reached, operate
the vacuum pump for at least 1 hour.
Piping length
Gas leakage check
Piping size,material
and thickness
T-shaped tube kit and
Separarion tube kit
specification
Section Description
Check
field
check item Standard
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