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INST
ALLER'S
INSTRUCTION
P17 OF 46
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !
SYSTEM LAYOUT & INSTALLATION CLEARANCE
Indoor unit A
Indoor unit B
Indoor unit C
Indoor unit D
OVER 20"
OVER 10"
OVER 10"
OVER 8"
OVER 10"
OVER 2"
OVER 4"
OVER 4"
OVER 80"
CLEARANCE REQUIRED AROUND UNITS-FIVE ZONE-5
Indoor unit E
INST
ALLER'S
INSTRUCTION
P18 OF 46
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !
All Units Shall Be Installed by Licensed Contractor or Technician.
Read Manuals before Installation.
* The location and structure shall also be convenient for both installation and service.
* The location shall NOT be where discharge air and noise could bother your neighbor.
* The location shall NOT be somewhere drain may cause any damage to property or bother the neighbor.
* The location shall NOT be somewhere brazing work may cause fire or smoke to the materials around.
* The location shall NOT be somewhere near flammable gases.
* The location shall NOT be in or close to corrosive gases.
* The location shall NOT be somewhere children can access.
Check the unit for damage and missed parts or accessories. If damage is found or parts are found missing, call
the distributor right away.
Spin fan wheels or blades to check if and make sure they can rotate freely. If fan wheel scratches with housing,
call the distributor right away and do not to proceed with the installation before it is fixed.
Check the unit to make sure no foreign materials has been left in the unit.
Check all the parts and accessories that are needed other than those provided with the unit.
It is strongly recommended to only use YMGI supplied or recommended parts and accessories.
Be sure a properly sized circuit breaker is for the electric power to the units.
Pre-build the support platform on the ground or bracket for the wall before or during construction and before
installation. Refer to the table below for footprint dimensions.
Read installation instructions of all units thoroughly.
Ask rep./distributor/us anything you are not sure about.
Get your tools and parts ready for installation.
CAUTION & SUGGESTIONS TO FOLLOW PRIOR TO INSTALLATION
PIPING AND WIRING SIZES-UNITS
Unit
Connection Copper
Pipe Sizes
Min/Max.Length
+/- Elevation
Wires from Outdoor
to Indoor Unit
Mini. Wire Size
Outdoor-Indoor Units
Fuse Is Factory
Installed
09K
1/4+3/8"
15/50/30/15
N(1)/2/3/G
18AWG
At Indoor Control Board
12K
1/4+1/2"
15/50/30/15
N(1)/2/3/G
18AWG
At Indoor Control Board
18K
1/4+1/2"
15/75/30/15
N(1)/2/3/G
16AWG
At Indoor Control Board
1) The air inlet and outlet vent should be far from the obstruction, make sure that the air can be blown through
the whole room.
2) Select a position where the condensing water can be easily drained out, and the place is easily connected for
outdoor unit.
3) Select a location where children can not reach.
4) Select a location that is strong enough to support the full weight of the unit and the vibration so as not to
increase room noise while the unit is running.
5) Be sure to leave enough space to allow access for routine maintenance. The height of the installed location
should be 98.43 in or more from the floor.
6) Select a place about 1m or more away from TVset or any other electric appliances.
7) Select a place where the filter can be easily taken out.
8) Make sure that the indoor unit is installed with accordance with the dimension diagram.
SELECTION OF INDOOR UNIT INSTALLING POSITION
BASIC REQUIREMENTS FOR INSTALLING POSITION
* Place where strong heat sources, vapors, flammable gas or volatile objects are emitted.
* Place where high-frequency waves are generated by radio equipment, welders and medical equipment.
* Place where a lot of salinities such as coastal areas.
* Place where oil (machine oil) is contained in the air.
* Place where Sulfur gas is present such as areas close to hot springs.
* Other place with special circumstance.
INSTALLATION-LOCATION SELECTIONS
1/4+5/8"
15/75/30/15
16AWG
24K
N(1)/2/3/G
At Indoor Control Board
Installing in the following places may cause unit malfunction. If for some reason it is unavoidable, please
contact the YMGI technical support before installing the unit.