Gree FG20/BNa-M, Service Manual

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Duct Type Split Air Conditioner
Service Manual
Unit: mm
Models A B C D E F
FG40/BNa-M, FGR40/BNa-M 1780 1040 868 1450 347 555
1.4 Installation Clearance Data
Air supply
Air return
Suspender
Hook
Flat
washer
Spring
washer
Nut
installation of suspender
>1000
>1000
>560
1.5 Drain Piping Work
A
B
For easy drainage of the condensation water, It should be installed with a downward gradient. To avoid
ployed as shown above and the height of the water seal could be determined by the pressure of the drain hose.
Drain hose is in negative pressure state: A = B
≥
P/10+20 (mm).
Drain hose is in positive pressure state: A
≥
30mm, B
≥
P/10+20 (mm).
2 OUTDOOR UNIT INSTALLATION
2.1 Before Installation
1). After receipt of the unit, please check the unit for damage during transport. If there is external or
internal damage, please notify the company by written form.
2). After receipt of the unit, check and inspect the unit and accessories according to package list for
models, damage of unit body and specification and quantity of accessories.
3). Confirm conveying route and method of the unit to avoid damage to the unit and possible injuries.
For protection and safety of the unit, it is recommended to convey the unit together with the packing
container, even in special conditions.
4).
Check the installation foundation for firmness. If the unit is installed on the metal place, ensure electric
insulation and conformability to relative criteria.
5).
Ensure installation site away from the storage area with inflammable and explosive materials to avoid
explosion or fire.