Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 151

[Procedure for exchanging the drain hose.]
1. Remove the drain hose.
¡ Loosen and remove the spring- ¡ Remove with your hand or a pair
type clamp.
¡ When conducting the central rear piping, use a nipper to cut out knock-
out holes in the installation board.
Drainage
¡ The drain hose must be fit with a downward slope.
¡ Do not set the drain hose like the following illustrations.
Too high
The end of the
drain hose is
touching the
water.
¡ Pour water in the drain pan below the heat exchanger and confirm that the water is drained outside.
¡ If the extension drain hose is indoors, make sure it is insulated using a shielding pipe (not supplied).
5) Securing the Indoor Unit to the Installation Board
Hook (2 locations)
Instalation
board
Wall
Indoor unit
base lower hook
2. Remove the drain cap.
¡ Use a hexagonal wrench to correctly
of pliers. insert the drain cap which was re-
moved in 2.
Caution: Be careful because if the cap
is not inserted property, water leak may
occur.
It curves like a wave.
The gap to the
ground is less
than 5 cm.
Shielding pipe
Drain hose
when a part of the extension drain hose is indoors
Indoor unit
Installation
board
3. Insert the drain cap. 4. Connect the drain hose.
¡ Loosen the spring-type clamp and
securely insert the drain hose.
Caution: Be careful because if the
cap is not inserted properly, water
leak may occur.
¡ Do not place the power supply cords
above the gutter, because the air
conditioner is structured in a way where
condensation on the back side is
collected in to the drain pan before
drainage.
under 5 cm
Smell from
sewerage drains.
The end of the
drain hose is
touching the
sewage drains.
Extension drain hose
Installing steps
1.Hook the upper part
of the indoor unit to
the installation board.
2.The unit can be installed
simply by gently push-
ing in the lower part.
SCM-HG (4 room)
Gutter
Wall
Pipes storage area
149