Sanyo CHDZR09053, XMHX1252 Checking the Drainage, How to Install the Ceiling Panel Main unit

3-12. Checking the Drainage

After wiring and drain piping are completed, use the following pro- cedure to check that the water will drain smoothly. For this, pre- pare a bucket and wiping cloth to catch and wipe up spilled water.

(1)Connect power to the power terminal board (R, S terminals) inside the electrical component box.

(2)Slowly pour approx. 0.13 gal of water into the drain pan to check drainage. (Fig. 3-37)

(3)Short the check pin (CHK) on the indoor control board and operate the drain pump. Check the water flow through the transparent drain pipe and see if there is any leakage.

(4)When the check of drainage is complete, open the check pin (CHK) and remount the tube cover.

Water drain

XM

Over

3-15/16"

Plastic container	Drain pan outlet
for water intake	Water
		Fig. 3-37
	(Approx. 0.13 gal)

Amust be within the range of 33/64" to 45/64". (Fig. 3-38)

If not within this range, malfunction or other trouble may occur.

Be careful since the fan will start

CAUTION when you short the pin on the

indoor control board.
3-13. How to Install the Ceiling Panel	A

Main unit

Ceiling opening dimension

Checking the unit position

(1)Check that the ceiling hole is within this range:

23-5/8" × 23-5/8"

(2)Confirm that the position of the indoor unit and the ceiling as shown in the diagram. If the positions of the ceiling surface and unit do not match, air leak- age, water leakage, flap operation failure, or other problems may occur.

Ceiling side Fig. 3-38

Flap

Fig. 3-39

CAUTION	Screw
● Never place the panel face-down. Either hang it verti-	Latch
cally or place it on top of a projecting object. Placing it
face-down will damage the surface.

●Do not touch the flap or apply force to it. (This may cause flap malfunction.)

3-13-1. Before Installing the Ceiling Panel

(1)Remove the air-intake grille and air filter from the ceiling panel.

a) Slide the air-intake grille catches in the direction

Air-intake grille

Ceiling panel

1

shown by the arrows 1 to open the grille. (Fig. 3-40)

1 2

b) With the air-intake grille opened, remove the grille

hinge from the ceiling panel by sliding it in the

direction shown by the arrow 2 . (Fig. 3-41)

(2) Removing the corner cover

a) Remove the screws on the corner and slide the

Air-intake grille hinge

Fig. 3-40	Fig. 3-41
Corner cover	2

latches in the direction of the arrow 1 to discon-

nect the hinges (3 locations). (Fig. 3-42) Then,

remove the air-intake grille in the direction of the

1

Push

1

arrow 2 . (Fig. 3-43)

Ceiling panel

Corner cover

Fig. 3-42 Fig. 3-43

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