York YKHC 18 Service Manual page 37

Ceiling
Chart 5
B. New built houses and ceilings
a. In the case of new built house, the hook can be embedded in advance (refer to the A.b mentioned above).
But it should be strong enough to bear the indoor unit and will not become loose because of concrete shrinking.
b. After installing the body, please fasten the installation paper board onto the air conditioner with bolts
(M6X12) to determine in advance the sizes and positions of the hole opening on ceiling. Please first guarantee the
flatness and horizontal of ceiling when installing it.Refer to the A.a mentioned above for others.
c. Refer to the A.c mentioned above for installation.
d. Remove the installation paper board.
(2) Install The Panel
1) Remove the inlet grid.
a. Slide two grid switches toward the middle at the same time, and then pull them up. (Refer to chart 8)
b. Draw the grid up to an angle of about 45, and remove it. (Refer to chart 9)
Grid switch
Chart 8
2) Remove the installation covers at the four corners.
Wrench off the bolts, loose the rope of the installation covers, and remove them. (Refer to chart 10)
3) Install the panel
a. Align the swing motor on the panel to the tubing joints of the body properly. ( Refer to chart 11)
b. Fix hooks of the panel at swing motor and its opposite sides to the hooks of corresponding water receiver. Then
hang the other two panel hooks onto corresponding hangers of the body.
c. Adjust the four panel hook screws to keep the panel horizontal, and screw them up to the ceiling evenly.
d. Regulate the panel in the direction of the arrow in Chart11(4) slightly to fit the panel's center to the center of
the ceiling's opening. Guarantee that hooks of four corners are fixed well.
e. Keep fastening the screws under the panel hooks, until the thickness of the sponge between the body and the
panel's outlet has been reduced to about 4~6mm. The edge of the panel should contact with the ceiling well.
(Refer to chart 12)
Body
Bolt
Bolt M6X12
Chart 6
Chart 9
35
Central hole
Installation paper board
Chart 7
Chart 10