York YKCA 18 Installation & Owner's Manual page 9

b. Select the position of installation hooks according to the hook holes on the installation board.
• Drill four holes of 12 mm., 45 ~ 50 mm. deep at the selected positions on the ceiling. Then embed the
expandable hooks (fittings).
• Face the concave side of the installation hooks toward the expandable hooks. Determine the length of the installation
hooks from the height of ceiling, then cut off the unnecessary part.
• If the ceiling is extremely high, determine the length of the installation hook according to facts.
Necessary room
outlet inlet
Chart 1
Note: 18000-24000 Btu/h Series, A = 260 mm.
48000 Btu/h Series, A = 330 mm.
Body
Nut
Ceiling
880 mm.
Chart 2
Note: 18000-24000 Btu/h Series, B = 240 mm.
48000 Btu/h Series, B = 310 mm.
>1000 mm.
Chart 3
The length could be calculated from Chart 5
Length=H-181+L (in general, L=100 mm. and is half of the whole length of the installation hook)
c. Adjust the nuts on the four installation hooks evenly to ensure the balance of the body.
• If the drainpipe is awry, leakage will be caused by the malfunction of the water-level switch.
• Adjust the position to ensure the gaps between the body and the four sides of ceiling are even. The body's
lower part should sink into the ceiling for 10 ~ 12 mm. (Refer to chart 5).
• Locate the air conditioner firmly by adjusting the nuts.
Ceiling
Chart 6
outlet
ground
Hook
Panel
>1000 mm.
Body
A
Drain side
780 (Hook-location)
840 (Body)
880 (Ceiling hole)
950 (Panel)
Chart 4
Body
Bolt
M6 x 12
Chart 5
Chart 7
YORK INSTALLATION & OWNER'S MANUAL (EN) 035M80090-000
Tubing side
(Unit : mm.)
Central hole
Installation paper board
9
ENGLISH