Vatech Green 21 PCT-90LH, User Manual

Page: 121 / 128

Appendix
EN
G
LISH
Determining the Height
Determine the screw height using the following formula.
H
screw height
=100 mm – d

100 mm: the minimum desired distance between ceiling and the top of the
equipment when the column is fully extended.

d = H
ceiling
- H
Max
= H
ceiling
– 2,185 mm (default max. height)
For example, if
H
ceiling
is 2,150 mm, H
screw height
value is calculated as follows:
d = H
ceiling
- H
Max
= 2,150 mm – 2,185 mm = - 35 mm
H
screw height
= 100 mm - d = 100 mm + 35 mm = 135 mm (If d is more than 100
mm, the column height limit is not necessary.)
d = 35
H
ceiling
= 2,150
H
Max
= 2,185
H
screw height
= 135