Vertical Express ICON 32, Product Manual

Page: 71 / 220

ADJUSTMENT
Vertical Express Product Manual 2-31 88500 v.1.0
Adjustment Section I-2/I-3 Valve - Final Adjustments
Valve Adjustment Down Section
(continued)
Down Start
1. Place the controller on Automatic Operation.
2. Adjust the Down Start to obtain a smooth start. Ensure that the car achieves full
speed on a one-floor run. If not, make Down Start more positive. See Figure 9 on
page 2-27.
Down Slowdown
Make the Down Slowdown adjustment in very small increments as soon as a change
is observed in the leveling zone. The car will overshoot the landing if the adjustment
is turned out too far.
1. Turn Down Slowdown out in small increments until the car has a leveling zone of
3–4 inches. See Figure 9 on page 2-27.
2. Determine the stabilized leveling zone. The stabilized leveling does vary some
between runs with the I-2/I-3 Valve.
a. Note the average of 5 runs.
b. Adjust the Down Slowdown and Down Leveling speed (as necessary) to
achieve an average of 3-4 inches of Down Stabilized Leveling and 10-12
FPM of leveling speed.
3. Run the car down on Inspection Operation to recheck down leveling speed, and
readjust Down Leveling, if necessary, for 10–12 FPM.
• It may be necessary to slightly alter the point in the hoistway where the
slowdown is initiated to achieve optimum valve and car performance, P17
(Up) and P18 (Down).
• For slowdown interactions related to stabilized leveling, see the I-2/I-3 Valve
Reference on page 5R-7.
Floor Stop Adjustment - Master Floor
This procedure applies to three-stop jobs and higher, and verifies that the valve is
stopping the car at the master floor the identical way in both directions. Do not worry
about floor level accuracy in this procedure, because the floor levels will be adjusted
in the Floor Position & Leveling Magnet Adjustment on page 2-34.
1. Select a master floor close to the middle of elevator travel.
Down Start
IN (cw)
Start Smoother
Down Slowdown
OUT (ccw)
Shorten Leveling Zone
Increase Leveling Speed
Softer Up Slowdown