Preparing The Opener - Merlin Powerlift User Manual

For sectional doors using tension springs the minimum allowable height from the top of the
closed door to the ceiling is 280 mm.
The header bracket is to fit 200-300 mm above the top of the door at the centre or directly
above the torsion bar.
The door bracket is to fit in line with the top rollers in the top panel. It may fit vertically or
horizontally. A solid fixing point is required.
The overall length of the opener when assembled is 3150mm.
Clear space of around 600 mm is required behind the fully open door.
Door Locks
Existing door locks must be removed or disabled. (The opener or the door can be damaged if
you try to open a locked door).

Preparing the opener

Opener Light cover
Door bracket
Return pulley
Bulb Chain pack
Visor clip, battery
Door arm
transmitter
Hardware pack
Contents of the package
STEP 1: Check the contents of the pack-
age. Your package should contain: this
manual, a warranty sheet, one remote con-
trol transmitter (with clip andbattery in-
Header bracket
cluded), wall box pack, hardware pack,
chain pack, trolley, header bracket, door
bracket, door arm, L arm, return pulley as-
sembly, light cover, red release rope (with
manual release warning card), one heavy
Trolley
angle, two light angles and one assembled
L arm
door
Your hardware pack should contain: one
long clevis pin, one short clevis pin, two
clevis pin clips, three M8 bolts, one M8 hex
nut, three M8 nylok nuts, two black
head screws, two long
short
Pole & strapping
nuts, one
four
ers.
CAUTION Do not plug in the power
head to test it before installation. The
power head is shipped with the limit
switches set for a door in an open po-
sition. Operation before the correct
point in the installation process can
lead to a damaged door or opener.
5
/
1
/
1
machine screws, four
4
/
1
hex nut, one
4
/
5
lag screws, two
16
/
1
pan
4
coach bolts, two
4
/
1
flanged
4
/
1
square nut,
4
/
1
flat wash-
4