Munters Corporation
4215 Legion Dr. Mason, MI 48854-1036 USA
(517) 676-7070 Fax (517) 676-7078
FORM: QM1215
April 2007
Page 1 of 4
POTENTIOMETER KIT
FOR BA4xxx
AC1425
Before beginning installation, check the overall condition of the equipment. Remove packing materials, and
examine all components for signs of shipping damage. Any shipping damage is the customer's responsibility
and should be reported immediately to the freight carrier.
UNPACKING THE EQUIPMENT
When replacing other Potentiometer Kits follow step 1 - 4, When adding AC1425
kits to BA4xxx without previous kits follow steps 5 - 8.
1) Remove bolt connecting beaded chain to BA4xxx cable pull bar.
2) Remove the chain from the bolt and reinstall the bolt to pull bar but do not tighten.
(This can be reused to attach new potentiometer cable to the pull bar.)
3) Remove the (3)
1
/4 - 20 x
3
/4" bolts holding the potentiometer bracket to the BA4000.
See Figure 1.
INSTALLATION INSTRUCTIONS
Figure 1
WARNING
!
High Voltage,
disconnect power
before installation.
Each Box includes:
1 - Celesco Potentiometer
1 -
5
/16" - 18 x
3
/4" Bolt
1 -
5
/16" Keps Nut
2 -
1
/4" - 20 x
3
/4" Bolt
1 - Zip Tie
1 - FC1205 Terminal Block
3 bolts to be removed
side mounted to ceiling or
wall
Door side
Motor end of actuator
aerotech
R
Munters Corporation
4215 Legion Dr. Mason, MI 48854-1036 USA
(517) 676-7070 Fax (517) 676-7078
FORM: QM1215
April 2007
Page 2 of 4
4) Install the
5
/16" - 18 x
3
/4" bolts and
5
/16" Keps nut (provided) into the hole where the
1
/4" - 20 x
3
/4" bolt was
removed from the lower bulkhead. See Figure 2.
5) If the actuator already has the holes described below, then proceed to step 6.
Using a
9
/32" drill bit, drill (1) hole at the 11
5
/8" from the motor end of BA4000 and 2
1
/2" from the top edge of the
door opening. Drill a second hole 13
1
/8" from the motor end of the BA4000 and 2
1
/2" from the top edge of the
door opening. See Figure 3.
Figure 2
New
5
/16" -18 x
3
/4" bolt
Figure 3
9
/32" Dia. holes
11
5
/
8
"
2
1
/2"
1
1
/
2
"
Door side
Door side
Motor end of
actuator
Munters Corporation
4215 Legion Dr. Mason, MI 48854-1036 USA
(517) 676-7070 Fax (517) 676-7078
FORM: QM1215
April 2007
Page 3 of 4
6) Position the Celesco potentiometer in the inside of the BA4000 over the new holes new holes with the cable
coming exiting potentiometer and attaching to the cable bar). From the outside of the BA4000, screw the (2)
1
/4 -
20 x
3
/4" bolts provided through the new holes and into the threaded insets of the Celesco potentiometer bracket.
See Figure 4.
7) Feed the loop end of the Celesco potentiometer cable through the hole in the lower bulkhead (See Figure 5)
and slip over the bolt that was left in the pull bar from Step 2. Snug this bolt, do not over tighten. A Zip Tie is
provided for an alternate method of attaching the looped end to the pull bar.
Celesco potentiometer
1
/4" - 20 x
3
/4" bolts
Celesco Potentiometer Cable
Figure 4
Figure 5
Munters Corporation
4215 Legion Dr. Mason, MI 48854-1036 USA
(517) 676-7070 Fax (517) 676-7078
FORM: QM1215
April 2007
Page 4 of 4
8) Attach the Celesco potentiometer wires to the terminal block. Red wire to red wire, green to white and black to
black. See Figure 6.
Figure 6
Terminal Block in actuator
Cable from new Celesco
potentiometer
Red
Green
Black
Red
Black
White Exisiting wires to existing control
or
New wires to control
/