7
ED250
01-2018
DL4614-080
dormakaba ED250 IG Service Manual
Chapter 4
7
8
6
3
2
1
5
9
4
10
Fig. 4.2.1 ED250 in-ground case component view
1
ED250 in-ground
case
2
Gasket, 1/8" thick
3
8-32 x 3/4" FHMSPH
(flat head machine
screw, Phillips)
4
ED250 operator
5
PCB bracket
assembly
6
Operator drive axle
7
Center bearing
shaft
8
Shaft seal
9
Spring tension
adjustment
10
PVC reducer fitting
4.2 ED250 in-ground cement case internal assembly
Fig. 4.2.2 ED250 operator
Fig. 4.2.3 ED250 PCB bracket assembly
1
PCB bracket
1.1
PCB plate
1.2
PCB plate cover
2
Accessory
connection terminal
board
3
Power off/on switch
and 115 Vac
connection board
3.1
115 Vac terminal
block and
connection board
4
Keypad and 2 digit
display
5
Circuit board
6
Braking circuit plug
receptacle
7
Power fail closing
speed
potentiometer
8
Program switch
connector
9
Double door
operator to
operator
communication
cable port
10
Dorma Handheld
communication port
11
Upgrade card slot
11.1
Upgrade card
socket
12
1/4 x 1/2" x 1/2"
SHCS
13
Ribbon cable
Fig. 4.2.5 115 Vac terminal block and wire
harness assembly
3
3.1
115 VAC
Neutral
Fig. 4.2.4 Operator communication
connectors, upgrade card slot
6
9
3
2
5
6
7
1
11
2
10
9
8
1.1
1.2
(7)
12
13
10
9
8
11
11.1
4