55
ED250
08-2018
DL4614-070
dormakaba ED250 IG Installation Instructions
Chapter 16
16.16 Set operator spring tension
16.16.2 Operator spring tension function
1. Spring tension sets closing force on door.
2. Required spring tension is based on door width.
16.16.3 Spring tension adjustment factory setting
1. Spring tension adjustment is factory set fully CCW,
no spring tension.
2. Spring has to be pretensioned per Para. 16.16.1.
Use 5 mm T handle hex key.
CAUTION
A minimum of ten spring tension revolutions
are required to operate system.
Fig. 16.16.1 Spring tension adjustment
1
Spring tension
adjustment
2
T handle hex key,
5 mm
Door width
Inches
36
42
48
mm
914
1067
1219
Spring setting
revolutions
ED250
14
14
18
16.16.1 Spring tension setting revolutions
2
16.17.1 Program switch installation.
1. Install program switch at customer or
contractor specified location.
2. Program switch panel and cables,
Ref Chapter 5, Accessory mounting kits
• Program switch
• RJ 45 communication cable
3. Program switch and RJ45
communication cable must be routed to
cement case accessory wiring conduit.
16.17.2 Double door program switch and
RJ 45 panel installation
1. Install program switch at customer or
contractor specified location.
2. Program switch panel and cable,
Ref Chapter 5, Accessory mounting kits.
• Program switch
• RJ45 communication cable
3. Install RJ45 plate assembly at customer
or contractor specified location.
4. RJ45 plate assembly and cable,
Ref Chapter 5, Accessory mounting kits;
• RJ plate assembly.
• RJ 45 communication cable
16.17.3 Optional key switch panels.
Reference Appendix B for key switch panel
wiring.
16.17 Install program switch panel
Install RJ45 plate assembly (double doors only)
10
9
8
11
11.1
Fig. 16.17.1 Operator communication ports
Fig. 16.17.2 Program switch panel and RJ 45
plate assembly
8
Program switch
connector
9
Double door
operator to
operator
communication
cable
10
Dorma Handheld
communication port
1