22
ED50
08-2018
DL4614-140
dormakaba ED50 OHC Installation Instructions
Chapter 11
11 System accessories
Fig. 11.1.1 Electrical connections, single door
11.2.1 Overview
ED50 operators are normally used with
system accessories available from
dormakaba USA, Inc. or other
manufacturers.
11.2.2 Accessory electrical installation
Electrical interfaces from system
accessories used with ED50 operator
must be planned for. This includes routing
of wiring from accessories to overhead
concealed header.
11.2.3 System accessories, other
manufacturers
dormakaba USA Inc. cannot guarantee
compatibility for other manufacturer's
accessories. If any of these accessories are
used despite this caution, the operator's full
range of functions may be unavailable or
the devices may not work properly.
WARNING
Damage to ED50 operator or to
connected device is also possible!
11.2.4 Power for accessories
24 Vdc, 1.5 A (36 watts) is available from
the operator for external devices and
accessories. This supply has overcurrent
protection. If additional power is required
an external power supply must be used.
11.2.5 Miscellaneous accessories
1. Door status display, red, green.
11.2 System accessories
1
External program
switch, mechanical
2
External program
switch, electronic
3
Key switch
4
Pushbutton, night /
bank
5
Pushbutton, interior
6
Pushbutton, exterior
7
Door locking device
8
Manual release switch
9
ED50 OHC header
11.2.6 Activators
Typical activators:
1. Pushbuttons, key switches
2. Radio systems
3. Smoke detectors
4. Access control systems
5. Telephone systems
6. Intercoms
7. ED50 OHC header
TIPS AND RECOMMENDATIONS
Refer to Chapter 8, Technical data
for electrical interface
requirements.
11.2.7 Locking devices
Typical locking devices:
1. Electric strike plates
2. Electromagnetic locks
3. Electric locks
To insure that operator and locking device
work safely when connected together,
locking device must comply with following:
1. Operating voltage, power supply from
operator, 24 Vdc, ±5 %.
2. Operating voltage, external power
supply, 48 V DC/AC maximum.
3. Locking device relay contact, maximum
load, 1 A.
4. Electric strike plate duty factor, 30%
minimum.
5. Motor lock duty factor, 100%.
11.1 System accessory electrical connections, overhead concealed header
2
x 1
8
A
W
G
2
x 1
8
A
W
G
2
x 1
8
A
W
G
2
x 1
8
A
W
G
3 x 12 AWG
115 Vac power
2
8
4
5
3
2
x 1
8
A
W
G
7
9
2
x 1
8
A
W
G
8
x 18
A
W
G
1
2
x 1
8
A
W
G
6
