Form C Relay for 12-18V DC Intercom Systems with Door Release
- INSTRUCTIONS -
The RY-18L Door Release Relay Module is an interface between the door strike contacts on the Aiphone unit and the
actual release mechanism. The contact ratings on Aiphone units vary, and are all Normally Open. If your strike or
maglock is a higher voltage or draws more current than specified for the unit, the RY-18L is required. It provides either a
Normally Open contact for an electric strike, or a Normally Closed contact for a magnetic lock. The contact rating
supports a majority of door release hardware available on the market. This relay is recommended with all MK and JF
systems when using the single door release feature, and for the LEM-1DL or LEF systems when connecting a maglock.
INSTALLATION:
1. Install in a suitable location, either near the power source for the door release mechanism, or behind the intercom.
2. Secure wire connections with proper termination, such as wire nuts or crimp connectors.
3. Trim the wires to the desired length.
4. Cut the unused contact wire so the bare strands are not exposed.
RED: L/RED
BLK: (-) Neg.
BRN: Common
ORG: N.O.
YEL: N.C.
RY-18L COLOR CODE:
Input of Relay:
WIRING DIAGRAMS:
Red:L/RED, Postive trigger
Gray:(-) NEGATIVE
Output of Relay:
LE-Series Sub
LEM-1DL
1
1
Brown:COMMON
Orange: N.O. Contact
Yellow:N.C. Contact
(See contact rating specs on
back page)
E
E
-
PT-1210N
+
-
~
~
Leave jumper
between E and -
attached
LOCK
POWER
+
-
EL
EL
MK-SERIES BLACK & WHITE VIDEO SYSTEM
MK-Series
MK-1GD
RY-18L
Door Station
MK-2MCD
A1
A2
A1
A2
Magnetic Lock
Red
Gry
COM
N/C
Brn
B1
B2
Org
Yel
S
S
Use Brown & Yellow wires
when connecting to Maglock.
PS-1820UL
DC 18V
MAGNETIC LOCK WIRING METHOD:
(Normally Closed contact)
Lock Power: Power source for Magnetic Lock
When using 12-18V DC power, use the RY-18L.
When using 24V DC power, use the RY-24L.
+
-
+
-
Add
jumper
wire
from L
to +
LOCK
POWER
.
DR REL
+ -
Gry
L
L
Red
Brn
Org
COM
N/O
N/C
Yel
Use Normally Open
contact for electric strike
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