Aiphone Intercom System RY 18L User Manual

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  
Page 1  
 

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