Aiphone NDR-40ARS Wiring Diagram System Used for Selective Door Release, NDR-20A-RS NE-NVP-RA

To convert RY-PA to N/C (normally closed) contact: Move one yellow wire from "NO" to "NC". (Internal connection, soldering required.)

WIRING DIAGRAM: SYSTEM USED FOR SELECTIVE DOOR RELEASE

NDR-20A-RS	NE-NVP-RA	NE-NVP-RA	NE-NVP-RA
1	Red	Red	Red
2				Leave green
3	Green	Green	Green
~	jumper	jumper	jumper	jumper intact
20	Blu	Blu	Blu
E	Pur	Pur	Pur
	Blk	Blk	Blk
S	Yel	Yel	Yel
H	Org	Org	Org

To activate door release, press button located above TALK button.

PS-2410A
		+
	+
	-	-

1	BLK	RY-PA	YEL				Closure for Station #1	Normally Open contacts
								are maintained when the
		#1
							Closure for Station #2	door release button is being
2			BLK	RY-PA	YEL
								pressed while a station
				#2
							Closure for Station #3	button is selected.
3						RY-PA
					BLK		YEL
~						#3
20	L						Common for each closure
External
Terminal Block							x	x
							AC Power
							for Door
							Releases

OPERATION:

*POWER SWITCH MUST BE ON FOR SYSTEM TO BE OPERABLE.

1.When a station calls in, press the selector button corresponding to the lit LED.

2.To speak to the person at the remote station, press the TALK button or pick up the handset. Release TALK button to hear reply. Communication via the handset is VOX (voice actuated).

3.If the extra contacts are used as shown in the "camera call-up" diagram, activating a device that is to remain on for the duration of the call, the station's relay will stay activated as long as the selector button is depressed.

4.If the extra contacts are used as shown in the "selective door release" diagram, press the "door release" button while the selector button is depressed. This will activate the corresponding relay as long as the button is being pressed, which will activate the door release mechanism.

5.When the conversation is completed, press the OFF button to the left of the station selector button. Hang up handset.

SPECIFICATIONS
Power Source:	24V DC at master. Use PS-2410A (NDR-10, 20) or PS-24E (NDR-30, 40).
Commun. Output:	500mW at 20 ohms
Communication:	Push-to-talk, release-to-listen (TALK button) or VOX handset at master.
	Hands free at sub station.
Calling:	Master to sub: By voice only after pretone.
	Sub to master: Call button on sub activates tone and LED at master,
	remaining active until answered.
Wiring:	2 conductors homerun to sub station, or loop multi-conductor with 1 common
	+ 1 individual wire per sub station on wire run.
	Separate 2 conductor from RY-PA to external device.
	Shielded cable is recommended. Use Aiphone #822202 (22AWG)
	or #821802 (18AWG) wire (2 cond.).
Wiring Distance:	420' with 22AWG; 1,000' with 18AWG.

Aiphone Communication Systems

1700 130th Ave. N.E.

Bellevue, WA 98005

(425)455-0510 FAX (425) 455-0071

For additional information about this system, please refer to the standard NEM instructions.

Toll Free Technical Support

Phone: 1-800-692-0200

FAX: 1-800-832-3765

Pg. 2

NDR-RS Instr.

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