Aiphone PC-359B User manual

SYSTEM/MODEL: NEM

MODIFICATION: Installing PC-359B (or PC-454) with speaker and call button

COMPONENTS REQUIRED: 1. PC-359B or PC-454: Call holding circuit board, one per remote

speaker/call button

2. LT-1: 8 to 20 ohm transformer, one per remote speaker (Use

speaker with 1W handling capacity.)

INSTR/OPERATIONS: 1. If the existing speaker is 8 ohms, install the LT-1 transformer

with the BLUE wires to the speaker.

2. If the existing speaker is 45 ohms, install the LT-1 with the

RED wires to the speaker.

3. Make connections to PC-359B/454 as shown, being careful

not to short any exposed metal components on the PC board. (A

soldering iron and soldering skills are required for the PC-359B.

Wires are provided on the PC-454.)

4. Make sure that no moisture can come into contact with the PC

board when it is installed in its designated location.

REFERENCE DRAWING #: 0404-602

DIFFICULTY LEVEL: 4 - Moderate/hard - Internal connection or component addition.

Aiphone’s product warranty applies to products properly modified using these instructions.

However, if a unit is damaged as a result of improper modification, the warranty does not apply.

- INSTRUCTIONS -

The PC-359B call holding circuit board provides the latching function when a call is placed from a remote station on the

NEM series Lamp Memory System. With this circuit board, a speaker and a "Normally Open" call button can be used as

a remote station where a standard sub station cannot be used. The NEM system impedance is 20 ohms, so either use

a 20 ohm speaker, or an 8 ohm speaker with the LT-1 matching trasformer.

PC-359B

Call Holding Circuit Board for Non-Aiphone Speaker and Call Button with

NEM, NDR, NDRM Systems

Aiphone Communication Systems

1700 130th Ave. N.E.

Bellevue, WA 98005

(425) 455-0510

FAX (425) 455-0071

TOLL FREE TECHNICAL SUPPORT: (800) 692-0200

TOLL FREE FAX LINE: (800) 832-3765

E-MAIL: [email protected]

PC-359B Instr.

0404PHJS

SPECIFICATIONS:

Power Source: Supplied by Master Station (NEM, NDR, NDRM)

Speaker: Use 20 ohm speaker, or 8 ohm speaker with LT-1 transformer

Call Button: Normally open momentary contact

Mounting: Conceal behind speaker or call button

Terminations: Solder connections directly to PC board made by installer

Wiring: 2 conductor shielded (1 common and 1 individual wire per remote)

Wiring Distance: 420' w/ 22AWG, 1,000' w/ 18AWG

Dimensions (HxWxD): 3-3/16" x 1-1/4" x 5/8"

WIRING DIAGRAM:

PC-359/B

(solder side view)

To "E" terminal

of master

Speaker

"+"

To "#" terminal

of NEM master

To Speaker "-"

Add jumper

between "6" and "7"

Normally Open

call button

* Note that speaker connection is on inner land

pattern solder pad, not the one closest to the edge.

** When using an 8 Ωspeaker, add the LT-1

transformer shown below.

** 20 Ω

speaker

20 Ω (red)

LT-1

8 Ω(blue)To PC-359/B. To 8 Ωspeaker.

WIRING DIAGRAM

Call Holding Circuit Board for the NEM System

Connection of speaker, call button, and wiring to master

Using PC-454

Drawing Name:

PC359B~454

0404ph

PC-454

(component view)

To "E" of master

(jumper together)

To 20Ωspeaker "-"

To 20Ωspeaker "+"

To corridor lamp

(remove 1-3 jumper)

To "#" of master

& Call button

To Call button

Green

Black

Gray

White

Blue

Red

Orange

Purple

11 10 9 8 7 6 5 4 3 2 1

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