Aiphone LAF-C CONSOLE MASTER LAF-20C Instructions Manual Download Page 5

Pg. 5

WIRING DIAGRAMS

+

-

PS

-

122

5UL

3e.  SINGLE MAST

ER 

SYSTEM WITH ALL CALL

1

2

3

~

10

11

12

~

20

C

E

-

+

R

Y

P1

P2

P3

LAF-2

0CA

LE-BN

1

E

-

LE-BN

LE

-BN

1

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1

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LE-BN

1

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-

BG-10C #1

BG-10C #2

1

2

~

10

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-

+

R

Y

P1

P2

P3

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NP

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5

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NP

-25

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+

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122

5UL

LE-BN

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LE-BN

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DC IN

NOTES:

1

.  Any LE-

or LS-

seri

es sub

 statio

n can

 b

e use

d.

2.

  C

apa

cit

o

fo

r Al

l Ca

ll 

is 

Aip

h

on

e

 mo

de

l N

P

-25

V

: 33

µf

d,

 25

V, 

no

n-p

ol

ar

iz

ed

.

   

  Capacitor 

must

 be 

insert

ed in

 se

ries be

tw

ee

n BG-1

0C

 a

nd

 the

 n

umb

er te

rmina

l on

 the

 master sta

tio

n

 tha

t is 

wi

red

 to a stan

da

rd

 sub statio

n.

3.  Backgr

o

und music 

ca

n be 

distributed throughout 

the system via 

the 

B

G

-10C(s). 

 Music 

source 

must provide 

a

n AUX (10

K

 o

hm) ou

tp

ut.   

Mu

sic is di

stri

buted

 to

 the

 master sta

tio

n

 thro

ug

h th

e "C"

 termi

na

l, 

sh

owe

wi

red

 to "1

1" a

bove

.

4.

  Ea

ch 

BG-1

0C

 ca

pro

vi

d

e mu

sic 

an

d/

or 

All

 C

all

 to

 as ma

ny

 a

s 11

 su

b or 

mast

er 

sta

tio

ns

.  

In

clu

d

e a

s ma

ny 

adaptors and power suppli

es as necessary 

to provide enough ou

tputs 

to the stati

ons in the system.

5

.  Do no

t co

nn

ect 

"+

" termin

al

 b

etwee

n mul

tip

le

 BG-1

0C ad

ap

to

rs.  

AU

X

1

2

~

10

11

E

-

+

R

Y

P1

P2

P3

+

-

R

E

L

E

DC

 IN

AU

X

To

 AUX (

10K 

oh

m)

 out

pu

t o

mu

sic so

urce

Summary of Contents for LAF-C CONSOLE MASTER LAF-20C

Page 1: ...y of sub stations available Surface or flush mount with or without privacy LE A LE AN LE B LE BN Weather resistant door stations LE D LE DA LE DL Vandal proof sub station LS NVP B SBX NVP surface mount box Selective calling to sub stations and master to master communication Subs call in with momentary tone and LED remaining lit for approximately 20 seconds Optional All Call additional equipment re...

Page 2: ...ire is recommended Use the proper gauge for the distance being run Wiring between masters must be a multi conductor cable If more than one cable is used to connect masters the E C and number terminal wires must be in the same jacketed cable If necessary run multiple E wires one in each cable Wiring Method Run intercom cables at least 20 away from all AC wiring fluorescent lights dimmer switches an...

Page 3: ...tors at master station One SA 1 is required for every two wires connected to master 1 2 3 19 E C 20 R Y P1 P2 P3 LAF 20CA PS 1225UL LE DA 1 E LE DA LE DA 1 E 1 E LE DA 1 E LAF 20CA 1 2 3 19 E 20 C R Y P1 P2 P3 Master to master communication is shown on channel 20 of each master Y P1 P2 P3 terminals used only if All Call Adaptors are included WIRING DIAGRAMS WIRING NOTE The following sub stations a...

Page 4: ...t sub and E and terminals are jumpered at master LS NVP Red Blk Grn LS NVP Red Blk Grn LS NVP Red Blk Grn Master to master communication 3d MASTER STATION WITH ADD ON SELECTOR 1 2 3 20 E R X1 X2 X3 X4 X5 X6 X7 X8 LAF 20CA PS 1225UL LE D 1 E LE D LE D 1 E 1 E LA 40AS 1 2 3 40 WIRING NOTE The following sub stations are wired as shown above LE A LE AN LE B LE BN LE D LE DA Blk Yel Org Gry Brn Red Wht...

Page 5: ...number terminal on the master station that is wired to a standard sub station 3 Background music can be distributed throughout the system via the BG 10C s Music source must provide an AUX 10K ohm output Music is distributed to the master station through the C terminal showed wired to 11 above 4 Each BG 10C can provide music and or All Call to as many as 11 sub or master stations Include as many ad...

Page 6: ...ton 3 All Call is a one way outgoing announcement only If a station wishes to respond they must press their call button and the master station can then answer the call as described above 4 If background music is included the music will be heard on the system while it is not occupied When any master station selects a station to place or answer a call the music will be muted throughout the entire sy...

Page 7: ...ving to select a station 6 Make sure all black OFF buttons on master s are off pressed down Check R wire for short to ground If occupied light remains lit with R wire disconnected from master internal damage has occured and the unit must be sent in for repair 7 Make sure station number wires aren t shorted together Remove all jumpers between E in multi master or 3 wire system Test master by taking...

Page 8: ... conditions such as lightning storms may cause damage to LAF C equipment We recommend that power surge protection be installed to minimize potential component level damage Install the SA 1 surge arrestor as shown to protect the power supply from a surge Additional SA 1 surge arrestors should be installed on all communication lines one SA 1 for every two wires connected to master See diagram 3a SA ...

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