– 21 –
5. Bathroom call sub station: NHR-3TS
WIRING DIAGRAMS
4. Bedside sub stations w/Corridor lamp & Bathroom Pullcord

Take G terminal to earth ground on 2

PS-24E or PS-2420 power supplies.

PS24
NHX-80X

Bedside Sub stations: NH-1SA/A, NH-1SA,

NH-2SA/A or NH-2SA Staff Call

6(3P)
1
3
3
120V AC
PS24
Trunk 1
Trunk 8
Men
Women
29

Bathroom Call

10
33
3
3
3
NHR-4A NHR-4A
NHR-7A NHR-7A
NHR-7A
NHR-7A
NHR-3TS NHR-3TS
NHX-80X

CCU

To Subs

block 1

ZL
Z1
1
2
3
4
5
6
11
12
13
14
15
16
(any zone)

Bedside Sub stations: NH-1SA/A, NH-1SA,

NH-2SA/A or NH-2SA

12

Each pair:
polarized
ZL
1
2
3
4
5
6

Corridor lamp

Bathroom pullcord

(mechanical lock)

Master-CALL LED
E
NHR-4A
NHR-7A
CN1
CN2 Purple
Purple
Brown
Red
Orange
Blue
Yellow
Green
WL
RL
E
TC
TL
White
Red
Brown
Green
Yellow
Blue
Blue
Green
Yellow
Blue
Orange
Red
LED
CN2
CN1
Brown
Red
Orange
Orange

LC terminal is not used (not shown).

NHX-80X
NHR-3TS
NHR-7A
NHR-7A
NHR-7A
NHR-7A

CCU

As many pullcords needed

can be connected to NHR-3TS.

(*1) On NHR-3TS for staff call, remove

the red cap on lamp inside.

Urgent staff call must be white

blinking light.

(*2) LC terminal is not used (not shown).

Urgent call switch

mechanical lock

TC1
TL1
E
TC2
TL2
ZL
Z1
1
2
3
4
5
6
11
12
13
14
15
16
(any zone)

9

Each pair:
polarized
1
2
3
4
5
6
Master-CALL
lamp
Master-
CALL
LED
(*1)white

Staff Call (corridor) Bathroom call (common area)

Men
Women
NHR-3TS

10

redred
TC1
TL1
E
TC2
TL2
ZL
CN1
CN2
CN1
CN2
LED NHR-7A
LED
LED
Blue
Green
Brown
Red
Orange
Yellow
Green
Blue
Purple
Blue
Yellow
Brown
Yellow
Green
Blue
Purple
Red
Orange
Yellow
Green
Blue
Blue
Yellow
Green
Green
Blue
Yellow
Blue
Blue
Blue
Green
Yellow
Blue
Blue
LED
LED