8
Figure 4
W/BL
BL/W
W/O
O/W
W/GR
GR/W
W/BR
BR/W
W/S
S/W
R/BL
BL/R
R/O
O/R
R/G
G/R
R/BR
BR/R
R/S
S/R
BK/BL
BL/BK
BK/O
O/BK
BK/G
G/BK
BK/BR
BR/BK
BK/S
S/BK
Y/BL
BL/Y
Y/O
O/Y
Y/G
G/Y
Y/BR
BR/Y
Y/S
S/Y
V/BL
BL/V
V/O
O/V
V/G
G/V
V/BR
BR/V
V/S
S/V
A
B
C
D
E
F
V-1109RTHF
CONNECTING BLOCK
T
R
BB
BG
AB
AG
SPK9
RET
SPK1
RET
LED 9
LED 1
COLD
WATER PIPE
GROUND
-
+
T
R
T
R
45 OHM
TALKBACK
SPEAKER
NOTE 1
NOTES:
NO MORE THAN 2 TALKBACK
SPEAKERS PER ZONE
ELECTRICAL DEFINITIONS
AG: TALK GROUND
AB: -24VDC TALK BATTERY (FILTERED) -24VDC
BG: SIGNAL GROUND (+)
BB: SIGNAL BATTERY (NON FILTERED) -24VDC
LB: 10VAC
LG: 10VAC GROUND
LB
L
LG
MULTIPLE TO
ALL INTERCOM
STATIONS
REFER TO FIGURE 6 FR DETAILED
CONNECTION OF LAMPS
TIP
RING
LAMP
GND
LAMP
A-LEAD
TELEPHONE
KEY BUTTON
INH
RESISTOR
10K OHM 5%
1/4 WATT
REFER TO FIGURE
4-6 FOR DETAIL
CONNECTION OF
A-LEADS
45 OHM
VALCOM
TALKBACK
SPEAKER
W/
OPTIONAL
LED
NOTE 1
LG
10VAC
AG
AB
BG
BB
KEY SYSTEM POWER SUPPLY
1.