4
• Please wire the unit in accordance with a wiring diagram below as
power line and telephone line are wired externally.
• External power line - UL1015 AWG18(0.75sq) x 2C 400mm
External telephone lines
- UL1007 AWG22(0.3sq) 400mm
QWH35T-TI / QWH50T-TI
• Supply power to the product, and connect the telephone line (2 LINE) to the PSTN telephone line. (connected in parallel with the telephone)
• When the phone rings, a telephone controller recognizes a signal that activates a relay. Once the relay is activated, the sounder PCB is
powered on and sounder will be operated.
• Sounder will be stopped when an operator receives a phone call.
Telephone Line
'VTF
-
Fuse
+
-
Fuse
+
-
Fuse
+
-
Gray(GR)
Gray(GR)
White(W)
Black(BK)
Gray(GR)
Gray(GR)
White(W)
Black(BK)
Telephone lines(TEL)
Power
Gray(GR)
Gray(GR)
White(W)
Black(BK)
Telephone lines(TEL)
Power
Gray(GR)
Gray(GR)
White(W)
Black(BK)
Telephone lines(TEL)
Power
Gray(GR)
Gray(GR)
White(W)
Black(BK)
Telephone lines(TEL)
Power
Telephone lines(TEL)
Power
SESA - DC/AC
SEA - DC/AC
SNE/ SNES - DC/AC
SPNA-TI
QWH/ QWCD - DC/AC
Fuse
+
-
Wiring Instructions
Wiring method
