6
7
3
Installation
Fit the Mounting Bracket attached to the
Transmitter with the Fitting Screws.
1
Install the Mounting Bracket on the wall
and so forth. For mounting pitch, refer
to the Fig. to the right.
Installation
1
125mm
186mm
(Mounting Hole
Φ
9)
・
Install the Transmitter at a place ventilating well and avoiding direct sunlight.
・
Install the Transmitter with Mounting Bracket.
・
Close the Cover securely after installation is completed.
CAUTION:
・
If there is a projection on the mounting surface, separate
40 mm or more from the upper Mounting Holes of the
Mounting Bracket (See Fig. to the right).
40 mm or more from the
center of the upper
mounting holes
CAUTION:
2
・
Make sure that the Circuit Breaker is normal (OFF) position (Refer to [8]
Troubleshooting).
Wiring
①
−
⑳ ・
Compatible cable diameter with the Cable Clamps is 6
to
8 mm.
①
−
⑦ ・
Use a shielded cable with nominal sectional area of 0.2
to
1.25 mm
2
for the
Detector Cable.
・
For extension of the Detector Cable, refer to [3] Detector Cable Extension. Use
a device such as a Pull-box if necessary.
⑨
−
⑩
・
Use a shielded cable with nominal sectional area of 0.75 to 1.25 mm
2
for a
Signal Output Cable.
・
For connection to the Signal Output terminal, load resistance should be 300
Ω
Max (including wiring resistance).
⑪
−
⑯
・
For connection to the Self Checking Relay Output terminal and Alarm Relay
Output terminal, load resistance should be 240 VAC and 1A Max.
Although a protective circuit is built in to prevent from overcurrent due to
thunderbolt, it is recommended to use fuses with rated current of 2A Max for the
purpose of improvement of safety.
⑱
・
Carry out grounding work.
⑲
−
⑳
・
Use a cross-linked polyethylene insulating vinyl sheath cable with nominal
sectional area of 0.75 to 1.25 mm
2
for the power cable.
・
Use a circuit breaker with rated current of 2A or more for the power source of
the SC-T4.
2
・
Keep the Power off during wiring operations. Otherwise it may cause fire or an
electric shock.
・
Wire the Power Cable, at the end of wiring operation.
CAUTION:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
F.G.
Spare
Spare
Calibration Signal Output
Alarm Relay
Alarm Relay
Alarm Relay
Self Cheking Relay
Self Cheking Relay
Self Cheking Relay
Self Checking Input
Analog Signal Input
Analog Signal Output
Analog Signal Output
Analog Signal Input
Power Supply
Power Supply
12V Power Supply
12V Ground
Shield Line
(Blue)(Brown)(Black)(White)(Green) (Red)
COM
NC
NO
COM
NC
NO
−
＋
−
＋
−
＋
Control Panel
etc.
Detector
AC100 240V
50/60Hz
Recorder
etc.
Self Checking
Relay Output
Alarm
Relay Output
4‑20mA
〜
Controller Terminal Block
Reference:
・
When the Detector is in the air, analog (4-20mA) signal output becomes
approximately 5mA.
