Toa PC-2668 - Manual (Page 2)

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URL: http://www.toa.jp/
Push-in connector
Ceiling
Speaker cable
2
3
Step 2. Insert one V-shaped spring into the spring catch of the
bracket by squeezing it.
Step 3. Insert the core wire of the speaker cable straight, fully into
the round hole in the push-in connector according to the
indication on the connector.
Notes
• The push-in connector allows star wiring or bridging
wiring.
• To disconnect the speaker cable, pull it out while holding
down the push-in button.
[Applicable speaker cable and cable end treatment]
• Speaker cable
600 V Vinyl-insulated cable (IV wire or HIV wire)
Solid conductor (copper): ш 0.8 – ш1.2 mm
(AWG 20 – 16)
Stranded conductors (7-core, copper): 0.75 – 1.25 mm 2
(AWG 18 – 16)
• Cable end treatment
Step 4. Insert the other V-shaped spring into the other spring catch
in the same way as step 2, then push the speaker straight
up toward the ceiling.
Note
Be sure to install the speaker without leaving a gap between
the ceiling surface and the speaker. Otherwise, birds, dirt or
other foreign objects get inside the speaker, causing the
speaker to malfunction.
Note: The figures in steps 2 – 4 show an example of installing the speaker to the mounting bracket secured to the ceiling.
Push the speaker upward into position.
4. INSTALLATION
Step 1. Fix the supplied mounting bracket to the ceiling.
Two types of screws shown below are supplied with the speaker. Use these screws properly depending on the
installation location.
[Direct mounting to the ceiling] [Mounting to the ceiling through an electrical box]
Tapping screw 4 x 20 (accessory)
Speaker cable
Mounting bracket
(accessory)
Ceiling
Machine screw M4 x 35
(accessory)
Speaker cable
Mounting bracket
(accessory)
Electrical box
(mounting pitch: 63 – 91 mm
or 2.48" x 3.58")
Ceiling
5. WIRING DIAGRAM (SCHEMATIC DIAGRAM)
Note
Use a strip gauge near the
push-in connector.
Approx. 9 mm (0.35")
6.7 kΩ
13 kΩ
3.3 kΩ
1.7 kΩ
3 W (1.5 W*)
6 W (3 W*)
COM
(White)
(Black)
* 70 V line applications
(Brown)
Matching transformer
Terminal
Bridging terminal
COM