2 Installation
2-3. How to wire
PLU-70
- 16 -
Left side
PLU-70
Right side
Gas detector head
GD-70D
Dedicated
communication cable
2-3. How to wire
<Figure of Terminal Plate>
1 2
+ -
24VDC
<Connecting to the Gas Detector Head>
Connect the PLU-70 and the gas detector head using a dedicated communication cable extending from the PLU-70.
•
Install the PLU-70 on the left and the gas detector head on
the right when viewed from the front.
•
Before making the connection, ensure that the PLU
communication connector on the gas detector head is ready
for use.
•
The dedicated communication connector is a lock type.
Check that the connector is firmly locked when you attach it.
Unlock the connector before you detach it.
CAUTION
•
Be careful not to mistake the wall-mounted unit of the pyrolyzer unit with that of the gas detector head
GD-70D series because they have different numbers of terminals (2P for the PLU-70 and 10P for the
gas detector head).
•
Install wiring for the pyrolyzer unit in the same way as for the gas detector head. For "Specifications of
Terminal Plate," "How to Connect to Terminal Plate," "How to Clamp Cables," and "Grounding," see
the operating manual of the gas detector head GD-70D series and install wiring accordingly.
Use the dedicated
handling lever.
<Communication Cable Connector>
Lock
Insert the dedicated
communication cable
into the connector of
the gas detector head.
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