4 How to Use
4-5. How to wire
RP-D58 Series
- 28 -
<Grounding>
Connect the detector head
to your grounding terminal with the external grounding terminal.
<Wiring Example>
Connecting to the indicator/alarm unit
(Fault alarm
contact)
*2
*1 The terminal plate number depends on the indicator/alarm unit. For details, see the operating manual of
the indicator/alarm unit.
*2
When use indicator for fault alarm contact from RP-D58, please use these terminal plate.(Low flow rate
contact is optional of EC-5002,OX-5002,RM-5002,and RM-5001.)
3
5 6
1
RP-D58·AC
EC-5002+5000-02W,
etc.
2
4
TN2
TN1
3
4
Detector
head signal
Pump power
supply
100 - 110
VAC
2
1
WARNING
Before turning on the pump unit, do not forget to connect it to a grounding terminal.
For stable operation of the pump unit and safety, it must be connected to a grounding terminal.
Do not connect the grounding wire to a gas pipe.
The grounding must be made as D type grounding (below 100
Ω
of grounding resistance).
For the grounding wire, use cable lugs to safely connect it to a grounding terminal without looseness
or twist.
To connect the grounding wire to the internal grounding terminal of the unit, use a crimped
terminal to which a wire with a cross-section area of 4 mm
2
or more can be attached.
Pump power
supply
100 - 110 VAC
Detector
head signal
(Fault alarm
contact)
*2
3
5 6
1
RP-D58·AC
2
4
TN2
TN1
11
12
EC-5002+5000-SR,
etc.
