Electrical Connections - Mitsubishi Electric k-con KSGD-01WS-B Installation And Operation Manual

Refrigerant leak detector
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2.2 Electrical connections

The KSGD connections are located on the rear of the detector PCB.
The KSGD will operate from a 12/24 volt AC or DC supply. Start-up current from a 24 volt AC supply
is 260mA with steady state of 100mA. A single plug on the PCB accepts all the electrical connections.
A small flat bladed screwdriver can be used to prise the plug away from the socket.
Dual relay version;
Pin
Usage
1
Power (V1)
12 to 24V
AC or DC
2
Power (V2)
3
Relay 1
(NO1) Normally
Open
4
Relay 1
(C1) Common
5
Relay 2 - (NC2) Normally
Closed
6
Relay 2
(C2) Common
Single relay version;
Pin
Usage
1
Power (V1)
12 to 24V
AC or DC
2
Power (V2)
3
Relay
(NO) Normally
Open
4
Relay
(C) Common
5
Relay
(NC) Normally
Closed
See section 3 for details on the relay operation and functions.
Relay(s) are energized in normal operation, the relay will de-energize if an alarm or fault
occurs or if power is not present. The tables above show the relay(s) in the de-energized
power removed state.
KSGD-01WS-B
Fig 2.2
KSGD dual relay version
5 4 3 2 1
Connection Terminals
Fig 2.3
KSGD single relay version
Test / Calibration
connector
Installation and operation manual
KSGD02 Revision: 1.4
Page 9 of 16

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