
023-064X Technical Manual
70-PHW-1018-R3.2 MTA 8.5 023-064X Refrigerant Leak Detector Manual.docx
7
Open a knock-out hole for wiring.
Wire the power on 24VAC+ and the common on 24VAC-
Wire the Sensor A signal output from AN1 and the signal ground on the G terminal
Make sure the jumper above the AN1 terminal is towards down to send 2-10V signal on the AN1 output
Place the AN2 jumper towards down to send 2-10V signal on the AN2 output
Place the according jumper towards up in the case you need to send 4-20mA signal on the output.
Dry contact wiring on the terminal block NO C NC to be connected to the manual pull station.
The jumper EOL is not used in this application and don’t have any effect.
Replace the cover and screws.
3
Local user settings
3.1 Sensor configuration
Press the right arrow button
to enter configuration
Use 0 AL1 to determine the threshold of Sensor A at which the relay should operate (default is
400ppm). Setting 1 A1Del is the set time (default is 30 sec), 2 A1Off is the reset time (default is 20 sec).
The relay reset by its own, there is no need to acknowledge an alarm.
To set the audible alarm use the 6 AL3, 7 A3Del and 8 A3Off
See section 3.2
Default display scale is R22 or R507 and it can be changed by the user.
To view the current settings on the model 023-064X, press right
until you reach the desired setting.
To modify press up
or down
. See section
To save, press left
and up
buttons at the same time. The appearance of **OK** will confirm successful save.
Example: To set the reading scale for R141b you have to change the gas type as follow:
Press right
to display the value for 57 Ref-A (hold arrow to speed up) then press up
to change gas type (see
available gas type and their ppm range at section
NC - Close contact when not in alarm
NO - Open contact when not in alarm
Common terminal