MovinCool CM25 Service Manual - Manual (Page 33)

Operation Section
33
5.6 Warning Signal Connection (Output Signal Terminal L+ and L-)
• The unit is equipped with a warning signal output relay type (Form-C, normal open dry contact)
that can be used to monitor the failure condition.
• The relay contactor is closed when the following conditions have occurred:
- Condensation overflows
- Temperature sensor fails
- Cooling function fails
• The relay output contactor is rated 2 A at 30 VDC or 2 A at 30 VAC maximum with resistive load,
and is compatible with various warning devices such as alarm speakers, light indicators, etc.
< NOTE >
Use the recommended warning signal wire size from 16 AWG to 26 AWG for a solid wire, or 16
AWG to 22 AWG for a stranded wire.
• Connect the warning signal wires to terminal L+ and L- in the unit control box according to the
labels shown below.
ILL00286-00
L– L+ E– E+ G4 C4 P RC Y1 Y2 G G1
Unit Terminal
Warning Device
Signal
Relay Output Contactor