MovinCool Office Pro 63 Service Manual - Manual (Page 32)

Operation Section
32
6.14 Warning Signal Connection (Output Signal Terminal L+ and L-)
• The controller is equipped with a warning signal output relay type (Form C, normal open dry
contact) which can be used to monitor the failure condition.
Relay contactor is closed when the following condition has occurred:
- Tank Full
- Temperature sensor fails
- High pressure switch error
• The relay output contactor is rated 2 A at 30 VDC or 2 A at 30 VAC (resistive load) and it is
compatible with various warning devices such as alarm speaker, light indicators, etc.
Connecting warning signal from controller
- Remove service panel from the rear of the unit.
- Squeeze the inner latches and push out the black cap from inside the panel. (See drawing of
cap and inner latch shapes.)
- Use recommended warning signal wire size from 16 AWG to 26 AWG or a solid wire, or 16
AWG to 22 AWG for a stranded wire with ring terminal for #6 stud size.
- Connect warning device to terminal L+ and L- according to its polarities.
6.15 Fire Alarm Control Panel Connection (Input Signal Terminal E+ and E-)
• The controller is equipped with a normal open input signal, which can be connected directly from
the fire alarm control panel. When receiving the signal from the fire alarm control panel, the unit
turns off and does not turn back until it has been reset.
Connecting fire alarm control panel to controller
- Remove service panel from the rear of the unit.
- Squeeze the inner latches and push out the black cap from inside the panel. (See drawing of
Cap and inner latch shapes.)
- Use 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 with ring terminal for #6 stud size.
- Connect warning device to terminal E+ and E- according to its polarities.
I001888
<Cap>
Latch
Input Signal
Terminals
Output Signal
Terminals