Denso OFFICE PRO 12 Benutzerhandbuch

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a. Tank Full
b. Temperature sensor fails
c. High pressure switch error (model OP24 only)
Connecting Warning Signal From Controller
1) Remove service panel from the rear of the unit.
2) Push out the back cap from inside. (In case of hand to remove, please
    push inner latches of the cap one-by-one)
3) Use recommended warning signal wire size from 16AWG to 26AWG
    for a solid wire, or 16AWG to 22AWG for a stranded wire with ring 
    terminal for #6 stud size.
4) Connect warning device to terminal L+ and L- according to its
    polarities.
Connecting Fire Alarm Control Panel to Controller
1) Remove service panel from the rear of the unit.
2) Squeeze the inner latches and push out the black cap from inside the
    panel (See drowing of Cap and inner latch shapes ) 
4) Connect warning device to terminal E+ and E- according to its
    polarities. 
This function is not available in OP12 model
Input
Signal
Terminals
Output
Signal
Terminals
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INSTALLATION (cont.)
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 (not connector) is closed when the following 
condition has occurred :
The relay output contactor is rated 2A at 30VDC or 2A at 30VAC
(resistive load) and it is compatible with various warning devices
 such as alarm speaker, light indicators, etc. 
11
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 will turn off and will not 
turn back until it has been RESET.
3) Use recommended warning signal wire size from 16AWG to 26AWG
    for a solid wire, or 16AWG to 22AWG for a stranded wire with ring 
    terminal for #6 stud size.
Warning Signal Connection (Output Signal terminal L+ and L-)
Latch
Cap