Remote Alarm And Boiler Run Indication; Safety Interlock - REMEHA Quinta 45 Technical Information

8.8 Remote alarm and boiler run indication

As standard the boiler is supplied with 2 x volt free indicators.
- Common alarm signal connect to terminals 21 and 22. Contact closed, opens on
lock out and power loss.
- Boiler run signal connect to terminals 23 and 24. Contact open, closes on boiler run.
Maximum 230 Volts, 1 amp capacity each.

8.9 Safety interlock

As standard the boiler is supplied with an interlock carrying a 24 Volt boiler control
circuit. To use first remove the fitted wire link (on RH side of terminal block between 10
and 14).
Any external devices required to stop the boiler should then be wired in series and
connected to terminals 10 and 14.
If the contacts of the external interlock have opened during heat demand, the boiler
will shut off for 120 seconds (shut -off code b@^). Should the contacts close again
during heat demand, the boiler will wait the remaining time from the 120 seconds
before attempting a restart.
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