26
Remeha Avanta Plus
X9
Terminal
Block X9
External interlock (volt free)
Remove existing link to use this function
1
2
3
4
5
6
7
8
Exist
links
X7
Terminal
Block X7
1
2
Common Alarm
(Closes on alarm)
Boiler Run
(Closes on run)
3
X10
2.7.8 Connecting an external interlock
LT.AL.W7H.000.033
The Remeha Avanta Plus is supplied with an external interlock
function. A volt free switching device (i.e. external gas pres-
sure switch, safety thermostat for under floor heating) can be
connected to connectors 5 and 6 of the X9 terminal strip after
removing the existing link. When this circuit is open the boiler
will shut down with the display showing (code
9
) and will
restart when the circuit is closed.
LT.AL.W7H.000.034
2.7.10 Connecting
a
PC/PDA
LT.AL.W7H.000.035
Using the optional Recom interface package a PC or PDA can
be connected to the X10 “telephone connector”. Using the
Recom PDA service software you can load, change and down-
load various boiler settings and readings. See the user instruc-
tions supplied with the software/hardware.
2.7.9 Connecting remote alarm and boiler run indication
As standard the boiler is supplied with 3 volt free connectors
on terminal X7. They can be used for an external gas valve,
remote alarm and boiler run indication.
•
Common alarm signal connect to connectors 1 and 2 on
terminal X7. Contact closes on lock out. For this purpose
set parameter
24
from
0
to
1
.
•
Boiler run signal connect to connectors 1 and 3 on terminal
X7. Contact closes on heat demand. For this purpose set
parameter
24
from
0
to
2
.
•
Connect an external gas valve to connectors 1 and 3 on
terminal X7. Contact closes when the gas valve is activat-
ed. For this purpose set parameter
24
from
0
to
3
.
Summary of Contents for Avanta Plus 24s
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Page 97: ...2 AVANTA PLUS 28 Combi Gas Council No 47 673 02 39 Combi Gas Council No 47 673 04...
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Page 107: ...12 AVANTA PLUS 24 System Gas Council No 41 288 05...
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