REMEHA Avanta Plus 24s, Installation And Service Manual

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14
AVANTA PLUS
Combi Option 11
Timed heating with constant DHW using external time clock and room thermostat (230v)
Condensate
22mm Gas
22mm
Flow
22mm
Return
230v Supply
AVS0013
Two channel
time clock
Mains cold water
DHW
Room thermostat (230v)
Mount in a reference room
1.5M above floor away from
any heat scource
Terminal
Block X9
3
5
4
2
1
7
8
6
Exist links
Terminal
Block X5
3
2
1
NOTE: Terminal blocks are not in line as shown - diagramatic only
AVW0013
Exist link
L
N
E
230v - 3 Amp
Power Supply
(via switched spur)
CALL
1
2
Room thermostat
(230v switching)
To provide time control over DHW
remove link 3/4 in X2 and install wiring
from time clock (DHW on control) to
terminal 3
Remove link
1 to 4
Terminal
Block X2
4
L
N 5
2
3
1
External Time clock
Two channel - 230v switching
HTG
DHW
OFF
OFF
ON
ON
L
N
Terminal
Block X6
NOTE:
With a 230v switching time
clock a frost thermostat, if
required, must be connected
in parallel with the time clock
on terminal strip X2 connec-
tors 1 and 4 (frost stat con-
tacts to close on temperature
fall)