19
AVANTA PLUS
Combi Option 16
External time clock with simple room compensated Heating using the Celcia 15 and constant DHW
Condensate
22mm Gas
22mm
Flow
22mm
Return
230v Supply
AVS0012
Two channel
time clock
Mains cold water
DHW
Modulating thermostat
(Celcia 15)
Mount in a reference room
1.5M above floor away from
any heat scource
Remove
Exist link
Terminal
Block X6
Terminal
Block X9
3
5
4
2
1
7
8
6
Exist link
Terminal
Block X5
3
2
1
NOTE: Terminal blocks are not in line as shown - diagramatic only
AVW0012
Exist link
Room compensator
Celcia 15
A
C
L
N
E
230v - 3 Amp
Power Supply
(via switched spur)
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
OTE:
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)