13
AVANTA PLUS
System Option 10
Time / Room compensated Heating with Priority DHW (Celcia 20 - Digital clock)
'B' DHW
'A' HTG
'AB'
Time / Room compensator
(Celcia 20) Mount in a
reference room 1.5M above
floor away from any heat
scource
P3
Condensate
22mm Gas
22mm
Flow
22mm
Return
230v Supply
high output Calorifier
c/w DHW thermostat or
sensor
Three way Diverting
valve - HTG or DHW
AVS0010
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
AVW0010
Blue
G/Yellow
Brown
AB
'A' HTG
Diverting Valve
Power open to DHW
Spring return to HTG
'B' DHW
C
DHW Thermostat
(open on rise)
1
2
CALL
Remove
Exist link
DHW Temperature Sensor
(red band)
Note:
Option to use either
Stat or Sensor
3
4
Time/Weather compensator
Celcia 20
O-T Bus
E
L
N
230v - 3 Amp
Power Supply
(via switched spur)
Terminal
Block X2
Exist links
L
N
4
5
3
2
1
Remove
Exist link
Terminal
Block X6
