12
AVANTA PLUS
System Option 9
Simple room compensated Heating using the Celcia 15 and Priority DHW
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
AVS0007
'B' DHW
'A' HTG
'AB'
Two channel
time clock
Modulating thermostat
(Celcia 15)
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 link
Terminal
Block X5
3
2
1
NOTE: Terminal blocks are not in line as shown - diagramatic only
AVW0007
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
Room compensator
Celcia 15
C
A
E
L
N
230v - 3 Amp
Power Supply
(via switched spur)
Terminal
Block X2
Remove
Exist links
L
N
4
5
3
2
1
DHW
HTG
External Time clock
Two channel - 230v switching
ON
ON
OFF
OFF
L
N
Remove
Exist link
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)
