REMEHA Avanta Plus 24s, Installation And Service Manual

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28
Condensate
22mm Gas
22mm
Flow
22mm
Return
2 Channel
Time clock
230v Supply
DHW thermostat
Three way Diverting
valve - HTG or DHW
AOVS005
'B' DHW
'A' HTG
'AB'
Outside Sensor
Mount in a sheltered
position on North
facing wall
Room thermostat
Mount in a reference room
1.5M above floor away from
any heat scource
C
DHW Thermostat
(open on rise)
1 2
CALL
Outside Sensor
(red band)
Remove
Exist link
DHW Temperature Sensor
(red band)
Note:
Option to use either
Stat or Sensor
3
4
L
N
E
230v - 3 Amp
Power Supply
(via switched spur)
N
L
Terminal
Block X6
4
N
L
3
2
1
System Pump
Must be wired direct to boiler
E
Terminal
Block X4
CALL
1 2
Room thermostat
(230v switching)
1
2
3
4
5
Remove
Exist links
Terminal
Block X9
3
5
4
2
1
7
8
6
Exist links
Terminal
Block X2
Terminal
Block X5
3
2
1
NOTE: Terminal blocks are not in line as shown - diagramatic only
AOVW005
ON
ON
OFF
OFF
HTG
DHW
L
N
External Time clock
Two channel - 230v switching
Blue
G/Yellow
Brown
AB
'A' HTG
Diverting Valve
Power open to DHW
Spring return to HTG
'B' DHW
AVANTA 18v
System Only Option 5
Simple weather compensated Heating with 230v room thermostat override and Priority DHW