21
21
1.6M
Su
gg
es
te
d
he
ig
ht
in
ro
om
Normal position for the iSense
controller mounted in reference
room within the building
100m Max
230v
Supply
230v
Supply
Condensate
Gas
Flow
Return
100m Max
Outside sensor
on North
facing wall
iSense can be mounted
in boiler for weather
compensation only
Shunt Pump
Shunt Pump
Celcia
MC4
Pump PM1
Htg Flow sensor
Tw
o
to
fo
ur boi
le
rs
Factory fitted supply
lead to be connected
to a 230v fused spur for
boiler permanent supply
Note: Control PCBs are shown diagrammatically
Earths are omitted for clarity
Boiler No. 1
Shunt pump
Shunt pump
Shunt pump
Shunt pump
Boiler No. 4
Boiler No. 3
Boiler No. 2
OT
OT
OT
X81
X81
X81
System Pump PM1
(Max 1amp)
Switch spur 230v
Rated at 3amps
Flow Sensor
Mount on fl ow pipework to
register a common flow
temperature
L N E E 17 18 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14
MC4
Outside sensor on
North facing wall
100max
iSense mounted in reference room
(or boiler for weather compensation only)
OT - Bus
DIGI
QP 007A
QP 007
Multiple Quinta Pro boilers, HTG only using a low loss header,
outside weather/room compensation with the Celcia MC4
and iSense controller
QP 007A
21
1.6M
Su
gg
es
te
d
he
ig
ht
in
ro
om
Normal position for the iSense
controller mounted in reference
room within the building
100m Max
230v
Supply
230v
Supply
Condensate
Gas
Flow
Return
100m Max
Outside sensor
on North
facing wall
iSense can be mounted
in boiler for weather
compensation only
Shunt Pump
Shunt Pump
Celcia
MC4
Pump PM1
Htg Flow sensor
Tw
o
to
fo
ur boi
le
rs
Factory fitted supply
lead to be connected
to a 230v fused spur for
boiler permanent supply
Note: Control PCBs are shown diagrammatically
Earths are omitted for clarity
Boiler No. 1
Shunt pump
Shunt pump
Shunt pump
Shunt pump
Boiler No. 4
Boiler No. 3
Boiler No. 2
OT
OT
OT
X81
X81
X81
System Pump PM1
(Max 1amp)
Switch spur 230v
Rated at 3amps
Flow Sensor
Mount on fl ow pipework to
register a common flow
temperature
L N E E 17 18 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14
MC4
Outside sensor on
North facing wall
100max
iSense mounted in reference room
(or boiler for weather compensation only)
OT - Bus
DIGI
QP 007A
Multiple Quinta Pro boilers, heating only using a low loss header,
outside weather or room compensation with the Celcia MC4
and iSense controller