30
Multiple Quinta Pro boilers, HTG and DHW using a low loss header,
outside weather/room compensation with the iSense Pro controller
(DHW from single boiler)
Multiple Quinta Pro boilers, heating and priority hot water
using a low loss header, outside weather or room compensation
with the iSense controller
(Hot water produced by single boiler only - pump option)
28
1.6M
Su
gg
es
te
d
he
ig
ht
in
r
oom
1.6M
Su
gg
es
te
d h
eig
ht
in
ro
om
100m Max
230v
Supply
DHW
Time
Control
Condensate
Gas
Flow
Return
100m Max
Outside sensor
on North
facing wall
Pump
SH2
Pump SH1
Pump
SH3
iSense
Pro
in wall
mounted
box
Zone 1
Optional Zone 2
Pump C
Pump B
3 Port valve C
3 Port valve B
Tw
o
to
s
ix
b
oil
er
s
2 Port spring return valve
Bypass
valve
Boiler flow
Sensor
Htg Flow sensor
Htg Flow sensor
DHW
Secondary
Pump
Calorifier
DHW
Thermostat
Normal position for the iSense Pro
remote controllers or room sensors mounted
in reference room within the building
C
B
B
AUX
C
N
N
N L
L
L
L
AF
BF
B
C
CDI
C
O V B A
B
N
N
N
0 - 10v
S Syst.
CDI CDR
BUS
Neutral
Cl
os
e
Ope
n
N
eu
tr
al
Cl
os
e
Ope
n
3 Port
Valve C
3 Port
Valve B
Htg
Pump C
Htg
Pump B
HWS Secondary
Pump
(If required)
Diagram shows both heating circuits connected
(B-C) delete controls /pumps/3 port valves of
zone C if only one circuit is required
Earths omitted for clarity
O/S
Sensor
Common
Flow Sensor
Flow
Sensor B
Flow
Sensor C
Room
Sensor C
Room
Sensor B
Shunt pump
Boiler No. 2
Shunt pump
Boiler No. 3
Shunt pump
Boiler No. 4
On/off
O T
On/off
O T
On/off
O T
X81
X81
X81
2
to
6
b
oi
le
rs
Factory fitted
supply lead to
be connected
to a 230v fused
spur for boiler
permanent supply
Note: Control PCB’s are
shown diagrammatically
Valve and thermostat wiring when using
our Remtank calorifier see separate
detail on page 13. For other type calorifiers
please follow manufacturers instructions.
230v fused supply
for 2 port valve
(from boiler supply)
2 Port
spring
return
valve
Calorifier
Thermostat
Shunt
pump SH1
Pump
PM2
Time Control
DHW
(volt free)
Boiler No 1 in cascade
QP 009D
Quinta Pro multiple boiler HTG and DHW using a low loss header,
outside weather/room compensation with the iSense Pro controller.
(DHW from single boiler)
QP 009E
Quinta Pro multiple boilers heating and priority hot water using a
low loss, outside weather or room compensation with the Celcia
MC4 and the iSense controller.
(Hot water produced by single boiler only - pump option)
QP 009E
C
B
S Syst
BF
AF
0 - 10v
- +
O T
C
C
B
E N L C S
E N L C S N E N L E N L N L
AUV
N
CDI
C
CDI CDR
B
Bus Cable
Calorifier
Thermostat
230v fused supply for
2 port valve (from boiler supply)
2 port spring
return valve
Time control
DHW
(volt free)
Shunt pump SH3
Boiler No.3
Shunt pump SH2
Boiler No.2
Diagram shows both heating circuits connected (B-C). Delete
controls /pumps/3 port valves of zone C if only one circuit is required.
Note: When using single zone control (B) flow sensor is connected to S Syst.
Factory fitted supply lead
to be connected to a 230v
fused spur for boiler
permanent supply
Pump
PM2
Valve and thermostat wiring when using a Remeha Remtank
calorifier, see separate details on page 13. For other types of
calorifiers please follow manufacturer’s instructions
Some earths
omitted
for clarity
PUMP
X81
E N L E N C D E N L NC C NO NC C NO NC C NO
PCB-SCU - S02
PCB - SCU - X01 PCB - IF 01
O T B L R L Tout Tdhw
Pump hws/3wv Egv Status Status Status
Main control PCB
2 to 8 boilers
OT
On/off
On/off
OT
Bus Cable
OTm 0-10v 0-10v
Note: Control PCBs are shown diagrammatically
Boiler No. 1 in cascade
Interface AD287 fitted into
each boiler (not required
for No.1 boiler)
Room
Sensor
Room
Sensor
Flow
Sensor
Flow
Sensor
Flow
Sensor
O/Side
Sensor
Htg Pump
C
3 Port
Valve C
Htg
Pump B
Htg
Valve B
HWS Secondary Pump
(If required)
Switch Fused Supply
X
1 2 3
BR BL GN/YW
Shunt pump
SH1
QP 009D
