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45 S PLAN SYSTEM
L
N
E
Fused
Spur
Timer
46 Y PLAN SYSTEM
L
N
E
Fused
Spur
Timer
206210-10232
Installation & Servicing
INSTALLATION
Note that a hydraulic bypass is
required to allow pump overrun.
Note that a Frost Stat can be
connected into CH call.
Pump
L
L
N
CH On
HW On
Note that a Frost Stat can be
connected into CH call.
Pump
L
L
N
CH On
HW On
HW Off
S Plan
Valve
S Plan Valve
g
CH
b
S Plan
g/y
Valve
br
o
R/S
C/S
CH
R/S
HW
HW
C/S
N
E
On
On
On
Off
On
C/S
R/S
CH
R/S
HW
HW
C/S
N
E
On
On
On
Off
On
Note that the boiler can use an Outside
Sensor, which is available from ideal
as a Weather Compensation Kit. In
this case the link from position 9 to
position 10 in the installer terminal
block should be removed and a wire
added from position 10 to the DHW
Call input on the boiler.
g
HW
b
g/y
S Plan
br
Valve
o
Pump
Boiler
Y Plan
Valve
b
g/y
Y Plan
w
Valve
g
o
Pump
Boiler
41
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