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Hydronic Heating
Modulation: Boiler Outlet, Boiler Fixed Setpoint Operation (Standalone)
Description
•
Boiler operates at a
fixed CH setpoint
•
Modulates on boiler
outlet sensor
(default)
•
Heat demand is
generated when
outlet temperature
drops below setpoint
minus on hysteresis
•
If set to local enable
constant pumping is
required
•
For remote enable
intermittent pumping
is allowed.
Modulation: Boiler Outlet, Outdoor Reset Operation (Standalone)
Description
•
Boiler operates with
variable setpoint
determined by
outdoor reset curve
•
Modulates on outlet
sensor (default)
•
Heat demand is
generated when
outlet temperature
drops below setpoint
minus on hysteresis
Electrical Connection(s)
Electrical Connection(s)
Programming Instructions
1)
Place toggle switch to LOCAL
2)
Press
and
Press [CH – Central Heat Configuration]
3)
4)
Press the
to arrive at Setpoint
5)
Select Setpoint source: Local
6)
Enter desired Setpoint
7)
Place toggle switch to REMOTE for remote enable operation (if
required)
Programming Instructions
1)
Connect outdoor sensor to System/Outdoor contacts
2)
Place toggle switch to LOCAL
3)
Press
and
4)
Press Outdoor Reset Configuration
5)
Select Enable: Enable
6)
Select Maximum outdoor temperature (WWSD)
7)
Select Minimum outdoor temperature (Outdoor Design)
8)
Select Low Water Temperature (Min. Water Temp.)
9)
Select Outdoor boost maximum off point (Design Max.)
10) Press [CH – Central Heat Configuration]
11) Select Outdoor Reset = Enabled
12) Set CH Setpoint = Outdoor boost maximum off point
13) Press Sensor Configuration
14) Select Outdoor temperature source = S5 (J8-11) sensor
15)
Place toggle switch to REMOTE for remote operation (if required)
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