
21
Modulation: System Sensor, Outdoor Reset Operation (Standalone) NOTE: Outdoor Reset Module required (PN:
W8735S1000)
Description
Electrical Connection(s)
Programming Instructions
•
Boiler operates with
variable setpoint
determined by
outdoor reset curve
•
Modulates on system
sensor
•
Heat demand is
generated when
system temperature
drops below setpoint
minus on hysteresis
1)
Connect Remote Operator
2)
Connect System sensor to System/Outdoor contacts
3)
Connect Outdoor Sensor to J3 ECOM connector
4)
Place toggle switch in
LOCAL
5)
Press
and
6)
Press
Outdoor Reset Configuration
7)
Select
Enable: Enable
8)
Select
Maximum outdoor temperature
(WWSD)
9)
Select
Minimum outdoor temperature
(Outdoor Design)
10) Select
Low Water Temperature
(Min. Water Temp.)
11) Select
Outdoor boost maximum off point
(Design Max.)
12) Press
[Show Line]
to confirm reset curve
13) Press
Sensor Configuration
14) Selet
S5 (J8-11) sensor: 10K NTC single non-safety
15) Select
Outdoor temperature source = EnviraCOM outdoor
sensor
16)
Place toggle switch to
REMOTE
for remote enable operation (if
required)
System Sensor Enable (Standalone)
Description
Electrical Connection(s)
Programming Instructions
•
Method to enable
system sensor for
Standalone
applications
1)
Press
and
2)
Press
[Sensor Configuration]
3)
Select
S5 (J8-11) Sensor
:
10K NTC Single Non-Safety
4)
The control will proceed into a Lockout 2 condition
5)
Press
[Verify]
>
[Begin]
>
[Yes]
6)
Press the reset button on the ignition control within the alotted time
Содержание Valiant-FT II Series
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Страница 40: ...36 PART 9 PIPING DIAGRAMS Figure 40 Single Boiler Hydronic Heating Zoned Piping...
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Страница 42: ...38 Figure 42 Single Boiler with DHW Tank Hydronic Heating Zoned Piping...
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