27
Modulation: Boiler Inlet, Outdoor Reset Operation (Standalone)
Description
Electrical Connection(s)
Programming Instructions
•
Boiler operates with variable
setpoint determined by
outdoor reset curve
•
Modulates on inlet sensor
(default)
•
Heat demand is generated
when Remote Operator is
closed.
1)
Connect outdoor sensor to System/Outdoor contacts
2)
Press
and
3)
Press
Outdoor Reset Configuration
4)
Press the to arrive at
Central Heat
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)
Press
Sensor Configuration
12)
Select
S5 (J8-11) Sensor
13)
Select
Connector Type: 10K NTC Single Non-Safety
14)
Outdoor temperature source = S5 (J8-11) sensor
15)
The control will proceed into a Lockout 2 condition
16)
Press
[Verify]
>
[Begin]
>
[Yes]
17)
Press the reset button on the ignition control within
the alotted time
18)
Place toggle switch to
REMOTE
for remote operation
(if required)
Summary of Contents for DRH300
Page 2: ......
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Page 38: ...32 13 Place toggle switch setting to REMOTE for remote operation if required...
Page 69: ...63 PART 12 EXPLODED VIEW 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20...
Page 70: ...64 21 22 23 24 26 35 34 33 32 31 30 29 28 27 25 36 37 38 39 40 42 43 56...
Page 77: ...71 PART 13 ELECTRICAL DIAGRAMS...
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