Camus Hydronics DRH300 Installation, Operation And Service Manual page 36

4-20mA/ 2-10Vdc Firing Rate Operation (Standalone)
Description
•
Boiler operates with variable
setpoint determined by 4-
20mA incoming signal
•
Modulates on header sensor
•
Heat demand is generated
when Remote Operator is
closed and 4-20mA or 2-
10Vdc signal is present.
System Sensor Enable (Standalone)
Description
•
Method to enable system
sensor for Standalone
applications
30
Electrical Connection(s)
1) Place both toggle switches in LOCAL
2) Press
3) Press [Lead Lag Master Configuration]
4) Press [Advanced Settings >]
5) Press the
6) Select Modulation rate source = S2 (J8-6) 4-20mA and burner on/off
7) Place toggle switch to REMOTE for remote operation (if required)
Electrical Connection(s)
Programming Instructions
and
to arrive at Central Heat
Programming Instructions
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