Camus Hydronics DRH300 Installation, Operation And Service Manual page 39

DR(H,W) Lead lag Operation
Master Boiler
Description
•
Master boiler lead lag setup
Electrical Connection(s) Programming Instructions
1) Place both toggle switches to LOCAL
2) Press
and
3) Select System Identification & Access
4) Verify MB1 Modbus address = 1
5) Verify MB2 Modbus address = 1
6) Select Lead Lag Master Configuration
7) Select Master Enabled = Enabled
Fixed Setpoint operation
8) Enter CH Setpoint (Fixed setpoint)
4-20mA/ 0-10Vdc setpoint operation
9) Select [Advanced Settings >]
to arrive at Central Heat
10) Press the
11) Select Setpoint Source = S2 (J8-6) 4-20mA
12) Select 4mA water temperature
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