Camus Hydronics DFH/W500 Installation, Operation And Service Manual page 41

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