36
DR(H,W) Lead Lag Operation
Master Boiler
Description
Electrical Connection(s)
Programming Instructions
•
Master boiler lead lag setup
1)
Place toggle switch 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 >]
10)
Press the to arrive at
Central Heat
11)
Select
Setpoint Source = S2 (J8-6) 4-20mA
12)
Select
4mA water temperature
13)
Select
20mA water temperature
Содержание DRW1000
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