Burnham K2WTC Installation, Operating And Service Instructions page 123

"Press"
Factory
Range / Choices
Setting
Enable,
Disable
Disable
"Press"
system:
Factory
Range / Choices
Setting
None 1-8
Use Boiler First,
Normal Normal,
Use Boiler Last
"Press"
Factory Range /
Setting Choices
Local,
Local
4-20mA
Local,
Local
4-20mA
Local,
Local
Modbus
107774-01- 9/17
XIII. Operation
F. Changing Adjustable Parameters (continued)
button to access the following parameters:
Master Enable/Disable
Master should always be Disabled.
button to access the following parameters if this boiler is to be used as a slave in a multiple boiler
Parameter and Description
Boiler Address
Each boiler must be given a unique address. When "Normal" slave selection order is used, the
boiler address is used by the Master Sequencer as the boiler start order. The boiler address is
also the Modbus Address when a Energy Management System is connected.
Slave Selection Order
"Use Boiler First"; places the Slave in the lead permanently.
"Normal"; firing order follows boiler number (1,2,3,..) order.
"Use Boiler Last"; places the slave last in the firing order.
button to access the following parameters:
Central Heat Modulation Source
This parameter should always be set to "Local".
Central Heat Setpoint Source
This parameter should always be set to "Local".
Central Heat Demand Source
This parameter enables a Modbus input to be take the place of the Heating Thermostat Input:
Local Local Heating Thermostat input is used for Central Heat demand.
Modbus Modbus input is used for Central Heat demand.
Parameter and Description
Parameter and Description
123