Burnham K2WTC - Page 123

123
107774-01- 9/17
XIII. Operation F. Changing Adjustable Parameters (continued)
“Press” button to access the following parameters:
Factory
Setting
Range / Choices Parameter and Description
Disable
Enable,
Disable
Master Enable/Disable
Master should always be Disabled.
“Press” button to access the following parameters if this boiler is to be used as a slave in a multiple boiler
system:
Factory
Setting
Range / Choices Parameter and Description
None 1-8
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.
Normal
Use Boiler First,
Normal,
Use Boiler Last
Slave Selection Order
“Use Boiler First”; places the Slave in the lead permanently.
“Normal”; ring order follows boiler number (1,2,3,..) order.
“Use Boiler Last”; places the slave last in the ring order.
Factory
Setting
Range /
Choices
Parameter and Description
Local
Local,
4-20mA
Central Heat Modulation Source
This parameter should always be set to “Local”.
Local
Local,
4-20mA
Central Heat Setpoint Source
This parameter should always be set to “Local”.
Local
Local,
Modbus
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.
“Press” button to access the following parameters: