Boiler Control Instruction & Operation Manual, Rev 1
Page
38
of 64
Setup & Tuning
Parameter Adjustment
Press PUMP CONFIGURATION to adjust the following parameters.
Factory
Setting
Range /
Choices
Parameter and Description
Any
Demand
- Never,
- Any Demand,
- Central Heat No
Priority,
- Central Heat,
Optional Priority
- DHW Pump
Contact A: CH Pump
Activates the system pump output according to selected function.
These options are determined by the check box selections found under the
“Advanced” menu. See proper selections in () below. All options except “Never”
require the selection of
“Use for local demands” and “Use for Lead Lag Master
demands” on the Control section of the Pump menu.
Never:
Pump is disabled and not shown on status screen.
(No boxes checked)
Any Demand:
Pump Runs during any call for heat. (CH Demand,
DHW Demand, Mix Demand, Frost Protection CH)
Central Heat, No Priority:
Pump Runs during central heat and frost
protection call for heat. Pump does not start for a
DHW call for heat and continues to run during
Domestic Hot Water Priority. (CH Demand, Mix
Demand, Frost Protection CH)
Central heat, Optional
Priority:
Pump Runs during central heat and frost protection
call for heat. Pump does not start for a DHW call
for heat and will be forced off if there is a DHW call
for heat and Domestic Hot Water Priority is active.
(CH Demand, Mix Demand, Frost Protection CH,
DHW priority is active)
DHW Pump:
Pump Runs during domestic hot water call for heat. Domestic
Hot Water Priority enable/disable does not affect pump
operation
.
(DHW Demand)
Any
Demand
Never
Any Demand
Contact B: Boiler Pump
Activates the Boiler Pump, Combustion Air Damper and/or Standby Loss Damper
output according to selected function. These options are determined by the check
box selections found
in the “Control” and “Advanced” menus. See options in ()
below.
Never:
Output is disabled and not shown on status screen. (No boxes
checked)
Any Demand:
Output activated for any burner demand. (Use for local
demands, Local burner demand, Local Lead Lag Demand,
Frost Protection CH, Inhibit pump for burner fault or disable)
DHW
Pump:
Primary
Loop Piped
(IWH)
- Never,
- Isolation Valve
- DHW Pump
Contact C: DHW Pump (or Isolation Valve)
Activates the Isolation Valve or Domestic pump output according to selected
function. These options are determined by the check box selections found
under the “Advanced” menu. See proper selections in () below. All options
except “Never” require the selection of “Use for local demands” and “Use for
Lead Lag Master demands” on the Control section of the Pump menu.
Never:
Pump is disabled and not shown on status screen.
(No boxes checked)
Isolation Valve:
Output activated for any burner demand or when boiler is lead
boiler. (Local burner demand, Aux pump X is set, Inhibit pump
for burner fault or disable)
DHW Pump:
Pump Runs during domestic hot water call for heat. Domestic
Hot Water Priority enable/disable does not affect pump
operation
.
(DHW Demand, Inhibit pump for burner fault or
disable)
