10
P/N 42-9534 8/08 Copyright 2008 Hydrotherm
KN-SERIES GAS-FIRED DIRECT VENT CAST IRON BOILERS – CONTROL MANUAL
Parameter
Requirement — MASTER boiler
Requirement — MEMBER boiler
SETPOINTS
HEAT BAND . . . . . . . . . . . . . . .
Set
Not applicable to MEMBER boiler unless boiler will
operate in override mode
SETPOINTS
LOCAL SETPT. . . . . . . . . . . . . .
SYSTEM SETPT. . . . . . . . . . . . .
OPERATE LIMIT . . . . . . . . . . . .
OP LIMIT BAND . . . . . . . . . . . .
SETPT SOURCE. . . . . . . . . . . . .
Set if control will regulate boiler supply temp
Set if control will regulate header or DHW tank temp
(requires header sensor)
Set
Set
Specify AUTO or 4-20mA remote control (AUTO
uses the HeatNet control setup values for setpoint
temperature; 4-20mA uses a 4-20mA signal to
determine setpoint temperature as described in
Table 9, page 30)
Set
Set if needed for override operation
Not needed
Set
Set
Set only if boiler will operate in override mode with
4-20mA input
OUTDOOR RESET, IF USED
OA RESET . . . . . . . . . . . . . . . . .
WARM WEATHER SD . . . . . . . .
WWS SETPOINT. . . . . . . . . . . .
OA SETPTS . . . . . . . . . . . . . . . .
Enable if used
Enable if used
Set if used
Set if used (requires outdoor sensor)
Not applicable to member boiler unless boiler is to
operate in override mode
SYSTEM PUMP
POST PRG TIME . . . . . . . . . . . .
ALWAYS ENABLE . . . . . . . . . . .
SUMMER PUMP JOG . . . . . . . .
Applies ONLY if the control will cycle a system pump
as well as the boiler pump
Set or keep default
Enable if desired
Enable if desired
Not applicable to member boiler
LOCAL PUMP
DELTA TEMP ENABLE . . . . . . .
DELTA TEMP. . . . . . . . . . . . . . .
POST PRG TIME . . . . . . . . . . . .
ALWAYS ENABLED. . . . . . . . . .
Settings for boiler pump
Enable if desired (requires installing a return water
temp sensor)
Set value if enabled
Set or keep default
Enable if desired
Enable if desired (requires installing a return water
temp sensor)
Set value if enabled
Set or keep default
Enable if desired
PUMP/VALVE OPTION
Enable constant pump if desired
Enable constant pump if desired
FLOW PROVE
Enable if used
(connect fl ow switch)
Enable if used
(connect fl ow switch)
NIGHT SETBACK
Set if desired
Not applicable to member boiler
OPTIONS (all)
Set
Set
Table 3
Control parameters for HeatNet networks
Multiple boilers: HeatNet modulation
(cont.)
2
