Outdoor Reset Parameters (Hydronic Control Only); Domestic Hot Water (Dhw) Configuration Parameters; Steam Configuration Parameters; Outdoor Reset Configuration Parameters - CleaverBrooks CFC Operation, Service & Parts Manual

Table 7. Central Heat Hydronic
Configuration Parameters. (Continued)
Parameter
Time of day setpoint Setpoint when Time Of Day switch is
on. -40 °F to 266 °F (-40 °C to 130 °C)
Off hysteresis Differential above setpoint when boiler
is turned off.
32 °F to 266 °F (0 °C to 130 °C)
On hysteresis Differential from setpoint when boiler
is turned on. 32 °F to 266 °F (0 °C to
130 °C)
4 mA water -40 °F to 266 °F (-40 °C to 130 °C)
temperature
20 mA water -40 °F to 266 °F (-40 °C to 130 °C)
temperature
Modulation sensor Outlet sensor, Inlet sensor, S5 (J8-11)
Modulation Rate Local
Sensor
P-gain Gain applied for the P portion of the
PID equation
0-400
I-gain Gain applied for the I portion of the
PID equation
0-400
D-gain Gain applied for the D portion of the
PID equation
0-400
Hysteresis step time Time between hysteresis step
changes: 0-600 seconds (0=Disable
hysteresis stepping)
Table 8. Steam Configuration Parameters
Parameter
Steam enable Disable/enable steam feature
Steam demand Sensor and LCI
source Sensor and Remote Stat
Sensor and Stat Terminal
Sensor Only
Steam pressure Setpoint for normal modulation
setpoint Adjustable 0 to 15 or 0 to 150 (sensor
dependant)
Steam time of day Setpoint when TOD switch on
setpoint Adjustable 0 to 15 or 0 to 150 (sensor
dependant)
Minimum steam Establishes setpoint for the 4ma. input.
pressure Adjustable 0 to 15 or 0 to 150 (sensor
dependant)
Steam pressure off Differential below setpoint when boiler
hysteresis is turned off
Adjustable 0 to 15 or 0 to 150 (sensor
dependant)
Steam pressure on Differential from setpoint when boiler
hysteresis is turned on.
Adjustable 0 to 15 or 0 to 150 (sensor
dependant)
Steam hysteresis Time between hysteresis changes 0 to
step time 600 seconds (0=disable)
Comment
Comment
15
Table 8. Steam Configuration Parameters
Parameter
Steam P Gain Gain applied for the P portion of the
PID equation
0-400
Steam I Gain Gain applied for the I portion of the PID
Equation - 0-400
Steam D Gain Gain applied for the D portion of the
PID equation
0-400
Steam 4-20 ma uses 4-20ma remote control function to
remote control control either the setpoint or
modulation for Steam
Disable, setpoint, modulation
Outdoor Reset Parameters
(Hydronic Control Only)
Table 9 displays Outdoor Reset configuration parameters.
Pressing the left or right arrow displays Lead Lag, which lists
the same parameters.
Fig. 30. Outdoor reset configuration.
Table 9. Outdoor Reset Configuration Parameters.
Parameter
Maximum outdoor -40 °F to 266 °F (-40 °C to 130 °C)
temperature
Minimum outdoor -40 °F to 266 °F (-40 °C to 130 °C)
temperature
Low water -40 °F to 266 °F (-40 °C to 130 °C)
temperature
Minimum water -40 °F to 266 °F (-40 °C to 130 °C)
temperature
Maximum off point -40 °F to 266 °F (-40 °C to 130 °C)
Domestic Hot Water (DHW)
Configuration Parameters
(Hydronic Control Only)
Table 10 displays Domestic Hot Water (DHW) configuration
parameters.
Comment
Comment
CB-8462