Honeywell S7999D SOLA User Manual page 16

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)
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
(R7910 Hydronic Control Only)
Table 9 displays Outdoor Reset configuration parameters.
Pressing the left or right arrow displays Lead Lag, which lists
the same parameters.
65-0315—02
Comment
16
Fig. 32. 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
(R7910 Hydronic Control Only)
Table 10 displays Domestic Hot Water (DHW) configuration
parameters.
Fig. 33. Domestic Hot Water (DHW) configuration.
Comment