Honeywell S7999D SOLA - Page 43

43 65-0315—02
Steam
enable
Disable/enable steam feature 8 16
Steam
demand
source
Sensor and LCI
Sensor and Remote Stat
Sensor and Stat Terminal
Sensor Only
Steam
pressure
setpoint
Setpoint for normal modulation
Adjustable 0 to 15 or 0 to 150
(sensor dependant)
Steam time
of day
setpoint
Setpoint when TOD switch on
Adjustable 0 to 15 or 0 to 150
(sensor dependant)
Minimum
steam
pressure
Establishes setpoint for the
4ma. input.
Adjustable 0 to 15 or 0 to 150
(sensor dependant)
Steam
pressure off
hysteresis
Differential below setpoint when
boiler is turned off
Adjustable 0 to 15 or 0 to 150
(sensor dependant)
Steam
pressure on
hysteresis
Differential from setpoint when
boiler
is turned on.
Adjustable 0 to 15 or 0 to 150
(sensor dependant)
Steam
hysteresis
step time
Time between hysteresis
changes 0 to 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 remote
control
uses 4-20ma remote control
function to control either the
setpoint or modulation for
Steam
Disable, setpoint, modulation
CH maximum
outdoor
temperature
-40 °F to 266 °F
(-40 °C to 130 °C)
916
CH minimum
outdoor
temperature
-40 °F to 266 °F
(-40 °C to 130 °C)
Low water
temperature
-40 °F to 266 °F
(-40 °C to 130 °C)
Minimum
water
temperature
-40 °F to 266 °F
(-40 °C to 130 °C)
Maximum off
point
-40 °F to 266 °F
(-40 °C to 130 °C)
Table 60. Configurable Parameters. (Continued)
Parameter Comment
Table
#
Page
#
DHW enable Disable or Enable Domestic Hot
Water Loop
10 17
DHW
demand
switch
Sensor for Central Heat
demand:
DHW sensor only,
DHW sensor & Remote Stat,
DHW switch & inlet sensor, or
DHW switch & outlet sensor
DHW Priority
source
Which system has priority:
Disabled or
Heat Demand
DHW Priority
method
Boost during priority time
Drop after priority time
DHW
Modulation
sensor
DHW Sensor
Outlet Sensor
Inlet Sensor
Auto: DHW (S6) or Inlet Sensor
Auto: DHW (S6) or Outlet
Sensor
DHW
setpoint
-40 °F to 240 °F
(-40 °C to 115 °C)
DHW time of
day setpoint
Setpoint when Time Of Day
switch is on. -40 °F to 240 °F
(-40 °C to 115 °C)
DHW off
hysteresis
Differential above setpoint
when boiler is turned off. -40 °F
to 240 °F (-40 °C to 115 °C)
DHW on
hysteresis
Differential from setpoint when
boiler is turned on. 2 °F to
234 °F (-16 °C to 112 °C)
DHW priority
override time
___hour ___min ___sec
DHW
hysteresis
step time
Time between hysteresis step
changes: 0-600 seconds
(0=Disable hysteresis stepping)
DHW priority
vs CH
Which system has priority:
Central Heat over Domestic Hot
Water, or
Domestic Hot Water over
Central Heat
DHW priority
vs LL
Which system has priority:
Lead Lag over Domestic Hot
Water,
Domestic Hot Water over Lead
Lag
DHW P-gain Time between hysteresis step
changes: 0-400
DHW I-gain Time between hysteresis step
changes: 0-400
DHW D-gain Time between hysteresis step
changes: 0-400
Table 60. Configurable Parameters. (Continued)
Parameter Comment
Table
#
Page
#