Honeywell S7999D SOLA User Manual page 28

Table 32. Fan Configuration Parameters.
Parameter
Absolute maximum 500–12000 RPM
fan speed
Absolute minimum 500–12000 RPM
fan speed
Fan gain down 0-100
Fan gain up 0-100
Minimum duty cycle 1-100%
Pulses per revolution 1-10
PWM frequency 1000
2000
3000
4000
Slow down ramp 0-12000 RPM/sec
Speed up ramp 0-12000 RPM/sec
Lead Lag Slave Configuration
Parameters
Table 33 displays Lead Lag Slave Configuration parameters.
Fig. 59. Lead Lag slave configuration.
Table 33. Lead Lag Slave
Configuration Parameters.
Parameter
Slave enable Slave
ModBUS slave
Disabled
Slave mode Use first
Use last
Equalize run time
Base load rate 0–6000 rpm
Slave sequence 0–8
order
65-0315—02
Comment
Comment
28
Table 33. Lead Lag Slave
Configuration Parameters. (Continued)
Parameter
Demand to firing ___hour ___min ___sec
delay
Fan rate during off 0–12000 rpm
cycle
ModBus port MB1
MB2
No port
ModBus address 0–250
Lead Lag Master Configuration
Parameters
Table 34 displays Lead Lag Master Configuration parameters.
Click the Advanced Settings button to see available advanced
parameters as shown in Table 34–43.
Use the left and right arrows to switch between Modulation,
CH, DHW, Frost Protection, Warm Weather Shutdown,
Algorithms, Rate Allocation, Add stage and Drop stage
parameters.
Fig. 60. Lead Lag master configuration and Advanced
Settings button.
Table 34. Lead Lag Master Configuration Parameters.
Parameter
Master enable Enabled
Disabled
CH setpoint 32 °F to 250 °F (0 °C to 121 °C)
CH time of day 32 °F to 250 °F (0 °C to 121 °C)
setpoint
ModBus port MB1
MB2
No port
ModBus address 1–250
Comment
Comment