Honeywell S7999D SOLA User Manual page 22

Anti-Condensation Configuration
Parameters (R7910 Hydronic Control
Only)
Table 23 displays anti-condensation parameters. Use the left
and right arrows to switch between Central Heat, Domestic
Hot Water, Frost Protection, and Priority parameters.
Fig. 41. Anti-condensation configuration.
Table 23. Anti-Condensation Configuration Parameters.
Parameter
CH Enable Enabled
Disabled
CH Setpoint 32 °F to 250 °F (0 °C to 121 °C)
DHW Enable Enabled
Disabled
DHW Setpoint 32 °F to 250 °F (0 °C to 121 °C)
Frost Protection Enabled
Enable Disabled
Anticondensation Anticondensation is more important
Priority than (check those that apply):
Stack limit
Delta T limit
Slow start
Forced rate
Outlet high limit
65-0315—02
Comment
22
Frost Protection Parameters
(R7910 Hydronic Control Only)
Table 24 displays frost protection parameters.
Fig. 42. Frost Protection configuration.
Table 24. Frost Protection Configuration Parameters.
Parameter
CH frost protection Enabled
enable Disabled
DHW frost protection Enabled
enable Disabled
Lead Lag frost Enabled
protection enable Disabled
Outdoor frost -40 °F to 266 °F (-40 °C to 130 °C)
protection setpoint (applicable for CH only)
Lead Lag frost ___%
protection rate
CH pump frost ___hour ___min ___sec
overrun time
DHW pump frost ___hour ___min ___sec
overrun time
Comment