Honeywell Local Operator Interface S7999B - Manual (Page 28)

S7999B, S7999C SOLA LOCAL OPERATOR INTERFACE
65-0303—05 28
Stack Limit Configuration Parameters
Table 20 displays stack limit configuration parameters.
Fig. 48. Stack Limit configuration.
Delta T Limit Configuration
Parameters
(R7910A Hydronic Control Only)
Table 21 displays other limit parameters. Use the left and right
arrows to switch between Inlet to Outlet Flow and Exchanger to
Outlet Flow. The parameters are the same for all pumps.
Fig. 49. Delta T Limit configuration.
Table 20. Stack Limit Configuration Parameters.
Parameter Comment
Stack limit Enabled dual sensor safety
Enabled single sensor non safety
Disabled
Stack limit delay ___hour ___min ___sec
Stack limit response Lockout
Recycle & delay
Stack limit setpoint 32 °F to 266 °F (0 °C to 130 °C)
Table 21. Delta T Limit
Configuration Parameters.
Parameter Comment
Delta T enable Enabled
Disabled
Delta T degrees 0 °F to 234 °F (-17 °C to 112 °C)
Delta T delay ___hour ___min ___sec
Delta T response Recycle & delay
Recycle & Delay with retry limit
Lockout
Delta T retry limit 0–100
Delta T rate limit
enable
Enabled
Disabled
Delta T inverse limit
time
___hour ___min ___sec
Delta T inverse limit
response
Recycle & delay
Recycle & delay with retry limit
Lockout