Honeywell Local Operator Interface S7999B User Manual
S7999B, S7999C SOLA
Local Operator Interface
The S7999B and S7999C are microprocessor-based touch-
screen Operator Interface (OI) displays that provide an
operator interface for monitoring and configuring parameters
in the Sola Hydronic Control and Sola Steam Control system.
The S7999B can be used to monitor an individual boiler but is
primarily used for multiple boiler applications in a lead/lag
arrangement. COM 2 port is available for Building Automation
applications. The S7999B display is flush mounted into a
panel cutout (8-1/8 in. W x 5-7/8 in. H). Wiring connections to
the S7999B are through a removable 9-pin wiring header.
The S7999C display is used for individual boiler monitoring.
The S7999C is mounted:
• onto a panel using the wallplate provided.
• from the front into a panel cutout (7.6 in. W X 5.4 in. H)
using 4 #6-32 screws and nuts (provided).
• From behind into a panel cutout (5.45 in. W X 4.3 in. H)
using 4 #6-32 screws, nuts and 4 standoffs (provided).
Wiring connections to the S7999C are made via a 4-pin
connector on the back of the display.
NOTE: If display S7999B is used to monitor a lead/lag sys-
tem, display S7999C can NOT be used.
• Individual boiler status, configuration, history, and
• Allows configuration and monitoring of the Sola
Controls (R7910A Hydronic Controls or R7911 Steam
Control) burner control sequence, flame signal,
diagnostics, historical files, and faults.
• S7999B OI Display only:
— Allows switching view between multiple boilers
— Allows viewing Lead-Lag Master
— Ethernet port for downloading software upgrades
— Real-time data trending analysis and transferring
saved trend data to Excel spreadsheet.
— Audible Alarm
— COM 2 Modbus port for Building Automation System
— LED indicators:
• COM 2
• COM 1
— Models available:
• S7999B1026 has Blue Border
• S7999B1067 has Black Border
• S7999C OI Display only:
Table 61 Configurable Parameters. .................................. 53
Table 62 Other Tables. ..................................................... 61