Steffes 5140 Owner & Installers Manual - Manual (Page 6)

control Panel
Operation of the Comfort Plus heating system is automatic. Operational function settings are stored in a micro-
processor on the processor control board. These settings are modified, if necessary, through the Configuration
Menu as described on Pages 3.14-3.15. In most applications, the system is configured upon installation and no
further changes are required.
Four-Digit lED Display
The four digit LED displays specific operating information. During the configura-
tion process, the configuration number and the values set in these configurations are
displayed for viewing and adjusting purposes.
AM and PM Indicator lights
The AM and PM indicator lights are only utilized if the Steffes Time Clock Module is
being installed and using 12 hour time display. With this module installed, the system
displays time on AM/PM intervals. The light flashes next to the active designator/
symbol. The system can be configured to display military time, in which case, both
the AM and PM lights illuminate.
Mode (Edit) Button
Used to access menus on the system (i.e. Help Menu or Configu-
ration Menu) and to allow modifying of configuration settings.
Up and Down Arrow Buttons
Used to scroll up or down when viewing or modifying.
operating functions.
Interface Port
Allows technician external access for advanced operating modes, updating software, and troubleshooting.
Comfort Plus Hydronic Operation  1.03 Operation  1.02 Comfort Plus Hydronic
oPeratinG StatuS
The four digit LED will display various operating information as described below. Press and release the up ar-
row to view this data.
Outdoor Temperature - indicates current outdoor temperature.
Operating Mode and Outlet Water Temperature - indicates the current operating mode
followed by the outlet water temperature.
C = Off-Peak (Charge) Time
P = On-Peak (Control) Time
A = Anticipated Peak Time
Heat Call Status - indicates the current heat call status as determined by the room
thermostat(s). The faceplate displays the highest heat call value present. If receiving a Stage
1 Forced Air Heat Call and a Hydronic Heat Call, the display will read “HC_3”. Reference
the Room Thermostat section for more information on Heat Call Status displayed.
Targeted Brick Core Charge level - “tL” (target level) followed by a number, indicates
the current percentage of brick core charge being targeted by the system. A display of “tL:_”
indicates a target level of zero percent and “tL: F” indicates a full core charge target level.
Brick Core Charge level - “CL” (charge level) followed by a number, indicates the cur-
rent percentage of heat stored in the brick core. “CL:_” represents zero percent and “CL: F”
represents a full core charge level.
IMPORTANT
Editing operating information may
alter the performance and opera-
tion of the system.
A bar illuminates on the lower portion of the display's third digit whenever
the heating elements are energized.
M
CONTrOl PANEl
M M
PP
M
M M
A A