Steffes 6140 - Manual (Page 6)

CONTROL PANEL
Operation of the Comfort Plus Commercial system is automatic. All operational
function settings are stored in a microprocessor in factory preset locations. If
necessary, the user or installer can adjust these locations settings through the
control panel (Figure 1).
Four-Digit LED Display
The four digit LED displays specific operating information. During an editing
process, the function locations and the values set in these locations 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. With this module installed, the system displays time on
AM/PM intervals and the corresponding light flashes. The system can be
configured to display military time, in which case, both the AM and PM
lights illuminate.
Mode (Edit) Button
Activates the editing menu for changing the operating information of the
system.
Up and Down Arrow Buttons
Used to scroll up or down when viewing or changing
operating functions.
Interface Port
FOR SERVICE USE ONLY! Allows technician external access for updating software and troubleshooting.
OPERATING STATUS (DIGITAL DISPLAY)
The Comfort Plus Commercial system is set to display various operating information as described below. Press
and release the up arrow to view this data.
Operating Mode - Indicates the current operating mode of the system.
C = Off-Peak (Charge) Time
P = On-Peak (Control) Time
A = Anticipated Peak Time
Outdoor Temperature -“O” followed by a number indicates current outdoor temperature.
Heat Call Status - Indicates the current heat call status being received from the room thermo-
stat. Refer to pages 3.11 and 3.12 for more information on heat call inputs.
Brick Core Charge Level - “CL” (charge level) followed by a number indicates the current
percentage of heat stored in the brick core. “CL:_” represents zero percent and “CL: F” repre-
sents a full core charge level.
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:_” indi-
cates a target level of zero percent and “tL: F” indicates a full core charge target level.
Load Control - Current demand (kW) divided by 10. A value of "d 75" is equal to a current
demand of 750kW.
Operation
n
1.02 Comfort Plus Commercial
M
с т
Operation
A bar illuminates on the lower portion of
the display's second digit whenever the
heating elements are energized.
CONTROL PANEL
FIGURE 1
M M
M
P P
M M
A A
CAUTION
Editing operating
information may alter
the performance and
operation of the system.