R
2800 LAURA LANE • MIDDLETON, WI 53562 • (800) 288-9383 • FAX (608) 836-9044 • www.tcsbasys.com
11
LED Description
Six LEDs on the face allow the occupant to view the current
operating status of the thermostat.
OCCUPIED
This LED will be lit whenever the unit is operating in the
occupied mode.
HEATING
This LED will be lit when any heat output is closed.
COOLING
This LED will be lit when any cooling output is closed.
FAN
This LED will be lit when the fan output is closed.
SERVICE
This LED will be lit when the high or low discharge air limit
has been reached, when the fan interlock has indicated
failure, or when the filter service or service input are closed.
PROGRAM/DATA
This LED will be lit when the thermostat is within the
programming or clock setup menus. It will blink when the
unit is being accessed by a PC.
Additional monitoring is available by continually pressing the
service key.
MON
72F
12:00 AM
DISCHARGE AIR
55F
SERVICE STATUS
OK
TEMP
1.
2.
3.
service
status
service
status
service
status
service
status
fan
Occup ied
H eatin g
C oolin g
Fa n
Service
Pro gram/
COOLER
WARMER
D ata
switch
service
status
system
switch
program
setup
clock
setup
override
OVERRIDE
178 MINUTES
Conventional H/C
continue
Heat Pump
Go to 4b.
ON
Main Monitoring Screen.
Press the service
button to access the following screens.
Service Screen.
This message may be
followed by any or all of the following:
CHECK FILTER, CHECK FAN, DISCHARGE
HIGH, DISCHARGE LOW, or CHECK DI2.
Discharge Air Temperature Screen.
Shows
discharge air temperature if sensor is used.
Override Status Screen.
Shows whether
the override is active and if so, how many
minutes remaining.
HEAT STAGE 1 OFF
COOL STAGE 1 ON
COOL STAGE 3 OFF
4a.
5a.
6a.
HEAT STAGE 2 OFF
COOL STAGE 2 OFF
FAN STATUS OK
service
status
service
status
7.
DI2 SERVICE OFF
FILTER OK
MON
72F
12:00 AM
service
status
service
status
service
status
COM P STAGE 1 ON
AUX HEAT 1 ON
REV VALVE OPEN
4b.
5b.
6b.
COM P STAGE 2 OFF
AUX HEAT 2 OFF
FAN STATUS OK
service
status
service
status
Heat Stages Status Screen.
Shows
the status of the first and second
stages of heating.
Cool Stages Status Screen.
Shows
the status of the first and second
stages of cooling.
Third Stage and DI1 Status Screen.
Shows the status of the third stage
and the status of the fan interlock if
DI1 is set for fan interlock.
Compressor Stages Status Screen.
Shows the status of the first and
second stage compressors.
Auxiliary Heat Stages Status
Screen.
Shows the status of the first
and second stages auxiliary heat.
Reversing Valve and DI1 Status
Screen.
Shows the position of the
reversing valve as either heat or cool
and the status of the fan interlock or
DI1.
DI2 and DI3 Status Screen.
Shows
the cool lockout into DI2 or DI2 status
and filter status or DI3 status.
Main Monitoring Screen.
