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 on.
COOLING
This LED will be lit when any cooling output is on.
FAN
This LED will be lit when the fan output is on.
SERVICE
This LED will be lit when the high or low discharge air
limit has been reached, when the fan interlock has indi-
cated 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 press-
ing the service key.
Limiting Occupant Access
SETPOINT ADJUSTMENT
The occupant may temporarily change the occupied
heating and cooling set/- 5°F by factory default.
This setpoint change will remain until the end of the
current occupied period, at which time the program
reverts to the setpoints defined in programming. To
change the range of adjustment allowed, see program-
ming step # 14.
OVERRIDE
The occupant has the ability to put the unit into occu-
pied mode by pressing the override button on the front.
By factory default, the unit will remain in the occupied
mode for 180 minutes. This value may be changed
R
2800 LAURA LANE • MIDDLETON, WI 53562 • (800) 288-9383 • FAX (608) 836-9044 • www.tcsbasys.com
12
MON
72F
12:00 AM
DISCHARGE AIR
55F
OUTDOOR AIR
OVERRIDE ON
178 MINUTES
75F
HEAT STAGE 1 OFF
MOD OUT 1 100%
SERVICE STATUS
OK
TEMP
1.
2.
3.
4.
5.
6.
8.
TEMP
HEAT STAGE 2 OFF
DI1 OPEN
DI2 SERVICE OFF
FILTER OK
MON
72F
12:00 AM
fan
Occupied
Heating
Cooling
Fan
Service
Program/
COOLER
WARMER
Data
switch
system
switch
program
setup
clock
setup
OVERRIDE
service
status
service
status
service
status
service
status
service
status
service
status
service
status
service
status
service
status
7.
MOD OUT 2 100%
OPEN
service
status
MOD OUT 2 Screen.
Shows the percentage
of modulating output 2.
DI2 and DI3 Status Screen.
Shows DI2
status and filter status or DI3 status.
Main Monitoring Screen.
you what the SZ1018 are trying to put out for an out-
put. Compare this with the actual position of the heat-
ing or cooling device.
SERVICE SCREENS
Through repeated pressing of the SERVICE
STATUS button, the service screens (shown here) are
displayed, which enables you to monitor various func-
tions of the Superstat.
MON
72F
12:00 AM
DISCHARGE AIR
55F
OUTDOOR AIR
OVERRIDE ON
178 MINUTES
75F
HEAT STAGE 1 OFF
MOD OUT 1 100%
SERVICE STATUS
OK
TEMP
1.
2.
3.
4.
5.
6.
8.
TEMP
HEAT STAGE 2 OFF
DI1 OPEN
DI2 SERVICE OFF
FILTER OK
MON
72F
12:00 AM
fan
Occupied
Heating
Cooling
Fan
Service
Program/
COOLER
WARMER
Data
switch
system
switch
program
setup
clock
setup
OVERRIDE
service
status
service
status
service
status
service
status
service
status
service
status
service
status
service
status
service
status
7.
MOD OUT 2 100%
OPEN
service
status
Main Monitoring Screen.
Press the ser-
vice button to access the following screens.
Service Screen.
This message may be fol-
lowed 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.
Outdoor Air Temperature Screen.
Shows
outdoor air temperature if sensor is used.
Override Status Screen.
Shows whether
the override is active and if so, how many
minutes remaining.
Heat or Cool Stages Status Screen.
Shows the status of the first and second
stages of heating or cooling.
Mod Out and DI1 Screen.
Shows the
percentage of modulating output 1 and the
status of the fan interlock, or DI1.
