2800 LAURA LANE
❘
MIDDLETON, WI 53562
❘
(800) 288-9383
❘
FAX (608) 836-9044
❘
www.tcs-basys.com
17
DI2 SERVICE
FILTER
8.
MON
72F
12:00 AM
service
status
6c.
7c.
DI1
service
status
service
status
MOD OUT 1
MOD OUT 2
6d.
service
status
MOD OUT
DI1
25%
25%
OPEN
25%
OPEN
O FF
O K
11-19-01
Modulating Output 1 and 2 Status
Screen. Shows the percentage of modulat-
ing output 1 and 2.
DI1 Status Screen. Shows the status of the
fan interlock or DI1.
Mod Out and DI1 Status Screen. Shows
the percentage of modulating output and
the status of the fan interlock, or DI1.
DI2 and DI3 Status Screen. Shows DI2
status and filter status or DI3 status.
Main Monitoring Screen. (Date not shown
on SZ1017a.)
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 oper-
ating in the occupied mode.
HEATING
This LED will be lit when any heat output is
operating.
COOLING
This LED will be lit when any cooling output is operating.
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 pro-
gramming 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.
FOR THE SZ1053
FOR THE
SZ1017a
Occupied
Heating
Cooling
Fan
Service
Program/
Data
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 peri-
od, at which time the program reverts to the setpoints defined
in programming. To change the range of adjustment allowed,
see programming step #14.
OVERRIDE
The occupant has the ability to put the unit into occupied
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 from 0 to 255 minutes in
programming step #15.
FAN SWITCHING
The option to allow the occupant to change the occupied fan
mode is allowed by factory default. To lock out access to fan
switching, see programming step #7.
SYSTEM SWITCHING
The option to allow the occupant to change the system mode
is allowed by factory default. To lock out access to system
switching, see programming step #5.
SETTING CLOCK & SCHEDULE
The ability to set the clock and schedule is allowed by factory
default. An access code may be required as set in program-
ming step # 52, or access may be denied altogether using dip-
switches described in the setup section.
PROGRAMMING
The ability to program control parameters is allowed by facto-
ry default. An access code may be required as set in program-
ming step # 51, or access may be denied altogether using dip-
switches described in the setup section.
