TCS Basys Controls SZ1041A, Руководство по эксплуатации продукта

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Analog output not Working Properly
Check wiring. A separate transformer should be used
for the SZ1041A and a separate transformer should be
used for the motor(s). Check to make sure that the ana-
log output is programmed correctly.
Check the Service Menu. The Mod Out Screen will tell
you what the SZ1041A is trying to put out. Compare this
with the actual position on the heating or cooling device.
There are two conditions that must be met before the
economizer analog output will modulate. First, there
must be a call for cooling. Second, the outdoor air tem-
perature must be less than the setting set in program-
ming step #38.
Put the SZ1041A into occupied mode. You should be
able to adjust the output by going to programming step
#46 or 55 (depending on AO1 mode in step 41) and
varying the minimum position setting. You need to exit
programming before the change will take effect.
SeRviCe SCReenS
Continually pressing the service status button allows
more extensive monitoring. The screens are shown on
the following page.
LED Description
Six LEDs on the face allow the occupant to view the cur-
rent 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
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 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 pressing
the service key.
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 follow-
ing: CHECK FILTER, CHECK FAN,
DISCHARGE HIGH, DISCHARGE LOW,
or CHECK DI2.
discharge Air temperature Screen .
Shows discharge air temperature if sen-
sor is used.
outdoor Air temperature Screen.
Shows outdoor air temperature if sensor
is used.
override Status Screen. Shows wheth-
er 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.
heat or Cool Stages Status Screen.
Shows the status of the first and second
stages of heating or cooling.
service
status
MOD OUT 25%
DI1 OPEN
7.
service
status
HEAT STAGE 1 OFF
HEAT STAGE 2 ON
5.
service
status
OVERRIDE ON
178 MINUTES
4.
service
status
OUTDOOR AIR
TEMP 75F
3.
service
status
DISCHARGE AIR
TEMP 55F
2.
service
status
SERVICE STATUS
OK
1.
service
status
MON 11-19-01
12:00 AM 72F
modulating output 1 and di1
Status Screen. Shows the percent-
age of modulating output 1 and sta-
tus for DI1.
di2 and di3 Status Screen.
Shows DI2 status and filter status or
DI3 status.
main monitoring Screen. (Date not
shown on SZ1017a & SZ1017aW.)
service
status
DI2 SERVICE OFF
FILTER OK
8.
service
status
COOL STAGE 1 ON
COOL STAGE 2 OFF
6.
MON 08-08-08
12:00AM 72F
Occupied
Heating
C ooling
Fan
S ervice
Program/
Data