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TCS Basys Controls SZ1022N, Руководство по эксплуатации продукта

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R

W1 W2 Y1 Y2

Time Clock

Output

Packaged Unit/Heat Pump Terminations

1

For communication wiring, use
twisted, shielded 18 AWG.
Must be  run separately

2

Dry momentary contact.
Must not be powered.

3

24 VAC transformer. See
powering instructions.

4

Dry contact. Must not be powered.

1

3

4

4

G

4

5

Sensor input wiring 18 AWG,
twisted, shielded pair.

5

5

Zone/Return

Air Temp

Discharge

Air Temp

When multiple TCS devices are
using a single transformer, the
polarity of the power wiring must
be maintained because all TCS
devices are half-wave rectified
and have common return paths.

N2 Bus

6

Up to nominal 28 VAC from
equipment  transformer .

6

2

R

2800 LAURA LANE •  MIDDLETON, WI 53562 •  (800) 288-9383 •  FAX (608) 836-9044 •  www.tcsbasys.com

2

Wiring                               

The SZ1022N and SZ1024N use standard terminal
designations for wiring. See diagram below.

REMOTE SENSOR WIRING

Use 18 AWG shielded twisted-pair grounded at the sensor
mounting location. Sensor wiring runs of up to 250 feet are
attainable if properly shielded wire is used and the installation
environment is free of electrical noise.  Sensor wire should be
kept at least five feet away from line voltage wiring.

The SZ1022N or SZ1024N accept two remote sensors.
Consult the TS Series Temperature Sensor Submittal Data
sheet for a complete listing of packaging and application
styles. When using TCS/Basys Controls three-wire sensors,
use the black and red leads and either clip or twist off the
white lead. Make sure that the dip switches are set for the
sensors you are using.

POWERING THE SZ1022N AND SZ1024N

The SZ1022N and SZ1024N are powered from 24 VAC +/-
20%. 

Caution:

Do not connect to 120 VAC.

If wiring for communications, dedicated power must be used
to power the SZ1022N and SZ1024N. Several “S” Series
thermostats may be powered from the same transformer,
provided that the transformer has sufficient power.  (SZ1020
Series thermostats require 8 VA @ 24 VAC.)

When the SZ1022N or SZ1024N are used as stand-alone
thermostats without communications, the unit transformer
may be used to power it.  To do this, install a jumper between
the “R” and “+24” terminals.  The “24-” terminal must then
be connected to the common side of the unit transformer.

Содержание SZ1022N

Страница 1: ...ut economizers z Fan interlock safety option z Filter service input and indication z Equipment monitoring inputs and indication z External time clock input z Energy management input for setpoint shift...

Страница 2: ...hielded wire is used and the installation environment is free of electrical noise Sensor wire should be kept at least five feet away from line voltage wiring The SZ1022N or SZ1024N accept two remote s...

Страница 3: ...in the cover shown above connected with ribbon cable must be set in order to lock the user out of the program and or to set the clock and schedule Use the guide below to set these dipswitches for you...

Страница 4: ...g Screen Press the program setup button to access the following screens Access Code Entry Screen Will appear if access code is required for programming Use 248 as the default If the wrong code is ente...

Страница 5: ...for heat stage 1 First stage is normally 0 offset Heat Stage 1 Differential Screen Enter a differential value for heat stage 1 Heat Stage 2 Offset Screen Enter an offset value for heat stage 2 This sc...

Страница 6: ...his screen only appears if compressor 2 is enabled Compressor Stage 2 Differential Screen Enter a differential value for compressor stage 2 This screen only appears if compressor stage 2 is enabled Au...

Страница 7: ...creen Setting Clock and Schedule The SZ1022N and SZ1024N clock and schedule may be set through the display and keypad or with a PC For more information on programming through the PC consult the softwa...

Страница 8: ...set DI3 to time clock and close the contact when you want the room occupied such as with a switch or wind up timer If each occupancy period is about the same theaters meetings another option is to se...

Страница 9: ...rential consideration and ramps the setpoint when going from the unoccupied mode to the occupied mode At the beginning of the occupied mode the occupied setpoint will be reached many times without the...

Страница 10: ...e fan is on whenever the fan LED is on If the fan should be on but the fan LED is off check the fan and system switch modes and the unoccupied fan mode in programming If the fan is off but the fan LED...

Страница 11: ...e 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 d...

Страница 12: ...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 acces...

Страница 13: ...e heating setpoint is shifted down ADI 19 Seconds Internal time clock second 0 59 ADI 20 Minutes Internal time clock minute 0 59 ADI 21 DegF C Occupied heating setpoint 40 90 4 32 Occupied heating set...

Страница 14: ...s 4 per hour setpoint ramp prior to oc cupancy for both heating and cooling BD 7 Require access code 0 No 1 Yes Programming access from keypad for programming BD 8 Require access code 0 No 1 Yes Clock...

Страница 15: ...eck DI2 NOTE 1 The Service status point represents general Check status If this is point is 1 the user can find out the actual failing condition by polling point 38 to 42 If this point is 0 points 38...

Страница 16: ...DegF C Occupied heating setpoint 40 90 4 32 Occupied heating setpoint must be less than occupied cooling setpoint ADI 19 DegF C Unoccupied heating setpoint 40 90 4 32 Unoccupied heating setpoint must...

Страница 17: ...e access code 0 No 1 Yes Clock Schedule access from keypad for clock schedule BD 9 Enable compressor 2 0 disable 1 enable Disable unused stages recommended BD 10 Enable auxiliary heat 1 0 disable 1 en...

Страница 18: ...is 1 then by polling point 38 to 42 the user can find out actual failing condition If this point is 0 then points 38 to 42 will be also 0 NOTE 2 All of the ADI and BD points support the override funct...

Страница 19: ...R 2800 LAURA LANE MIDDLETON WI 53562 800 288 9383 FAX 608 836 9044 www tcsbasys com 19...

Страница 20: ...R 2800 LAURA LANE MIDDLETON WI 53562 800 288 9383 FAX 608 836 9044 www tcsbasys com 20 Rev 0305...

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