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Thevco TC5-8SDA, User Manual, Page: 36 / 58

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36

TC5-8SDA  rev.03

TC5-8SDA

 

3

  Activating / Deactivating Dehumidification

Set the selection knob to 

ROOM HUMIDITY - SETTINGS

.  The

current relative humidity is displayed as a percentage.

Press the push-button twice.  The current on/off state of dehu-

midification is displayed.

Use the adjustment knob to turn dehumidification on or off.

Summary of Contents for TC5-8SDA

Page 1: ...TC5 8SDA Temperature Controller USER S MANUAL M 890 00177 rev 03 REV 01...

Page 2: ...Locking the Parameter Settings 14 TEMPERATURE SETTINGS 15 Temperature Units 15 Viewing Temperatures 15 Temperature Set Point 18 Temperature Curve 19 MINIMUM VENTILATION CYCLE 23 Principle of Operation...

Page 3: ...ad or overvoltage we recommend installing an additional protection device on the controller s supply circuit The room temperature where the controller is located MUST ALWAYS REMAIN BETWEEN 32 F AND 10...

Page 4: ...y a temperature to within one tenth of a degree in Fahrenheit or Celsius units PILOT LIGHTS Pilot lights indicating the state of outputs allow the user to monitor the operation of the system without h...

Page 5: ...E ALARM OUTPUT FOUR INDEPENDENT TEMPERATURE PROBE INPUTS Up to four temperature probes can be connected to the controller in order to obtain a more accurate reading of the average room tempera ture an...

Page 6: ...6 TC5 8SDA rev 03 LOCATION OF THE CONTROLS...

Page 7: ...F 6 2 R E T A E H 7 E G A T S S I 2 R E T A E H N E H W R O N O E R A S N A F 7 E G A T S N E H W N O S N R U T N O 1 R E T A E H 8 E G A T S S I 1 R E T A E H N E H W R O N O E R A S N A F 8 E G A T...

Page 8: ...4 E B O R P 6 D E L B A S I D E B O R P E D I S T U O D E L B A N E E B O R P E D I S T U O 7 S E G A T S G N I T A E H O N S E G A T S G N I T A E H 8 R E T A E H 1 S R E T A E H 2 9 S R E T A E H G...

Page 9: ...t the voltage switch to the appropriate voltage Use the electrical knockouts provided at the bottom of the enclosure Do not make additional holes in the enclosure particularly on the side of the enclo...

Page 10: ...t as other cables Do not connect the shield from the probe cable to a terminal or a ground Switches are used to activate or deactivate the additional probes connected to the con troller Activate each...

Page 11: ...t is exposed to air or water 4 Defective Probes If a defective probe is detected the Defective Probe Pilot Light flashes The room temperature shown on the display is then the average tempera ture meas...

Page 12: ...e displayed alternating with the on off state of the probe and the letter P Outside Probe If the outside probe is defective the display shows the letter P when the parameter selec tion knob is set to...

Page 13: ...ture is displayed after six seconds if no action is taken by the user The absolute value is the temperature at which the stage turns on except in the case of the heater and mist offsets where the valu...

Page 14: ...er settings Set internal switch 1 to ON To unlock the parameter settings Set internal switch 1 to OFF iii When the user turns the adjustment knob to make an adjustment to the stage 2 differential the...

Page 15: ...n display values from 40 0o F to 120 0o F 40 0o C to 48 9o C 1 Viewing Room Temperature The room temperature is the average value of all temperatures measured by activated probes in proper operating c...

Page 16: ...e is connected to input 5 Set the selection knob to OUT SIDE To The outside tempera ture is displayed If no outside probe is connected is dis played 4 Viewing Minimum Maximum Temperatures The minimum...

Page 17: ...of the probe Turn the adjustment knob clockwise by one notch The minimum temperature is displayed alternating with the letters Lo Turn the adjustment knob clockwise one notch further The maximum temp...

Page 18: ...0 F and 99 9 F 40 0 C and 37 7 C Adjusting Temperature Set Point Set the selection knob to SET POINT T CURVE The current set point flashes on the display Use the adjustment knob to adjust the set poin...

Page 19: ...consecutive points of the curve When the last point of the curve is reached the temperature set point for that day is maintained until the curve is reactivated NOTES i All six points of the curve mus...

Page 20: ...or each of the six points Press the push button once again The day number is displayed alternating with the word day Using the adjustment knob set the day number to the desired value Press the push bu...

Page 21: ...n knob to ROOM TEMPERATURE If you have previously defined the points on the curve Set the selection knob to SET POINT To CURVE The current value of the temperature set point flashes on the display Pre...

Page 22: ...POINT To CURVE The current temperature set point is displayed Press the push button The current day number is displayed alternating with the letters cur day Use the adjustment knob to set the day num...

Page 23: ...he fans from freezing in winter During time on the Stage 1 fans run The Stages 1 2 Pilot Light flashes During time off the Stage 1 fans do not run The Stages 1 2 Pilot Light turns off Minimum Ventilat...

Page 24: ...o full operation of the Stage 1 fans The running time of the fans is simply defined accord ing to the minimum ventilation cycle This option is activated from the front panel At room temperatures at or...

Page 25: ...e When the room temperature reaches point A stage 1 fans run continuously with no transition When the temperature decreases to the set point Stage 1 fans start operating according to the minimum venti...

Page 26: ...the running time is adjusted the total cycle time remains unchanged Note that internal switch 6 must be set to ON for this feature to work In the first example given on the following page compensation...

Page 27: ...t time on value allowed after zero is 30 seconds ii The controller recalculates the compensation factor at the end of the time on portion of each timer cycle Minimum Ventilation Compensation 0 10 20 3...

Page 28: ...rrent differential for Stage 1 flashes on the display Use the adjustment knob to adjust the differential to the desired value 2 Viewing and Adjusting Stage 1 Timer Settings Time on can be adjusted bet...

Page 29: ...ING The current Stage 1 differential flashes on the display Press the push button The on off state of the ramping feature is displayed i e ON OFF Use the adjustment knob to set the state to the desire...

Page 30: ...34 12345678901234 12345678901234 12345678901234 12345678901234 12345678901234 12345678901234 12345678901234 12345678901234 12345678901234 12345678901234 12345678901234 12345678901234 12345678901234 12...

Page 31: ...cooling stage is turned on when the room temperature reaches the set point plus the sum of the differentials of the preceding stages plus the current stage differential If the room temperature falls W...

Page 32: ...letters St 2 Use the adjustment knob to adjust the differential to the desired value Press the push button The current differential for Stage 3 flashes on the display alternat ing with the letters St...

Page 33: ...been configured for mist or heating press the push button The current differential for Stage 7 flashes on the display alternating with the letters St 7 Use the adjustment knob to adjust the differenti...

Page 34: ...ET POINT Case 1 If TEMPERATURE SET POINT DIFFERENTIAL 1 The next available ventilation stage is turned on Case 2 If TEMPERATURE SET POINT DIFFERENTIAL 1 Stage 1 fans run continuously When the humidity...

Page 35: ...otch The room humidity is displayed again NOTE If you let the display flash for more than 10 seconds the controller resets the minimum and maximum humidity currently in memory the display stops flashi...

Page 36: ...fication Set the selection knob to ROOM HUMIDITY SETTINGS The current relative humidity is displayed as a percentage Press the push button twice The current on off state of dehu midification is displa...

Page 37: ...ning time of the mist units and time off is the off time of the mist units The other ventilation stages operate as explained above To configure the controller to operate a mist stage set internal swit...

Page 38: ...greater than the humidity cut off To use this mode set internal switch 10 to ON 1 Adjusting Mist Differential The mist differential is the variation in room temperature between the moment the mist un...

Page 39: ...he letters Oft Using the adjustment knob set the offset to the desired value 3 Adjusting Mist Timer Settings Time on and time off can be adjusted between 0 and 60 minutes in increments of 1 minute To...

Page 40: ...cut off value the mist units stop operating The humidity cut off can be adjusted from 40 to 100 Set the selection knob to MIST TIMER OFFSET DIFF HUMID ITY CUT OFF The current time on for the mist cycl...

Page 41: ...7 to ON and 8 to OFF If the room temperature rises at Set Point Heater 1 Offset Heater 1 Diff Heater 2 turns off at Set Point Heater 1 Offset Heater 1 turns off If the room temperature falls at Set P...

Page 42: ...ting zones can have negative and positive heater offsets A negative offset is used when controlling heat mats for example To avoid ventilation problems when using zoned heating a special protection is...

Page 43: ...oom temperature rises at Set Point Heater Offset 1 Zone 1 Heater 1 turns off at Set Point Heater Offset 2 Zone 2 Heater 2 turns off If the room temperature falls at Set Point Heater Offset 1 Diff 1 Zo...

Page 44: ...ER 1 OFFSET DIFF or HEATER 2 OFFSET DIFF The current heating offset is displayed alternat ing with the letters OFt Use the adjustment knob to adjust the offset to the de sired value 2 Adjusting Heater...

Page 45: ...ween zones is greater than this parameter The default value is 7 5 F 4 2 C and values range from 5 F to 40 0 F 2 8 C to 22 2 C Set the selection knob to HEATER 2 OFFSET DIFF The current heater offset...

Page 46: ...the reference point This means an alarm is set off when the indoor temperature reaches Outside Temperature High Alarm Offset Internal switch 6 must be set to ON to use this feature A third parameter...

Page 47: ...t high alarm offset flashes on the display alternating with the word HI Use the adjustment knob to set the high alarm offset to the desired value Press the push button The current critical high temper...

Page 48: ...lector knob to the ROOM TEMPERATURE The current room is displayed Press and hold the push button for 5 seconds The letters TST are displayed alternating with the room temperature Turn the adjustment k...

Page 49: ...ective Probe Pilot Light is on One or more probes are defective Follow the procedure described in DEFECTIVE PROBES to identify and replace the defec tive probe The display board interconnect cable is...

Page 50: ...he Stage s fuse is open Replace the fuse Make sure the cable is firmly plugged in with the tabs in place The display board interconnect cable is not plugged into the power supply board properly The fa...

Page 51: ...ff is set to zero Set time off to a value other than zero Stage 1 fans do not stop running when the controller is operating in minimum ventilation cycle The wiring is incorrect Correct the wiring In p...

Page 52: ...ld be combined with another line N for 115V or L2 for 230V to activate the motor or heating unit Also make sure the Stage COMMON is supplied by line L1 Verify if the motor or heating unit is defective...

Page 53: ...low blow Stage 5 ON OFF output 115 230 VAC 50 60 Hz 30VDC 6A FAN 10A RES fuse F5 10A slow blow Stage 6 ON OFF output 115 230 VAC 50 60 Hz 30VDC 6A FAN 10A RES fuse F6 10A slow blow Stage 7 ON OFF outp...

Page 54: ...1 o t 3 0 o C n O e m i T e t u n i m 1 s e t u n i m 0 6 o t 0 f f O e m i T s e t u n i m 0 1 t u C y t i d i m u H f f o 5 9 0 0 1 o t 0 4 1 r e t a e H t e s f f O 2 o 1 1 F o C 0 2 o t 0 1 o F 1...

Page 55: ...S e v r u c F F O n O e v r u c e r u t a r e p m e t f o s u t a t S Y A d e v r u c e r u t a r e p m e t t n e r r u c e h t f o r e b m u n y a D t n i o p t e s t n i o p e v r u c e r u t a r e...

Page 56: ...p m o C y t i d i m u H 1 R E T A E H T E S F F O F F I D P t S t f O e r u t a r e p m e t p o t s t e s f f o 1 r e t a e H r t S F i d e r u t a r e p m e t t r a t s l a i t n e r e f f i d 1 r e...

Page 57: ...tion from one state to another For example when the temperature drops to the cut off point for a stage of constant speed fans the fans will actually be cut off at slightly less than the cut off point...

Page 58: ...gradually until the minimum ventilation settings are reached SET POINT The set point is the target room temperature When the temperature is above the set point the controller cools the room by turning...

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