ST 5110 - Munters
Contents
1. If you activated the temperature curve yesterday the current day num ber of the temperature curve is d6 Therefore if you activate the mini mum speed curve today it will effectively be in operation in 4 days when the current day number of the temperature curve reaches d10 In the meantime the fans will run at the specified single mini mum speed see example 2 If you activated the temperature curve six days ago the current day number of the temperature curve is d11 Therefore if you activate the minimum speed curve today it will effectively be in operation the mo ment you activate it In this case the current minimum speed will be a value between 10 and 20 1329 00 7 ST 5110 EH Specifying the Minimum Speed Curve Disi usi ds PROBE TEMP ALARM LO HIGH STAGE 1 MP La ee START STAGE 2 TEMP HEATER A OFF TEMP HEATER A Setthe selection knob to STAGE 1 MINIMUM SPEED CURVE The current minimum speed flashes on the display Pressthe push button The word OFF is displayed indicating that the minimum speed curve is deactivated If this is not the case deacti vate the curve as described below Repeat the following steps for each of the six points Pressthe push button once again The word day is displayed alter nating with the day number Forthe first point of the curve use the adjustment knob to adjust the day number to the desired value For2. a speed curve see below NOTE Thecontroller supplies maximum voltage to the variable speed fans for 2 seconds immediately following each start up Minimum Ventilation Cycle Settings 1 Torunthefans continuously at minimum speed settime offto zero and time on to any value other than zero 2 To stop the fans set time on to zero and time off to any value 3 To run the fans intermittently set time on to the desired running time and time off to the desired off time 2 QM1329 rev 00 ST 5110 E Adjusting Minimum Speed The minimum speed can be adjusted between 10 and 100 ofthe full speed of the fans Set the selection knob to STAGE PROBE TEMP 1 m SPEFD CURVE Sii PN rte The current minimum speed for Nb Stage 1 flashes on the display MER p 4 BANDWIDTH the adjustment knob to ad A just the minimum speed to the de OFF TEMP sired value NOTE The minimum speed can be adjusted only if the minimum speed curve is deactivated or if the minimum speed curve is activated but not cur rently operating see below El adjusting Stage 1 Time On and Time Off B Set the selection knob to STAGE 1 TIMER The current time on for Stage 1 flashes on the display alternating with the letters On B Use the adjustment knob to adjust time on to the desired value Pressthepush button Thecurrenttime off for Stage 1 flashes onthe display alternating with
3. all other points of the curve the day number can not be adjusted Pressthe push button once again The minimum speed for that day is displayed alternating with the letters SPd B Use the adjustment knob to adjust the minimum speed to the desired value NOTES i The minimum speed curve must be deactivated before specifying the points on the curve see below ii All six points of the curve must be specified If you do not need six different points repeat your last minimum speed for each unnec essary point of the curve 8 QM 1329 ev 00 ST 5110 iii Certain restrictions apply to reduce the risk of errors decreasing minimum speeds are not allowed the minimum speed variation cannot exceed 10 per day EI Activating the Minimum Speed Curve If you have just finished specifying the points on the curve Pressthe push button once again The word OFF is displayed Turn the adjustment knob clockwise by one notch The word ON flashes on the display and the Minimum Speed Curve Pilot Light turns on indicating that the minimum speed curve is now activated If you have previously specified the points on the curve Set the selection knob to STAGE 1 MINIMUM SPEED CURVE The current minimum speed flashes on the display Pressthe push button to display the points of the curve currently de fined until the word OFF appears fourteen clicks Turnthe adjustment knob clockwise by one not
4. and the controller has been programmed witha different motor curve for each of these categories To ensure that the controller supplies the correct voltages an appropriate curve must be selected for Stage 1 according to the type of fan motors used see table on following page Selecting a Motor Type Refer to the list of motors on the following page to determine which type number 1 to 5 is appropriate for the motors used Set the selection knob to edel ubt d PROBE TEMP STAGE 1 BANDWIDTH The PM Stage 1 bandwidth flashes on the displ Rb v MINIMUM SPEED CURVE Isp ay gt A SEED B Press the push button The cur san RS rently selected type is displayed alternating with the letters tYP Use the adjustment knob to adjust the motor type to the desired value Return to the Stage 1 bandwidth display by pressing the push button QM 1329 rev 00 9 ST 5110 Minimum Speed Setting and Motor Curve Selection Control Settings Minimum Model Numbers AT09Z1 AT10SP1 AT10AP1 120 VAC AT09Z2 105 2 AT10AP2 240 VAC AT14Z AT14F AT14G AT15AP AT15SP AT16Z AT16F AT16G AT18Z AT18F AT18G GB18 AT24Z AT24F AT24G GB24 AT36Z AT36ZB1 AT36G1 AT36GB1 The above values assume the following conditions unless noted otherwise 1 Input Voltage 240 VAC 2 Static Pressure 0 05 S P 3 Fan Accessories Hoo
5. letters PR are displayed alternating with the on off state of the probe and the letter P 12 QM 1329 rev 00 CHANGING THE PARAMETER SETTINGS THE MEANING OF A FLASHING DISPLAY s The display will flash cer tain cases and not in others The flashing indicates that the value shown be adjusted A value that is not flashing cannot be adjusted b LOCKING THE PARAMETER SETTINGS The parameter settings can be locked to prevent accidentally modifying them When the settings are locked only the temperature set point and the Stage 1 minimum ventilation speed can be modified as long as the tem perature curve and the minimum ventilation speed curve are deactivated respectively To lock the parameter settings Setinternal switch 1 to ON The Locked Parameter Pilot Light turns on To unlock the parameter settings Set internal switch 1 to OFF The Locked Parameter Pilot Light turns off QM 1329 00 13 TEMPERATURE SETTINGS TEMPERATURE UNITS Temperatures can be displayed in either Celsius or ON Fahrenheit units Set internal switch 2 to the desired position ON to display temperatures in Celsius units OFF to display temperatures in Fahrenheit units 2 VIEWING TEMPERATURES PROBE TEMP 3 7 The readout can display values from SET POINT TEMP CURVE 40 0 F to 120 F 40 0 C to 48 9 C e e
6. selection knob to STAGE 2 START TEMP The current starting temperature flashes on the display Usethe adjustment knob to adjust the temperature to the desired value 4 QM1329 rev 00 ST 5110 MINIMUM VENTILATION SPEED CURVE The user can define a minimum ventilation speed curve to adjust the Stage 1 minimum speed automatically over a given time period Each curve is defined by six points Each point specifies a day number and a fan speed for that day Once the points are defined the minimum speed curve must be activated When the minimum speed curve is activated the controller adjusts the Stage 1 minimum speed every hour in a linear fashion be tween two consecutive points When the last point of the curve is reached the curve is deactivated The controller maintains the minimum speed specified for this point until the curve is reactivated or until a new single minimum speed is specified using the first method Temperature or Speed Minimum Speed Curve Temperature Curve d4 10 45 435 d50 d70 480 Days NOTE If the room temperature falls below the threshold value given in Table 1 the fans will begin to run at the minimum speed specified for the first point of the curve and will continue to do so as long as the room temperature remains below the set point When the room temperature rises above the set point the fans will return to the current minimum speed calculated according to the minimum speed curve 132
7. 9 00 5 ST 5110 Table 1 STAGE 2 OPERATION THRESHOLD VALUE Cooling Set Point 5 0 F 2 8 C Heating Heater A Starting Temperature 5 0 F 2 8 C Interaction Between the Temperature Curve and the Mini mum Speed Curve The minimum speed curve be activated only if the temperature curve is already activated All points of the minimum speed curve other than the first one are automatically given day numbers identical to those specified for the temperature curve Only the first point of the minimum speed curve has an adjustable day number This day number must be greater or equal to the day number specified for the first point of the temperature curve and less than the day number specified for the second point of the temperature curve see example 1 EXAMPLE 1 TEMPERATURE CURVE MINIMUM SPEED CURVE POINT 1 d5 d5 to d19 adjustable POINT 2 d20 d20 not adjustable 6 QM 1329 rev 00 ST 5110 When the minimum speed curve is activated it will effectively be oper ating i e the controller will begin to adjust the minimum speed ac cording to the specified points of the curve only when the current day number of the temperature curve reaches the first day number of the minimum speed curve EXAMPLE 2 TEMPERATURE CURVE MINIMUM SPEED CURVE Day Temperature Day Speed POINT 1 d5 90 0 F 010 10 POINT 2 d20 85 0 F d20 20
8. ING UNITS ARE ON TEMP LASHES WHEN THE TEMPERATURE CURVE IS ACTIVATED CURVE URNS ON WHEN THE MINIMUM VENTILATION SPEED CURVE IS LSO ON DEF PROBE TURNS ON WHEN A DEFECTIVE PROBE IS DETECTED ALARM TURNS ON WHEN AN ALARM IS DETECTED LOCKED TURNS ON WHEN CONTROLLER PARAMETERS ARE LOCKED ON INTERNAL SWITCHES 12 3 4 5 6 7 8 9 10 11 12 The internal switches are located on the inside of the front cover When the controller is shipped from the factory all the switches are set to OFF UNLOCKED PARAMETERS LOCKED PARAMETERS 2 FAHRENHEIT DEGREES CELSIUS DEGREES STAGE 2 COOLING STAGE 2 HEATING 1329 00 7 INSTALLATION MOUNTING INSTRUCTIONS Open the latch and lift the cover Remove the black caps located on each of the four mounting holes Mount the enclosure onthe wall using four screws Be sure the electrical knockouts are at the bottom of the enclosure in order to prevent water from entering the controller Insertthe screws inthe mounting holes andtighten Fasten the four black caps provided with the controller onto the four mounting holes The enclosure must be mounted in a location that will allow the cover to be completely opened right up against the wall CONNECTIONS Toconnect the controller refer to the wiri
9. R CONTROL The controller can be connected to a computer thus making it possible to centralize the management of information and diversify control strategies CONTROL OF AIR INLET MOVEMENT If the ST 5110 is used in combination with a SB 2000 controller the move ment of the air inlets can be coordinated with the operation of the fans using a potentiometer located on the curtain machine or baffle actuator This allows the air inlets to be adjusted correctly without the influence of uncon trollable factors such as wind or air from adjoining rooms When tunnel ventilation is being used the SB 2000 closes the air inlets HIGH LOW TEMPERATURE ALARM OUTPUT QM 1329 rev 00 5 LOCATION OF THE CONTROLS AeroSpeed 1 1 one Series 5 System Experts DIGITAL aerotech DISPLAY SCREEN 515110 Second Functions FUNCTION SELECTION Stage 1 PARAMETER PUSH BUTTON SELECTION Bushtodut Stage 2 Heater A KNOB Temp Curve Def Probe tele aia PROBE TEMP Lommen STAGE 1 SET POINT TEMP CURVE Alarm Locked MINIMUM SPEED CURVE gt TIMER CONTROLLER STATUS LEDS P BANDWIDTH v START STAGE 2 SETTINGS TEMP HEATER PARAMETER ADJUSTMENT OFF THEATER Al AD AR AEROTECH INC Mason M 48854 USA 6 QM 1329 00 ST 5110 CONTROLLER STATUS LEDS LED MEANING STAGE 1 RNS ON WHEN STAGE 1 FANS ARE ON STAGE 2 HEATER A URNS ON WHEN STAGE 2 FANS OR HEAT
10. Temperature Controller ol 5110 USER S MANUAL AeroSpeed 1 1 uo Series 5 System Experts aerotech ST5110 Second Functions Stage 1 Push to Set Stage 2 Heater A Temp Curve DISTRI IJ PROBE TEMP LO HIGH 1 a SET POINT TEMP CURVE BuL SE I Ng w MINIMUM SPEED CURVE Locked gt TIMER BANDWIDTH 7 5 SUNT STAGE 2 SETTINGS TEMP HEATER A OFF TEMP HEATER A Def Probe Alarm AEROTECH INC Mason 48854 USA Aerotech Inc FORM QM 1329 4215 Legion Dr Mason 48854 1036 USA October 1998 Ph 517 676 7070 Fax 517 676 7078 TABLE OF CONTENTS Page PRECAUTIONS irist eenn roe a teie 3 ARPIT E A A T 4 LOCATION OF THE CONTROLS 6 Controller Status Leds 7 Internal owltelies esee koe qe ena ci roe totes 7 INSTALLATION 8 Mounting Instructions 8 ensi pp 8 ULVOS e ortho PE Rr kie d ER RED 9 Heating Cooling Option 11 Temperature Probes 11 CHANGING THE PARAMETER SETTINGS 13 The Meaning of a Flashing Display 13 Locking the Parameters Settings 13 TEMPERATURE SETTINGS 14 Temperature Uni
11. age protection fuse F11 1A fast blow 12 VDC for AC back up supply can activate stage 2 and alarm if supplied with DC back up voltage Stage 1 Variable output 60 Hz 10A FAN 3 4 HP 115 VAC 1 5 HP 230VAC fuse F1 15A slow blow Stage 2 ON OFF output 115 230 VAC 60 Hz 30VDC 6A FAN 10A RES fuse F2 15A slow blow Alarm ON OFF output 115 230 VAC 60 Hz 30VDC 3A fuse F8 3A slow blow Probes Low voltage lt 5V isolated from the supply Operating range 40 0 to 120 0 F 40 0 to 48 9 Accuracy 1 8 F 1 C between 41 and 95 F 5 and 35 C Enclosure ABS moisture and dust tight The room temperature where the controller is located MUST ALWAYS REMAIN BETWEEN 32 AND 104 F 0 AND 40 C 6 QM 1329 rev 00 FACTORY SETTINGS PARAMETER Temperature Set Point FACTORY SETTING 75 F 23 9 C RANGE OF VALUES 40 to 99 9 F 40 to 37 7 C Minimum Speed 40 10 to 100 Stage 1 increments of 15 Time Off 0 seconds seconds F 0 5 to 20 F Bandwidth 3 0 F 1 7 C 0 3 to 11 1 C 0 5 to 20 F Stage 2 Starting Temp B0 F 26 7 C 0 3 to 11 1 C from Bandwidth Mist increments of 1 Time Off 0 minutes minute 20 to 10 F Heater Off Temperature 74 59 29 11 1 to 5 6 C from Set Point Low Temperature 65 F 18 3 C 0 5 to 40 F Alarm 0 3 to 22 2 C from High 87 F 30 6 C Set Point Temperature NOTES i The
12. cable causes this probe to measure sudden variations in the room tempera ture SOLUTION Adjust the minimum speed to a higher value Check if the motor is defective by connecting it to an alternate power supply If it still is not operating replace the motor Select an appropriate motor curve Refer to motor curves Adjust the stage 1 differential to a higher value Adjust the stage 1 time on or time off to a higher value Be sure the room probes are dry Locate them away from drafts and sources of radiant heating Isolate the room probe cables from all high voltage sources Do not route probe cables and other power cables through the same electrical knockout Do not run probe cables next to other power cables When crossing other power cables cross at 90 1329 00 3 ST 5110 PROBLEM The stage 1 variable speed cooling fans run continuously when the room temperature is below the room set point minimum ventilation cycle CAUSE The stage 1 time off is set to zero The wiring is incorrect SOLUTION Set the stage 1 time off to a value other than zero Correct the wiring Be sure two different lines are con nected to each fan motor line L1 modulated by the controller should be combined with another line N for 115V or L2 for 230V to activate the motor Also be sure the stage 1 COMMON is supplied by line L1 The mist is not operating as The m
13. ch The word ON flashes on the display and the Minimum Speed Curve Pilot Light turns on indicating that the minimum speed curve is now activated 1329 00 9 ST 5110 Viewing Current Minimum Speed and Day When the minimum speed curve is activated the current minimum speed and day number can be viewed at any time To modify the day number refer to the section on temperature curves Setthe selection knob to STAGE 1 MINIMUM SPEED CURVE The current minimum speed is displayed a Press the push button The current day is displayed alternating with the letters cur dAY Deactivating the Minimum Speed Curve Setthe selection knob to STAGE 1 MINIMUM SPEED CURVE The current minimum speed is displayed a Press the push button to display the points of the curve currently defined until the word ON appears fourteen clicks Tumthe adjustment knob counterclockwise by one notch The word OFF flashes on the display and the Minimum Speed Curve Pilot Light starts blinking indicating that the minimum speed curve is now deactivated 10 QM 1329 00 ST 5110 MIST COOLING Stage 2 can be configured as a mist stage if no heating stage is needed To access the parameters position the selector switch at the Stage 2 starting temperature The parameter settings are as follows Starting Temperature F or C The mist starting temperature is the temperature at which the mist units turn
14. d Guard and Shutter if applicable For configurations or requirements other than above refer to Form QM1065 10 QM 1329 00 ST 5110 HEATING COOLING OPTION Stage 2 can operate as a heating or cooling stage ON c Set switch to OFF to use stage 2 for cooling c Set switch 4 to ON to use Stage 2 for heating TEMPERATURE PROBES EH Connecting the Probes The controller is supplied with one room probe connected to input 1 Three additional probes can be connected to inputs 2 3 and 4 in order to obtain a more accurate reading of the average room temperature and a faster reaction time see wiring diagram enclosed CAUTION Probes operate at low voltage and are isolated from the supply Be sure that probe cables remain insulated from all high voltage sources In particular do not route the probe cables through the same electrical knockout as other cables Do not connectthe shield from the probe cable to an input or a ground Bm Extending the Probes Each probe can be extended upto 500 feet 150 meters To extend a probe Use ashielded cable of outside diameter between 0 245 and 0 260 in 6 22 and 6 60 mm the cable dimensions should not be under 18 AWG to ensure the cable entry is liquid tight Do not ground the shielding QM 1329 00 11 ST 5110 preferable to solder the cable joint to ensure proper contact between the two cables CAUTION Do n
15. g with the letters Pr x etc Notes i The display returns to the average room temperature after one minute ii Initially only probe one is activated iii At least one probe must be activated at all times ES Viewing Minimum Maximum Temperatures The minimum and maximum temperatures are the lowest and highest tem perature values recorded since the last reset Maximum and minimum temperatures values are recorded for the average room temperature as well as for individual probe temperatures Set the selection knob to ROOM TEMPERATURE PROBE TEMP The room temperature is displayed 1329 00 15 ST 5110 Turn the adjustment knob clockwise by one notch The minimum temperature is displayed alternating with the letters Lo the adjustment knob clockwise one notch further The maxi mum temperature is displayed alternating with the letters Hi the adjustment knob clockwise a third notch The room tem perature is displayed again Foreach individual probe press the push button The temperature reading from probe x is displayed alternating with the letters Pr x and the on off state of the probe Turn the adjustment knob clockwise by one notch The minimum is displayed alternating with the letters Lo B Turnthe adjustment knob clockwise one notch further The maximum temperature is displayed alternating with the letters Hi Turn the adjustment knob cloc
16. her continously or intermittently to reduce the level of humidity and supply oxygen to the room TEMPERATURE AND MINIMUM VENTILATION SPEED CURVES The controller can be set to automatically change the temperature set point and the minimum ventilation speed over a given period of time in accordance with the user s requirements by specifying a temperature curve and a mini mum ventilation speed curve with up to six different points each CHOICE OF FIVE MOTOR CURVES The variation in motor speed resulting from a change in voltage will depend onthe make and capacity of the motor In order to achieve a high degree of compatibility between controller and motor the user can choose from among five different motor curves thus ensuring that the correct voltage is supplied 4 QM1329 rev 00 ST 5110 FULL SPEED FAN START UP In order to overcome the inertia of the ventilation system components and de ice the fan blades in cold weather conditions the controller supplies maximum voltage to the variable speed fans for 2 seconds immediately following each start up 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 temperature and a faster reaction time OVERLOAD AND OVERVOLTAGE PROTECTION Fuses are installed at the input and outputs of the controller to protect its circuitry in the case of an overload or overvoltage COMPUTE
17. ist time on and time off were The mist time on and time off are in minutes Adjust the mist desired incorrectly adjusted time on and time off correctly The cooling The wiring is Correct the wiring Be sure fans are not incorrect two different lines are con running nected to each fan motor or heater the controller s output or line L1 should be combined The heaters are not turning on 4 QM1329 rev 00 The stage s fuse is open with another line N for 115V or L2 for 230V to activate the fan motor or heater Also be sure the stage s COMMON is supplied by line L1 Replace the fuse ST 5110 PROBLEM The cooling fans are not running or The heaters are not turning on continued CAUSE The display board interconnect cable is not properly plugged into the power supply board The fan motor or heater is defective The controller is defective SOLUTION Be sure the cable is firmly plugged in Check if the motor or heater is defective by connecting it to an alternate power supply If it still is not operating replace the motor or heater Listen to see if there is a clicking sound when the stage or heater pilot light turns on If there is no clicking sound contact your distributor to repair the controller QM 1329 rev 00 5 TECHNICAL SPECIFICATIONS Supply 115 230 VAC 18 8 60 Hz L1 same phases as Stage 1 overload and overvolt
18. kwise a third notch The probe tem perature is displayed again B For each additional probe press the push button The temperature reading from probe x is displayed alternating with the letters Pr x and the on off state of the probe etc NOTE If you let the display flash for more than 10 seconds the control ler resets the minimum and maximum temperatures currently in memory the display stops flashing to indicate that the reset has been done 16 QM 1329 rev 00 ST 5110 TEMPERATURE SET POINT PROBE TEMP The temperature set point is the target GED omon arr room temperature It be adjusted NS DNNTRRIEFEESTCURUM between 40 0 F and 99 9 F 40 0 C gt TIMER and 37 70 PN BANDWIDTH START STAGE 2 TEMP HEATER A OFF TEMP HEATER A Adjusting the Temperature Set Point Setthe selection knob to SET POINT TEMP CURVE The current set point flashes on the display Use the adjustment knob to adjust the set point to the desired value NOTE The temperature set point can be adjusted only if the temperature curve is deactivated see following section QM 1329 rev 00 17 ST 5110 TEMPERATURE CURVE The user can define a temperature curve to adjust the set point automatically over a given time period Temperature d4 425 435 450 70 480 Days Acurve is defined using six points Each point specifies a day number and a set point for that day Once
19. ng Current Set Point Day Number When the temperature curve is activated the current temperature set point and day number can be viewed at any time The current day number can also be adjusted in order to move forward or backward on the temperature curve Set the selection knob to SET POINT TEMP 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 number to the desired value 4 Deactivating the Temperature Curve Set the selection knob to SET POINT TEMP CURVE The current temperature set point is displayed Press the push button to display the points of the curve actually de fined until the word ON appears fourteen clicks Turn the adjustment knob counterclockwise one notch The word OFF flashes on the display and the Temperature Curve Pilot Light turns off indicating that the temperature curve is now deactivated B Set the selection knob to ROOM TEMPERATURE 1329 00 21 VENTILATION SETTINGS COOLING OPERATION The ST 5110 controls one stage of variable speed fans Stage 1 and one optional stage of constant speed fans Stage 2 Ventilation Level 1 5 F STAGE2 STAGE 1 Bandwidth Room Stage 1 Temp Temperature Start Temp Set Point Stage 2 Ventilation Cycle If room temperature rises When
20. ng diagram enclosed with this user s manual Getthe 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 top of the enclosure when using a SL 1400 communication board B metallic cable holders are used to secure cables entering the enclosure use the ground plate provided with the controller Connect the ground wire to the ground stud on the plate For the heating stages it may be necessary to install a transformer in order to supply the appropriate voltage to the heating unit ALARM CONNECTION There are two types of alarms on the market One type activates when current is cut off at its input whereas the other activates when currentis supplied atits input For an alarm ofthe first type use the NO terminal as shown onthe wiring diagram Foranalarmofthe second type use the NC terminal ALL WIRING MUST BE DONE BY AN AUTHORIZED ELECTRICIAN AN AND MUST COMPLY WITH APPLICABLE CODES LAWS AND REGULATIONS BE SURE POWER IS OFF BEFORE DOING ANY WARNING WIRING TO AVOID ELECTRICAL SHOCKS AND EQUIPMENT DAM AGE 8 QM 1329 rev 00 ST 5110 MOTOR TYPES The relationship between the voltage supplied to a motor and its operating speed is described by a motor curve This curve varies with the make and capacity ofthe motor The various motors available in the industry have been divided into five categories
21. on see the diagram below The starting temperature minus 1 5 F is the temperature at which the mist units turn off Mist units turn on Mist units turn off in timer mode Mist iat OFF 4 Room Set Point Starting Temperature Temperature Time on minutes The mist units operate according to a timer cycle The time on is the running time of the mist units Time off minutes The time off is the off time of the mist units Note that time off mustbe non zero in order forthe controller to recognize the stage as a mist stage TIME 4 ON OFF lt gt TIME OFF 1329 00 11 ST 5110 Adjusting the Mist Starting Temperature The difference between the mist starting temperature and the starting temperature of the preceding stage can go from 0 5 F to 20 0 F 0 3 C 11 1 Set the parameter selection knob to STAGE 2 START TEMP The current starting temperature appears flashing on the display Using the adjustment knob set the starting temperature to the desired value Adjusting the Mist Timer Settings Time and Time off can be adjusted between 0 and 60 minutes increments of 1 minute Set the parameter selection knob to STAGE 2 START TEMP The current starting temperature appears flashing on the display Push the push button The word On flashes on the display alternat ing with the current time on value Tu
22. otrun probe cables next to other power cables When crossing over other cables cross at 90 BH Defective Probes If a defective probe is detected the Defective Probe Pilot Light turns on The room temperature shown on the display is then the average temperature measured by the probes in working condition The controller will operate according to this temperature Toidentify the defective probe Setthe selection knob to ROOM TEMPERATURE The room tem perature is displayed Com Y nont CEN a CURVE N p 1 w MINIMUM SPEED CURVE TIMER B Press the push button If the probe connected to input 1 and supplied with the controller is not defective the letters PR1 are dis played alternating with the on off state of the probe and the tem perature measured by the probe A AS BANDWIDTH v START STAGE 2 TEMP HEATER A OFF TEMP HEATER A If the probe is defective the letters PR1 are displayed alternating with the state of the probe and the letter P For each additional probe connected to the controller M Press the push button once again If the probe is not defective the letters PR where is the number of the input to which the probe is connected are displayed alternating with the on off state of the probe and the temperature measured by the probe If the probe is defective the
23. perature to the desired value m Press the push button The current high alarm temperature flashes on the display alternating with the word HI B the adjustment knob to set the high alarm temperature to the desired value 1329 00 15 TROUBLESHOOTING GUIDE PROBLEM There is no display The display shows P when the parameter selection knob is set to ROOM CAUSE The circuit breaker at the service panel is off or tripped The wiring is incorrect The voltage selector Switch is in the wrong position The display board interconnect cable is not properly plugged into the power supply board A room probe is connected improp erly A room probe is defective SOLUTION Correct the problem and reset the circuit breaker Correct the wiring Set the switch to the correct position Be sure the cable is firmly plugged in Correct the room probe connection Refer to defective probes The defective probe pilot light is on A room probe is defective Refer to defective probes QM 1329 rev 00 1 ST 5110 PROBLEM The display shows sudden variations in the room or outside temperature CAUSE A variation in resistance is induced on a probe There is electrical noise near a probe cable SOLUTION Be sure the probes are dry Locate them away from drafts and sources of radiant heat ing Be sure the outside probe is ins
24. rn the adjustment knob to adjust the time on to the desired value in minutes Press the push button once again The word Off flashes on the display alternating with the current time off value Turn the adjustment knob to adjust the time off to the desired value in minutes Note that time off must be non zero in order for the control ler to operate the stage as a mist stage 12 QM 1329 00 HEATER SETTINGS PRINCIPLE OF OPERATION The graph below explains the operation of the heater using sample values Heating Heater A ON Heater A Heater A OFF Temperature HEATER OFF Set Point A ON TEMP 75 F TEMP 74 F 72 F If the room temperature rises at 74 F Heater A turns off If the room temperature falls at 72 F Heater A turns on QM 1329 rev 00 13 ST 5110 m Adjusting the Heater Off Temperature The heater off temperature can provide substantial energy savings if cor rectly adjusted according to the outside temperature It is the temperature at which the heating units turn off see diagram above The off tempera ture is bounded above by the set point plus 10 F and below by the set point 20 F Set selection knob to HEATER Prose TEMP OFF TEMP The current wien off temperature flashes on the display i v MINIMUM SPEED CURVE gt TIMER v B the adjustment knob to ad just the off temperature
25. room temperature lt Set Point the stage 1 fans run at minimum speed according to the minimum ventilation cycle AtSetPoint the stage 1 fans stop operating according to the minimum ventilation cycle and increase in speed as the room temperature rises At Set Point Bandwidth 1 the stage 1 fans reach full speed At Stage 2 Starting Temp the stage 2 fans start running If the room temperature falls At Stage 2 Starting Temp 1 5 F the stage 2 fans return to a stop At Set Point Bandwidth 1 Stage 1 fans start decreasing in speed as the temperature decreases At Set Point the Stage 1 fans reach minimum speed 1329 rev 00 1 ST 5110 Below the Set Point the stage 1 fans stop operating continuously and operate according to the minimum ventilation cycle at minimum speed MINIMUM VENTILATION CYCLE When the room temperature is below the set point the Stage 1 fans operate according to the minimum ventilation cycle Running the fans even though ventilation is not required for a cooling purpose is useful to reduce humidity levels and supply oxygen tothe room Italso prevents the fans from freezing in winter TIME ON STAGE 1 STAGE 1 MIN SPEED OFF lt gt TIME OFF STAGE 1 During time on the Stage 1 fans run at Stage 1 minimum speed The Stage 1 Pilot Light turns on During time off the Stage 1 fans do notrun The Stage 1 Pilot Light turns off The Stage 1 minimum speed can also be defined by
26. room temperature where the controller is located MUST ALWAYS REMAIN BETWEEN 32 F AND 104 F 0 C TO 40 C To avoid exposing the controller to harmful gases or exces sive humidity it is preferable to install it in a corridor DO NOT SPRAY WATER ON THE CONTROLLER FOR CUSTOMER USE Enter below the serial number located on the side of the controller and retain this information for future reference Model number ST 5110 Serial number Date installed QM 1329 rev 00 3 FEATURES The ST 5110 is an electronic device used for environmental control in live stock buildings It allows the user to maintain a specified target tempera ture by controlling the operation of ventilation and heating equipment One stage of variable speed cooling fans can be connected to the controller as well as one stage of either constant speed fans or heating units In addition the last cooling stage can be configured as a mist cooling stage The main features of the ST 5110 are as follows THREE DIGIT DISPLAY A three digit display provides a high level of accuracy allowing the user to specify a temperature to within one tenth of a degree in Fahrenheit or Cel sius units PILOT LIGHTS Pilot lights indicating the state of outputs allow the user to monitor the operation of the system without having to enter the building MINIMUM VENTILATION CYCLE When ventilation is not required for cooling the first stage fans can be oper ated eit
27. se initial parameter settings will not be retained in the controller s memory Each new setting will replace the preceding one ii If the power supply is cut off the last parameter settings will be retained in memory until the power is restored 1329 rev 00 7
28. ss the push button once again The current temperature set point is displayed alternating with the word set Usingthe adjustment knob adjust the set point to the desired value Once the six points of the curve have been specified activate the curve as explained below NOTE Make sure the temperature curve is deactivated before specifying new points see below 1329 00 19 ST 5110 E Activating the Temperature Curve If you have just finished specifying the points on the curve Press the push button once again The word OFF flashes on the display Turn the adjustment knob clockwise one notch The word ON flashes on the display and the Temperature Curve Pilot Light flashes indicat ing that the temperature curve is now activated Set the selection knob to ROOM TEMPERATURE If you have previously defined the points on the curve 20 Set the selection knob to SET POINT TEMP CURVE The current value of the temperature set point flashes on the display Press the push button The word OFF flashes on the display Press the push button to display the points of the curve currently defined until the word OFF appears thirteen clicks Turn the adjustment knob clockwise one notch The word ON flashes on the display and the Temperature Curve Pilot Light flashes indicat ing that the temperature curve is now activated Set the selection knob to ROOM TEMPERATURE QM 1329 rev 00 ST 5110 Viewi
29. talled correctly Refer to Installing the outside probe Isolate the probe cables from all high voltage sources Do not route probe cables and other power cables through the same electrical knockout Do not run probe cables next to other power cables When crossing other power cables cross at 90 The stage 1 variable speed cooling fans are not running 2 1329 rev 00 The wiring is incorrect The stage 1 fuse is open The display board interconnect cable is not properly plugged into the power supply board Correct the wiring Be sure two different lines are connected to each fan motor line L1 modulated by the controller should be combined with another line N for 115V or L2 for 230V to activate the motor Also be sure the stage 1 COMMON is supplied by line L1 Correct the problem and replace the fuse Be sure the cable is firmly plugged in ST 5110 PROBLEM The stage 1 variable speed cooling fans are not running continued The stage 1 variable speed cooling fans run erratically CAUSE The minimum speed is too low The fan motor is defective The selected motor curve is inappropri ate The stage 1 differ ential is too small The stage 1 time on or time off is too short A variation in resistance induced room probe causes this probe to measure sudden variations in the room temperature Electrical noise near a room probe
30. te When the temperature drops below n B 4N BANDWIDTH 9 9 degrees the negative sign is dis sc mm played separately alternating with the orte numerical value E Viewing the Room Temperature Theroomtemperature isthe average value of alltemperatures measured by activated probes in proper operating condition GSetthe selection knob to ROOM TEMPERATURE PROBE TEMP The room temperature is displayed E3 Viewing the Probe Temperatures Thecontroller can display probetemperatures individually Probes can also beturnedon oroff to control the temperature in different parts of the building Setselection knob to ROOM TEMPERATURE PROBE TEMP average room temperature is displayed 14 QM 1329 rev 00 ST 5110 M the push button The temperature reading from probe 1 is dis played alternating with the letters Pr 1 and the on off state of probe i B For each additional probe press the push button The temperature reading from probe x is displayed alternating with the letters Pr x and the on off state of the probe etc Press the push button once again to display the letters Pr 1 alter nating with the state of probe 1 i e ON OFF flashing When a probe is activated it is used in the calculation of the average room temperature B Use the adjustment knob to change the state of the probe Foreach additional probe press the push button The state of probe is displayed alternatin
31. the letters Off Usethe adjustment knob to adjust time off to the desired value Time on and Time Off can be adjusted between 0 and 900 seconds in increments of 15 seconds 1329 00 3 ST 5110 VENTILATION SETTINGS TEMP LO HIGH p q SETPOINT TEMP CURVE y MINIMUM SPEED CURVE TIMER OFF TEMP HEATER EH Adjusting the Stage 1 Bandwidth The Stage 1 bandwidth is the temperature interval within which the Stage 1 variable speed fans increase or decrease in speed proportionally to the temperature see the diagram above The hysteresis is fixed at 0 3 F and determines whenthe fans start operating according to the minimum ventila tion cycle When this value is adjusted allthe starting values for consecutive stages are adjusted by the same amount The bandwidth can be adjusted from 0 5 F to 20 0 F 0 3 C and 11 1 C Set the selection knob to STAGE 1 BANDWIDTH The current bandwidth flashes on the display B Use the adjustment knob to adjust the bandwidth to the desired value EI Adjusting the Stage 2 Starting Temperature The Stage 2 starting temperature is the temperature at which the Stage 2 fans start running see the diagram above The hysteresis is fixed at 1 5 F and determines when the fans return to a stop The difference between the starting temperature and the bandwidth stage 1 can go from 0 5 F to 20 0 F 0 3 C to 11 1 C M Set the
32. the points of the curve are defined the curve mustbe activated The controller will change the temperature set point every hour in alinear fashion between 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 1 All six points of the curve must be specified If six points are not needed repeat the last temperature value for each unnecessary point ii Certain restrictions apply to reduce the risk of errors The highest possible day number is 99 Decreasing day numbers are not allowed Increasing temperatures are not allowed The temperature variation cannot exceed 3 F 1 6 C per day 18 QM 1329 00 ST 5110 Specifying the Curve ele Meee PROBE TEMP STAGE 1 gt A GGETPOINT TEMP CURVE B Set the selection knob to SET POT TEMP CURVE The 2 BANDWIDTH current temperature set point 5 flashes the display OFF TEMP HEATER A Pressthe push button The word OFF is displayed indicating that the termperature curve is deactivated If this is not the case see below to deactivate the curve Repeat the following steps for each of the six points a Press the push button once again The word day is displayed alternating with the day number a Using the adjustment knob set the day number to the desired value a Pre
33. to the desired value B Adjusting the Heater Starting Temperature The starting temperature is the temperature at which the heater turns on The Heater A starting temperature is bounded above by the off temperature 0 5 F and below by the off temperature 20 F M Getthe selection knob to HEATER A START TEMP The current starting temperature flashes on the display B Use the adjustment knob to adjust the starting temperature to the desired value 14 QM 1329 rev 00 ALARM SETTINGS The controller sets off an alarm in the case of a power failure a fault in the supply circuit or a high or low temperature Temperature alarms are defined according to the set point as shown in the diagram below Room Temperature High Temperature Alarm High Alarm Temperature Set Point LL Low Alarm Temperature Time Adjusting the Alarm Settings The high and low alarm settings are specified as a temperature value The high alarm temperature ranges from set point 0 5 F to set point 40 F The low alarm temperature ranges from set point 40 F to set point 0 5 F Set the selection knob to ALARM PROBE TEMP LO HIGH The current low Comen Em A SETPOINT TEMP CURVE alarm temperature flashes on the display alternating with the word TIMER LO ly PN BANDWIDTH TEMP the adjustment knob to set OFF TEMP the low alarm tem
34. ts oe tacta eiat ado didus 14 Viewing Temperatures 14 Temperature 444222 01 17 Temperature Curve tenete teet in pate 18 VENTILATION SETTINGS 22 Cooling oio tert exe 22 Minimum Ventilation Cycle 23 Ventilation Settings 4 25 Minimum Ventilation Speed Curve 26 MISEGOOIDQ aei deii duces 32 HEATER SETTINGS boe 34 ALARM SETTINGS IRSE s DU MERE E Du 36 TROUBLESHOOTING GUIDE 94 TECHNICAL SPECIFICATIONS 42 FACTORY SETTINGS asc aie ac crux duas 43 2 1329 rev 00 PRECAUTIONS We strongly recommend installing supplementary natural ventilation a failure alarm system as well as a back up ther mostat on at least one cooling stage refer to the wiring diagram enclosed with this user s manual to connect the ther mostat Although fuses at the input and outputs of the controller protect its circuits in case of an overload or overvoltage we recommend installing an additional protection device on the supply circuit as well as an external relay on all ON OFF sta ges to prolong the life of the controller The
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