User`s Manual Anti-Sweat Heater Control Panel
Contents
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3. set the Nite Min On Type value This represents the minimum value 96 of anti sweat heaters that can operate during Nite schedule Then press ENTER SETPOINTS Aswt1 AntiSweat 1 gt NiteMin On 0 00 Type value ENTER This screen allows the user to set the Nite Min On at a specified dewpoint temperature Type dewpoint value Then press ENTER SETPOINTS Aswt 1 AntiSweat 1 NiteMn DwPt 00 0f ipe Value ENTER 16 This screen allows the user to set the Nite Max value This represents the maximum value 96 of anti sweat heaters that can operate during Nite schedule Then press ENTER SETPOINTS Aswt1 AntiSweat 1 p 0 00 value ENTER 1 This screen allows the user to set the Nite Mx On at a specified dewpoint temperature Type dewpoint value Then press ENTER SETPOINTS Aswt 1 AntiSweat 1 Nite Mx DwPt 00 01 ype Value ENTER This screen allows you to change the setpoints of other AntiSweat tasks Using the lt enter Y or If Y is entered it will let you enter setpoints for other AntiSweat Tasks If N is entered it will return you to the MAIN MENU SETPOINTS Aswt 1 AntiSweat 1 More Aswt Tasks Y Select ENTER 17 Status Screen From the Main Menu press the 1 until the cursor is next to Status then press ENTER M ain Menu Status Alarm Log Data Log AY The next screen allows the user to se
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5. 147 77 7 User s Manual Anti Sweat Heater Control Panel Model ASW 4500 Com Trol 2000 Table of Contents Introduction Component Identification Installation Mounting the ASW 4500 Connecting 120VAC Power Connecting Anti Sweat Heater circuits Analog Input Connections Communications connections Local Alarm Connections Hardware setup Programming Set up Setpoints Status Alarms Logged Data System Menu Setting Clock Changing Passwords Clearing Logging Memory Clearing Memory System Calibration Appendix Solid State Relay Card Analoa Input Card Page 10 11 18 19 19 21 22 23 24 25 27 28 Introduction Effective anti sweat heater control is necessary in today s high energy cost market Supermarket fixtures use anti sweat heaters to prevent moisture from condensing on surfaces where refrigerated air meets ambient or store air Proper store temperature and humidity are necessary for the anti sweat heaters and their controller to be energy efficient The Com Trol ASW 4500 has been specifically designed to operate solid state relays through its pulsed output board The ASW 4500 is a microprocessor based control system which uses Com Trol s exclusive anti sweat heater control strategy from their software firmware library The ASW 4500 will control monitor and alarm up to 4 separate anti sweat heater circuits Tasks All four tasks use a common relative humidity R
6. H sensor and zone temperature sensor Each task may have separate setpoints This depends on the application and store environment The ASW 4500 logs the last 71 days of readings for each task at 10 minute intervals and the last 40 alarms The ASW 4500 connects to the Anti sweat Control Panel via the RS 485 communications Local bus The ASW 4500 has a 4 line by 20 character display and 20 character touch keyboard for easy set up and use It has a flashing set of LED s which remain on until all alarms are clear and a buzzer that may be silenced by touching CLEAR on the touch pad Two alarm outputs are provided to drive a remote audible SONALERT alarm and a visual alarm flashing LED s The HELP key provides information for each screen reducing the need for a reference manual The ASW 4500 is a standalone device and may be networked with Com Trol s COM 5000 or ADV 6000 for remote communications Component Identification Solid State Relays Cooling Fans 12VAC Controller Power Connection ASW 4500 Controller Analog Input Card 120VAC Power Solid State Relay Output Card Terminals for Sensor Inputs Terminals for Local Bus Communications Terminals for Anti sweat Heater Circuits from Circuit Breaker Panel Controller amp Card Terminals for Low Voltage Remote Outputs Transformers Terminals for Anti sweat Heater Circuits to Refrigerated Cases Installation The installation of
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9. R lt gt 1 The next screen allows you to select sensor assignment Common or New Use the lt to select a common or new sensor After selection press ENTER Setup AntiSweat 1 Sensor Assignment Common Select ENTER 1 13 By moving to this screen you have saved the preceeding selections for the task you selected You now have the opportunity to move to another Awst task to program it Using the lt you can select Y or Selecting then ENTER allows you to program additional Awst tasks Selecting then ENTER will return you to the MAIN MENU ANTI SWEAT SET UP Task values saved More Aswt Tasks Y Select ENTER Setpoints Pressing ENTER returns you to the MAIN MENU From the MAIN MENU press the down arrow until the cursor is next to the SETPOINTS MENU Press ENTER MAIN MENU Alarm Log Data Log gt Setpoints N The Password screen will come up Type in the high level 2 password default is 9999 then press ENTER as indicated Password Required Enter Password then Press ENTER The next screen allows the user to select the Aswt circuit 1to 4 to set setpoints Use to select circuit Then press ENTER SETPOINTS Aswt 1 AntiSweat 1 Select Aswt Task Press ENTER AY 14 This screen allows the user to set the Begin Day time Using the lt move the cursor under the digit you want to enter Then press the number continue moving the cursor
10. and entering numbers until the Begin Day time is entered Then press ENTER SETPOINTS Aswt1 AntiSweat 1 p Begin Day 0 00 Type value ENTER T This screen allows the user to set the End Day time Using the move the cursor under the digit you want to enter Then press the number continue moving the cursor and entering numbers until the End Day time is entered Then press ENTER SETPOINTS Aswt1 AntiSweat 1 4 End Day 0 00 Type value ENTER This screen allows the user to set the Day Min On Type value This represents the minimum value of anti sweat heaters that can operate during Day schedule Then press ENTER SETPOINTS Aswtl AntiSweat 1 DayMin On 0 00 Type value ENTER This screen allows the user to set the Day Min On at a specified dewpoint temperature Type dewpoint value Then press ENTER SETPOINTS Aswt 1 AntiSweat 1 Day Mn DwPt 00 01 Type Value ENTER 15 This screen allows the user to set the Day On Type value This represents the maximum value 96 of anti sweat heaters that can operate during Day schedule Then press ENTER SETPOINTS Aswt1 AntiSweat 1 0 00 Type value ENTER This screen allows the user to set the Day Mx On at a specified dewpoint temperature Type dewpoint value Then press ENTER SETPOINTS Aswt 1 AntiSweat 1 Day Mx DwPt 00 01 Value ENTER This screen allows the user to
11. arning that you will wipe out all programming and the set up will have to be performed again Pressing Enter again will activate the memory clear function or you can press Escape to abort the process z WARNING ENTER will wipe out SET UP memory press ESCAPE to Abort 24 System Calibration All field installed sensors may have to be calibrated after they are installed From the System Menu align the next to Calibration then press ENTER SYSTEM MENU Clear Log Clear Memory Calibration Access to this area requires entry of a level 1 password Enter password then press ENTER Password Required Enter Password TEE then Press ENTER The Calibration Offsets are used to adjust the Zone temperature and Humidity sensor readings based upon an accurate calibration reference The sensors are normally very accurate so make sure that calibration is really required before proceeding The offset value entered is added or subtracted from the sensor reading prior to displaying or using for control This screen allows you to calibrate the Rel Humidity RH1 sensor Enter the RH offset then press ENTER Rel Humidity RH1 Calibration Offset Offset 0 0 Type value Enter Pressing the 4 will display the screen to calibrate the Zone temperature sensor Enter the Zone temperature offset in f then press ENTER Zone Temperature 201 Calibration Offset Offset 0 0 f value ENTE
12. ch circuit Begin Day time End Day time Day Min On 96 Day MinOn Dewpoint Temperature Day Max On 96 Day Dewpoint Temperature Nite Min On 96 Nite Min On Dewpoint Temperature Nite Max On 96 Nite Dewpoint Temperature Press Escape to get to the Main Menu from the Normal Scan Screen Main Menu Status Alarm Log Data Log Setup Menu Press the down arrow until the cursor is next to Setup Menu then press ENTER Main Menu Setpoints System Menu Setup Menu The Password screen will come up Type in the high level 2 password default is 9999 then press ENTER as indicated Password Required Enter Password TER then press Enter 12 Use the44 keys to select the zone you wish to set up then press ENTER ANTI SWEAT SETUP Aswt 1 AntiSweat 1 Select Aswt Task Press ENTER vA The next screen gives you the opportunity to change the name of the zone Press the HELP key to get the instructions for entering text Help pages 2 through 7 cover this operation Press ENTER or to secure the name change and move to the next screen Setup AntiSweat 1 Answ1 Task AntiSweat 1 see HELP ENTER Bd The next screen allows you to select the number of Outputs 4 is the maximum Use the to select the number The screen shows the number available Then push ENTER Setup AntiSweat 1 Number of Outputs 1 0101 Select ENTE
13. e the status of each AntiSweat Heater Task Using the select the task to view then press ENTER ANTI SWEAT STATUS Aswt1 AntiSweat 1 Select Aswt Task Press ENTER This screen shows the status of the selected Antisweat Task In normal operation the ASW 4500 will scan through all of the enabled AntiSweat Tasks and show its content status The status screen has the Task name and Mode Day or Nite on the first line dew point DP and On Time on the second line Zone temperature ZN and Relative Humidity RH on the third line amp Savings on the fourth line Pressing the 1 allows you to move from task to task AntiSweat 1 Day DP kkkkkk AOL Zn a kkkkkk RH kkkkk Current Save Pressing the shows the I O assignment locations Task Assignments Aswt 1 Antisweat 1 RH 01 Temp 02 AO 01 00 00 00 N 18 Viewing Alarms To view the Alarm Log go to the MAIN MENU press the vt keys until the arrow Is pointing to Alarm Log then press ENTER MAIN MENU Status Alarm Log Data Log v4 This screen allows you to view the last 40 alarm events The 2 line shows the event type Lost Aout Lost Analog or Power Down Up The 3 line shows Occurred at and the 4 line the date and time of the event followed by the event number Pressing thew keys will scan all the alarms ASW 4500 Sys Event Alarms Lost Aout Occurred at 0703 0920 amp 48 Pressing the key brings u
14. o the refrigerated cases Maximum continuous current for each circuit is 16 amps A total of 24 circuits are available Use 10 copper clad conductors with a minimum of 75 C rated insulation for each anti sweat circuit Analog Input Connections Connect using 5 C 22AWG cable Relative humidity sensor amp zone temperature sensor The analog inputs include a relative humidity RH sensor and a zone temperature sensor Both sensors can be in the same enclosure The ASW 4500 will control up to 4 separate anti sweat circuits Tasks All use a common relative humidity RH sensor and zone temperature sensor Low voltage wiring shall be class 2 30 volts maximum for sensors Communications Connections Connect the RS 485 Bus using 3 C 22 AWG cable Com Trol 5002 If the ASW 4500 is being networked to a Com Trol communications interface COM 5000 or GUI such as the Advantage 6000 simply connect the Global Bus at the ASW 4500 terminals to the Global Bus on the interface or on any other controller Low voltage wiring only Class 2 30 Volts Maximum for RS485 communications wiring Local Alarm Connection Connect using 3 C 22AWG cable Sonalert has a 4 wire cable only three wires are connected Do not terminate green wire Red 12 Black Alarm Buzzer White Alarm LED Green Alarm Silence Flasher Sonalert Two relays are provided on the processor board that can dri
15. p another screen which shows the time and date the alarm Cleared or In Alarm until it does Clear When done viewing alarms press ESCAPE this will return you to the MAIN MENU Viewing Logged Data To view the Data Log go to the MAIN MENU press the ty keys until the arrow is pointing to Alarm Log then press ENTER MAIN MENU Status Alarm Log gt Data Log 19 With the Data Log screen you first use they key to select a task unless there is only one task Press ENTER DATA LOGS Aswt 1 AntiSweat 1 Select Aswt Task Press ENTER Use the key to select the desired item to view then press ENTER Data Logs Aswt 1 Anti Sweat 1 On Anti Sweat 1 Save Rel Humidity RH This screen allows you to view the data for the item selected Press the Y key to step back through the data or the key to go to the oldest entry An asterisk indicates the newest entry The date and time are given beside each reading There are 1024 entries for each item logged every 10 minutes AntiSweat 1 11 20 07 03 11 10 07 03 11 00 07 03 Pressing ESCAPE returns you to the MAIN MENU 20 THE SYSTEM MENU The System Menu is accessed from the Main Menu by pressing the VA unti the is next to the System Menu Press ENTER to access System Menu screen MAIN MENU Data Log Setpoints System Menu Setting the Clock The System Menu screen allows you to Set Clock Change Passwords Clear Log Clea
16. r Memory and Calibration Position the next to the item you wish to access then press ENTER SYSTEM MENU Set Clock Passwords Clear Log If Set Clock is accessed this area requires entry of a level 1 password Enter password then press ENTER Password Required Enter Password then Press ENTER This screen allows the user to set the system clock to the current time and date Use the keys to move to the date or time item you want to change Type in the value press the ENTER key when done The system uses 24 hour military time SET CLOCK 07 03 01 12 45 16 Use to Select press ENTER when done 21 Changing Passwords After the System Menu appears press keys until the gt is next to Passwords then press ENTER SYSTEM MENU Set Clock p Passwords Clear Log v4 Access to Passwords requires entry of a level 1 password Type In password then press ENTER Password Required Enter Password TER then press ENTER As a secondary protection a change code is required for the passwords This code is 1843 Type in the code then press ENTER Change Code Required Enter Change Code TER then press ENTER This next screen allows you to change the passwords for levels 1 amp 2 Press the vA keys to select the level in which to change the password Use the to move the cursor then type in the new password then press ENTER PASSWORDS Level 1 8888 49
17. the ASW 4500 is quite simple mount the unit Connect 120VAC and anti sweat heater power Connect sensor inputs and RS 485 Bus if remote communications are desired Use Components Identification page as a guide Mounting the ASW 4500 Normally the ASW 4500 unit would be mounted in or near the compressor room However since this is a standalone device it can be mounted anywhere within the facility where convenient Four 50 mounting holes are provided See picture for mounting hole dimensions Allow 28 clearance for door opening Overall control panel size with door 28 00 W x 3525 H x 5 25 D Connecting Power Connect 120VAC to these terminals Be sure panel is grounded The ASW 4500 requires 1 amp and should be connected to a 15 amp 120v circuit breaker that is a dedicated power source for the ASW 4500 Use 14 copper clad conductors with a minimum of 75 C rated insulation To prevent damage and to ensure proper operation be sure to connect grounding wire to lug provided Connecting Anti Sw eat Heater Circuits Connect 120VAC anti sweat circuits from circuit breaker panel 24 terminals available Connect to anti sweat heater circuits in refrigerated cases 16 amps maximum for each circuit The Anti Sweat Heater Circuit terminal strips are divided into two sections The terminal strip on the left is for 120VAC coming from the circuit breaker panel The terminals on the right are for anti sweat heater power t
18. ve a Com Trol remote audible Sonalert alarm and a visual alarm that consists of flashing LED s This panel may be directly connected to the alarm outputs Alarm can be silenced by Cancel button on keypad on door of ASW 4500 10 Hardware Setup There are several switches that need to be set checked on the ASW 4500 An eight position switch on the processor board controls global communications addressing if used and memory initialization clearing Check to see that these switches are set properly as follows Processor ASW 4500 Dip Switches Switches 1 5 only used if connected to Com Trol global bus Set to next available address binary addressing Switch 6 not used Switch 7 amp 8 can be used to clear the memory program FERRI NT arae nl Board Addressing Set to next available address Protocol Not used Configuration Resetting Ram With unit powered down set switches 7 amp 8 to down then power up at disconnect Move switch 7 to off up position and wait for 8 seconds then Move switch 8 to off up position and wait for 8 seconds then Move switch 7 back to down position and wait 8 seconds then Move switch 8 back to on down position and wait 8 seconds then Turn unit off then back on again at the disconnect configuration complete 11 Programming To program the system you need to know the following How many anti sweat circuits 4 max For ea
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