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1. 4 Dedede PMACH Piela Winner esse 5 2 2 8DO BOARD CONFIGURATION STANDARD PMAC II ONLY ccccccccccccccccsssssssesecccecceeseesaaesseseeeccccecessecsuaeaeeeeeeeeeees 6 Del Doa OUMU S ses haters eta taht das nd rae caida ee eat 6 2 222 TATE SAC DIOS ll ripio 6 2 2 32 Network Jumpers ardor as A ee il ated ele 6 3 ALARM CONFIGURATION anna a u u AAA Ea 8 3 1 THE ALARM CONTACTS ON THE PMAC II TERMINAL STRIP ccccesssscceceesssseceeeeesssnceeeeesessaceecesesseeeeeeeesaeeeesenssaaes 8 3d Connecting theAlarm Contacts toan Input Board eu u eu 8 3 2 PANEL OVERHEAT ALARMING ALL MODELS sssssccccccccccceessssecceccececceaauaeseseeececceceeeeaanaessesececeeeeesesaaeaegnseeecceees 8 324 Overhead Wamsler 3 22 PONel Overheit NULO WA ssa stearate era amp 4 CONFIGURING RMCC BEE EINSTEIN AND E2 soe sscedcstenscncenecscntessvecivatccessccecesossbtecscveisccnassonsxadsesivcenecnaxeedseasesce 9 4 1 BECANDRMCE PAGE LAYOUT csi RE rer 9 Az EROGRAMMING THE DE rs eier 9 4 2 1 PULP E RUS ada ld dla 9 4 2 22 Ou Pu DeMons aiene aa ic 9 4 2 3 DEWPOINT Um N O S AS ein e e le a a o 9 2 24 SOUIDUISSELID ri 9 ES O i na ee nee sense Renee 10 435 PROGRAMMING THERM C near ae nei 10 4 32 MPU Defni ONS ois 8s 2 cerca tears Bienen a ee 10 2 3 2 Ouuu DEN TL ONS anne aaa e ease ag SAS Daa eR 10 DS DIA UE IN A 10 4 SA AN SWEGE Circuiti AOS e e de de a el dl 11 Aas PROGRAMMING THE EINSTEIN OR El is RR 11 AA LS Addin am A2. Figure 4 6 Anti Sweat Inputs Setup Screen l If you are using temperature and humidity sensors to calculate the dewpoint enter the board and point input locations for these de vices here If you are using a dewpoint sen sor enter the board and point input location for the sensor here 2 Press NEXT TAB to advance to the Outputs Setup screen Figure 4 7 4 4 2 4 Screen 4 Outputs 02 18 03 BX 300 Unit 1 8 23 49 Use Ctrl X to Select CX Tabs SETUP C2 Setpoints C3 Inputs C5 System Ci General Anti sweats ANTI SWEATO1 INTERVAL TIME DEWPOINT OUT ALG STATUS a Y Figure 4 7 Anti Sweat Outputs Setup Screen 1 Inthe OUTPUT field enter the point on the SDO board located in the PMAC II that cor 14 PMAC IT I amp O Manual responds to the anti sweat channels you wish to control See Table 4 1 Table 4 2 and Ta ble 4 3 to see which point controls which channels 8DO Points for 16 Anti Sweat Channel Channel Circuits O AC A HE BE Table 4 1 8DO Board Points to PMAC II 16 Channel 8DO Points for 20 Channel Anti Sweat Channel Circuits Coo oo oa E CI BEE BEE BEE A BE 8 15 16 19 20 Table 4 2 SDO Board Points to PMAC IT 20 Channel 8DO Points for 28 Channel Anti Sweat Channel Circuits 3 4 17 18 3 8 9 22 23 7 12 13 26 27 Table 4 3 SDO Board Points to PMAC IT 28 Channel O a 026 1501 Rev 5 3 20 03 2 Ifyou are using this anti swe
3. VAC act ov Acc oN Slips 3 POS POWER CONNECTER 24 VAC CENTER TAPPED gt COMMUNICATION BUS y y TERMINATION JUMPERS jas 3 PIN COMMUNICATION BUS CONNECTOR BOARD NUMBER C SELECT oO iG ze n A TO EARTH at Step 2 Step 3 Figure 2 5 Wiring Detail for 16 Channel rman OO IVA OO d watt 000 y 109 000 Yaa OOO sr NO OO g dx3 Oo A ORO ON wuejy d ERLA O00 Ewnaneian Darte v 9 Figure 2 6 Wiring Detail for 20 Channel Location and Wiring Asna O punoug 0 y wely Do gt wey 0 0 0 cgr WON A OTM Ger INO 2 gt PPNS A iZ 3 Expansion Ports x 6 Step 1 Step2 Ste xe Figure 2 7 Wiring Detail for 28 Channel 1 Provide 120VAC 15 amps circuit to the PMAC terminal block through a store circuit breaker Wire 120VAC Hot 120 VAC Neu tral and Ground as indicated by the Step 1 arrows of Figure 2 5 for the 16 Channel Fig ure 2 6 for the 20 Channel and Figure 2 7 for the 28 Channel 2 A normally closed alarm contact is provided on the terminal strip as indicated by the Step 2 arrows of Figure 2 5 for the 16 Channel Figure 2 6 for the 2
4. anti sweat circuits Each circuit has its own sensors and setpoints Enter a one to assign the selected zone to Circuit 1 or enter a two to select Circuit 2 Unused heaters should have a zero in this field 8DO Y es N o N o CPC recommends anti sweat heaters be operated by 8DO Digital Output boards If a heater is connected to an SDO board enter Y es in the 8DO field otherwise enter No 4 2 5 Setpoints ANTI SWEAT CIRCUIT 1 SETPOINTS Dewpoint ALL OFF 025 ALL ON 065 Percent On during ALL OFF 000 ALL ON 100 T PREV CIRCUIT J NEXT CIRCUIT From the Main Menu press 3 3 to access the Anti Sweat Circuit 1 Setpoints screen Anti sweat circuits are controlled by comparing a mea sured or calculated dewpoint value to a range of dewpoints defined in the Anti Sweat Circuit Setpoints screen See P N 026 1103 Building Environmental Control I amp O Manu al Section 3 5 Anti Sweat Control for a complete expla nation of anti sweat control Dewpoint All OFF All ON 20 99 25 65 The Dewpoint All OFF setpoint is the minimum dew point below which the anti sweat circuit s heaters will re main OFF at all times The Dewpoint All ON setpoint is the maximum dewpoint above which the anti sweat circuit s heaters will remain ON at all times Between these dew point values the anti sweat circuit will pulse ON and OFF for a percentage of the time interval def
5. board is in the middle A en a eae of the RS 485 Net nen NOTE Connection of the PMAC II panel work set the jumpers 4 8DO board must meet all networking require DOWN ments of the BEC RMCC or E2 controllers Table 2 1 defines the proper settings for the PMAC IT 8DO board Refer to the controller s installa tion and operation manual for further information Network Connec Connect to Must daisy chain tion RS 485 Net with other network work boards Table 2 1 PMAC II 8DO Setup The 8DO Digital Output Expansion Board supplied nop with the PMAC II panel and shown in Figure 2 8 is used 2 2 1 Digital Outputs to connect refrigeration and environmental control compo nents which must be controlled by digital output to an RS The 8DO Expansion Board uses eight digital outputs 485 I O Network An adjustable dip switch rotary dials which modulate at a programmable frequency regulated by and jumpers are used to configure the 8DO board to fit a va a signal sent from the controller via the I O Network riety of applications Table 2 1 provides the required infor Each of the eight outputs is designed to drive a solid state device and is capable of supplying approximately 150 mA at 12 volts unregulated Each output has current limiting circuitry to prevent damage when short circuited When an output is overloaded the corresponding LED in dicator flashes quickly indicating current limiting 1s in ef fect 2 2 2 Fail S
6. 0 Channel and Figure 2 7 for the 28 Channel 3 Step 3 of Figure 2 5 for the 16 Channel Fig ure 2 6 for the 20 Channel and Figure 2 7 for the 28 Channel indicates the terminal block positions to wire the CPC 485 I O Net work Polarity must be respected while mak ing these connections 2 1 1 1 The 20 Channel PMAC has two expansion ports Fig ure 2 6 and the 28 Channel PMAC has six single expan sion ports Figure 2 7 These expansion ports can be used to attach single channel PMACs if desired P N 851 1010 Single Channel Expansion Ports Installation 5 mation to configure the 8DO board to allow communication between the RMCC E2 or BEC the 2 2 en ES Pi PMAC II panel and the case heaters tandar nly Component Required Action Notes Setting Fail Safe Dip Positions 1 4 Provides continuous Switch S3 UP Position 5 12VDC to the PMAC unused II relays during net work communica tion loss Rotary Dials Addresses the PMAC Q S1 II 8DO board as the S2 1 8DO board on the RS 485 Network AC Input Power Connection Network Address Rotary Dials LED Power Indicator Fail Safe Dip Switch Jumpers If the PMAC IT 8DO I O Network Connection LED Output Indicators JU1 UP DOWN board is the last board Terminating Resistance Jumpers Digital Output Connections on the RS 485 Net 26501042 JU2 UP DOWN UP DOWN work set all three of the jumpers UP Ifthe JU3 Figure 2 8 8DO Board
7. 026 1501 Rev 5 3 20 03 Pulse Modulating Anti Sweat Control PMAC IT Installation and Operation Manual u EMERSON Leu R QuE COMPUTER PROCESS CONTROLS 1640 Airport Road Suite 104 Kennesaw GA 31044 Phone 770 425 2724 Fax 770 425 9319 ALL RIGHTS RESERVED The information contained in this manual has been carefully checked and is believed to be accurate However Com puter Process Controls Inc assumes no responsibility for any inaccuracies that may be contained herein In no event will Computer Process Controls Inc be liable for any direct indirect special incidental or consequential damages resulting from any defect or omission in this manual even if advised of the possibility of such damages In the interest of continued product development Computer Process Controls Inc reserves the right to make improvements to this manual and the products described herein at any time without notice or obligation Please Note This manual covers the PMAC II P N 851 1000 family of anti sweat panels Infor mation on the PMAC II Solo P N 851 1100 ant sweat controller is contained in P N 026 1503 PMAC II Solo Installation and Operation Manual Table of Contents 1 OVERVIEW ans lec ccctcssotesccsucdwuvescuvalsdsaccosdcwedectsudsvavasGeudstsaccheusssssdeusdesdauedeacsuususevsusasacdasdsaieecossueavies 3 Us VBEATURES ies 3 2 INSTALLATION 0 AAA A AS E AAA AA A A A AAA 4 25 LOCATION AND W RIN Ge ee ee ee een esse
8. NT WAL Application sense A ia 12 442 COMfLOUTING ANTAS WEG APPLICOMONS dl a 12 3 SPARE PARTS LES TNN AA AAA 16 Einstein RX Controller I amp O Manual Table of Contents i 1 Overview The Pulse Modulating Anti Sweat Control PMAC II P N 851 1000 shown in Figure 1 1 is a solid state anti sweat heater controller designed to dramatically reduce the cost of operating anti sweat heaters on low temperature door type cases found in most supermarkets Normally anti sweat heaters operate continuously with no controls even though 100 operation is required only when in store humidity levels are high A PMAC II pro vides a means for pulsing power to the heaters based on en vironmental conditions so that heaters will be on for less time during periods where the in store dewpoint is low This reduces operating costs by limiting heater operation and increases heater life by limiting heat cycle fatigue since the heaters are rarely turned off completely Depending on the model selected the PMAC IT may have 16 20 or 28 heater channels available Each channel supports a load of up to 16 amps The PMAC II relies on a site controller to control anti sweat heater ON percentage based on the in store dew point The PMAC II panel is compatible with the Building Environmental Control BEC Refrigeration Monitor and Case Control RMCC and Einstein RX or BX or an E2 site controllers The RMCC 1s capable of controlling up to eight heate
9. ONTROLLER Sales Floor GLASS DOOR CASE Mounting Holes PMAC HEATER a VOLTAGE ma OS E mE z ELECTRICAL PANEL 120V TO PMAC POWER TO CASE HEATERS Figure 2 3 Typical Layout Customer electrical panel a Neutral bus la J m 20Amp Circuit Breaker El Hot 120 208 240V Anti sweat heaters Figure 2 2 PMAC II Dimensions for the 28 Channel Channel 12 One circuit typical 1 Mount the PMAC II panel in a central loca ui tion such as a motor or electrical room The panel should be where there is good air flow not ina closet Keep a 6 12 inch clearance on top and bottom for good air flow The room s ambient temperature should always be below 100 E Figure 2 1 and Figure 2 2 have the mounting dimensions Figure 2 4 Typical Heater Wiring Layout 4 PMAC II I amp O Manual 026 1501 Rev 5 3 20 03 sw NOTE When running power to the case heat ers include the neutral lead in the same con duit as the hot lead to prevent conduit overheating 4 Connect the PMAC II panel 8DO board to the existing RMCC or BEC COM A or COM D network as shown in Figure 2 5 using a Belden 8761 two conductor shielded 22 AWG or equivalent communication ca ble 2 1 1 PMAC Il Field Wiring CLASS 2 PI R 24
10. X controllers and the instructions in the E2 column for E2 RX and BX controllers Configuring RMCC BEC Einstein and E2 11 4 4 1 4 4 1 1 Adding an Anti Sweat Application Using the Setup Wizard During Start Up 01 01 02 CAPS 17 36 17 APPLICATION SETUP Enter the number of each type of application you would like to create Condensers Suction Groups Standard Circuits Case Control Circuits Power Monitor Channels Anti sweat Channels Analog Sensor Control Channels Digital Sensor Control Channels Figure 4 1 Application Setup Screen 02 18 03 BX 300 Unit 1 14 13 29 CONNECTED 1 0 FULL 1 Unit Humber Echelon Subnet THIS 02 1 Unit Hame 3 16 AI Boards 4 8 RO Boards 8 DO Boards 3 4 A0 Boards 0 IRLDS Controllers 0 ARTC RTU Controllers 0 Roof Top Controllers RT 100 0 Echelon 16 AI 0 Echelon 8 RO A AS Figure 4 2 Connected I O Boards amp Controllers Screen If you are programming the E2 or Einstein controller for the first time at power up the setup wizard will prompt you to add the number of anti sweat applications see Fig ure 4 1 and the number of 8DO boards see Figure 4 2 For each separately controlled zone of anti sweat heater control add one application For each PMAC II panel that will be connected to this Einstein or E2 add one 8DO board 12 PMAC II I amp O Manual 4 4 1 2 Adding an Anti Sweat Application to a Programmed Box 4 4 2 the Main Status scr
11. afe Dip Switch The fail safe dip switch S3 allows the user to provide continuous voltage to the case heaters during network com munication loss The fail safe dip switches should always remain in the UP position to ensure voltage is always pro vided to the case heaters If the switches are set in the DOWN position no voltage will be sent to the heaters dur ing network communication loss 2 2 3 Network Jumpers The network jumpers JU1 JU2 and JU3 define whether the PMAC II 8DO board is the first or last board or a middle board on the RS 485 communication network 6 e PMAC IT I amp O Manual 026 1501 Rev 5 3 20 03 Power Connection The PMAC II 8DO board requires 24VAC center tap ground from the PMAC II transformer and converts it to 12VDC to drive the PMAC II relays Network Connection RS 485 Network communication is provided through the network communication connection as shown in Fig ure 2 8 Table 2 1 and described in the Location and Wir ing sections of this manual 8DO Board Configuration Standard PMAC II Only Installation 7 3 Alarm Configuration This section explains the alarm capabilities of the PMAC II and how to set up alarm annunciation and or re porting using the panel s ALARM output contacts 3 1 The Alarm Contacts on the PMAC II Terminal Strip The terminal strip at the bottom the PMAC II interior has two terminals labeled ALARM which are Normally Closed and which OPEN whenever cer
12. at application to control more than one group of anti sweat channels highlight the Output field and press EDIT followed by EM Set Multiple Outputs to open the Multiple Output Setup screen 02 18 03 BX 300 Unit 1 Eng 10 00 42 SETUP FULL Multiple Output Setup Output THIS 02 1 ANTI SWEATO1 OUTPUT 2 Inputs Using Output 1 1 Figure 4 8 Multiple Output Setup Screen 2a Press ADD RECORD for each addi tional point on the 8DO board you want to control from this application 2b Highlight each output and change the defini tion style to Board Point for E2 press iB for Einstein press EB 2c Enter the board and point number of the 8DO point 2d Continue until all outputs are defined 3 Press C D to return to the Home screen For Einstein press HOME to return to the main status screen Setup of the anti sweat application is complete 5 Spare Parts List Spare Parts Fan 120V 120CFM 147 0300 Heat Sink Assembly w Triacs 610 3150 Opto Board Solo 16 and 28 537 3051 Channel Interface Board 537 3069 8DO Board 810 3050 Opto Board 20 Channel 537 3055 Table 5 1 Spare Parts 16 PMAC II 180 Manual 026 1501 Rev 5 3 20 03
13. een Press EA Control Appl Setup Press EB Ada Control Application Press Look Up and press the DOWN AR ROW key until Anti Sweat is highlighted Press Press the DOWN AR ROW key and enter the desired number of appli cations in the How many field Press to add the Anti Sweat applications troller From the Home screen press EB MBE Press the DOWN AR Press Add Delete Application Press Add New Ap plication Press Look Up and press the DOWN AR ROW key until Anti Sweat is highlighted Press Press the DOWN AR ROW key and enter the desired number of appli cations in the How many field Press to add the Anti Sweat applications 4 4 1 3 Adding an 8DO To a Programmed Con 1 Press 2 Press ROW key until the 8DO 3 Press the DOWN AR field is highlighted Enter the number of 8DOs ROW key until the 8DO field is highlighted connected to the Einstein 4 Enter the number of 8DOs one per PMAC Il and Enter press ES Press to return to the Home Screen tions connected to the E2 one per PMAC II and press Enter 5 Press to save chang es and exit the screen Configuring Anti Sweat Applica Y ou now have anti sweat applications created for each zone to be controlled by the PMAC II Next you must con 026 1501 Rev 5 3 20 03 figure each zone with the necessary control infor
14. etup Screen 1 Enter the name of the zone in the Name field 2 Enter the cycle interval the full length of time one ON and OFF period will last in H MM SS format in the Cycle Interval field 3 Enter YES in the Use DewPt Snsr field if you are using a a dewpoint sensor or enter No if using a relative humidity sensor Press NEXT TAB to advance to the Setpoints Setup screen Figure 4 5 4 4 2 2 Screen 2 Setpoints 02 18 03 BX 300 Unit 1 Use Ctrl X to Select CX Tabs SETUP C3 Inputs C4 Outputs C5 System Anti sweats ANTI SWEATO1 C1 General Figure 4 5 Anti Sweat Setpoints Setup Screen 1 Enter the dewpoint values that will corre spond to the maximum and minimum ON percentages in the FULL ON DEWPOINT and FULL OFF DEWPOINT fields 2 If you wish to limit the minimum and maxi mum output percentages enter the desired limits in the Min Output and Max Output Configuring RMCC BEC Einstein and E2 13 fields You may have to turn on Full Options mode to see these fields press WIEN in Ein i Alt Stein or press Bi in E2 then press I Fe and KB to leave and return to this screen The fields should then be visible 3 Press NEXT TAB to advance to the Inputs Setup screen Figure 4 6 4 4 2 3 Screen 3 Inputs 8 23 44 C2 Setpoints C4 Outputs C5 System 02 18 03 Use Ctrl X to Select CX Tabs BX 300 Unit 1 Eng SETUP C1 General Anti sweats ANTI SWEATO1 EMERGENCY BYP
15. igeration Monitor and Case Control I amp O Man ual Section 7 9 2 Output Definitions for more informa tion 4 3 3 Dewpoint Humidity Offsets DEWPOINT HUMIDITY OFFSETS 12 00 Circuit 1 Dewpoint Offset DOO F Humidity Offset 000 Circuit 2 Dewpoint Offset 000 F Humidity Offset 000 T PREV lt gt SET O MENU From the Main Menu press 3 1 3 2 1 to access the Dewpoint Humidity Offsets screen 026 1501 Rev 5 3 20 03 If the dewpoint cell or relative humidity sensor is known to read high or low offsets may be specified in the Dewpoint Offset and Humidity Offset fields to correctly calibrate the sensors Users may enter a value from 20 to 20 or from 20 to 20 ON OFF Interval 1 240 sec 10 sec The 8DO on the PMAC II panel pulses heaters ON for a percentage of a defined time interval This interval is en tered in the ON OFF Interval field Name 15 characters max In the field to the right of the anti sweat heater number a name may be entered 4 3 4 Anti Sweat Circuit Setpoints ANTI SWEAT CIRCUIT 1 SETPOINTS 12 00 Dewpoint ALL OFF 025F ALL ON O65F Percent On during ALL OFF 000 ALL ON 4100 T PREV CIRCUIT J NEXT CIRCUIT From the Main Menu press 3 1 3 3 to access the Anti Sweat Circuit 1 Setpoints screen Anti sweat circuits are controlled by comparing a mea sured or calculated dewpoint value t
16. inal strip to be set to OPEN 8 PMAC IT I amp O Manual 3 2 2 If after the warning level is reached the temperature continues to rise above 180 F another thermal sensor will open and the unit will completely shut down The unit will remain shut down until the temperature returns to a normal level Panel Overheat Shutdown 026 1501 Rev 5 3 20 03 4 Configuring RMCC BEC Einstein and E2 A BEC RMCC Einstein or E2 is capable of control ling eight anti sweat heater circuits BECs allow the eight heaters to be controlled in two different zones RMCCs one zone and Einstein amp E2 s eight zones Each zone requires its own dewpoint sensor and setpoint s A humidity sensor and temperature sensor may be used in lieu of a dewpoint sensor The following sections outline the procedure for setting up anti sweat control in the BEC RMCC Einstein and E2 For detailed information on system programming users should consult the site controller s user documentation 4 1 BEC and RMCC Page Layout Each data screen used in anti sweat setup is shown in sections to follow Data ranges for data fields the infor mation supplied in the help prompt lines are displayed in brackets and bold type 99 99 either at the heading for the particu lar field description or when a heading does not exist within the body of the description Suggested or default values for a particular entry are always shown in brackets and bold ty
17. ined in the Outputs Setup screen Percent On During All OFF 0 30 0 By default anti sweat circuits operate at 0 when the dewpoint is below the Dewpoint All OFF setpoint If de sired a higher value for All OFF may be specified Percent On During All ON 70 100 100 10 PMAC II I amp O Manual By default anti sweat circuits operate at 100 when the dewpoint is above the Dewpoint All ON setpoint If de sired a lower value for All ON may be specified 4 3 4 3 1 Programming the RMCC Input Definitions From the Main Menu press 7 1 to access the Input Definitions screen Define 16AI or 8IO board and point addresses for the anti sweat humidity and temperature sensors ASW HU MID ASW TEMP and the anti sweat override inputs ASW OVRD 1 ASW 8 OVRD Refer to P N 026 1102 Refrigeration Monitor and Case Control I amp O Man ual Section 7 9 1 Input Definitions for more informa tion 4 3 2 Output Definitions TIONS Output SEN CTL SEN CTL SEN CTL SEN CTL BEC OUTPUT FI Output SEN CTL 01 SEN CTL 03 SEN CTL 05 SEN CTL 07 T PREV J NEXT From the Main Menu press 7 2 to access the Out put Definitions screen Define 8DO board and point addresses for the anti sweat heater zones ASW 1 ASW 8 Refer to P N 026 1102 Refr
18. mation such as the location of the humidity or dewpoint sensor and the setpoints 1 From the Home screen press to select Anti Sweat 2 Press Configured Applications and select 2 If you have created more Antisweat irom thelist than one application you will be asked to select an 3 If you have created more application Highlight the than one application the one you wish to configure Anti sweat Summary and press screen will appear From the Summary screen highlight the first applica tion to configure by using the arrow keys Press Enter mee to go to the Anti sweat Status screen Fig ure 4 3 If you have set up only one application you will go directly to the Anti sweat Status screen 02 18 03 BX 300 Unit 1 ets ASWT STATUS Anti Sweat Name ANTI SWEATO1 FULL OH DPOINT OUTPUT FULL OFF DPOINT 25 0 INTERVAL TIME PERCENT ON OUT DEW POINT OUT IHPUTS TEMPERATURE REL HUMIDITY Figure 4 3 Anti Sweat Status Screen Once you have navigated to the status screen for the Anti Sweat application you wish to program press e Einstein or E2 to enter Setup mode Programming the Einstein or E2 4 4 2 1 Screen 1 General 02 18 03 BX 300 Unit 1 8 23 37 Use Ctrl X to Select CX Tabs SETUP C2 Setpoints C3 Inputs C4 Outputs C5 System Anti sweats ANTI SWEATO1 Value MONT T SWEATOL OFF 0 00 10 Use DewPt Snsr Ho Figure 4 4 Anti Sweat General S
19. o a range of dewpoints defined in the Anti Sweat Circuit Setpoints screen Dewpoint All OFF AII ON 20 99 259 65 The Dewpoint All OFF setpoint is the minimum dew point below which the anti sweat circuit s heaters will re main OFF at all times The Dewpoint All ON setpoint is the maximum dewpoint above which the anti sweat circuit s heaters will remain ON at all times Between these dew point values the anti sweat circuit will pulse ON and OFF for a percentage of the time interval defined in the Outputs Setup screen Percent On During All OFF 0 30 0 By default anti sweat circuits operate at 0 when the dewpoint is below the Dewpoint All OFF setpoint If de sired a higher value for All OFF may be specified Percent On During All ON 70 100 100 By default anti sweat circuits operate at 100 when the dewpoint is above the Dewpoint All ON setpoint If de sired a lower value for All ON may be specified Programming the Einstein or E2 4 4 Programming the Einstein or E2 In Einstein and E2 a single zone is controlled by an Anti Sweat Application For a single PMAC II panel you may configure up to eight separately controlled zones This section of the manual will show how to create and program an Anti Sweat application Note Navigation instructions in this section are pro vided for both Einstein and E2 controller families Follow the instructions in the Einstein column for Einstein RX and B
20. pe immediately following the data range 99 99 15 5 4 2 4 2 1 Programming the BEC Input Definitions BEC INPUT DEFINITIONS Bd 00 TMP 1 TMP 00 TMP 00 TMP 3 00 From the Main Menu press 7 1 to access the Input Definitions screen Define 16AI or 8IO board and point addresses for the anti sweat humidity and temperature sensors Use the down arrow keys to locate the following inputs ASC HUMI ASC TEMP 1 ASC HUM2 ASC TEMP 2 and the anti sweat override inputs ASC 1 OVRD ASC 8 OVRD Refer to P N 026 1103 Building Environmental Control I amp O Manual Section 6 10 1 Input Definition for more information BEC and RMCC Page Layout 4 2 2 Output Definitions BEC OUTPUT DEFINITIONS 12 00 Output Bd Pt Output Bd Pt SEN CTL 01 00 DO SEN CTL 02 00 00 SEN CTL 03 00 00 SEN CTL 04 00 OO SEN CTL 05 00 00 SEN CTL 06 00 00 SEN CTL 07 DO 00 SEN CTL 08 00 00 T PREV J NEXT From the Main Menu press 7 2 to access the Out put Definitions screen Define 8RO and or 8DO board and point addresses for the anti sweat heater zones Use the down arrow keys to lo cate the following outputs ANTI SWT 1 ANTI SWT 8 Refer to P N 026 1103 Building Environmental Con trol I amp O Manual Section 6 10 2 Output Defini
21. r circuits in a single zone while the BEC allows PMAC II controlled heater circuits to be operated in two separate zones Two zone control allows heaters in higher humidity zones such as door cases near prep rooms to be controlled separately from other case heaters An E2 RX or BX can be configured with up to eight zones 1 1 Features Full Solid State Control e Quiet Operation Easily added to existing systems e Remote communications through the BEC RMCC Einstein RX BX or E2 controllers Controlled by the store environment humidity and temperature Centrally located panel Easy installation Features CPC Fe L COMPUTER PR Pulse Modulating MAC Figure 1 1 PMAC II Detail Overview 3 2 Installation WARNING For proper cooling the door A must be closed at times when unit is in opera m l tion This section of the manual covers wiring and installa tion for the PMAC II panels 2 Provide 120 VAC 15 amp circuit to the PMAC II panel through a store circuit break 2 1 Location and Wiri ng er See the layout design in Figure 2 3 3 Provide power to the case heaters from the store circuit breaker panel through the PMAC II panel terminal strip using 10 12 AWG wire as shown in Figure 2 4 The following steps provide location and wiring in structions for the PMAC II panel Figure 2 3 shows this typical layout Figure 2 5 shows the PMAC Il internal wir ing connections CPC C
22. tain abnormal sys tem conditions occur 3 1 1 Connecting the Alarm Contacts to an Input Board You may wish to connect the digital ALARM output from the PMAC II panel to a digital input on a CPC 16AI or other input device so that the status of the PMAC II can be monitored by the central site controller Refer to your site controller s user manual for information on how to do this Set up the ALARM output as a standard digital sensor that is OPEN during alarm conditions and CLOSED when the system is functioning normally If the ALARM contacts are connected to a point on a 16Al or other input board you may configure the controller to generate an alarm or perform some other control func tion to respond to this alarm condition Refer to the control ler s user manual for information on how to do this 3 2 Panel Overheat Alarming All Models The PMAC II has a feature that prevents equipment damage as a result of overheating When the temperature inside the panel rises above the warning level 165 F the normally closed alarm contact will open If the temperature continues to rise and exceeds 180 F the anti sweat chan nels will be shut down 3 2 1 Overheat Warning The warning level for the PMAC II panel is 165 F If a panel interior temperature above 165 F is reached during operation a sensor located on one of the upper heat sinks will open In a standard PMAC II panel this will cause the ALARM contacts on the term
23. tion for more information 4 2 3 Dewpoint Humidity Offsets DEWPOINT HUMIDITY OFFSETS 12 00 Circuit 1 Dewpoint Offset DOO F Humidity Offset 000 Circuit 2 Dewpoint Offset 000 F Humidity Offset 000 T PREV lt gt SET O MENU From the Main Menu press 3 2 1 to access the Dewpoint Humidity Offsets screen If the dewpoint cell or relative humidity sensor is known to read high or low offsets may be specified in the Dewpoint Offset and Humidity Offset fields to correctly calibrate the sensors Users may enter a value from 20 to 20 or from 20 to 20 4 2 4 Outputs Setup TI SWEAT OUTPUTS SETUP 010sec use lt 240 1 Circuit OFF Interval From the Main Menu press 3 2 2 to access the Anti Sweat Outputs Setup screen Setup data such as heater interval times names and board and circuit assignments are entered in the Anti Sweat Outputs Setup screen ON OFF Interval 1 999 sec 10 sec All anti sweat circuits pulse heaters ON for a percent age of a defined time interval This interval is entered in the ON OFF Interval field If an 8DO board 1s being used the value should be less than 240 seconds Configuring RMCC BEC Einstein and E2 9 Name 15 characters max In the field to the right of the anti sweat zone number a name may be entered Circuit 1 2 0 There are two separate
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