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Raychem-AR-H58692-ACS30UIT2Programming-EN-1805

CLASS 2

LOAD

N.C.

N.O.

CONNECTIONS

EQUIPMENT

GROUND

SUPPLY

HOLD-ON TIME (HRS)

SUPPLY

EMC

TEMP

LIMIT

HEAT

SNOW

GFEP

ST AR T

STOP

HEA TER

CYCLE

HIGH TEMPERATURE LIMIT

Red

Black

White

To snow

sensors

470 K Resistor

5% 1/4 W

15 14

11 10

3 2 1

4
3
2
1

RTD Input
1 of 5 Inputs

CRM PCB located in ACS panel
Reference Figure 5.6 when connecting an external device
to a C910-485 controller

Jumper

Fig. 5.7 Connecting the APS-3C

Summary of Contents for RAYCHEM ACS-30

Page 1: ...nVent com 1 Raychem AR H58692 ACS30UIT2Programming EN 1805 PROGRAMMING GUIDE ACS 30 System...

Page 2: ...nVent com 2 Raychem AR H58692 ACS30UIT2Programming EN 1805...

Page 3: ...EADER 14 1 10 2 MAIN MENU WINDOW 14 2 Section 2 System Configuration 17 2 1 Initializing the System 17 2 1 1 SETTING UP GENERAL SYSTEM PARAMETERS 18 2 1 2 SETTING TIME AND DATE 19 2 1 3 SCANNING THE N...

Page 4: ...ROL 98 3 8 2 TEMP CONTROL AMBIENT TEMPERATURE CONTROL 102 3 8 3 TEMP CONTROL BRACKETED AMBIENT TEMPERATURE CONTROL 105 3 8 4 TEMP CONTROL SURFACE TEMPERATURE CONTROL 109 3 9 Snow Melting Mode 113 3 9...

Page 5: ...5 C910 485 RMM2Remote monitoringmodule ACS PCM2 5 ACS PCM2 5 ALAR M C910 SERIE S SHIFT TEST BACK ENTER STATU S ALARM OUTPU T MONIT OR CONFIG PROGR AMMAB LE SINGLE POINT HEAT T RACIN G CONTR OLLER Fig...

Page 6: ...he heating cable circuits are located The control panels controllers should be located adjacent to circuit breaker panels and are connected in series to the ACS UIT2 with RS 485 cable 1 1 6 COMMUNICAT...

Page 7: ...not sold to you for use only under the terms of this Agreement and nVent reserves any rights not exactly granted to you Subject to the terms and conditions of this Agreement nVent grants to you a non...

Page 8: ...E RESULTS AND PERFORMANCE OF THE SOFTWARE IS ASSUMED BY YOU IN NO EVENT SHALL NVENT ITS AFFILIATES DIRECTORS OFFICERS SHAREHOLDERS EMPLOYEES OR OTHER REPRE SENTATIVES BE LIABLE FOR DAMAGES OF ANY KIND...

Page 9: ...s applicable This provision applies to the ACS 30 Software acquired directly or indirectly by or on behalf of any government The ACS 30 Software is a commercial product licensed on the open market at...

Page 10: ...ocal representative or contact nVent directly 1 6 TECHNICAL SUPPORT For technical support contact your local representative or contact nVent directly NVENT THERMAL MANAGEMENT Tel 800 545 6258 Tel 650...

Page 11: ...nsing Constant temp Variable schedule Maintain Economy Off Circuit override through RTD or external device Greasy Waste Disposal and Temperature Maintenance XL Trace Line sensing Constant temp Variabl...

Page 12: ...elay 5 Local RTD Fig 1 2 Simple control circuit Heating control circuits can also be connected to the dry contact output of BMS systems external monitoring devices or moisture sensing controllers for...

Page 13: ...s may be used for control or monitoring of a heating circuit 1 LC GF Output Relay 1 Local A RTD 2 LC GF Output Relay 2 Local RTD 3 LC GF Output Relay 3 Local RTD 4 LC GF Output Relay 4 Local RTD 5 LC...

Page 14: ...displays the following data from left to right A ID tag Hot water line 1 B ACS PCM2 5 address 01 C Relay output number 1 D Application control mode HWAT Fig 1 7 Navigational header 1 10 2 MAIN MENU W...

Page 15: ...a floor heating application Pipe freeze Circuit has been set up for a pipe freeze protection application Fuel Oil Circuit has been set up for a fuel oil flow maintenance application Greasy waste TM C...

Page 16: ...ts on the Main window and on the Events Alarms on the Events window When in the Main or Events windows tap on anywhere on a row for a circuit to see the Status window for that circuit Fig 1 9 Main win...

Page 17: ...ogress Fig 2 1 Initial ACS software loading display window When the ACS UIT2 is powered on for the first time date and units will not been assigned In addition the ACS UIT2 has not yet scanned the net...

Page 18: ...must be touched to show the circuit s alarm status IMPORTANT Using the screen saver enhances the lifetime of the screen Range 1 300 minutes Default 20 minutes Main Menu Timer Sets the number of minut...

Page 19: ...ACS UIT2 is connected to the external ACS PCM2 5 modular power control panels C910 485 controllers and any RMMs via the RS 485 network and all circuits have been installed and commissioning tests comp...

Page 20: ...ACS PCM2 5 Installation Instructions H58238 C910 485 Installation Instructions H58415 and RMM2 Installation Instructions H56848 for more information To set the modbus address for a C910 485 controller...

Page 21: ...1 99 RMM2 RTD 0 9 32 41 RMM2 RTD A F 42 47 2 1 4 MAIN WINDOW After the first system scan has been completed tap the Main menu button and the main window appears Fig 2 8 Main window with one CRM board...

Page 22: ...the ACS 30 program By default each of the five relays are numbered as the CRM number and relay number e g 1 1 1 2 1 3 1 4 and 1 5 The CRM number and relay number are a primary reference for all window...

Page 23: ...overriding the control mode but generates alarms and enables high temperature cut out Force Off The ACS UIT2 has turned the circuit off but generates low temperature and system alarms 2 2 2 ASSIGNING...

Page 24: ...flow maintenance with line control XL Trace 3 6 2 85 Fuel oil flow maintenance with PASC2 control XL Trace 3 6 3 90 Greasy Waste TM Greasy waste and other temperature maintenance control Variable tem...

Page 25: ...utton is tapped again Fig 2 12 Start Stop test Copy Circuit The Copy Circuit button allows you to assign other available circuit number circuit with identical control parameters Select the circuit con...

Page 26: ...als for this circuit then all four lines can be used to assign RTDs from elsewhere in the system However in the event of a communications or UIT failure no RTD input is available and the relay output...

Page 27: ...16 Ambient Control or Line Monitor HWAT Mode No RTDs are required or can be used for control However RTDs can be assigned for line monitoring with temperature alarms External Device Control A controll...

Page 28: ...WAT Timed duty cycle X Freezer Frost Heave Line slab sensor X X Floor Heating Line slab sensing X X Ext Pipe Freeze Protection Line sensing X X Ext Ambient or PASC1 X X Ext Fuel Oil Flow Maintenance L...

Page 29: ...ircuit from ACS CRM boards or RMM2 modules To assign the additional RTDs to a circuit enter the device address and RTD number as listed under your Network Device window Fig 2 18 Assigning additional R...

Page 30: ...10 485 measures the applied voltage so this field is not required for energy usage calculations Fig 2 21 Setup Voltage window Tapping the Voltage Field opens a voltage selection screen with choices of...

Page 31: ...en not in demand to ensure the circuit RTD or communications have not been damaged and will be working when needed The user can select the time of day the test will be conducted Note If the circuit is...

Page 32: ...fic circuit ID Displays the ID tag defined in Setup Circuit window Mode Displays the Control Mode selected in Setup Circuit window Alarm Reset In normal state the Alarm Reset button is grayed out If a...

Page 33: ...ate Black Circuit is off Green Within normal range of setup parameters Red In alarm condition Orange Temperature is not within setpoint plus deadband range Blinking Red Orange A latching alarm event h...

Page 34: ...ontrols Control Temp Max The highest temperature reported by any line RTD associated with the circuit since the last reset time Min The lowest temperature of any line RTD associated with the circuit s...

Page 35: ...e in order store or statistically analyze the data See Appendix 5 6 for more information Different views are available and selectable by a dedicate menu Fig 2 29 Status Energy window window View selec...

Page 36: ...Fig 2 31 Status Energy window Day selection Hourly view The daily view plots the energy consumption over the selected month year with a time interval of one day Fig 2 32 Status Energy window Daily vi...

Page 37: ...y view The monthly view plots the energy consumption over the selected year with a time interval of one month Fig 2 35 Status Energy window Monthly view Fig 2 36 Status Energy window Year selection Mo...

Page 38: ...st and next power cycle is displayed The power cycle test energizes the heating cable selected for 2 minutes to verify it is in working order Fig 2 38 Status Maint window The Status Maint window provi...

Page 39: ...cending or descending order Events Press for Alarms By taping the Events heading the Events display filters events or alarms by type Time and Circuit column headings can then be used to further sort t...

Page 40: ...nd Fault OK Ground fault returned to acceptable range Ground Fault Trip Heating cable s ground fault current has exceeded Ground Fault Trip limit for circuit and has disabled the contactor or SSR Grou...

Page 41: ...rm condition which requires reset in the Status Circuit window 2 9 NETWORK RELAYS WINDOW The Network Relays window lists all the available output devices and relay numbers Fig 2 40 Network Relays wind...

Page 42: ...he RS 485 network Fig 2 42 Network Maint window 2 12 NETWORK REMOVE WINDOW The Network Remove window is Level 2 password protected Once accessed it allows you to remove device addresses for ACS PCM2 5...

Page 43: ...The ACS UIT2 can be connected to a Building Management System BMS or host computer using an RS 485 RS 232 or 10 100Base T Ethernet connection All data and setup options are accessed with communicatio...

Page 44: ...al communication port Selection 2400 4800 9600 19200 38400 57600 Default 9600 Serial Port Mode This activates a window which allows selection of RS 232 or RS 485 ports This selects the serial communic...

Page 45: ...ue determines how long the password remains active before it has to be re entered The password is limited to 40 characters Default Level 1 disabled New Password Enter the user defined password Save Ne...

Page 46: ...te By clearing the event all the events and alarms history information for all circuits is lost If the program exit is chosen heating cables are no longer monitored Exit ACS UIT2 Allows user to exit A...

Page 47: ...M Enter Maintain Deadband Fail safe Constant F H Heating cable Y2 or R2 Voltage 208 240 277 Ambient 60 F to 90 F Pipe material Metal plastic Maintain and Economy temp RTD and external device override...

Page 48: ...ou for information necessary to maintain the hot water piping system at the desired temperature 3 2 1 ENTER SYSTEM INFORMATION Select Cable Type Select the heating cable type being used with this circ...

Page 49: ...ffects the power output of the HWAT self regulating heating cables Enter the pipe material Fig 3 5 Select pipe type Select Setpoint Mode Select the setpoint Constant or Variable Constant will allow a...

Page 50: ...mode Enter Temperature Setpoints Enter the temperature setpoints that you want to maintain the hot water pipe Minimum setpoint temperature 100 F Maximum setpoint temperatures are dependant upon the a...

Page 51: ...the HWAT design wizard the Setup HWAT window appears where you can adjust the input variables established in the design wizard and enter access additional menu windows Fig 3 8 Setup HWAT window Econo...

Page 52: ...ee Appendix 5 2 24 7 Scheduler on page 127 for more information Power Factor The factor is used to decrease or increase the final pipe temperature Increasing this value above 100 will result in a long...

Page 53: ...arm Range 40 F 4 C to Maintain temperature Default 40 F 4 C TEMPERATURE ALARM FILTER This minimizes nuisance alarms by forcing the ACS UIT2 to verify that the alarm condition continually exists over t...

Page 54: ...ion normally without the high temperature cut out feature Options Enable or Disable Default Enable Assigning Ground Fault Alarm and Trip Levels The Setup G F window allows you to set the alarm and tri...

Page 55: ...perature the output is turned on Range 1 F 1 C 10 F 6 C Default 5 F 3 C FAIL SAFE The Fail Safe control button turns the power on or off to the heating cable if the circuit loses all valid RTDs When t...

Page 56: ...to the circuit the alarm button appears then high and low temperature alarms may be set Fig 3 14 Setup Alarms window Frost Heave HIGH LINE TEMP ALARM If any RTDs assigned to a circuit measures a temp...

Page 57: ...and the relay output is turned off If the high line temperature drops below this threshold minus the deadband the output is turned on and normal duty cycle control is resumed Range High Temperature A...

Page 58: ...CIRCUIT VOLTAGE Voltage 120 208 240 or 277 V Standard ACS PCM2 5 panels Since the C910 485 measures line voltage this field does not appear Default 208 V ASSIGNING POWER CYCLE TEST The Setup Maint win...

Page 59: ...maintain the system at the desired setpoint Range 60 F 16 C 110 F 43 C Default 83 F 28 C Economy Temperature optional This value represents the temperature that you want the pipe to maintain when in e...

Page 60: ...C Default 55 F 13 C External Override The dry contacts from a BMS system or external device may be assigned to the circuit to de energize the circuit to save power when it is not needed All temperatu...

Page 61: ...onnected to the circuit for this control mode to function or an RTD failure alarm will be announced Temperature Alarm Filter This minimizes nuisance alarms by forcing the ACS UIT2 to verify that the a...

Page 62: ...window allows you to set the alarm and trip levels WARNING Shock Hazard National electrical codes require 5 mA Class A ground fault protection devices to be installed when electric floor heating is us...

Page 63: ...LE TEST The Setup Maint window allows you to enable the Power Cycle test start time and frequency After the start time and frequency are entered the time of the next test will be displayed on this scr...

Page 64: ...Ambient Control window The Temp Control window allows you to select the temperature control mode to Ambient Control Line Control or PASC This option depends on where the controlling RTD inputs are sit...

Page 65: ...he events When the sensor for control is returned to service the ACS 30 controller signals the alarm has been cleared returns the circuit to its normal control mode and records both of these events Ra...

Page 66: ...over the selected period of time before alarming Range 0 999 minutes Default 15 minutes Note Setting the Alarm Filter to 0 minutes is mainly for testing and demonstration purposes Choosing this optio...

Page 67: ...rip Ground Fault Alarm When the ground fault current exceeds this level the ACS UIT2 goes in alarm Range 10 200 mA Default 20 mA Ground Fault Trip WHEN THE GROUND FAULT CURRENT EXCEEDS THIS LEVEL THE...

Page 68: ...next test will be displayed on this screen Note If the circuit is disabled forced on or forced off the power cycle test will be disabled until the circuit is enabled Fig 3 30 Setup Maint window Pipe F...

Page 69: ...ambient or directly on the pipe itself line Tap Line Fig 3 32 Setup Pipe Freeze Line Control window Setpoint Temperature The setpoint temperature is the desired maintain temperature for the water pipe...

Page 70: ...its normal control mode and records both of these events Range Power On or Power Off Default Power On External Override The dry contacts from a BMS system or external device may be assigned to the ci...

Page 71: ...ore alarming Range 0 999 minutes Default 15 minutes Note Setting the Alarm Filter to 0 minutes is mainly for testing and demonstration purposes Choosing this option for normal use may cause nuisance a...

Page 72: ...UIT2 goes in alarm Range 10 200 mA Default 20 mA Ground Fault Trip When the ground fault current exceeds this level the ACS PCM2 5 turns off the circuit relay Range 10 200 mA Default 30 mA Assigning...

Page 73: ...will be disabled until the circuit is enabled Fig 3 37 Setup Maint Pipe Freeze Line Control Input the start time and frequency for the Power Cycle test Power Cycle Start Time THE TIME OF DAY TO START...

Page 74: ...heater should be on or off to maintain a near constant pipe temperature Maintain Temperature Setpoint Fixed design setpoint 40 F 4 C Minimum Ambient ENTER THE MINIMUM AMBIENT TEMPERATURE FOR YOUR INST...

Page 75: ...he fail safe state Records the events When the sensor for control is returned to service the ACS 30 controller signals the alarm has been cleared returns the circuit to its normal control mode and rec...

Page 76: ...exists over the selected period of time before alarming Range 0 999 minutes Default 15 minutes Note Setting the Alarm Filter to 0 minutes is mainly for testing and demonstration purposes Choosing thi...

Page 77: ...und Fault Trip Ground Fault Alarm WHEN THE GROUND FAULT CURRENT EXCEEDS THIS LEVEL THE ACS UIT2 GOES IN ALARM Range 10 200 mA Default 20 mA Ground Fault Trip WHEN THE GROUND FAULT CURRENT EXCEEDS THIS...

Page 78: ...ext test will be displayed on this screen Note If the circuit is disabled forced on or forced off the power cycle test will be disabled until the circuit is enabled Fig 3 44 Setup Maint window Pipe Fr...

Page 79: ...ng RTD inputs are situated and utilized either measuring the temperature of the environment surrounding the pipe ambient or directly on the pipe itself line Tap Ambient Fig 3 46 Setup Fuel Oil Ambient...

Page 80: ...Range Power On or Power Off Default Power On External Override The dry contacts from a BMS system or external device may be assigned to the circuit to de energize the circuit to save power when it is...

Page 81: ...alarm condition continually exists over the selected period of time before alarming Range 0 999 minutes Default 15 minutes Note Setting the Alarm Filter to 0 minutes is mainly for testing and demonstr...

Page 82: ...ult Alarm and Ground Fault Trip Ground Fault Alarm When the ground fault current exceeds this level the ACS UIT2 goes in alarm Range 10 200 mA Default 20 mA Ground Fault Alarm When the ground fault cu...

Page 83: ...Note If the circuit is disabled forced on or forced off the power cycle test will be disabled until the circuit is enabled Fig 3 51 Setup Maint window Fuel Oil Ambient Control Input the start time and...

Page 84: ...is below the setpoint temperature the output is turned on Range 1 F 1 C 10 F 6 C Default 5 F 3 C Fail Safe The Fail Safe control button turns the power on or off to the heating cable if the circuit l...

Page 85: ...rther details Fig 3 54 Setup RTDs window Fuel Oil Line Control Assigning Temperature Alarms Once RTDs have been assigned to the circuit high and low temperature alarms may be set Tap the Alarms button...

Page 86: ...d on and normal duty cycle control is resumed Range 110 F 43 C 200 F 93 C Default 200 F 93 C High Line Temp Cut Out Enable Disable Enables or disables the high line temp cut out capability When enable...

Page 87: ...Test The Setup Maint window allows you to enable the Power Cycle test start time and frequency After the start time and frequency are entered the time of the next test will be displayed on this screen...

Page 88: ...Control window PASC Proportional Ambient Sensing Control PASC takes advantage of the fact that the heat loss from a pipe is proportional to the temperature difference between the pipe and the ambient...

Page 89: ...g effective power by entering a value less or greater than 100 Range 10 200 Default 100 IMPORTANT If improperly used the Power Adjust parameter can cause the piping to get too cold or too hot If unsur...

Page 90: ...be assigned to override the system Refer to Appendix Section 5 3 page 130 for further details Fig 3 61 Setup RTDs window Fuel Oil PASC Control Temperature Alarms Once RTDs have been assigned to the c...

Page 91: ...es an alarm and the relay output is turned off If the high line temperature drops below this threshold minus the deadband the output is turned on and normal duty cycle control is resumed Range 110 F 4...

Page 92: ...put the Circuit Voltage Voltage 120 208 240 or 277 V Standard ACS PCM2 5 panels Since the C910 485 measures voltage this tab will not appear Default 208 V Assigning Power Cycle Test The Setup Maint wi...

Page 93: ...F Note Greasy waste mode is also used for XL Trace applications where line control above 40 F is required Fig 3 66 Setup Greasy Waste TM window Temperature Setpoint The pipe temperature setpoint is th...

Page 94: ...Changes the control status display to indicate that control of the circuit is in the fail safe state Records the events When the sensor for control is returned to service the ACS 30 controller signal...

Page 95: ...cted period of time before alarming Range 0 999 minutes Default 15 minutes Note Setting the Alarm Filter to 0 minutes is mainly for testing and demonstration purposes Choosing this option for normal u...

Page 96: ...Alarm and Ground Fault Trip Ground Fault Alarm When the ground fault current exceeds this level the ACS UIT2 goes in alarm Range 10 200 mA Default 20 mA Ground Fault Trip When the ground fault curren...

Page 97: ...f the next test will be displayed on this screen Note If the circuit is disabled forced on or forced off the power cycle test will be disabled until the circuit is enabled Fig 3 71 Setup Maint window...

Page 98: ...s on a snow controller Refer to Appendix 5 3 Connecting External Control Devices on page 130 for connection details Tap External Device Fig 3 73 Setup Roof and Gutter External Device Control window Co...

Page 99: ...ameters are set tap Setup RTDs window to assign RTDs to the circuit When in external device control mode you have the option of setting up to four inputs through any RTD inputs in your system You must...

Page 100: ...and Ground Fault Trip Ground Fault Alarm When the ground fault current exceeds this level the ACS UIT2 goes in alarm Range 10 200 mA Default 20 mA Ground Fault Trip When the ground fault current exce...

Page 101: ...next test will be displayed on this screen Note If the circuit is disabled forced on or forced off the power cycle test will be disabled until the circuit is enabled Fig 3 77 Setup Maint Window Roof...

Page 102: ...emperature setpoint for ambient control Range 30 F 1 C 50 F 10 C Default 35 F 2 C Deadband If the measured temperature is above the ambient or high temperature override setpoint temperature plus deadb...

Page 103: ...to indicate that control of the circuit is in the fail safe state Records the events When the sensor for control is returned to service the ACS 30 controller signals the alarm has been cleared return...

Page 104: ...and Ground Fault Trip Ground Fault Alarm When the ground fault current exceeds this level the ACS UIT2 goes in alarm Range 10 200 mA Default 20 mA Ground Fault Trip When the ground fault current exce...

Page 105: ...is screen Note If the circuit is disabled forced on or forced off the power cycle test will be disabled until the circuit is enabled Fig 3 83 Setup Maint Window Roof Gutter Ambient Temp Control Power...

Page 106: ...2 C Deadband If the measured temperature is above the ambient or high temperature override setpoint temperature plus deadband the relay output is turned off If the control temperature is below the se...

Page 107: ...the ACS 30 controller signals the alarm has been cleared returns the circuit to its normal control mode and records both of these events Range Power On or Power Off Default Power On ASSIGNING RTDS Af...

Page 108: ...and Ground Fault Trip Ground Fault Alarm When the ground fault current exceeds this level the ACS UIT2 goes in alarm Range 10 200 mA Default 20 mA Ground Fault Trip When the ground fault current exce...

Page 109: ...ed on this screen Note If the circuit is disabled forced on or forced off the power cycle test will be disabled until the circuit is enabled Fig 3 89 Setup Maint Window Roof Gutter Bracketed Ambient T...

Page 110: ...efault 55 F 13 C Override Manual This feature provides an additional override capability for the circuit Range 0 10 hours Default 0 hours Hrs On or off Power Off Delay Continue to power the circuit wh...

Page 111: ...on on the RTD window refer to section 2 2 3 Assigning and Sharing RTD Control and Monitoring on page 30 ASSIGNING GROUND FAULT ALARM AND TRIP LEVEL The G F window allows you to set the alarm and trip...

Page 112: ...s Since the C910 485 measures voltage this tab will not appear Default 208 V Assigning Power Cycle Test The Setup Maint window allows you to enable the Power Cycle test start time and frequency Once t...

Page 113: ...NG MODE The Snow Melting control mode prompts you to enter the control parameters for a Surface Snow Melting application In this mode you will be given three different control method options External...

Page 114: ...erride capability for the circuit Range 0 10 hours Default 0 hours Hrs On or off Power Off Delay Continue to power the circuit when the external control devices contacts open Range 0 10 hours Default...

Page 115: ...and Ground Fault Trip Ground Fault Alarm When the ground fault current exceeds this level the ACS UIT2 goes in alarm Range 10 200 mA Default 20 mA Ground Fault Trip When the ground fault current exce...

Page 116: ...xt test will be displayed on this screen Note If the circuit is disabled forced on or forced off the power cycle test will be disabled until the circuit is enabled Fig 3 101 Setup Voltage Window Snow...

Page 117: ...erature Tap Ambient Temp Fig 3 103 Setup Snow Melting Ambient Temp Control Window Setpoint Enter the temperature setpoint for ambient control Range 30 F 1 C 50 F 10 C Default 35 F 2 C Deadband If the...

Page 118: ...or Changes control of the circuit to the fail safe control selected Changes the control status display to indicate that control of the circuit is in the fail safe state Records the events When the sen...

Page 119: ...and Ground Fault Trip Ground Fault Alarm When the ground fault current exceeds this level the ACS UIT2 goes in alarm Range 10 200 mA Default 20 mA Ground Fault Trip When the ground fault current exce...

Page 120: ...next test will be displayed on this screen Note If the circuit is disabled forced on or forced off the power cycle test will be disabled until the circuit is enabled Fig 3 107 Setup Maint Window Snow...

Page 121: ...ow Setpoint Enter the setpoint temperature for surface temperature control Range 30 F 1 C 50 F 10 C Default 40 F 4 C Deadband If the measured temperature is above the setpoint temperature plus deadban...

Page 122: ...ircuit to the fail safe control selected Changes the control status display to indicate that control of the circuit is in the fail safe state Records the events When the sensor for control is returned...

Page 123: ...ound Fault Alarm When the ground fault current exceeds this level the ACS UIT2 goes into alarm Range 10 200 mA Default 20 mA Ground Fault Trip When the ground fault current exceeds this level the ACS...

Page 124: ...t test will be displayed on this screen Note If the circuit is disabled forced on or forced off the power cycle test will be disabled until the circuit is enabled Fig 3 113 Setup Maint Window Snow Mel...

Page 125: ...1 ASSIGNING A TEMP MONITOR CIRCUIT 4 1 1 SELECTING THE TEMPERATURE MONITORING CIRCUIT The Monitor Only circuits are labeled TM A through TM E and can be accessed from the main screen or from the set...

Page 126: ...ging style keypad Fig 4 3 Temperature Monitor Circuit Identification keypad ASSIGNING RTDS Once the Temperature Monitoring circuit has been selected and identified tap Setup RTD tab to assign RTDs fro...

Page 127: ...ow Temp 400 F 204 C Default 200 F 88 C Low Temp Alarm If any RTD assigned to the temperature monitor circuit measures a temperature below this threshold the ACS UIT2 generates an alarm Range 99 F 40 C...

Page 128: ...ithm that uses the measured ambient temperature desired maintain temperature minimum ambient temperature assumption used during design and size of the smallest pipe diameter to calculate how long the...

Page 129: ...nts a half hour in time On the Y Axis each mode is labeled Each mode is represented by both the height of the bar and the color of the bar The mode colors are described below Scheduler Dropdown Boxes...

Page 130: ...30 minute intervals per a 7 day week where each day can be unique Circuits can be set to one of four modes at any given 30 minute interval Off The circuit is completely turned off Economy The circuit...

Page 131: ...Place a check mark next to each day that you the schedule to be copied to Press OK to finish PRESETS When using the scheduler for an HWAT circuit the presets option will appear on the main window Tap...

Page 132: ...xternal device input terminals of the C910 485 controller to provide auxiliary override to the temperature input The Roof Gutter De icing and Surface Snow Melting control modes include an External Dev...

Page 133: ...nalDeviceorSnow Controller DryContact Ground Jumper No 4 3 2 1 ACS PCM2 5 Chassis Ground ACS 30 C910 485 ACS CRM Board RTD Input 6 4 3 C910 485 Controller 12VDC EXTERNALDRYCONTACT COMMON 7 CLOSETOACTI...

Page 134: ...TIME HRS SUPPLY EMC TEMP LIMIT HEAT SNOW GFEP ST AR T STOP HEA TER CYCLE HIGH TEMPERATURE LIMIT 40 90 50 60 70 80 Red Black White To snow sensors 470 K Resistor 5 1 4 W 15 14 11 10 3 2 1 4 3 2 1 RTDIn...

Page 135: ...This resistor simulates the RTD input required for the APS 3C which is now supplied by the ACS 30 2 Connect 2 wire grounded shielded cable from terminals 20 and 21 normally open position to the RTD in...

Page 136: ...external relay such as the Panasonic Model AHN110X1 or equivalent to the yellow active power leads from the GIT 3A 2 Connect 2 wire grounded shielded cable from normally open output terminals of the e...

Page 137: ...temperature detectors RTD Number The number of the RTD determined by the physical point of connection to a networked device Set Pt Setpoint the desired maintain temperature Status Relay heater on off...

Page 138: ...any Windows PC The program allows for easy remote configuration of an ACS UIT2 without the limitations of the UIT s display size and its limited modes of data entry Fig 5 13 ACS 30 Program Integrator...

Page 139: ...nVent com 139 Raychem AR H58692 ACS30UIT2Programming EN 1805 Fig 5 14 ACS 30 Program Integrator Printout...

Page 140: ...Setup Circuit Current Status Circuit Status Min Max Date System Clock Deadband or DB Setup Frost Heave Setup Floor Heating Setup Pipe Freeze Setup Fuel Oil Setup Greasy Waste Setup Roof and Gutter Set...

Page 141: ...anual Override Setup Roof and Gutter Min Ambient Temp Setup Pipe Freeze Min Pipe Size Setup Pipe Freeze Setup Fuel Oil Modbus Address System Comm Mode Main Setup Circuit Status Circuit Status RTDs Mod...

Page 142: ...ing Setpoint Mode Setup HWAT Setup Floor Heating Setup Greasy Waste Slab Temp Setpoint Setup Frost Heave Snow Melting Mode Mode Select Stagger Start System Misc Start Test Setup Circuit State Network...

Page 143: ...etup Grease TM Waste Setup HWAT Setup Maint Setup Mode Select Setup Pipe Freeze Setup Roof and Gutter Setup RTDs Setup Snow Melting Setup Voltage Status Circuit Status Energy Status Maint Status Min M...

Page 144: ...nVent com 144 Raychem AR H58692 ACS30UIT2Programming EN 1805...

Page 145: ...H58692 ACS30UIT2Programming EN 1805 145 Our powerful portfolio of brands CADDY ERICO HOFFMAN RAYCHEM SCHROFF TRACER nVent com North America Tel 1 800 545 6258 Fax 1 800 527 5703 thermal info nvent co...

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